Wstęp do programowania

Wykład 10 ­ Moduły z biblioteki standardowej

Janusz Szwabiński

Plan wykładu:

Jeszcze o module osModuł subprocess ­ inny sposób na uruchamianie programówModuł sys ­ funkcje i parametry specyficzne dla systemu operacyjnegoWyrażenia regularneOkreślanie daty i czasuLiczby losoweInne przydatne moduły

Jeszcze o module osOprócz poznanej na poprzednim wykładzie funkcjonalności związanej z manipulowaniem plikami ikatalogami, moduł os oferuje do dyspozycji funkcje pozwalające tworzenie procesów i uruchamianie poleceńsystemowych.

In [1]:

import os

Wykonywanie poleceń systemu operacyjnego

In [2]:

print(os.name)

In [3]:

if os.name == "nt": command = "dir"else: command = "ls"

In [4]:

print(command)

posix

ls

In [5]:

os.chdir("/home/szwabin/")

In [6]:

print(os.system(command))

Uwaga! Jako wynik otrzymaliśmy status wyjścia powłoki. To "urok" notatnika IPythona ­ wynik działaniapolecenia command, czyli lista plików w bieżącym katalogu, pojawi się w konsoli, z której uruchomiony zostałnotatnik.

Kolejny przykład do wykorzystanie os.system do powtarzania poleceń:

In [7]:

import time #o tym za chwilędef do(cmd,inc=60,nmax=10): i = 0 while 1: i = i+1 if i>nmax : break os.system(cmd) time.sleep(inc) do("date",10,6)

I znowu, wynik pojawi się tak naprawdę w konsoli, w której uruchomiony został ipython w trybie notatnika. Naekranie zobaczymy coś takiego:

śro, 14 wrz 2016, 13:57:35 CESTśro, 14 wrz 2016, 13:57:45 CESTśro, 14 wrz 2016, 13:57:55 CESTśro, 14 wrz 2016, 13:58:05 CESTśro, 14 wrz 2016, 13:58:15 CESTśro, 14 wrz 2016, 13:58:25 CEST

Wykonywać można również polecenia z argumentami. Rozważmy np. prosty skrypt:

In [9]:

os.chdir("/home/szwabin/Dropbox/Zajecia/WstepDoProgramowania/Wyklady/10_Biblioteka")!cat halo.py

Aby uruchomić go z poziomu innego skryptu, możemy skorzystać z polecenie os.execvp:

0

print("Witaj w świecie Pythona")

In [ ]:

program = "python3"arg = ["halo.py"]os.execvp(program, (program,)+tuple(arg))

Uwaga! Polecenie to zastępuje wywołujący proces, tzn. kontrola przekazywana jest do wywoływanegoprogramu. Spowoduje to zrestartowanie notatnika IPythona:

Podobnie, jeśli wykonamy to polecenie w interpreterze Pythona, kontrola zostanie zwrócona do powłoki:

szwabin@voyager:~/Dropbox/Zajecia/WstepDoProgramowania/10_Biblioteka$ python3Python 3.4.3+ (default, Oct 14 2015, 16:03:50) [GCC 5.2.1 20151010] on linuxType "help", "copyright", "credits" or "license" for more information.>>> import os>>> program = "python3">>> arg = ["halo.py"]>>> os.execvp(program,(program,)+tuple(arg))Witaj w świecie Pythonaszwabin@voyager:~/Dropbox/Zajecia/WstepDoProgramowania/10_Biblioteka$

Jeżeli jest to zachowanie niepożądane, i po wykonaniu skryptu chcemy pozostać w interpreterze, wówczasnależy dodatkowo skorzystać z poleceń fork lub spawn:

In [2]:

import os

def run(program, *args): pid = os.fork() #fork zwraca 0 w nowo tworzonym procesie, oraz jakąś niezerową wartość dla tego już istniejącego if not pid: os.execvp(program, (program,) + args) return os.wait()[0]

In [3]:

run("python3", "halo.py")print("Test działania notatnika")

Test działania notatnika

Tym razem notatnik działa bez restartu, natomiast w konsoli pojawi się oczywiście wynik wywoływanegoprogramu:

Witaj w świecie Pythona

Moduł subprocess ­ inny sposób na uruchamianie programów

In [4]:

import subprocess

Jeżeli nie zależy nam na interakcji z zewnętrznym programem, korzystamy z funkcji call() (wynik pojawisię w konsoli, w której uruchomiony został IPython):

In [5]:

subprocess.call(['ls','-l'],shell=True)

Jeżeli natomiast chcemy przechwycić wynik polecenia, używamy funkcji check_output():

Out[5]:

0

In [6]:

output = subprocess.check_output(['ls','-l'])print("%d bajtów na wyjściu:" % len(output))print(output)

2153 bajtów na wyjściu:b'razem 5532\n-rwxrwxr-x 1 szwabin szwabin 173575 wrz 14 14:04 10_biblioteka.ipynb\n-rw-rw-r-- 1 szwabin szwabin 83390 wrz 5 09:17 6_moduly_i_pliki.ipynb\n-rw-rw-r-- 1 szwabin szwabin 442045 wrz 5 09:17 7_biblioteka.html\n-rw-rw-r-- 1 szwabin szwabin 844247 wrz 5 09:17 7_Biblioteka.pdf\n-rwxrwxr-x 1 szwabin szwabin 148 wrz 5 09:17 argparse_example2.py\n-rwxrwxr-x 1 szwabin szwabin 151 wrz 5 09:17 argparse_example2.py~\n-rwxrwxr-x 1 szwabin szwabin 182 wrz 5 09:17 argparse_example3b.py\n-rwxrwxr-x 1 szwabin szwabin 172 wrz 5 09:17 argparse_example3.py\n-rwxrwxr-x 1 szwabin szwabin 219 wrz 5 09:17 argparse_example4b.py\n-rwxrwxr-x 1 szwabin szwabin 224 wrz 5 09:17 argparse_example4c.py\n-rwxrwxr-x 1 szwabin szwabin 198 wrz 5 09:17 argparse_example4.py\n-rwxrwxr-x 1 szwabin szwabin 198 wrz 5 09:17 argparse_example4.py~\n-rwxrwxr-x 1 szwabin szwabin 71 wrz 5 09:17 argparse_example.py\n-rwxrwxr-x 1 szwabin szwabin 269 wrz 5 09:17 args.py\n-rwxrwxr-x 1 szwabin szwabin 145 wrz 5 09:17 csv_example2.csv\n-rwxrwxr-x 1 szwabin szwabin 187 wrz 5 09:17 csv_example3.csv\n-rwxrwxr-x 1 szwabin szwabin 171 wrz 5 09:17 csv_example.csv\n-rwxrwxr-x 1 szwabin szwabin 754 wrz 5 09:17 getopt_example2.py\n-rwxrwxr-x 1 szwabin szwabin 750 wrz 5 09:17 getopt_example.py\n-rw-rw-r-- 1 szwabin szwabin 3022947 wrz 5 09:17 GreenTeaPress.zip\n-rwxrwxr-x 1 szwabin szwabin 34 wrz 14 14:00 halo.py\n-rwxrwxr-x 1 szwabin szwabin 57 wrz 5 09:17 halo.py~\n-rwxrwxr-x 1 szwabin szwabin 49 wrz 5 09:17 hello.py\n-rwxrwxr-x 1 szwabin szwabin 9109 wrz 5 09:17 kernel_restart.png\n-rwxrwxr-x 1 szwabin szwabin 353 wrz 5 09:17 przyklad2.py\n-rw-rw-r-- 1 szwabin szwabin 705 wrz 5 09:17 przyklad2.pyc\n-rw-rw-r-- 1 szwabin szwabin 6674 wrz 5 09:17 python.zip\n-rwxrwxr-x 1 szwabin szwabin 98 wrz 5 09:17 sys_exit.py\n-rwxrwxr-x 1 szwabin szwabin 445 wrz 5 09:17 sys-setprofiler.py\n-rwxrwxr-x 1 szwabin szwabin 457 wrz 5 09:17 sys-settrace.py\n-rwxrwxr-x 1 szwabin szwabin 374 wrz 5 09:17 time_example.py\n-rw-rw-r-- 1 szwabin szwabin 834686 wrz 5 09:17 tpython.pdf\n'

Możliwe jest tworzenie potoków, podobnie jak w powłoce uniksowej:

In [8]:

cat = subprocess.Popen(['ps','aux'], stdout=subprocess.PIPE)grep = subprocess.Popen(['grep','ssh'],stdin=cat.stdout,stdout=subprocess.PIPE)end_of_pipe = grep.stdout

print("Procesy związane z usługą ssh:")for line in end_of_pipe: print('\t', line.strip())

Moduł sys ­ funkcje i parametry specyficzne dla systemu operacyjnegodostęp do argumentów wywołania skryptumanipulacje ścieżką dostępu do modułówzliczanie referencji do obiektówprofilowanie programów i kontrola ich wykonaniabezpośredni dostęp do standardowego wejścia i wyjścia

Argumenty wywołania skryptu

In [9]:

!cat args.py

In [10]:

!python3 args.py

Procesy związane z usługą ssh: b'root 867 0.0 0.0 69928 6228 ? Ss wrz06 0:02 /usr/sbin/sshd -D' b'szwabin 10653 0.0 0.0 14936 2104 ? S 14:06 0:00 grep ssh'

# plik: args.py# ilustracja działania modułu# sysimport sysprint("Nazwa wywołanego skryptu to", sys.argv[0])

if len(sys.argv) > 1: print("Argumenty wywołania:") for arg in sys.argv[1:]: print(arg)else: print("Brak argumentów")

Nazwa wywołanego skryptu to args.pyBrak argumentów

In [11]:

!python3 args.py 1 2 3 "test"

sys.argv[0] to nazwa wywoływanego skryptu. Ale nie zawsze:

In [12]:

!python3 < args.py

Ścieżki dostępu do modułów

In [13]:

import sysprint(len(sys.path), "katalogów w ścieżce")

In [14]:

print(sys.path)

Ścieżkę można zmodyfikować:

In [15]:

sys.path.insert(0,"/home/szwabin/MyPython")

Nazwa wywołanego skryptu to args.pyArgumenty wywołania:123test

Nazwa wywołanego skryptu to Brak argumentów

17 katalogów w ścieżce

['', '/usr/local/lib/python3.4/dist-packages/pandas-0.18.0-py3.4-linux-x86_64.egg', '/usr/local/lib/python3.4/dist-packages/geograpy-0.3.7-py3.4.egg', '/usr/local/lib/python3.4/dist-packages/pycountry-1.20-py3.4.egg', '/usr/local/lib/python3.4/dist-packages/jellyfish-0.5.3-py3.4-linux-x86_64.egg', '/usr/local/lib/python3.4/dist-packages/newspaper-0.0.9.8-py3.4.egg', '/usr/local/lib/python3.4/dist-packages/nltk-3.2-py3.4.egg', '/usr/local/lib/python3.4/dist-packages/python_dateutil-2.4.0-py3.4.egg', '/usr/local/lib/python3.4/dist-packages/feedfinder2-0.0.1-py3.4.egg', '/usr/local/lib/python3.4/dist-packages/tldextract-1.5.1-py3.4.egg', '/usr/lib/python3.4', '/usr/lib/python3.4/plat-x86_64-linux-gnu', '/usr/lib/python3.4/lib-dynload', '/usr/local/lib/python3.4/dist-packages', '/usr/lib/python3/dist-packages', '/usr/local/lib/python3.4/dist-packages/IPython/extensions', '/home/szwabin/.ipython']

In [16]:

print(sys.path)

In [18]:

import przyklad2 #skrypt przyklad2.py jest w katalogu /home/szwabin/MyPython

Kończenie pracy programu

In [19]:

!cat sys_exit.py

In [20]:

!python3 sys_exit.py

Moduły wbudowane

In [21]:

print(sys.builtin_module_names)

['/home/szwabin/MyPython', '', '/usr/local/lib/python3.4/dist-packages/pandas-0.18.0-py3.4-linux-x86_64.egg', '/usr/local/lib/python3.4/dist-packages/geograpy-0.3.7-py3.4.egg', '/usr/local/lib/python3.4/dist-packages/pycountry-1.20-py3.4.egg', '/usr/local/lib/python3.4/dist-packages/jellyfish-0.5.3-py3.4-linux-x86_64.egg', '/usr/local/lib/python3.4/dist-packages/newspaper-0.0.9.8-py3.4.egg', '/usr/local/lib/python3.4/dist-packages/nltk-3.2-py3.4.egg', '/usr/local/lib/python3.4/dist-packages/python_dateutil-2.4.0-py3.4.egg', '/usr/local/lib/python3.4/dist-packages/feedfinder2-0.0.1-py3.4.egg', '/usr/local/lib/python3.4/dist-packages/tldextract-1.5.1-py3.4.egg', '/usr/lib/python3.4', '/usr/lib/python3.4/plat-x86_64-linux-gnu', '/usr/lib/python3.4/lib-dynload', '/usr/local/lib/python3.4/dist-packages', '/usr/lib/python3/dist-packages', '/usr/local/lib/python3.4/dist-packages/IPython/extensions', '/home/szwabin/.ipython']

#plik: sys_exit.pyimport sysprint("Witaj")sys.exit(1)print("świecie!")

Witaj

('_ast', '_bisect', '_codecs', '_collections', '_datetime', '_elementtree', '_functools', '_heapq', '_imp', '_io', '_locale', '_md5', '_operator', '_pickle', '_posixsubprocess', '_random', '_sha1', '_sha256', '_sha512', '_socket', '_sre', '_stat', '_string', '_struct', '_symtable', '_thread', '_tracemalloc', '_warnings', '_weakref', 'array', 'atexit', 'binascii', 'builtins', 'errno', 'faulthandler', 'fcntl', 'gc', 'grp', 'itertools', 'marshal', 'math', 'posix', 'pwd', 'pyexpat', 'select', 'signal', 'spwd', 'sys', 'syslog', 'time', 'unicodedata', 'xxsubtype', 'zipimport', 'zlib')

Moduły zaimportowane

In [22]:

print(sys.modules)

'_string': <module '_string' (built-in)>, 'concurrent.futures.process': <module 'concurrent.futures.process' from '/usr/lib/python3.4/concurrent/futures/process.py'>, 'IPython.extensions': <module 'IPython.extensions' from '/usr/local/lib/python3.4/dist-packages/IPython/extensions/__init__.py'>, 'IPython.utils.wildcard': <module 'IPython.utils.wildcard' from '/usr/local/lib/python3.4/dist-packages/IPython/utils/wildcard.py'>, 'prompt_toolkit.key_binding.bindings.scroll': <module 'prompt_toolkit.key_binding.bindings.scroll' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/bindings/scroll.py'>, 'prompt_toolkit.selection': <module 'prompt_toolkit.selection' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/selection.py'>, 'IPython.core.magics.logging': <module 'IPython.core.magics.logging' from '/usr/local/lib/python3.4/dist-packages/IPython/core/magics/logging.py'>, 'IPython.lib': <module 'IPython.lib' from '/usr/local/lib/python3.4/dist-packages/IPython/lib/__init__.py'>, 'jupyter_client.channels': <module 'jupyter_client.channels' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/channels.py'>, 'zmq.backend.cython.message': <module 'zmq.backend.cython.message' from '/usr/lib/python3/dist-packages/zmq/backend/cython/message.cpython-34m-x86_64-linux-gnu.so'>, 'ctypes._endian': <module 'ctypes._endian' from '/usr/lib/python3.4/ctypes/_endian.py'>, 'email.feedparser': <module 'email.feedparser' from '/usr/lib/python3.4/email/feedparser.py'>, 'ipykernel.displayhook': <module 'ipykernel.displayhook' from '/usr/local/lib/python3.4/dist-packages/ipykernel/displayhook.py'>, 'IPython.core.magics.basic': <module 'IPython.core.magics.basic' from '/usr/local/lib/python3.4/dist-packages/IPython/core/magics/basic.py'>, 'ipykernel.comm': <module 'ipykernel.comm' from '/usr/local/lib/python3.4/dist-packages/ipykernel/comm/__init__.py'>, 'prompt_toolkit.clipboard.in_memory': <module 'prompt_toolkit.clipboard.in_memory' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/clipboard/in_memory.py'>, 'ipywidgets.widgets.widget_selectioncontainer': <module 'ipywidgets.widgets.widget_selectioncontainer' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_selectioncontainer.py'>, 'shlex': <module 'shlex' from '/usr/lib/python3.4/shlex.py'>, 'token': <module 'token' from '/usr/lib/python3.4/token.py'>, 'prompt_toolkit.styles.defaults': <module 'prompt_toolkit.styles.defaults' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/styles/defaults.py'>, 'IPython.core.splitinput': <module 'IPython.core.splitinput' from '/usr/local/lib/python3.4/dist-packages/IPython/core/splitinput.py'>, 'IPython.utils.coloransi': <module 'IPython.utils.coloransi' from '/usr/local/lib/python3.4/dist-packages/IPython/utils/coloransi.py'>, 'IPython.terminal.magics': <module 'IPython.terminal.magics' from '/usr/local/lib/python3.4/dist-packages/IPython/terminal/magics.py'>, 'IPython.core.display': <module 'IPython.core.display' from '/usr/local/lib/python3.4/dist-packages/IPython/core/display.py'>, 'ipykernel.datapub': <module 'ipykernel.datapub' from '/usr/local/lib/python3.4/dist-packages/ipykernel/datapub.py'>, 'IPython.core.debugger': <module 'IPython.core.debugger' from '/usr/local/lib/python3.4/dist-packages/IPython/core/debugger.py'>, 'sre_constants': <module 'sre_constants' from '/usr/lib/python3.4/sre_constants.py'>, 'IPython.core.magics.execution': <module 'IPython.core.magics.execution' from '/usr/local/lib/python3.4/dist-packages/IPython/core/magics/execution.py'>, 'wcwidth': <module 'wcwidth' from '/usr/local/lib/python3.4/dist-packages/wcwidth/__init__.py'>, 'fnmatch': <module 'fnmatch' from '/usr/lib/python3.4/fnmatch.py'>, 'tornado.speedups': <module 'tornado.speedups' from '/usr/lib/python3/dist-packages/tornado/speedups.cpython-34m-x86_64-linux-gnu.so'>, 'ipywidgets.widgets.domwidget': <module 'ipywidgets.widgets.domwidget' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/domwidget.py'>, 'ipykernel.comm.comm': <module 'ipykernel.comm.comm'

from '/usr/local/lib/python3.4/dist-packages/ipykernel/comm/comm.py'>, 'jupyter_client.launcher': <module 'jupyter_client.launcher' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/launcher.py'>, 'profile': <module 'profile' from '/usr/lib/python3.4/profile.py'>, 'IPython.utils._process_common': <module 'IPython.utils._process_common' from '/usr/local/lib/python3.4/dist-packages/IPython/utils/_process_common.py'>, 'unicodedata': <module 'unicodedata' (built-in)>, 'IPython.core.profiledir': <module 'IPython.core.profiledir' from '/usr/local/lib/python3.4/dist-packages/IPython/core/profiledir.py'>, 'ipython_genutils': <module 'ipython_genutils' from '/usr/local/lib/python3.4/dist-packages/ipython_genutils/__init__.py'>, 'IPython.core.magics.namespace': <module 'IPython.core.magics.namespace' from '/usr/local/lib/python3.4/dist-packages/IPython/core/magics/namespace.py'>, 'runpy': <module 'runpy' from '/usr/lib/python3.4/runpy.py'>, '_collections_abc': <module '_collections_abc' from '/usr/lib/python3.4/_collections_abc.py'>, 'cProfile': <module 'cProfile' from '/usr/lib/python3.4/cProfile.py'>, 'zmq': <module 'zmq' from '/usr/lib/python3/dist-packages/zmq/__init__.py'>, 'getopt': <module 'getopt' from '/usr/lib/python3.4/getopt.py'>, '_thread': <module '_thread' (built-in)>, 'prompt_toolkit.key_binding.bindings.completion': <module 'prompt_toolkit.key_binding.bindings.completion' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/bindings/completion.py'>, 'pkg_resources.extern.pyparsing': <module 'pkg_resources._vendor.pyparsing' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/pyparsing.py'>, 'pygments.token': <module 'pygments.token' from '/usr/local/lib/python3.4/dist-packages/pygments/token.py'>, 'IPython.core.shadowns': <module 'IPython.core.shadowns' from '/usr/local/lib/python3.4/dist-packages/IPython/core/shadowns.py'>, 'prompt_toolkit.key_binding': <module 'prompt_toolkit.key_binding' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/__init__.py'>, '_ast': <module '_ast' (built-in)>, 'prompt_toolkit.layout.utils': <module 'prompt_toolkit.layout.utils' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/layout/utils.py'>, 'IPython.core.hooks': <module 'IPython.core.hooks' from '/usr/local/lib/python3.4/dist-packages/IPython/core/hooks.py'>, 'jupyter_client.session': <module 'jupyter_client.session' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/session.py'>, 'inspect': <module 'inspect' from '/usr/lib/python3.4/inspect.py'>, 'IPython.terminal.interactiveshell': <module 'IPython.terminal.interactiveshell' from '/usr/local/lib/python3.4/dist-packages/IPython/terminal/interactiveshell.py'>, 'pygments.formatters': <module 'pygments.formatters' from '/usr/local/lib/python3.4/dist-packages/pygments/formatters/__init__.py'>, 'IPython.terminal.pt_inputhooks': <module 'IPython.terminal.pt_inputhooks' from '/usr/local/lib/python3.4/dist-packages/IPython/terminal/pt_inputhooks/__init__.py'>, 'jupyter_client.localinterfaces': <module 'jupyter_client.localinterfaces' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/localinterfaces.py'>, 'tornado.platform': <module 'tornado.platform' from '/usr/lib/python3/dist-packages/tornado/platform/__init__.py'>, 'zmq.utils.interop': <module 'zmq.utils.interop' from '/usr/lib/python3/dist-packages/zmq/utils/interop.py'>, 'zmq.backend.cython.utils': <module 'zmq.backend.cython.utils' from '/usr/lib/python3/dist-packages/zmq/backend/cython/utils.cpython-34m-x86_64-linux-gnu.so'>, '_curses': <module '_curses' from '/usr/lib/python3.4/lib-dynload/_curses.cpython-34m-x86_64-linux-gnu.so'>, '_weakrefset': <module '_weakrefset' from '/usr/lib/python3.4/_weakrefset.py'>, '_sysconfigdata': <module '_sysconfigdata' from '/usr/lib/python3.4/_sysconfigdata.py'>, 'traitlets.utils.sentinel': <module 'traitlets.utils.sentinel' from '/usr/local/lib/python3.4/dist-packages/traitlets/utils/sentinel.py'>, 'zmq.backend.select': <module 'zmq.backend.select' from '/usr/lib/python3/di

st-packages/zmq/backend/select.py'>, 'multiprocessing.connection': <module 'multiprocessing.connection' from '/usr/lib/python3.4/multiprocessing/connection.py'>, 'zmq.sugar.context': <module 'zmq.sugar.context' from '/usr/lib/python3/dist-packages/zmq/sugar/context.py'>, 'traceback': <module 'traceback' from '/usr/lib/python3.4/traceback.py'>, 'IPython.core.displayhook': <module 'IPython.core.displayhook' from '/usr/local/lib/python3.4/dist-packages/IPython/core/displayhook.py'>, 'IPython.utils.py3compat': <module 'IPython.utils.py3compat' from '/usr/local/lib/python3.4/dist-packages/IPython/utils/py3compat.py'>, '__future__': <module '__future__' from '/usr/lib/python3.4/__future__.py'>, 'tornado.platform.posix': <module 'tornado.platform.posix' from '/usr/lib/python3/dist-packages/tornado/platform/posix.py'>, 'threading': <module 'threading' from '/usr/lib/python3.4/threading.py'>, 'pkg_resources.extern.packaging': <module 'pkg_resources._vendor.packaging' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/packaging/__init__.py'>, 'ipykernel.ipkernel': <module 'ipykernel.ipkernel' from '/usr/local/lib/python3.4/dist-packages/ipykernel/ipkernel.py'>, 'zmq.backend.cython.socket': <module 'zmq.backend.cython.socket' from '/usr/lib/python3/dist-packages/zmq/backend/cython/socket.cpython-34m-x86_64-linux-gnu.so'>, 'prompt_toolkit.filters.cli': <module 'prompt_toolkit.filters.cli' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/filters/cli.py'>, 'concurrent.futures': <module 'concurrent.futures' from '/usr/lib/python3.4/concurrent/futures/__init__.py'>, 'pkg_resources.extern.packaging._structures': <module 'pkg_resources.extern.packaging._structures' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/packaging/_structures.py'>, 'prompt_toolkit.styles.base': <module 'prompt_toolkit.styles.base' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/styles/base.py'>, '_posixsubprocess': <module '_posixsubprocess' (built-in)>, 'pygments.lexers._mapping': <module 'pygments.lexers._mapping' from '/usr/local/lib/python3.4/dist-packages/pygments/lexers/_mapping.py'>, '_collections': <module '_collections' (built-in)>, 'ipywidgets.widgets.widget_image': <module 'ipywidgets.widgets.widget_image' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_image.py'>, 'IPython.utils.timing': <module 'IPython.utils.timing' from '/usr/local/lib/python3.4/dist-packages/IPython/utils/timing.py'>, 'ipywidgets.widgets': <module 'ipywidgets.widgets' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/__init__.py'>, 'zmq.sugar.version': <module 'zmq.sugar.version' from '/usr/lib/python3/dist-packages/zmq/sugar/version.py'>, 'ipykernel.zmqshell': <module 'ipykernel.zmqshell' from '/usr/local/lib/python3.4/dist-packages/ipykernel/zmqshell.py'>, 'ipykernel.codeutil': <module 'ipykernel.codeutil' from '/usr/local/lib/python3.4/dist-packages/ipykernel/codeutil.py'>, '__main__': <module '__main__'>, 'reprlib': <module 'reprlib' from '/usr/lib/python3.4/reprlib.py'>, 'code': <module 'code' from '/usr/lib/python3.4/code.py'>, 'urllib': <module 'urllib' from '/usr/lib/python3.4/urllib/__init__.py'>, 'types': <module 'types' from '/usr/lib/python3.4/types.py'>, 'prompt_toolkit.layout.containers': <module 'prompt_toolkit.layout.containers' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/layout/containers.py'>, 'prompt_toolkit.key_binding.bindings': <module 'prompt_toolkit.key_binding.bindings' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/bindings/__init__.py'>, '_socket': <module '_socket' (built-in)>, 'prompt_toolkit.eventloop.callbacks': <module 'prompt_toolkit.eventloop.callbacks' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/eventloop/callbacks.py'>, 'IPython.display': <module 'IPython.display' from '/usr/local/lib/python3.4/dist-packages/IPython/display.py'>, 'sqlite3': <module 'sqlite3' from '/usr/lib/python3.4/sqlite3/__init__.py'>, 'tornado.log': <module 'tornado.log' from '/usr/lib/python3/di

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c.py'>, 'IPython.testing.skipdoctest': <module 'IPython.testing.skipdoctest' from '/usr/local/lib/python3.4/dist-packages/IPython/testing/skipdoctest.py'>, 'six': <module 'six' from '/usr/lib/python3/dist-packages/six.py'>, 'IPython.core.magics.display': <module 'IPython.core.magics.display' from '/usr/local/lib/python3.4/dist-packages/IPython/core/magics/display.py'>, 'xml': <module 'xml' from '/usr/lib/python3.4/xml/__init__.py'>, '_bz2': <module '_bz2' from '/usr/lib/python3.4/lib-dynload/_bz2.cpython-34m-x86_64-linux-gnu.so'>, 'prompt_toolkit.layout.lexers': <module 'prompt_toolkit.layout.lexers' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/layout/lexers.py'>, 'six.moves': <module 'six.moves' (<six._SixMetaPathImporter object at 0x7f9aa0c8a160>)>, 'tokenize': <module 'tokenize' from '/usr/lib/python3.4/tokenize.py'>, '__mp_main__': <module 'ipykernel.__main__' from '/usr/local/lib/python3.4/dist-packages/ipykernel/__main__.py'>, 'IPython.core.page': <module 'IPython.core.page' from '/usr/local/lib/python3.4/dist-packages/IPython/core/page.py'>, 'pygments.formatters.html': <module 'pygments.formatters.html' from '/usr/local/lib/python3.4/dist-packages/pygments/formatters/html.py'>, 'IPython.lib.pretty': <module 'IPython.lib.pretty' from '/usr/local/lib/python3.4/dist-packages/IPython/lib/pretty.py'>, 'IPython.lib.display': <module 'IPython.lib.display' from '/usr/local/lib/python3.4/dist-packages/IPython/lib/display.py'>, 'prompt_toolkit.mouse_events': <module 'prompt_toolkit.mouse_events' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/mouse_events.py'>, 'prompt_toolkit.buffer': <module 'prompt_toolkit.buffer' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/buffer.py'>, 'ipython_genutils.importstring': <module 'ipython_genutils.importstring' from '/usr/local/lib/python3.4/dist-packages/ipython_genutils/importstring.py'>, 'ipywidgets.widgets.widget_output': <module 'ipywidgets.widgets.widget_output' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_output.py'>, 'queue': <module 'queue' from '/usr/lib/python3.4/queue.py'>, 'jupyter_client.kernelspec': <module 'jupyter_client.kernelspec' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/kernelspec.py'>, 'ipywidgets.widgets.widget_string': <module 'ipywidgets.widgets.widget_string' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_string.py'>, 'IPython.core.payload': <module 'IPython.core.payload' from '/usr/local/lib/python3.4/dist-packages/IPython/core/payload.py'>, 'IPython.utils.sentinel': <module 'IPython.utils.sentinel' from '/usr/local/lib/python3.4/dist-packages/IPython/utils/sentinel.py'>, 'prompt_toolkit.terminal.vt100_output': <module 'prompt_toolkit.terminal.vt100_output' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/terminal/vt100_output.py'>, 'IPython.testing': <module 'IPython.testing' from '/usr/local/lib/python3.4/dist-packages/IPython/testing/__init__.py'>, 'zmq.error': <module 'zmq.error' from '/usr/lib/python3/dist-packages/zmq/error.py'>, 'IPython.utils.syspathcontext': <module 'IPython.utils.syspathcontext' from '/usr/local/lib/python3.4/dist-packages/IPython/utils/syspathcontext.py'>, 'IPython.lib.security': <module 'IPython.lib.security' from '/usr/local/lib/python3.4/dist-packages/IPython/lib/security.py'>, '_lsprof': <module '_lsprof' from '/usr/lib/python3.4/lib-dynload/_lsprof.cpython-34m-x86_64-linux-gnu.so'>, 'ast': <module 'ast' from '/usr/lib/python3.4/ast.py'>, 'apport_python_hook': <module 'apport_python_hook' from '/usr/lib/python3/dist-packages/apport_python_hook.py'>, '_weakref': <module '_weakref' (built-in)>, 'zmq.sugar.attrsettr': <module 'zmq.sugar.attrsettr' from '/usr/lib/python3/dist-packages/zmq/sugar/attrsettr.py'>, 'prompt_toolkit.eventloop': <module 'prompt_toolkit.eventloop' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/eventloop/__init__.py'>, 'tty': <module 'tty' from '/usr/lib/python3.4/tty.py'>, 'IPython.utils.encoding': <module 'IPython.utils.encoding' from '/usr/local/lib/python

3.4/dist-packages/IPython/utils/encoding.py'>, 'ipywidgets.widgets.widget_int': <module 'ipywidgets.widgets.widget_int' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_int.py'>, 'os.path': <module 'posixpath' from '/usr/lib/python3.4/posixpath.py'>, '_datetime': <module '_datetime' (built-in)>, 'platform': <module 'platform' from '/usr/lib/python3.4/platform.py'>, 'IPython.core.autocall': <module 'IPython.core.autocall' from '/usr/local/lib/python3.4/dist-packages/IPython/core/autocall.py'>, 'jupyter_client.blocking': <module 'jupyter_client.blocking' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/blocking/__init__.py'>, 'pkg_resources.extern.six': <module 'pkg_resources._vendor.six' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/six.py'>, 'pprint': <module 'pprint' from '/usr/lib/python3.4/pprint.py'>, 'prompt_toolkit.filters': <module 'prompt_toolkit.filters' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/filters/__init__.py'>, 'traitlets.traitlets': <module 'traitlets.traitlets' from '/usr/local/lib/python3.4/dist-packages/traitlets/traitlets.py'>, 'IPython.core.macro': <module 'IPython.core.macro' from '/usr/local/lib/python3.4/dist-packages/IPython/core/macro.py'>, 'IPython.utils.dir2': <module 'IPython.utils.dir2' from '/usr/local/lib/python3.4/dist-packages/IPython/utils/dir2.py'>, 'uu': <module 'uu' from '/usr/lib/python3.4/uu.py'>, 'IPython.core.magics': <module 'IPython.core.magics' from '/usr/local/lib/python3.4/dist-packages/IPython/core/magics/__init__.py'>, 'tornado.ioloop': <module 'tornado.ioloop' from '/usr/lib/python3/dist-packages/tornado/ioloop.py'>, 'pygments.unistring': <module 'pygments.unistring' from '/usr/local/lib/python3.4/dist-packages/pygments/unistring.py'>, 'tornado': <module 'tornado' from '/usr/lib/python3/dist-packages/tornado/__init__.py'>, 'math': <module 'math' (built-in)>, 'prompt_toolkit.document': <module 'prompt_toolkit.document' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/document.py'>, 'prompt_toolkit.clipboard.base': <module 'prompt_toolkit.clipboard.base' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/clipboard/base.py'>, 'ipykernel.kernelapp': <module 'ipykernel.kernelapp' from '/usr/local/lib/python3.4/dist-packages/ipykernel/kernelapp.py'>, 'pygments.regexopt': <module 'pygments.regexopt' from '/usr/local/lib/python3.4/dist-packages/pygments/regexopt.py'>, 'prompt_toolkit.history': <module 'prompt_toolkit.history' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/history.py'>, 'genericpath': <module 'genericpath' from '/usr/lib/python3.4/genericpath.py'>, 'IPython.terminal.embed': <module 'IPython.terminal.embed' from '/usr/local/lib/python3.4/dist-packages/IPython/terminal/embed.py'>, 'IPython.core.builtin_trap': <module 'IPython.core.builtin_trap' from '/usr/local/lib/python3.4/dist-packages/IPython/core/builtin_trap.py'>, 'jupyter_client._version': <module 'jupyter_client._version' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/_version.py'>, 'IPython.lib.clipboard': <module 'IPython.lib.clipboard' from '/usr/local/lib/python3.4/dist-packages/IPython/lib/clipboard.py'>, 'time': <module 'time' (built-in)>, 'IPython.core.interactiveshell': <module 'IPython.core.interactiveshell' from '/usr/local/lib/python3.4/dist-packages/IPython/core/interactiveshell.py'>, 'IPython.utils.path': <module 'IPython.utils.path' from '/usr/local/lib/python3.4/dist-packages/IPython/utils/path.py'>, 'pickleshare': <module 'pickleshare' from '/usr/local/lib/python3.4/dist-packages/pickleshare.py'>, 'email.header': <module 'email.header' from '/usr/lib/python3.4/email/header.py'>, 'io': <module 'io' from '/usr/lib/python3.4/io.py'>, 'prompt_toolkit.validation': <module 'prompt_toolkit.validation' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/validation.py'>, 'zmq.devices.basedevice': <module 'zmq.devices.basedevice' from '/usr/lib/python3/dist-packages/zmq/devices/basedevice.py'>, 'prompt_toolkit.layout.menus': <module 'prompt_toolkit.la

yout.menus' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/layout/menus.py'>, 'zmq.sugar': <module 'zmq.sugar' from '/usr/lib/python3/dist-packages/zmq/sugar/__init__.py'>, 'ipython_genutils.encoding': <module 'ipython_genutils.encoding' from '/usr/local/lib/python3.4/dist-packages/ipython_genutils/encoding.py'>, 'IPython.core.magics.script': <module 'IPython.core.magics.script' from '/usr/local/lib/python3.4/dist-packages/IPython/core/magics/script.py'>, 'uuid': <module 'uuid' from '/usr/lib/python3.4/uuid.py'>, 'jupyter_client.multikernelmanager': <module 'jupyter_client.multikernelmanager' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/multikernelmanager.py'>, 'IPython.core.usage': <module 'IPython.core.usage' from '/usr/local/lib/python3.4/dist-packages/IPython/core/usage.py'>, 'pygments.styles.default': <module 'pygments.styles.default' from '/usr/local/lib/python3.4/dist-packages/pygments/styles/default.py'>, 'ipython_genutils.py3compat': <module 'ipython_genutils.py3compat' from '/usr/local/lib/python3.4/dist-packages/ipython_genutils/py3compat.py'>, 'bisect': <module 'bisect' from '/usr/lib/python3.4/bisect.py'>, 'pkg_resources.extern.packaging.markers': <module 'pkg_resources.extern.packaging.markers' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/packaging/markers.py'>, 'zlib': <module 'zlib' (built-in)>, 'pathlib': <module 'pathlib' from '/usr/lib/python3.4/pathlib.py'>, 'array': <module 'array' (built-in)>, '_sitebuiltins': <module '_sitebuiltins' from '/usr/lib/python3.4/_sitebuiltins.py'>, 'zmq.utils.constant_names': <module 'zmq.utils.constant_names' from '/usr/lib/python3/dist-packages/zmq/utils/constant_names.py'>, 'IPython.core.crashhandler': <module 'IPython.core.crashhandler' from '/usr/local/lib/python3.4/dist-packages/IPython/core/crashhandler.py'>, 'email._parseaddr': <module 'email._parseaddr' from '/usr/lib/python3.4/email/_parseaddr.py'>, 'pkg_resources._vendor.packaging.__about__': <module 'pkg_resources._vendor.packaging.__about__' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/packaging/__about__.py'>, 'IPython.core.events': <module 'IPython.core.events' from '/usr/local/lib/python3.4/dist-packages/IPython/core/events.py'>, 'collections': <module 'collections' from '/usr/lib/python3.4/collections/__init__.py'>, 'prompt_toolkit.styles': <module 'prompt_toolkit.styles' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/styles/__init__.py'>, 'tornado.platform.interface': <module 'tornado.platform.interface' from '/usr/lib/python3/dist-packages/tornado/platform/interface.py'>, 'IPython.core.getipython': <module 'IPython.core.getipython' from '/usr/local/lib/python3.4/dist-packages/IPython/core/getipython.py'>, 'ipywidgets': <module 'ipywidgets' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/__init__.py'>, 'IPython.core.logger': <module 'IPython.core.logger' from '/usr/local/lib/python3.4/dist-packages/IPython/core/logger.py'>, 'pkg_resources.extern.six.moves': <module 'pkg_resources._vendor.six.moves' (<pkg_resources._vendor.six._SixMetaPathImporter object at 0x7f9aa14950f0>)>, 'xml.parsers': <module 'xml.parsers' from '/usr/lib/python3.4/xml/parsers/__init__.py'>, 'IPython.utils.sysinfo': <module 'IPython.utils.sysinfo' from '/usr/local/lib/python3.4/dist-packages/IPython/utils/sysinfo.py'>, 'locale': <module 'locale' from '/usr/lib/python3.4/locale.py'>, 'ipywidgets.widgets.widget_link': <module 'ipywidgets.widgets.widget_link' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_link.py'>, 'traitlets.utils.importstring': <module 'traitlets.utils.importstring' from '/usr/local/lib/python3.4/dist-packages/traitlets/utils/importstring.py'>, 'ipykernel.heartbeat': <module 'ipykernel.heartbeat' from '/usr/local/lib/python3.4/dist-packages/ipykernel/heartbeat.py'>, 'IPython.utils.decorators': <module 'IPython.utils.decorators' from '/usr/local/lib/python3.4/dist-packages/IPython/utils/decorators.py'>, 'zmq.utils.strtypes': <module 'zmq.utils.strtypes' from '/usr/lib/python3/d

ist-packages/zmq/utils/strtypes.py'>, 'tornado.platform.auto': <module 'tornado.platform.auto' from '/usr/lib/python3/dist-packages/tornado/platform/auto.py'>, 'prompt_toolkit.application': <module 'prompt_toolkit.application' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/application.py'>, 'IPython.utils.importstring': <module 'IPython.utils.importstring' from '/usr/local/lib/python3.4/dist-packages/IPython/utils/importstring.py'>, 'pyexpat.model': <module 'pyexpat.model'>, 'jupyter_client.jsonutil': <module 'jupyter_client.jsonutil' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/jsonutil.py'>, 'IPython.core.oinspect': <module 'IPython.core.oinspect' from '/usr/local/lib/python3.4/dist-packages/IPython/core/oinspect.py'>, 'pydoc': <module 'pydoc' from '/usr/lib/python3.4/pydoc.py'>, 'IPython.utils.tempdir': <module 'IPython.utils.tempdir' from '/usr/local/lib/python3.4/dist-packages/IPython/utils/tempdir.py'>, 'jupyter_client.channelsabc': <module 'jupyter_client.channelsabc' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/channelsabc.py'>, 'zmq.backend.cython._version': <module 'zmq.backend.cython._version' from '/usr/lib/python3/dist-packages/zmq/backend/cython/_version.cpython-34m-x86_64-linux-gnu.so'>, 'prompt_toolkit.keys': <module 'prompt_toolkit.keys' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/keys.py'>, 'gettext': <module 'gettext' from '/usr/lib/python3.4/gettext.py'>, 'IPython.core.magic_arguments': <module 'IPython.core.magic_arguments' from '/usr/local/lib/python3.4/dist-packages/IPython/core/magic_arguments.py'>, 'encodings.utf_8': <module 'encodings.utf_8' from '/usr/lib/python3.4/encodings/utf_8.py'>, 'IPython.utils.terminal': <module 'IPython.utils.terminal' from '/usr/local/lib/python3.4/dist-packages/IPython/utils/terminal.py'>, 'jupyter_client.client': <module 'jupyter_client.client' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/client.py'>, 'ipywidgets.widgets.widget_color': <module 'ipywidgets.widgets.widget_color' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_color.py'>, 'prompt_toolkit.filters.base': <module 'prompt_toolkit.filters.base' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/filters/base.py'>, 'prompt_toolkit.cache': <module 'prompt_toolkit.cache' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/cache.py'>, 'ipywidgets.widgets.widget_button': <module 'ipywidgets.widgets.widget_button' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_button.py'>, 'contextlib': <module 'contextlib' from '/usr/lib/python3.4/contextlib.py'>, 'json.scanner': <module 'json.scanner' from '/usr/lib/python3.4/json/scanner.py'>, 'email.message': <module 'email.message' from '/usr/lib/python3.4/email/message.py'>, 'IPython.terminal.debugger': <module 'IPython.terminal.debugger' from '/usr/local/lib/python3.4/dist-packages/IPython/terminal/debugger.py'>, '_codecs': <module '_codecs' (built-in)>, 'pkg_resources.extern.appdirs': <module 'pkg_resources._vendor.appdirs' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/appdirs.py'>, 'zmq.backend.cython._device': <module 'zmq.backend.cython._device' from '/usr/lib/python3/dist-packages/zmq/backend/cython/_device.cpython-34m-x86_64-linux-gnu.so'>, 'IPython.utils.generics': <module 'IPython.utils.generics' from '/usr/local/lib/python3.4/dist-packages/IPython/utils/generics.py'>, 'pkg_resources.extern.packaging._compat': <module 'pkg_resources.extern.packaging._compat' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/packaging/_compat.py'>, 'prompt_toolkit.key_binding.bindings.basic': <module 'prompt_toolkit.key_binding.bindings.basic' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/bindings/basic.py'>, 'IPython.utils.module_paths': <module 'IPython.utils.module_paths' from '/usr/local/lib/python3.4/dist-packages/IPython/utils/module_paths.py'>, 'pexpect': <module 'pexpect' from '/usr/lib/python3/dist-packages/pexpect/__init__.py'>, 'concurrent': <module 'c

oncurrent' from '/usr/lib/python3.4/concurrent/__init__.py'>, '_imp': <module '_imp' (built-in)>, 'multiprocessing.context': <module 'multiprocessing.context' from '/usr/lib/python3.4/multiprocessing/context.py'>, 'prompt_toolkit.enums': <module 'prompt_toolkit.enums' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/enums.py'>, '_opcode': <module '_opcode' from '/usr/lib/python3.4/lib-dynload/_opcode.cpython-34m-x86_64-linux-gnu.so'>, 'pygments.filter': <module 'pygments.filter' from '/usr/local/lib/python3.4/dist-packages/pygments/filter.py'>, 'jupyter_client': <module 'jupyter_client' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/__init__.py'>, 'ipykernel.parentpoller': <module 'ipykernel.parentpoller' from '/usr/local/lib/python3.4/dist-packages/ipykernel/parentpoller.py'>, 'IPython.core.magics.history': <module 'IPython.core.magics.history' from '/usr/local/lib/python3.4/dist-packages/IPython/core/magics/history.py'>, 'fcntl': <module 'fcntl' (built-in)>

In [23]:

for key in sys.modules.keys(): if 'IPython' not in key: if sys.modules[key]: print(key, " : ", sys.modules[key])

_string : <module '_string' (built-in)>concurrent.futures.process : <module 'concurrent.futures.process' from '/usr/lib/python3.4/concurrent/futures/process.py'>prompt_toolkit.key_binding.bindings.scroll : <module 'prompt_toolkit.key_binding.bindings.scroll' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/bindings/scroll.py'>prompt_toolkit.selection : <module 'prompt_toolkit.selection' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/selection.py'>jupyter_client.channels : <module 'jupyter_client.channels' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/channels.py'>zmq.backend.cython.message : <module 'zmq.backend.cython.message' from '/usr/lib/python3/dist-packages/zmq/backend/cython/message.cpython-34m-x86_64-linux-gnu.so'>ctypes._endian : <module 'ctypes._endian' from '/usr/lib/python3.4/ctypes/_endian.py'>email.feedparser : <module 'email.feedparser' from '/usr/lib/python3.4/email/feedparser.py'>ipykernel.displayhook : <module 'ipykernel.displayhook' from '/usr/local/lib/python3.4/dist-packages/ipykernel/displayhook.py'>ipykernel.comm : <module 'ipykernel.comm' from '/usr/local/lib/python3.4/dist-packages/ipykernel/comm/__init__.py'>prompt_toolkit.clipboard.in_memory : <module 'prompt_toolkit.clipboard.in_memory' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/clipboard/in_memory.py'>ipywidgets.widgets.widget_selectioncontainer : <module 'ipywidgets.widgets.widget_selectioncontainer' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_selectioncontainer.py'>shlex : <module 'shlex' from '/usr/lib/python3.4/shlex.py'>token : <module 'token' from '/usr/lib/python3.4/token.py'>prompt_toolkit.styles.defaults : <module 'prompt_toolkit.styles.defaults' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/styles/defaults.py'>ipykernel.datapub : <module 'ipykernel.datapub' from '/usr/local/lib/python3.4/dist-packages/ipykernel/datapub.py'>sre_constants : <module 'sre_constants' from '/usr/lib/python3.4/sre_constants.py'>wcwidth : <module 'wcwidth' from '/usr/local/lib/python3.4/dist-packages/wcwidth/__init__.py'>fnmatch : <module 'fnmatch' from '/usr/lib/python3.4/fnmatch.py'>tornado.speedups : <module 'tornado.speedups' from '/usr/lib/python3/dist-packages/tornado/speedups.cpython-34m-x86_64-linux-gnu.so'>ipywidgets.widgets.domwidget : <module 'ipywidgets.widgets.domwidget' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/domwidget.py'>ipykernel.comm.comm : <module 'ipykernel.comm.comm' from '/usr/local/lib/python3.4/dist-packages/ipykernel/comm/comm.py'>jupyter_client.launcher : <module 'jupyter_client.launcher' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/launcher.py'>profile : <module 'profile' from '/usr/lib/python3.4/profile.py'>unicodedata : <module 'unicodedata' (built-in)>ipython_genutils : <module 'ipython_genutils' from '/usr/local/lib/python3.4/dist-packages/ipython_genutils/__init__.py'>runpy : <module 'runpy' from '/usr/lib/python3.4/runpy.py'>_collections_abc : <module '_collections_abc' from '/usr/lib/python3.4/_collections_abc.py'>cProfile : <module 'cProfile' from '/usr/lib/python3.4/cProfile.py'>

zmq : <module 'zmq' from '/usr/lib/python3/dist-packages/zmq/__init__.py'>getopt : <module 'getopt' from '/usr/lib/python3.4/getopt.py'>_thread : <module '_thread' (built-in)>prompt_toolkit.key_binding.bindings.completion : <module 'prompt_toolkit.key_binding.bindings.completion' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/bindings/completion.py'>pkg_resources.extern.pyparsing : <module 'pkg_resources._vendor.pyparsing' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/pyparsing.py'>pygments.token : <module 'pygments.token' from '/usr/local/lib/python3.4/dist-packages/pygments/token.py'>prompt_toolkit.key_binding : <module 'prompt_toolkit.key_binding' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/__init__.py'>_ast : <module '_ast' (built-in)>prompt_toolkit.layout.utils : <module 'prompt_toolkit.layout.utils' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/layout/utils.py'>jupyter_client.session : <module 'jupyter_client.session' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/session.py'>inspect : <module 'inspect' from '/usr/lib/python3.4/inspect.py'>pygments.formatters : <module 'pygments.formatters' from '/usr/local/lib/python3.4/dist-packages/pygments/formatters/__init__.py'>jupyter_client.localinterfaces : <module 'jupyter_client.localinterfaces' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/localinterfaces.py'>tornado.platform : <module 'tornado.platform' from '/usr/lib/python3/dist-packages/tornado/platform/__init__.py'>zmq.utils.interop : <module 'zmq.utils.interop' from '/usr/lib/python3/dist-packages/zmq/utils/interop.py'>zmq.backend.cython.utils : <module 'zmq.backend.cython.utils' from '/usr/lib/python3/dist-packages/zmq/backend/cython/utils.cpython-34m-x86_64-linux-gnu.so'>_curses : <module '_curses' from '/usr/lib/python3.4/lib-dynload/_curses.cpython-34m-x86_64-linux-gnu.so'>_weakrefset : <module '_weakrefset' from '/usr/lib/python3.4/_weakrefset.py'>_sysconfigdata : <module '_sysconfigdata' from '/usr/lib/python3.4/_sysconfigdata.py'>traitlets.utils.sentinel : <module 'traitlets.utils.sentinel' from '/usr/local/lib/python3.4/dist-packages/traitlets/utils/sentinel.py'>zmq.backend.select : <module 'zmq.backend.select' from '/usr/lib/python3/dist-packages/zmq/backend/select.py'>multiprocessing.connection : <module 'multiprocessing.connection' from '/usr/lib/python3.4/multiprocessing/connection.py'>zmq.sugar.context : <module 'zmq.sugar.context' from '/usr/lib/python3/dist-packages/zmq/sugar/context.py'>traceback : <module 'traceback' from '/usr/lib/python3.4/traceback.py'>__future__ : <module '__future__' from '/usr/lib/python3.4/__future__.py'>tornado.platform.posix : <module 'tornado.platform.posix' from '/usr/lib/python3/dist-packages/tornado/platform/posix.py'>threading : <module 'threading' from '/usr/lib/python3.4/threading.py'>pkg_resources.extern.packaging : <module 'pkg_resources._vendor.packaging' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/packaging/__init__.py'>

ipykernel.ipkernel : <module 'ipykernel.ipkernel' from '/usr/local/lib/python3.4/dist-packages/ipykernel/ipkernel.py'>zmq.backend.cython.socket : <module 'zmq.backend.cython.socket' from '/usr/lib/python3/dist-packages/zmq/backend/cython/socket.cpython-34m-x86_64-linux-gnu.so'>prompt_toolkit.filters.cli : <module 'prompt_toolkit.filters.cli' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/filters/cli.py'>concurrent.futures : <module 'concurrent.futures' from '/usr/lib/python3.4/concurrent/futures/__init__.py'>pkg_resources.extern.packaging._structures : <module 'pkg_resources.extern.packaging._structures' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/packaging/_structures.py'>prompt_toolkit.styles.base : <module 'prompt_toolkit.styles.base' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/styles/base.py'>_posixsubprocess : <module '_posixsubprocess' (built-in)>pygments.lexers._mapping : <module 'pygments.lexers._mapping' from '/usr/local/lib/python3.4/dist-packages/pygments/lexers/_mapping.py'>_collections : <module '_collections' (built-in)>ipywidgets.widgets.widget_image : <module 'ipywidgets.widgets.widget_image' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_image.py'>ipywidgets.widgets : <module 'ipywidgets.widgets' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/__init__.py'>zmq.sugar.version : <module 'zmq.sugar.version' from '/usr/lib/python3/dist-packages/zmq/sugar/version.py'>ipykernel.zmqshell : <module 'ipykernel.zmqshell' from '/usr/local/lib/python3.4/dist-packages/ipykernel/zmqshell.py'>ipykernel.codeutil : <module 'ipykernel.codeutil' from '/usr/local/lib/python3.4/dist-packages/ipykernel/codeutil.py'>__main__ : <module '__main__'>reprlib : <module 'reprlib' from '/usr/lib/python3.4/reprlib.py'>code : <module 'code' from '/usr/lib/python3.4/code.py'>urllib : <module 'urllib' from '/usr/lib/python3.4/urllib/__init__.py'>types : <module 'types' from '/usr/lib/python3.4/types.py'>prompt_toolkit.layout.containers : <module 'prompt_toolkit.layout.containers' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/layout/containers.py'>prompt_toolkit.key_binding.bindings : <module 'prompt_toolkit.key_binding.bindings' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/bindings/__init__.py'>_socket : <module '_socket' (built-in)>prompt_toolkit.eventloop.callbacks : <module 'prompt_toolkit.eventloop.callbacks' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/eventloop/callbacks.py'>sqlite3 : <module 'sqlite3' from '/usr/lib/python3.4/sqlite3/__init__.py'>tornado.log : <module 'tornado.log' from '/usr/lib/python3/dist-packages/tornado/log.py'>encodings.latin_1 : <module 'encodings.latin_1' from '/usr/lib/python3.4/encodings/latin_1.py'>jupyter_core.paths : <module 'jupyter_core.paths' from '/usr/local/lib/python3.4/dist-packages/jupyter_core/paths.py'>zmq.sugar.frame : <module 'zmq.sugar.frame' from '/usr/lib/python3/dist-packages/zmq/sugar/frame.py'>importlib.util : <module 'importlib.util' from '/usr/lib/python3.4/importlib/util.py'>traitlets.utils : <module 'traitlets.utils' from '/usr/local/lib/

python3.4/dist-packages/traitlets/utils/__init__.py'>html : <module 'html' from '/usr/lib/python3.4/html/__init__.py'>argparse : <module 'argparse' from '/usr/lib/python3.4/argparse.py'>resource : <module 'resource' from '/usr/lib/python3.4/lib-dynload/resource.cpython-34m-x86_64-linux-gnu.so'>json.decoder : <module 'json.decoder' from '/usr/lib/python3.4/json/decoder.py'>prompt_toolkit.layout.prompt : <module 'prompt_toolkit.layout.prompt' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/layout/prompt.py'>prompt_toolkit.key_binding.vi_state : <module 'prompt_toolkit.key_binding.vi_state' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/vi_state.py'>termios : <module 'termios' from '/usr/lib/python3.4/lib-dynload/termios.cpython-34m-x86_64-linux-gnu.so'>_pickle : <module '_pickle' (built-in)>_json : <module '_json' from '/usr/lib/python3.4/lib-dynload/_json.cpython-34m-x86_64-linux-gnu.so'>jupyter_client.manager : <module 'jupyter_client.manager' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/manager.py'>_lzma : <module '_lzma' from '/usr/lib/python3.4/lib-dynload/_lzma.cpython-34m-x86_64-linux-gnu.so'>itertools : <module 'itertools' (built-in)>prompt_toolkit.shortcuts : <module 'prompt_toolkit.shortcuts' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/shortcuts.py'>pkg_resources : <module 'pkg_resources' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/__init__.py'>ipywidgets.widgets.eventful : <module 'ipywidgets.widgets.eventful' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/eventful.py'>ipykernel.kernelbase : <module 'ipykernel.kernelbase' from '/usr/local/lib/python3.4/dist-packages/ipykernel/kernelbase.py'>encodings.aliases : <module 'encodings.aliases' from '/usr/lib/python3.4/encodings/aliases.py'>sysconfig : <module 'sysconfig' from '/usr/lib/python3.4/sysconfig.py'>jupyter_client.blocking.channels : <module 'jupyter_client.blocking.channels' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/blocking/channels.py'>tornado.escape : <module 'tornado.escape' from '/usr/lib/python3/dist-packages/tornado/escape.py'>glob : <module 'glob' from '/usr/lib/python3.4/glob.py'>prompt_toolkit.key_binding.digraphs : <module 'prompt_toolkit.key_binding.digraphs' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/digraphs.py'>grp : <module 'grp' (built-in)>_frozen_importlib : <module 'importlib._bootstrap' (frozen)>prompt_toolkit.terminal.vt100_input : <module 'prompt_toolkit.terminal.vt100_input' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/terminal/vt100_input.py'>marshal : <module 'marshal' (built-in)>prompt_toolkit.layout.mouse_handlers : <module 'prompt_toolkit.layout.mouse_handlers' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/layout/mouse_handlers.py'>pkg_resources._vendor.six.moves : <module 'pkg_resources._vendor.six.moves' (<pkg_resources._vendor.six._SixMetaPathImporter object at 0x7f9aa14950f0>)>ipykernel.serialize : <module 'ipykernel.serialize' from '/usr/local/lib/python3.4/dist-packages/ipykernel/serialize.py'>

pwd : <module 'pwd' (built-in)>enum : <module 'enum' from '/usr/lib/python3.4/enum.py'>stat : <module 'stat' from '/usr/lib/python3.4/stat.py'>logging : <module 'logging' from '/usr/lib/python3.4/logging/__init__.py'>prompt_toolkit.layout.toolbars : <module 'prompt_toolkit.layout.toolbars' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/layout/toolbars.py'>datetime : <module 'datetime' from '/usr/lib/python3.4/datetime.py'>pty : <module 'pty' from '/usr/lib/python3.4/pty.py'>xml.parsers.expat.model : <module 'pyexpat.model'>ipython_genutils.path : <module 'ipython_genutils.path' from '/usr/local/lib/python3.4/dist-packages/ipython_genutils/path.py'>zmq.backend.cython._poll : <module 'zmq.backend.cython._poll' from '/usr/lib/python3/dist-packages/zmq/backend/cython/_poll.cpython-34m-x86_64-linux-gnu.so'>opcode : <module 'opcode' from '/usr/lib/python3.4/opcode.py'>socket : <module 'socket' from '/usr/lib/python3.4/socket.py'>prompt_toolkit : <module 'prompt_toolkit' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/__init__.py'>numbers : <module 'numbers' from '/usr/lib/python3.4/numbers.py'>_compat_pickle : <module '_compat_pickle' from '/usr/lib/python3.4/_compat_pickle.py'>concurrent.futures._base : <module 'concurrent.futures._base' from '/usr/lib/python3.4/concurrent/futures/_base.py'>importlib.machinery : <module 'importlib.machinery' from '/usr/lib/python3.4/importlib/machinery.py'>tornado.stack_context : <module 'tornado.stack_context' from '/usr/lib/python3/dist-packages/tornado/stack_context.py'>bdb : <module 'bdb' from '/usr/lib/python3.4/bdb.py'>zmq.sugar.tracker : <module 'zmq.sugar.tracker' from '/usr/lib/python3/dist-packages/zmq/sugar/tracker.py'>ipykernel.pickleutil : <module 'ipykernel.pickleutil' from '/usr/local/lib/python3.4/dist-packages/ipykernel/pickleutil.py'>posix : <module 'posix' (built-in)>prompt_toolkit.layout : <module 'prompt_toolkit.layout' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/layout/__init__.py'>prompt_toolkit.input : <module 'prompt_toolkit.input' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/input.py'>operator : <module 'operator' from '/usr/lib/python3.4/operator.py'>faulthandler : <module 'faulthandler' (built-in)>prompt_toolkit.layout.margins : <module 'prompt_toolkit.layout.margins' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/layout/margins.py'>copy : <module 'copy' from '/usr/lib/python3.4/copy.py'>collections.abc : <module 'collections.abc' from '/usr/lib/python3.4/collections/abc.py'>sitecustomize : <module 'sitecustomize' from '/usr/lib/python3.4/sitecustomize.py'>_ctypes : <module '_ctypes' from '/usr/lib/python3.4/lib-dynload/_ctypes.cpython-34m-x86_64-linux-gnu.so'>posixpath : <module 'posixpath' from '/usr/lib/python3.4/posixpath.py'>plistlib : <module 'plistlib' from '/usr/lib/python3.4/plistlib.py'>pyexpat.errors : <module 'pyexpat.errors'>keyword : <module 'keyword' from '/usr/lib/python3.4/keyword.py'>gc : <module 'gc' (built-in)>

prompt_toolkit.auto_suggest : <module 'prompt_toolkit.auto_suggest' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/auto_suggest.py'>zmq.sugar.poll : <module 'zmq.sugar.poll' from '/usr/lib/python3/dist-packages/zmq/sugar/poll.py'>urllib.parse : <module 'urllib.parse' from '/usr/lib/python3.4/urllib/parse.py'>pkg_resources.extern.packaging.requirements : <module 'pkg_resources.extern.packaging.requirements' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/packaging/requirements.py'>quopri : <module 'quopri' from '/usr/lib/python3.4/quopri.py'>pygments.filters : <module 'pygments.filters' from '/usr/local/lib/python3.4/dist-packages/pygments/filters/__init__.py'>email : <module 'email' from '/usr/lib/python3.4/email/__init__.py'>_warnings : <module '_warnings' (built-in)>zmq.backend.cython.constants : <module 'zmq.backend.cython.constants' from '/usr/lib/python3/dist-packages/zmq/backend/cython/constants.cpython-34m-x86_64-linux-gnu.so'>prompt_toolkit.buffer_mapping : <module 'prompt_toolkit.buffer_mapping' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/buffer_mapping.py'>copyreg : <module 'copyreg' from '/usr/lib/python3.4/copyreg.py'>prompt_toolkit.styles.utils : <module 'prompt_toolkit.styles.utils' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/styles/utils.py'>pkg_resources._vendor : <module 'pkg_resources._vendor' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/__init__.py'>importlib._bootstrap : <module 'importlib._bootstrap' (frozen)>wcwidth.wcwidth : <module 'wcwidth.wcwidth' from '/usr/local/lib/python3.4/dist-packages/wcwidth/wcwidth.py'>jupyter_client.blocking.client : <module 'jupyter_client.blocking.client' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/blocking/client.py'>bz2 : <module 'bz2' from '/usr/lib/python3.4/bz2.py'>_sre : <module '_sre' (built-in)>email.base64mime : <module 'email.base64mime' from '/usr/lib/python3.4/email/base64mime.py'>ctypes.util : <module 'ctypes.util' from '/usr/lib/python3.4/ctypes/util.py'>traitlets.config.loader : <module 'traitlets.config.loader' from '/usr/local/lib/python3.4/dist-packages/traitlets/config/loader.py'>calendar : <module 'calendar' from '/usr/lib/python3.4/calendar.py'>tempfile : <module 'tempfile' from '/usr/lib/python3.4/tempfile.py'>email.utils : <module 'email.utils' from '/usr/lib/python3.4/email/utils.py'>concurrent.futures.thread : <module 'concurrent.futures.thread' from '/usr/lib/python3.4/concurrent/futures/thread.py'>mimetypes : <module 'mimetypes' from '/usr/lib/python3.4/mimetypes.py'>hmac : <module 'hmac' from '/usr/lib/python3.4/hmac.py'>pstats : <module 'pstats' from '/usr/lib/python3.4/pstats.py'>ipywidgets.widgets.widget_layout : <module 'ipywidgets.widgets.widget_layout' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_layout.py'>tarfile : <module 'tarfile' from '/usr/lib/python3.4/tarfile.py'>_heapq : <module '_heapq' (built-in)>

_io : <module 'io' (built-in)>prompt_toolkit.key_binding.bindings.utils : <module 'prompt_toolkit.key_binding.bindings.utils' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/bindings/utils.py'>ipywidgets.widgets.widget_float : <module 'ipywidgets.widgets.widget_float' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_float.py'>pygments.modeline : <module 'pygments.modeline' from '/usr/local/lib/python3.4/dist-packages/pygments/modeline.py'>sre_parse : <module 'sre_parse' from '/usr/lib/python3.4/sre_parse.py'>pygments.formatter : <module 'pygments.formatter' from '/usr/local/lib/python3.4/dist-packages/pygments/formatter.py'>email._encoded_words : <module 'email._encoded_words' from '/usr/lib/python3.4/email/_encoded_words.py'>pygments.util : <module 'pygments.util' from '/usr/local/lib/python3.4/dist-packages/pygments/util.py'>prompt_toolkit.terminal : <module 'prompt_toolkit.terminal' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/terminal/__init__.py'>multiprocessing.process : <module 'multiprocessing.process' from '/usr/lib/python3.4/multiprocessing/process.py'>jupyter_core : <module 'jupyter_core' from '/usr/local/lib/python3.4/dist-packages/jupyter_core/__init__.py'>przyklad2 : <module 'przyklad2' from '/home/szwabin/MyPython/przyklad2.py'>struct : <module 'struct' from '/usr/lib/python3.4/struct.py'>tornado.util : <module 'tornado.util' from '/usr/lib/python3/dist-packages/tornado/util.py'>pygments.formatters._mapping : <module 'pygments.formatters._mapping' from '/usr/local/lib/python3.4/dist-packages/pygments/formatters/_mapping.py'>wcwidth.table_zero : <module 'wcwidth.table_zero' from '/usr/local/lib/python3.4/dist-packages/wcwidth/table_zero.py'>pkg_resources.extern.packaging.specifiers : <module 'pkg_resources.extern.packaging.specifiers' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/packaging/specifiers.py'>abc : <module 'abc' from '/usr/lib/python3.4/abc.py'>prompt_toolkit.clipboard : <module 'prompt_toolkit.clipboard' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/clipboard/__init__.py'>ctypes : <module 'ctypes' from '/usr/lib/python3.4/ctypes/__init__.py'>ntpath : <module 'ntpath' from '/usr/lib/python3.4/ntpath.py'>logging.handlers : <module 'logging.handlers' from '/usr/lib/python3.4/logging/handlers.py'>prompt_toolkit.utils : <module 'prompt_toolkit.utils' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/utils.py'>prompt_toolkit.key_binding.registry : <module 'prompt_toolkit.key_binding.registry' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/registry.py'>zmq.devices.monitoredqueue : <module 'zmq.devices.monitoredqueue' from '/usr/lib/python3/dist-packages/zmq/devices/monitoredqueue.cpython-34m-x86_64-linux-gnu.so'>prompt_toolkit.layout.processors : <module 'prompt_toolkit.layout.processors' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/layout/processors.py'>zipfile : <module 'zipfile' from '/usr/lib/python3.4/zipfile.py'>ipywidgets.widgets.widget : <module 'ipywidgets.widgets.widget' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget.py'>

zmq.eventloop.zmqstream : <module 'zmq.eventloop.zmqstream' from '/usr/lib/python3/dist-packages/zmq/eventloop/zmqstream.py'>codecs : <module 'codecs' from '/usr/lib/python3.4/codecs.py'>_bootlocale : <module '_bootlocale' from '/usr/lib/python3.4/_bootlocale.py'>linecache : <module 'linecache' from '/usr/lib/python3.4/linecache.py'>xml.parsers.expat.errors : <module 'pyexpat.errors'>prompt_toolkit.key_binding.manager : <module 'prompt_toolkit.key_binding.manager' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/manager.py'>sqlite3.dbapi2 : <module 'sqlite3.dbapi2' from '/usr/lib/python3.4/sqlite3/dbapi2.py'>signal : <module 'signal' (built-in)>zmq.backend.cython : <module 'zmq.backend.cython' from '/usr/lib/python3/dist-packages/zmq/backend/cython/__init__.py'>textwrap : <module 'textwrap' from '/usr/lib/python3.4/textwrap.py'>pygments : <module 'pygments' from '/usr/local/lib/python3.4/dist-packages/pygments/__init__.py'>traitlets.config : <module 'traitlets.config' from '/usr/local/lib/python3.4/dist-packages/traitlets/config/__init__.py'>string : <module 'string' from '/usr/lib/python3.4/string.py'>prompt_toolkit.eventloop.base : <module 'prompt_toolkit.eventloop.base' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/eventloop/base.py'>heapq : <module 'heapq' from '/usr/lib/python3.4/heapq.py'>prompt_toolkit.interface : <module 'prompt_toolkit.interface' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/interface.py'>html.entities : <module 'html.entities' from '/usr/lib/python3.4/html/entities.py'>zmq.sugar.constants : <module 'zmq.sugar.constants' from '/usr/lib/python3/dist-packages/zmq/sugar/constants.py'>_sqlite3 : <module '_sqlite3' from '/usr/lib/python3.4/lib-dynload/_sqlite3.cpython-34m-x86_64-linux-gnu.so'>ipython_genutils.text : <module 'ipython_genutils.text' from '/usr/local/lib/python3.4/dist-packages/ipython_genutils/text.py'>prompt_toolkit.key_binding.input_processor : <module 'prompt_toolkit.key_binding.input_processor' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/input_processor.py'>traitlets.log : <module 'traitlets.log' from '/usr/local/lib/python3.4/dist-packages/traitlets/log.py'>zmq.devices.proxydevice : <module 'zmq.devices.proxydevice' from '/usr/lib/python3/dist-packages/zmq/devices/proxydevice.py'>pkg_resources.extern : <module 'pkg_resources.extern' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/extern/__init__.py'>zmq.utils.garbage : <module 'zmq.utils.garbage' from '/usr/lib/python3/dist-packages/zmq/utils/garbage.py'>traitlets.config.configurable : <module 'traitlets.config.configurable' from '/usr/local/lib/python3.4/dist-packages/traitlets/config/configurable.py'>email.encoders : <module 'email.encoders' from '/usr/lib/python3.4/email/encoders.py'>prompt_toolkit.renderer : <module 'prompt_toolkit.renderer' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/renderer.py'>jupyter_client.connect : <module 'jupyter_client.connect' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/connect.py'>zmq.eventloop : <module 'zmq.eventloop' from '/usr/lib/python3/di

st-packages/zmq/eventloop/__init__.py'>prompt_toolkit.styles.from_pygments : <module 'prompt_toolkit.styles.from_pygments' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/styles/from_pygments.py'>pygments.lexer : <module 'pygments.lexer' from '/usr/local/lib/python3.4/dist-packages/pygments/lexer.py'>builtins : <module 'builtins' (built-in)>ipywidgets.widgets.widget_bool : <module 'ipywidgets.widgets.widget_bool' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_bool.py'>pygments.lexers : <module 'pygments.lexers' from '/usr/local/lib/python3.4/dist-packages/pygments/lexers/__init__.py'>_hashlib : <module '_hashlib' from '/usr/lib/python3.4/lib-dynload/_hashlib.cpython-34m-x86_64-linux-gnu.so'>_functools : <module '_functools' (built-in)>zmq.backend : <module 'zmq.backend' from '/usr/lib/python3/dist-packages/zmq/backend/__init__.py'>sys : <module 'sys' (built-in)>traitlets : <module 'traitlets' from '/usr/local/lib/python3.4/dist-packages/traitlets/__init__.py'>zmq.backend.cython.error : <module 'zmq.backend.cython.error' from '/usr/lib/python3/dist-packages/zmq/backend/cython/error.cpython-34m-x86_64-linux-gnu.so'>cmd : <module 'cmd' from '/usr/lib/python3.4/cmd.py'>prompt_toolkit.key_binding.bindings.vi : <module 'prompt_toolkit.key_binding.bindings.vi' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/bindings/vi.py'>traitlets._version : <module 'traitlets._version' from '/usr/local/lib/python3.4/dist-packages/traitlets/_version.py'>optparse : <module 'optparse' from '/usr/lib/python3.4/optparse.py'>zipimport : <module 'zipimport' (built-in)>_strptime : <module '_strptime' from '/usr/lib/python3.4/_strptime.py'>json : <module 'json' from '/usr/lib/python3.4/json/__init__.py'>email.charset : <module 'email.charset' from '/usr/lib/python3.4/email/charset.py'>simplegeneric : <module 'simplegeneric' from '/usr/lib/python3/dist-packages/simplegeneric.py'>pdb : <module 'pdb' from '/usr/lib/python3.4/pdb.py'>zmq.utils.jsonapi : <module 'zmq.utils.jsonapi' from '/usr/lib/python3/dist-packages/zmq/utils/jsonapi.py'>_stat : <module '_stat' (built-in)>ipykernel.iostream : <module 'ipykernel.iostream' from '/usr/local/lib/python3.4/dist-packages/ipykernel/iostream.py'>prompt_toolkit.key_binding.bindings.emacs : <module 'prompt_toolkit.key_binding.bindings.emacs' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/bindings/emacs.py'>decorator : <module 'decorator' from '/usr/lib/python3/dist-packages/decorator.py'>ipywidgets.widgets.interaction : <module 'ipywidgets.widgets.interaction' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/interaction.py'>ipywidgets._version : <module 'ipywidgets._version' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/_version.py'>encodings : <module 'encodings' from '/usr/lib/python3.4/encodings/__init__.py'>prompt_toolkit.output : <module 'prompt_toolkit.output' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/output.py'>hashlib : <module 'hashlib' from '/usr/lib/python3.4/hashlib.py'>atexit : <module 'atexit' (built-in)>

_multiprocessing : <module '_multiprocessing' from '/usr/lib/python3.4/lib-dynload/_multiprocessing.cpython-34m-x86_64-linux-gnu.so'>ipykernel.jsonutil : <module 'ipykernel.jsonutil' from '/usr/local/lib/python3.4/dist-packages/ipykernel/jsonutil.py'>timeit : <module 'timeit' from '/usr/lib/python3.4/timeit.py'>xml.parsers.expat : <module 'xml.parsers.expat' from '/usr/lib/python3.4/xml/parsers/expat.py'>ipykernel.connect : <module 'ipykernel.connect' from '/usr/local/lib/python3.4/dist-packages/ipykernel/connect.py'>email.errors : <module 'email.errors' from '/usr/lib/python3.4/email/errors.py'>functools : <module 'functools' from '/usr/lib/python3.4/functools.py'>ipywidgets.widgets.widget_controller : <module 'ipywidgets.widgets.widget_controller' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_controller.py'>jupyter_client.managerabc : <module 'jupyter_client.managerabc' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/managerabc.py'>pygments.styles : <module 'pygments.styles' from '/usr/local/lib/python3.4/dist-packages/pygments/styles/__init__.py'>errno : <module 'errno' (built-in)>lzma : <module 'lzma' from '/usr/lib/python3.4/lzma.py'>_struct : <module '_struct' (built-in)>pyexpat : <module 'pyexpat' (built-in)>encodings.cp437 : <module 'encodings.cp437' from '/usr/lib/python3.4/encodings/cp437.py'>email.iterators : <module 'email.iterators' from '/usr/lib/python3.4/email/iterators.py'>pkgutil : <module 'pkgutil' from '/usr/lib/python3.4/pkgutil.py'>prompt_toolkit.reactive : <module 'prompt_toolkit.reactive' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/reactive.py'>prompt_toolkit.styles.from_dict : <module 'prompt_toolkit.styles.from_dict' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/styles/from_dict.py'>zmq.eventloop.ioloop : <module 'zmq.eventloop.ioloop' from '/usr/lib/python3/dist-packages/zmq/eventloop/ioloop.py'>prompt_toolkit.search_state : <module 'prompt_toolkit.search_state' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/search_state.py'>os : <module 'os' from '/usr/lib/python3.4/os.py'>dis : <module 'dis' from '/usr/lib/python3.4/dis.py'>pkg_resources._vendor.six : <module 'pkg_resources._vendor.six' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/six.py'>ipython_genutils._version : <module 'ipython_genutils._version' from '/usr/local/lib/python3.4/dist-packages/ipython_genutils/_version.py'>prompt_toolkit.layout.controls : <module 'prompt_toolkit.layout.controls' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/layout/controls.py'>_random : <module '_random' (built-in)>traitlets.config.application : <module 'traitlets.config.application' from '/usr/local/lib/python3.4/dist-packages/traitlets/config/application.py'>imp : <module 'imp' from '/usr/lib/python3.4/imp.py'>prompt_toolkit.filters.types : <module 'prompt_toolkit.filters.types' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/filters/types.py'>

multiprocessing.reduction : <module 'multiprocessing.reduction' from '/usr/lib/python3.4/multiprocessing/reduction.py'>importlib : <module 'importlib' from '/usr/lib/python3.4/importlib/__init__.py'>tornado.concurrent : <module 'tornado.concurrent' from '/usr/lib/python3/dist-packages/tornado/concurrent.py'>codeop : <module 'codeop' from '/usr/lib/python3.4/codeop.py'>getpass : <module 'getpass' from '/usr/lib/python3.4/getpass.py'>_operator : <module '_operator' (built-in)>prompt_toolkit.filters.utils : <module 'prompt_toolkit.filters.utils' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/filters/utils.py'>selectors : <module 'selectors' from '/usr/lib/python3.4/selectors.py'>zmq.backend.cython.context : <module 'zmq.backend.cython.context' from '/usr/lib/python3/dist-packages/zmq/backend/cython/context.cpython-34m-x86_64-linux-gnu.so'>zmq.sugar.socket : <module 'zmq.sugar.socket' from '/usr/lib/python3/dist-packages/zmq/sugar/socket.py'>random : <module 'random' from '/usr/lib/python3.4/random.py'>zmq.utils.sixcerpt : <module 'zmq.utils.sixcerpt' from '/usr/lib/python3/dist-packages/zmq/utils/sixcerpt.py'>wcwidth.table_wide : <module 'wcwidth.table_wide' from '/usr/local/lib/python3.4/dist-packages/wcwidth/table_wide.py'>subprocess : <module 'subprocess' from '/usr/lib/python3.4/subprocess.py'>sre_compile : <module 'sre_compile' from '/usr/lib/python3.4/sre_compile.py'>curses : <module 'curses' from '/usr/lib/python3.4/curses/__init__.py'>select : <module 'select' (built-in)>traitlets.utils.getargspec : <module 'traitlets.utils.getargspec' from '/usr/local/lib/python3.4/dist-packages/traitlets/utils/getargspec.py'>email.parser : <module 'email.parser' from '/usr/lib/python3.4/email/parser.py'>jupyter_client.adapter : <module 'jupyter_client.adapter' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/adapter.py'>_locale : <module '_locale' (built-in)>jupyter_core.version : <module 'jupyter_core.version' from '/usr/local/lib/python3.4/dist-packages/jupyter_core/version.py'>_bisect : <module '_bisect' (built-in)>multiprocessing.util : <module 'multiprocessing.util' from '/usr/lib/python3.4/multiprocessing/util.py'>zmq.devices : <module 'zmq.devices' from '/usr/lib/python3/dist-packages/zmq/devices/__init__.py'>re : <module 're' from '/usr/lib/python3.4/re.py'>ipykernel : <module 'ipykernel' from '/usr/local/lib/python3.4/dist-packages/ipykernel/__init__.py'>ipywidgets.widgets.trait_types : <module 'ipywidgets.widgets.trait_types' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/trait_types.py'>weakref : <module 'weakref' from '/usr/lib/python3.4/weakref.py'>pygments.style : <module 'pygments.style' from '/usr/local/lib/python3.4/dist-packages/pygments/style.py'>pygments.lexers.python : <module 'pygments.lexers.python' from '/usr/local/lib/python3.4/dist-packages/pygments/lexers/python.py'>shutil : <module 'shutil' from '/usr/lib/python3.4/shutil.py'>ipykernel._version : <module 'ipykernel._version' from '/usr/local/lib/python3.4/dist-packages/ipykernel/_version.py'>ipykernel.comm.manager : <module 'ipykernel.comm.manager' from '/

usr/local/lib/python3.4/dist-packages/ipykernel/comm/manager.py'>base64 : <module 'base64' from '/usr/lib/python3.4/base64.py'>prompt_toolkit.token : <module 'prompt_toolkit.token' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/token.py'>email._policybase : <module 'email._policybase' from '/usr/lib/python3.4/email/_policybase.py'>prompt_toolkit.layout.screen : <module 'prompt_toolkit.layout.screen' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/layout/screen.py'>prompt_toolkit.layout.dimension : <module 'prompt_toolkit.layout.dimension' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/layout/dimension.py'>binascii : <module 'binascii' (built-in)>pygments.plugin : <module 'pygments.plugin' from '/usr/local/lib/python3.4/dist-packages/pygments/plugin.py'>pkg_resources.extern.packaging.version : <module 'pkg_resources.extern.packaging.version' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/packaging/version.py'>pkg_resources.extern.six.moves.urllib : <module 'pkg_resources._vendor.six.moves.urllib' (<pkg_resources._vendor.six._SixMetaPathImporter object at 0x7f9aa14950f0>)>ipywidgets.widgets.widget_box : <module 'ipywidgets.widgets.widget_box' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_box.py'>email.quoprimime : <module 'email.quoprimime' from '/usr/lib/python3.4/email/quoprimime.py'>multiprocessing : <module 'multiprocessing' from '/usr/lib/python3.4/multiprocessing/__init__.py'>prompt_toolkit.key_binding.bindings.named_commands : <module 'prompt_toolkit.key_binding.bindings.named_commands' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/bindings/named_commands.py'>warnings : <module 'warnings' from '/usr/lib/python3.4/warnings.py'>prompt_toolkit.completion : <module 'prompt_toolkit.completion' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/completion.py'>pickle : <module 'pickle' from '/usr/lib/python3.4/pickle.py'>zmq.utils : <module 'zmq.utils' from '/usr/lib/python3/dist-packages/zmq/utils/__init__.py'>site : <module 'site' from '/usr/lib/python3.4/site.py'>_sysconfigdata_m : <module '_sysconfigdata_m' from '/usr/lib/python3.4/plat-x86_64-linux-gnu/_sysconfigdata_m.py'>jupyter_client.clientabc : <module 'jupyter_client.clientabc' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/clientabc.py'>zmq.devices.monitoredqueuedevice : <module 'zmq.devices.monitoredqueuedevice' from '/usr/lib/python3/dist-packages/zmq/devices/monitoredqueuedevice.py'>ipywidgets.widgets.widget_selection : <module 'ipywidgets.widgets.widget_selection' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_selection.py'>json.encoder : <module 'json.encoder' from '/usr/lib/python3.4/json/encoder.py'>storemagic : <module 'storemagic' from '/usr/local/lib/python3.4/dist-packages/IPython/extensions/storemagic.py'>six : <module 'six' from '/usr/lib/python3/dist-packages/six.py'>xml : <module 'xml' from '/usr/lib/python3.4/xml/__init__.py'>_bz2 : <module '_bz2' from '/usr/lib/python3.4/lib-dynload/_bz2.cpython-34m-x86_64-linux-gnu.so'>prompt_toolkit.layout.lexers : <module 'prompt_toolkit.layout.lex

ers' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/layout/lexers.py'>six.moves : <module 'six.moves' (<six._SixMetaPathImporter object at 0x7f9aa0c8a160>)>tokenize : <module 'tokenize' from '/usr/lib/python3.4/tokenize.py'>__mp_main__ : <module 'ipykernel.__main__' from '/usr/local/lib/python3.4/dist-packages/ipykernel/__main__.py'>pygments.formatters.html : <module 'pygments.formatters.html' from '/usr/local/lib/python3.4/dist-packages/pygments/formatters/html.py'>prompt_toolkit.mouse_events : <module 'prompt_toolkit.mouse_events' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/mouse_events.py'>prompt_toolkit.buffer : <module 'prompt_toolkit.buffer' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/buffer.py'>ipython_genutils.importstring : <module 'ipython_genutils.importstring' from '/usr/local/lib/python3.4/dist-packages/ipython_genutils/importstring.py'>ipywidgets.widgets.widget_output : <module 'ipywidgets.widgets.widget_output' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_output.py'>queue : <module 'queue' from '/usr/lib/python3.4/queue.py'>jupyter_client.kernelspec : <module 'jupyter_client.kernelspec' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/kernelspec.py'>ipywidgets.widgets.widget_string : <module 'ipywidgets.widgets.widget_string' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_string.py'>prompt_toolkit.terminal.vt100_output : <module 'prompt_toolkit.terminal.vt100_output' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/terminal/vt100_output.py'>zmq.error : <module 'zmq.error' from '/usr/lib/python3/dist-packages/zmq/error.py'>_lsprof : <module '_lsprof' from '/usr/lib/python3.4/lib-dynload/_lsprof.cpython-34m-x86_64-linux-gnu.so'>ast : <module 'ast' from '/usr/lib/python3.4/ast.py'>apport_python_hook : <module 'apport_python_hook' from '/usr/lib/python3/dist-packages/apport_python_hook.py'>_weakref : <module '_weakref' (built-in)>zmq.sugar.attrsettr : <module 'zmq.sugar.attrsettr' from '/usr/lib/python3/dist-packages/zmq/sugar/attrsettr.py'>prompt_toolkit.eventloop : <module 'prompt_toolkit.eventloop' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/eventloop/__init__.py'>tty : <module 'tty' from '/usr/lib/python3.4/tty.py'>ipywidgets.widgets.widget_int : <module 'ipywidgets.widgets.widget_int' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_int.py'>os.path : <module 'posixpath' from '/usr/lib/python3.4/posixpath.py'>_datetime : <module '_datetime' (built-in)>platform : <module 'platform' from '/usr/lib/python3.4/platform.py'>jupyter_client.blocking : <module 'jupyter_client.blocking' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/blocking/__init__.py'>pkg_resources.extern.six : <module 'pkg_resources._vendor.six' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/six.py'>pprint : <module 'pprint' from '/usr/lib/python3.4/pprint.py'>

prompt_toolkit.filters : <module 'prompt_toolkit.filters' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/filters/__init__.py'>traitlets.traitlets : <module 'traitlets.traitlets' from '/usr/local/lib/python3.4/dist-packages/traitlets/traitlets.py'>uu : <module 'uu' from '/usr/lib/python3.4/uu.py'>tornado.ioloop : <module 'tornado.ioloop' from '/usr/lib/python3/dist-packages/tornado/ioloop.py'>pygments.unistring : <module 'pygments.unistring' from '/usr/local/lib/python3.4/dist-packages/pygments/unistring.py'>tornado : <module 'tornado' from '/usr/lib/python3/dist-packages/tornado/__init__.py'>math : <module 'math' (built-in)>prompt_toolkit.document : <module 'prompt_toolkit.document' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/document.py'>prompt_toolkit.clipboard.base : <module 'prompt_toolkit.clipboard.base' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/clipboard/base.py'>ipykernel.kernelapp : <module 'ipykernel.kernelapp' from '/usr/local/lib/python3.4/dist-packages/ipykernel/kernelapp.py'>pygments.regexopt : <module 'pygments.regexopt' from '/usr/local/lib/python3.4/dist-packages/pygments/regexopt.py'>prompt_toolkit.history : <module 'prompt_toolkit.history' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/history.py'>genericpath : <module 'genericpath' from '/usr/lib/python3.4/genericpath.py'>jupyter_client._version : <module 'jupyter_client._version' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/_version.py'>time : <module 'time' (built-in)>pickleshare : <module 'pickleshare' from '/usr/local/lib/python3.4/dist-packages/pickleshare.py'>email.header : <module 'email.header' from '/usr/lib/python3.4/email/header.py'>io : <module 'io' from '/usr/lib/python3.4/io.py'>prompt_toolkit.validation : <module 'prompt_toolkit.validation' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/validation.py'>zmq.devices.basedevice : <module 'zmq.devices.basedevice' from '/usr/lib/python3/dist-packages/zmq/devices/basedevice.py'>prompt_toolkit.layout.menus : <module 'prompt_toolkit.layout.menus' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/layout/menus.py'>zmq.sugar : <module 'zmq.sugar' from '/usr/lib/python3/dist-packages/zmq/sugar/__init__.py'>ipython_genutils.encoding : <module 'ipython_genutils.encoding' from '/usr/local/lib/python3.4/dist-packages/ipython_genutils/encoding.py'>uuid : <module 'uuid' from '/usr/lib/python3.4/uuid.py'>jupyter_client.multikernelmanager : <module 'jupyter_client.multikernelmanager' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/multikernelmanager.py'>pygments.styles.default : <module 'pygments.styles.default' from '/usr/local/lib/python3.4/dist-packages/pygments/styles/default.py'>ipython_genutils.py3compat : <module 'ipython_genutils.py3compat' from '/usr/local/lib/python3.4/dist-packages/ipython_genutils/py3compat.py'>bisect : <module 'bisect' from '/usr/lib/python3.4/bisect.py'>pkg_resources.extern.packaging.markers : <module 'pkg_resources.e

xtern.packaging.markers' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/packaging/markers.py'>zlib : <module 'zlib' (built-in)>pathlib : <module 'pathlib' from '/usr/lib/python3.4/pathlib.py'>array : <module 'array' (built-in)>_sitebuiltins : <module '_sitebuiltins' from '/usr/lib/python3.4/_sitebuiltins.py'>zmq.utils.constant_names : <module 'zmq.utils.constant_names' from '/usr/lib/python3/dist-packages/zmq/utils/constant_names.py'>email._parseaddr : <module 'email._parseaddr' from '/usr/lib/python3.4/email/_parseaddr.py'>pkg_resources._vendor.packaging.__about__ : <module 'pkg_resources._vendor.packaging.__about__' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/packaging/__about__.py'>collections : <module 'collections' from '/usr/lib/python3.4/collections/__init__.py'>prompt_toolkit.styles : <module 'prompt_toolkit.styles' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/styles/__init__.py'>tornado.platform.interface : <module 'tornado.platform.interface' from '/usr/lib/python3/dist-packages/tornado/platform/interface.py'>ipywidgets : <module 'ipywidgets' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/__init__.py'>pkg_resources.extern.six.moves : <module 'pkg_resources._vendor.six.moves' (<pkg_resources._vendor.six._SixMetaPathImporter object at 0x7f9aa14950f0>)>xml.parsers : <module 'xml.parsers' from '/usr/lib/python3.4/xml/parsers/__init__.py'>locale : <module 'locale' from '/usr/lib/python3.4/locale.py'>ipywidgets.widgets.widget_link : <module 'ipywidgets.widgets.widget_link' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_link.py'>traitlets.utils.importstring : <module 'traitlets.utils.importstring' from '/usr/local/lib/python3.4/dist-packages/traitlets/utils/importstring.py'>ipykernel.heartbeat : <module 'ipykernel.heartbeat' from '/usr/local/lib/python3.4/dist-packages/ipykernel/heartbeat.py'>zmq.utils.strtypes : <module 'zmq.utils.strtypes' from '/usr/lib/python3/dist-packages/zmq/utils/strtypes.py'>tornado.platform.auto : <module 'tornado.platform.auto' from '/usr/lib/python3/dist-packages/tornado/platform/auto.py'>prompt_toolkit.application : <module 'prompt_toolkit.application' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/application.py'>pyexpat.model : <module 'pyexpat.model'>jupyter_client.jsonutil : <module 'jupyter_client.jsonutil' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/jsonutil.py'>pydoc : <module 'pydoc' from '/usr/lib/python3.4/pydoc.py'>jupyter_client.channelsabc : <module 'jupyter_client.channelsabc' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/channelsabc.py'>zmq.backend.cython._version : <module 'zmq.backend.cython._version' from '/usr/lib/python3/dist-packages/zmq/backend/cython/_version.cpython-34m-x86_64-linux-gnu.so'>prompt_toolkit.keys : <module 'prompt_toolkit.keys' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/keys.py'>gettext : <module 'gettext' from '/usr/lib/python3.4/gettext.py'>encodings.utf_8 : <module 'encodings.utf_8' from '/usr/lib/python3.4/encodings/utf_8.py'>

jupyter_client.client : <module 'jupyter_client.client' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/client.py'>ipywidgets.widgets.widget_color : <module 'ipywidgets.widgets.widget_color' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_color.py'>prompt_toolkit.filters.base : <module 'prompt_toolkit.filters.base' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/filters/base.py'>prompt_toolkit.cache : <module 'prompt_toolkit.cache' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/cache.py'>ipywidgets.widgets.widget_button : <module 'ipywidgets.widgets.widget_button' from '/usr/local/lib/python3.4/dist-packages/ipywidgets/widgets/widget_button.py'>contextlib : <module 'contextlib' from '/usr/lib/python3.4/contextlib.py'>json.scanner : <module 'json.scanner' from '/usr/lib/python3.4/json/scanner.py'>email.message : <module 'email.message' from '/usr/lib/python3.4/email/message.py'>_codecs : <module '_codecs' (built-in)>pkg_resources.extern.appdirs : <module 'pkg_resources._vendor.appdirs' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/appdirs.py'>zmq.backend.cython._device : <module 'zmq.backend.cython._device' from '/usr/lib/python3/dist-packages/zmq/backend/cython/_device.cpython-34m-x86_64-linux-gnu.so'>pkg_resources.extern.packaging._compat : <module 'pkg_resources.extern.packaging._compat' from '/usr/local/lib/python3.4/dist-packages/pkg_resources/_vendor/packaging/_compat.py'>prompt_toolkit.key_binding.bindings.basic : <module 'prompt_toolkit.key_binding.bindings.basic' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/key_binding/bindings/basic.py'>pexpect : <module 'pexpect' from '/usr/lib/python3/dist-packages/pexpect/__init__.py'>concurrent : <module 'concurrent' from '/usr/lib/python3.4/concurrent/__init__.py'>_imp : <module '_imp' (built-in)>multiprocessing.context : <module 'multiprocessing.context' from '/usr/lib/python3.4/multiprocessing/context.py'>prompt_toolkit.enums : <module 'prompt_toolkit.enums' from '/usr/local/lib/python3.4/dist-packages/prompt_toolkit/enums.py'>_opcode : <module '_opcode' from '/usr/lib/python3.4/lib-dynload/_opcode.cpython-34m-x86_64-linux-gnu.so'>pygments.filter : <module 'pygments.filter' from '/usr/local/lib/python3.4/dist-packages/pygments/filter.py'>jupyter_client : <module 'jupyter_client' from '/usr/local/lib/python3.4/dist-packages/jupyter_client/__init__.py'>ipykernel.parentpoller : <module 'ipykernel.parentpoller' from '/usr/local/lib/python3.4/dist-packages/ipykernel/parentpoller.py'>fcntl : <module 'fcntl' (built-in)>

Wyrażenia regularne

Some people, when confronted with a problem, think "I know, I'll use regular expressions".Now they have two problems. (Jamie Zawinski, na comp.lang.emacs)

wymagają praktyki, dość trudne przy sporadycznym stosowaniuwyrażenie regularne to pewien wzorzec łańcucha znakówmoduł re pozwala sprawdzić, czy dany napis pasuje do wzorca lub go zawiera

Wybrane metaznaki

Metaznakami nazywamy symbole używane do budowania wzorców, które mają znaczenie inne niż dosłowne.Oto wybrane z nich:

"." ­ w trybie domyślnym każdy znak z wyjątkiem znaku nowej linii" " ­ początek napisu lub przeczenie w zbiorze znaków"$" ­ koniec napisu lub linii"*" ­ żadne lub więcej wystąpień poprzedzającego wyrażenia"+" ­ jedno lub więcej wystąpień poprzedzającego wyrażenia"?" ­ żadne lub jedno wystąpienie poprzedzającego wyrażenia"m" ­ m kopii poprzedzającego wyrażenia"m,n" ­ między m a n wystąpień poprzedzającego wyrażenia"\" ­ znak ucieczki"[]" ­ zbiór znaków (metaznaki wewnątrz zbioru traktowane dosłownie!)"\d" ­ dowolna cyfra, odpowiada klasie [0-9]"\D" ­ dowolny znak niebędący cyfrą ([0-9])"\s" ­ dowolny biały znak"\S" ­ dowolny znak niebędący białym znakiem"\w" ­ dowolny znak alfanumeryczny"\W" ­ dowolny znak niebędący znakiem alfanumerycznym"(...)" ­ wyrażenie regularne w nawiasie traktowane jako grupa; zawartość grupy może byćodczytana przy pomocy \number

Proste przykłady ­ wyszukiwanie grup cyfr

In [25]:

import retekst = "19/11/2015"

In [26]:

#szukamy grup cyfr w tekściem = re.match("(\d2)/(\d2)/(\d2,4)",tekst)

In [27]:

#wypisujemy trafienia na ekranprint(m.group(1,2,3))

In [28]:

#lub przypisujemy je zmiennymdzien, miesiac, rok = m.group(1,2,3)

In [29]:

dzien

In [30]:

miesiac

In [31]:

rok

Proste przykłady ­ zamiana tekstu

In [32]:

tekst = "To nie jest zabawne"

('19', '11', '2015')

Out[29]:

'19'

Out[30]:

'11'

Out[31]:

'2015'

In [34]:

#podmieniamy fragment tekstu dosłownie (string.replace szybsze!)print(re.sub("nie jest", "jest", tekst))

In [35]:

#wszystkie ciągi znaków niealfanumerycznych zastępujemy myślnikiemprint(re.sub("[\w]+","-",tekst))

In [36]:

#wszystkie słowa zastępujemy ciągiem znaków -BEEP-print(re.sub("\S+","-BEEP-",tekst))

Proste przykłady ­ wyszukiwanie tekstów

Załóżmy, że z danego tekstu chcemy wydobyć zawarte w nim adresy email. Teoretycznie powinienwystarczyć wzorzec "\w+@\w+". Rozważmy jednak przykład:

In [37]:

text = "to jest szum janusz-s@issp.pl znowu szum"match = re.search("\w+@\w+",text)if match: print(match.group())

Znaleziony adres jest niepełny, ponieważ "\w" w powyższym wzorcu nie trafia ani w "-" ani w ".". Spróbujmywykorzystać zakresy:

In [43]:

match = re.search("[\w._-]+@[\w._-]+",text)if match: print(match.group())

Jeżeli dodatkowo skorzystamy z grupowania, będziemy mogli odczytać oddzielnie nazwę użytkownika iadres skrzynki pocztowej:

To jest zabawne

To-nie-jest-zabawne

-BEEP- -BEEP- -BEEP- -BEEP-

s@issp

janusz-s@issp.pl

In [44]:

match = re.search("([\w._-]+)@([\w._-]+)",text)if match: print(match.group()) #całe trafienie print(match.group(1)) #pierwsza grupa (użytkownik) print(match.group(2)) #druga grupa (serwer)

Jeżeli w tekście jest więcej adresów:

In [47]:

text = "to jest szum janusz-s@issp.pl znowu szum jakub-p@issp.pl znowu szum wiktor-n@issp.pl i jeszcze szum"

emails = re.findall("[\w._-]+@[\w._-]+",text)for email in emails: print(email)

I to samo z podziałem na grupy:

In [49]:

text = "to jest szum janusz-s@issp.pl znowu szum jakub-p@issp.pl znowu szum wiktor-n@issp.pl i jeszcze szum"

tuples = re.findall("([\w._-]+)@([\w._-]+)",text)print(tuples)for tpl in tuples: print(tpl[0], " at ", tpl[1])

janusz-s@issp.pljanusz-sissp.pl

janusz-s@issp.pljakub-p@issp.plwiktor-n@issp.pl

[('janusz-s', 'issp.pl'), ('jakub-p', 'issp.pl'), ('wiktor-n', 'issp.pl')]janusz-s at issp.pljakub-p at issp.plwiktor-n at issp.pl

Określanie daty i czasu

Moduł time

różne funkcje związane z czasemnakładka na bibliotekę Cdwie reprezentacje czasu i daty:

liczba zmiennoprzecinkowa, czyli liczba sekund, jaka upłynęła od daty stanowiącej punktodniesienia (najczęściej 1.01.1970)krotka

In [50]:

import time

In [51]:

#sekundy...time.time()

In [52]:

#... które upłynęły odtime.gmtime(0)[:6]

In [53]:

#lokalny czastime.localtime()

In [54]:

#lub UTCtime.gmtime()

Czas i data jako napisy

Out[51]:

1473855562.3468814

Out[52]:

(1970, 1, 1, 0, 0, 0)

Out[53]:

time.struct_time(tm_year=2016, tm_mon=9, tm_mday=14, tm_hour=14, tm_min=19, tm_sec=26, tm_wday=2, tm_yday=258, tm_isdst=1)

Out[54]:

time.struct_time(tm_year=2016, tm_mon=9, tm_mday=14, tm_hour=12, tm_min=19, tm_sec=28, tm_wday=2, tm_yday=258, tm_isdst=0)

In [55]:

now = time.localtime(time.time())

In [56]:

print(now)

In [57]:

time.asctime(now)

In [58]:

time.strftime("%y/%m/%d %H:%M",now)

In [59]:

time.strftime("%A %b %d" , now )

In [60]:

time.strftime("%c" , now )

In [61]:

time.strftime("%I %p" , now )

In [62]:

time.strftime("%Y-%m-%d %H:%M %Z" , now )

Pomiar czasu

time.struct_time(tm_year=2016, tm_mon=9, tm_mday=14, tm_hour=14, tm_min=19, tm_sec=32, tm_wday=2, tm_yday=258, tm_isdst=1)

Out[57]:

'Wed Sep 14 14:19:32 2016'

Out[58]:

'16/09/14 14:19'

Out[59]:

'Wednesday Sep 14'

Out[60]:

'Wed Sep 14 14:19:32 2016'

Out[61]:

'02 PM'

Out[62]:

'2016-09-14 14:19 CEST'

In [ ]:

%load time_example.py

In [65]:

# plik: time_example.pyimport time

def procedure(): time.sleep(2.5)

# czas procesora, jaki został skonsumowany# przez proces ("process time")t0 = time.clock()procedure()t1 = time.clock()print("Czas procesora:", t1-t0, "s")

# rzeczywisty czas ("wall time")t0 = time.time()procedure()t1 = time.time()print("Rzeczywisty czas:", t1-t0, "s")

Uwaga! Nie wszystkie systemy (z Windows włącznie) mogą zmierzyć czas procesora. Funkcja clockpokaże wówczas czas rzeczywisty.

Moduł datetime ­ alternatywne podejście do czasu i daty

od wersji 2.3klasy do manipulowania datą i czasemwsparcie dla arytmetyki dat i czasuw porównaniu z time często wygodniejszy w użyciu

In [66]:

import datetime

In [68]:

#definiujemy jakąś datęt1 = datetime.datetime(2003,8,4,12,30,00)print(t1)

In [69]:

#aktualna datat2 = datetime.datetime.now()print(t2)

Czas procesora: 0.0018439999999999568 sRzeczywisty czas: 2.502800464630127 s

2003-08-04 12:30:00

2016-09-14 14:21:33.581499

In [70]:

#czy daty są takie same?t1 == t2

In [71]:

#ile dni upłynęło między nimi?print(t2-t1)

In [72]:

#zmiana formatut2.ctime()

Liczby losowe

generator Mersenne Twister o okresie jeden z najszerzej badanych generatorówszybki i o zaniedbywalnej korelacji między kolejnymi liczbamiw zupełności wystarcza do metod numerycznych i symulacji komputerowychnie nadaje się do kryptografii

In [74]:

import random

In [75]:

#generujemy pięć liczb zmiennoprzecinkowych z zakresu <0,1)for i in range(5): print(random.random())

− 1219937

Out[70]:

False

4790 days, 1:51:33.581499

Out[72]:

'Wed Sep 14 14:21:33 2016'

0.58203238281422840.86712290433887820.45600610309217560.073254861040661260.15592927486223385

In [76]:

#liczby losowe w przedziale <10,20)for i in range(5): print(random.uniform(10,20))

In [77]:

#liczby całkowite z przedziału <10,200)for i in range(5): print(random.randint(10,200))

In [78]:

#losowy wybór z listylista = [1,2,3,5,9]for i in range(5): print(random.choice(lista))

In [79]:

#losowy podzbiór listyprint(random.sample(lista,2))

In [80]:

#i jeszcze raz to samoprint(random.sample(lista,2))

17.22971968992067818.49697985906437518.0640943528624714.65727975129915917.114687866429218

511841652943

55132

[1, 5]

[2, 5]

In [81]:

#permutacjeperm = [1,2,3,4,5,6,7,8,9]random.shuffle(perm)print(perm)

In [83]:

#rozkład Gaussahistogram = [0] * 20for i in range (1000): k = int(random.gauss(5,1)*2) histogram[k] = histogram[k] + 1 m = max(histogram)for v in histogram: print("*"*int(v*50/m))

In [84]:

#jeśli za każdym razem chcemy tej samej sekwencji:random.seed(1)for i in range(5): print('%04.3f' % random.random())

[4, 1, 7, 3, 8, 5, 6, 9, 2]

**************************************************************************************************************************************************************************************************************************************************************

0.1340.8470.7640.2550.495

In [85]:

#jeszcze raz to samo w celu sprawdzenia:random.seed(1)for i in range(5): print('%04.3f' % random.random())

Inne przydatne moduły

Moduł argparse ­ parsowanie argumentów wywołania

Moduł argparse jest obecnie polecanym sposobem parsowania argumentów wywołania. Rozważmy prostyprogram:

In [86]:

!cat argparse_example.py

Spróbujmy wywołać ten program na kilka sposobów:

In [87]:

#bez argumentu!python3 argparse_example.py

In [88]:

#z argumentem help!python3 argparse_example.py --help

In [89]:

#z innym argumentem!python3 argparse_example.py --verbose

Dodajmy nowy element do listy argumentów programu:

0.1340.8470.7640.2550.495

import argparseparser = argparse.ArgumentParser()parser.parse_args()

usage: argparse_example.py [-h]

optional arguments: -h, --help show this help message and exit

usage: argparse_example.py [-h]argparse_example.py: error: unrecognized arguments: --verbose

In [91]:

!cat argparse_example2.py

In [96]:

!python3 argparse_example2.py --help

In [97]:

#a teraz tylko z nowym argumentem!python3 argparse_example2.py echo

In [98]:

#a teraz tylko z nowym argumentem!python3 argparse_example2.py "jakiś tekst"

Kolejny program ma za zadanie wyświetlić na ekranie kwadrat liczby podanej jako argument wywołania:

In [99]:

!cat argparse_example3.py

import argparseparser = argparse.ArgumentParser()parser.add_argument("echo", help="echo the argument")args = parser.parse_args()print(args.echo)

usage: argparse_example2.py [-h] echo

positional arguments: echo echo the argument

optional arguments: -h, --help show this help message and exit

echo

jakiś tekst

import argparseparser = argparse.ArgumentParser()parser.add_argument("square", help="display a square of a given number")args = parser.parse_args()print(args.square**2)

In [100]:

!python3 argparse_example3.py -h

In [101]:

#sprawdźmy, czy działa?!python3 argparse_example3.py 4

Program nie zadziałał, ponieważ wartości argumentów domyślnie traktowane są jako łańcuchy znaków.Można to jednak z łatwością zmienić:

In [102]:

!cat argparse_example3b.py

In [104]:

!python3 argparse_example3b.py 4

In [106]:

!python3 argparse_example3b.py 9

In [107]:

!python3 argparse_example3b.py 4.5

Powyższe przykłady dotyczyły tzw. argumentów pozycyjnych. Równie łatwo wprowadza się argumentyopcjonalne (flagi):

usage: argparse_example3.py [-h] square

positional arguments: square display a square of a given number

optional arguments: -h, --help show this help message and exit

Traceback (most recent call last): File "argparse_example3.py", line 5, in <module> print(args.square**2)TypeError: unsupported operand type(s) for ** or pow(): 'str' and 'int'

import argparseparser = argparse.ArgumentParser()parser.add_argument("square", help="display a square of a given number", type=int)args = parser.parse_args()print(args.square**2)

16

81

usage: argparse_example3b.py [-h] squareargparse_example3b.py: error: argument square: invalid int value: '4.5'

In [108]:

!cat argparse_example4.py

Rozważmy kilka wywołań powyższego skryptu:

In [109]:

#bez argumentów!python3 argparse_example4.py

In [110]:

#z pomocą!python3 argparse_example4.py --help

In [111]:

#z flagą i odpowiadającą jej wartością!python3 argparse_example4.py --verbosity 1

In [112]:

#z flagą i odpowiadającą jej wartością raz jeszcze!python3 argparse_example4.py --verbosity 0

In [113]:

#z flagą i odpowiadającą jej wartością raz jeszcze!python3 argparse_example4.py --verbosity True

In [114]:

#z flagą, ale bez wartości!python3 argparse_example4.py --verbosity

import argparseparser = argparse.ArgumentParser()parser.add_argument("--verbosity", help="increase output verbosity")args = parser.parse_args()if args.verbosity: print("verbosity turned on")

usage: argparse_example4.py [-h] [--verbosity VERBOSITY]

optional arguments: -h, --help show this help message and exit --verbosity VERBOSITY increase output verbosity

verbosity turned on

verbosity turned on

verbosity turned on

usage: argparse_example4.py [-h] [--verbosity VERBOSITY]argparse_example4.py: error: argument --verbosity: expected one argument

Modyfikując nieznacznie powyższy skrypt, nie będziemy musieli podawać wartości dla flagi ­­verbosity:

In [115]:

!cat argparse_example4b.py

In [116]:

#tekst pomocy uległ zmianie!python3 argparse_example4b.py --help

In [117]:

#wywołanie bez flagi!python3 argparse_example4b.py

In [118]:

#wywołanie z flagą bez wartości!python3 argparse_example4b.py --verbosity

In [121]:

#wywołanie z flagą i wartością !python3 argparse_example4b.py --verbosity 1

W porządnie napisanych programach nazwy flag można podawać w pełnej lub skróconej formie:

In [122]:

!cat argparse_example4c.py

import argparseparser = argparse.ArgumentParser()parser.add_argument("--verbosity", help="increase output verbosity", action="store_true")args = parser.parse_args()if args.verbosity: print("verbosity turned on")

usage: argparse_example4b.py [-h] [--verbosity]

optional arguments: -h, --help show this help message and exit --verbosity increase output verbosity

verbosity turned on

usage: argparse_example4b.py [-h] [--verbosity]argparse_example4b.py: error: unrecognized arguments: 1

import argparseparser = argparse.ArgumentParser()parser.add_argument("-v","--verbosity", help="increase output verbosity", action="store_true")args = parser.parse_args()if args.verbosity: print("verbosity turned on")

In [123]:

#tekst pomocy ponownie uległ zmianie!python3 argparse_example4c.py --help

In [124]:

#a skrypt zachowuje się jak uniksowy program!python3 argparse_example4c.py -v

In [125]:

!python3 argparse_example4c.py --verbosity

Możliwości modułu argparse są oczywiście dużo większe, niż wynikałoby to z powyższych przykładów.Pozwala on między innymi na:

łączenie argumentów pozycyjnych z opcjonalnymi,definiowanie zakresów wartości, jakie może przyjąć argument,zliczanie argumentów (np. -v, -vv, -vvv mogą oznaczać różne stopnie "dosłowności"),definiowanie wykluczających się argumentów.

Moduł csv ­ odczyt z i zapis do plików CSV

Rozważmy plik:

In [126]:

!cat csv_example.csv

Zamiast wczytywać go linia po linii i parsować każdy wiersz, możemy skorzystać z możliwości oferowanychprzez moduł csv:

usage: argparse_example4c.py [-h] [-v]

optional arguments: -h, --help show this help message and exit -v, --verbosity increase output verbosity

verbosity turned on

verbosity turned on

"Kolumna 1","Kolumna 2","Kolumna 3"1,"a",08/18/142,"b",08/19/143,"c",08/20/144,"d",08/21/145,"e",08/22/146,"f",08/23/147,"g",08/24/148,"h",08/25/149,"i",08/26/14

In [127]:

import csvf = open("csv_example.csv")reader = csv.reader(f)for row in reader: print(row)f.close()

Możemy również tworzyć pliki csv:

In [128]:

f = open("csv_example2.csv","w")writer = csv.writer(f)writer.writerow(('Col 1','Col 2', 'Col 3'))for i in range(9): writer.writerow( (i+1, chr(ord('a')+i), '08/%02d/14'%(i+1) ) )f.close()

In [129]:

!cat csv_example2.csv

In [130]:

# (prawie) to samo raz jeszczef = open("csv_example3.csv","w")writer = csv.writer(f,quoting=csv.QUOTE_NONNUMERIC)writer.writerow(('Col 1','Col 2', 'Col 3'))for i in range(9): writer.writerow( (i+1, chr(ord('a')+i), '08/%02d/14'%(i+1) ) )f.close()

['Kolumna 1', 'Kolumna 2', 'Kolumna 3']['1', 'a', '08/18/14']['2', 'b', '08/19/14']['3', 'c', '08/20/14']['4', 'd', '08/21/14']['5', 'e', '08/22/14']['6', 'f', '08/23/14']['7', 'g', '08/24/14']['8', 'h', '08/25/14']['9', 'i', '08/26/14']

In [131]:

!cat csv_example3.csv

Moduł zipfile ­ dostęp do archiwów zip

In [132]:

import zipfile

Przeglądanie zawartości archiwów

In [133]:

zf = zipfile.ZipFile("GreenTeaPress.zip","r")

In [134]:

#zawartość archiwumzf.namelist()

Dekompresja pojedynczego pliku

In [135]:

#plik docelowy w trybie binarnymf = open("tpython.pdf","wb")

In [136]:

#odczyt zawartości z archiwum i wpisanie jej do plikuf.write(zf.read('thinkpython.pdf'))f.close()

In [137]:

#zamknięcie archiwumzf.close()

Out[134]:

['thinkbayes.pdf', 'thinkcomplexity.pdf', 'thinkpython.pdf']

In [138]:

!ls *.pdf

Tworzenie nowego archiwum

In [139]:

zf = zipfile.ZipFile("python.zip","w")

In [140]:

import glob

In [141]:

#archiwizujemy wszystkie pliki o rozszerzeniu *.py for f in glob.glob('*.py'): zf.write(f)

In [142]:

zf.close()

In [143]:

#sprawdzamy efektzf = zipfile.ZipFile("python.zip","r")zf.namelist()

7_Biblioteka.pdf tpython.pdf

Out[143]:

['argparse_example3.py', 'przyklad2.py', 'argparse_example4c.py', 'sys_exit.py', 'time_example.py', 'sys-settrace.py', 'args.py', 'halo.py', 'argparse_example.py', 'argparse_example3b.py', 'getopt_example.py', 'hello.py', 'argparse_example2.py', 'argparse_example4b.py', 'argparse_example4.py', 'sys-setprofiler.py', 'getopt_example2.py']