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Removes any leading
and dedents.
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Returns the code block with any ``__future__`` import lines sorted, and
then any ``future`` import lines sorted, then any ``builtins`` import lines
sorted.
This only sorts the lines within the expected blocks.
See test_order_future_lines() for an example.
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from builtinssI internal usage error: dedent the code before calling order_future_lines()c S@ s t | � d k r t | � Sd S( Ni ( t lent max( t numbers( ( s5 /usr/lib/python2.7/site-packages/future/tests/base.pyt mymax7 s c S@ s& t | � d k r t | � St d � S( Ni t inf( R t mint float( R ( ( s5 /usr/lib/python2.7/site-packages/future/tests/base.pyt mymin: s s2 the __future__ and future imports are out of order( t splitt enumerateR t lstript AssertionErrort sortedt dictt zipt rangeR t appendt join( R t linest it linet uufuture_line_numberst future_line_numberst builtins_line_numbersR R t uult sorted_uufuture_linest flt sorted_future_linest blt sorted_builtins_linest new_lines( ( s5 /usr/lib/python2.7/site-packages/future/tests/base.pyt order_future_lines s:
### t VerboseCalledProcessErrorc B@ s# e Z d Z d d � Z d � Z RS( s�
Like CalledProcessError, but it displays more information (message and
script output) for diagnosing test failures etc.
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returncodet cmdt output( t selfR/ R0 R1 R2 ( ( s5 /usr/lib/python2.7/site-packages/future/tests/base.pyt __init__` s c C@ s d | j | j | j | j f S( Ns> Command '%s' failed with exit status %d
Message: %s
Output: %s( R1 R0 R/ R2 ( R3 ( ( s5 /usr/lib/python2.7/site-packages/future/tests/base.pyt __str__f s N( t __name__t
__module__t __doc__t NoneR4 R5 ( ( ( s5 /usr/lib/python2.7/site-packages/future/tests/base.pyR. [ s t
FuturizeErrorc B@ s e Z RS( ( R6 R7 ( ( ( s5 /usr/lib/python2.7/site-packages/future/tests/base.pyR: j s t PasteurizeErrorc B@ s e Z RS( ( R6 R7 ( ( ( s5 /usr/lib/python2.7/site-packages/future/tests/base.pyR; m s t CodeHandlerc B@ s� e Z d Z d � Z d e e e e e d � Z e d � Z d � Z d e e e e e d � Z d � Z
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Handy mixin for test classes for writing / reading / futurizing /
running .py files in the test suite.
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The outputs from the various futurize stages should have the
following headers:
s�
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
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from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
from future import standard_library
standard_library.install_aliases()
from builtins import *
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Converts the code block using ``futurize`` and returns the
resulting code.
Passing stages=[1] or stages=[2] passes the flag ``--stage1`` or
``stage2`` to ``futurize``. Passing both stages runs ``futurize``
with both stages by default.
If from3 is False, runs ``futurize``, converting from Python 2 to
both 2 and 3. If from3 is True, runs ``pasteurize`` to convert
from Python 3 to both 2 and 3.
Optionally reformats the code block first using the reformat() function.
If run is True, runs the resulting code under all Python
interpreters in self.interpreters.
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t _write_test_scriptt _futurize_test_scriptt _read_test_scriptRB t _run_test_script( R3 R RO RP RQ t reformatt runRR R2 RS t _( ( s5 /usr/lib/python2.7/site-packages/future/tests/base.pyt convert� s
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Compares whether the code blocks are equal. If not, raises an
exception so the test fails. Ignores any trailing whitespace like
blank lines.
If ignore_imports is True, passes the code blocks into the
strip_future_imports method.
If one code block is a unicode string and the other a
byte-string, it assumes the byte-string is encoded as utf-8.
s utf-8N( t strip_future_importst
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Strips any of these import lines:
from __future__ import <anything>
from future <anything>
from future.<anything>
from builtins <anything>
or any line containing:
install_hooks()
or:
install_aliases()
Limitation: doesn't handle imports split across multiple lines like
this:
from __future__ import (absolute_import, division, print_function,
unicode_literals)
s
s from __future__ import s from future s from builtins s install_hooks()s install_aliases()s from future.( R R R R ( R3 R R2 R" ( ( s5 /usr/lib/python2.7/site-packages/future/tests/base.pyR\ � s c C@ s� | j | d | d | d | d | d | �} | rT d | k rH | j n | j }
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Convenience method that calls convert() and compare().
Reformats the code blocks automatically using the reformat_code()
function.
If all_imports is passed, we add the appropriate import headers
for the stage(s) selected to the ``expected`` code-block, so they
needn't appear repeatedly in the test code.
If ignore_imports is True, ignores the presence of any lines
beginning:
from __future__ import ...
from future import ...
for the purpose of the comparison.
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Convenience method to ensure the code is unchanged by the
futurize process.
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Dedents the given code (a multiline string) and writes it out to
a file in a temporary folder like /tmp/tmpUDCn7x/mytestscript.py.
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If callable_obj is None, assertRaises/Warns is being used as a
context manager, so check for a 'msg' kwarg and return self.
If callable_obj is not None, call it passing args and kwargs.
R/ N( R9 t popR/ ( R3 t nameR� t argsRj ( ( s5 /usr/lib/python2.7/site-packages/future/tests/base.pyt handle� s
N( R6 R7 R9 R4 R� R� ( ( ( s5 /usr/lib/python2.7/site-packages/future/tests/base.pyR� � s t _AssertWarnsContextc B@ s e Z d Z d � Z d � Z RS( sB A context manager used to implement TestCase.assertWarns* methods.c C@ sv x5 t j j � D]$ } t | d d � r i | _ q q Wt j d t � | _ | j j
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j t | � � � n | j rU| j d j | | j � � n | j d j | � � d S( Ns "{}" does not match "{}"s {} not triggered by {}s {} not triggered( R� t __exit__R9 Rb R6 R� R� R� t messageR] R� R� t warningRq t linenoR� t formatR� R� ( R3 t exc_typet exc_valuet tbt exc_namet first_matchingt mt w( ( s5 /usr/lib/python2.7/site-packages/future/tests/base.pyR� � s8
( R6 R7 R8 R� R� ( ( ( s5 /usr/lib/python2.7/site-packages/future/tests/base.pyR� � s c O@ s( t | | | � } | j d | | | � S( s� Fail unless a warning of class warnClass is triggered
by callable_obj when invoked with arguments args and keyword
arguments kwargs. If a different type of warning is
triggered, it will not be handled: depending on the other
warning filtering rules in effect, it might be silenced, printed
out, or raised as an exception.
If called with callable_obj omitted or None, will return a
context object used like this::
with self.assertWarns(SomeWarning):
do_something()
An optional keyword argument 'msg' can be provided when assertWarns
is used as a context object.
The context manager keeps a reference to the first matching
warning as the 'warning' attribute; similarly, the 'filename'
and 'lineno' attributes give you information about the line
of Python code from which the warning was triggered.
This allows you to inspect the warning after the assertion::
with self.assertWarns(SomeWarning) as cm:
do_something()
the_warning = cm.warning
self.assertEqual(the_warning.some_attribute, 147)
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