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svn+ssh://pythondev@svn.python.org/python/trunk ........ r78351 | r.david.murray | 2010-02-22 19:24:49 -0500 (Mon, 22 Feb 2010) | 5 lines Issue 6292: for the moment at least, the test suite passes if run with -OO. Tests requiring docstrings are skipped. Patch by Brian Curtin, thanks to Matias Torchinsky for helping review and improve the patch. ........
358 lines
13 KiB
Python
358 lines
13 KiB
Python
import sys
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import os
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import os.path
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import difflib
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import subprocess
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import re
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import pydoc
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import inspect
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import unittest
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import test.support
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from contextlib import contextmanager
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from test.support import (
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TESTFN, forget, rmtree, EnvironmentVarGuard, reap_children)
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from test import pydoc_mod
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expected_text_pattern = \
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"""
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NAME
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test.pydoc_mod - This is a test module for test_pydoc
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FILE
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%s
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%s
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CLASSES
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builtins.object
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A
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B
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\x20\x20\x20\x20
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class A(builtins.object)
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| Hello and goodbye
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|\x20\x20
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| Methods defined here:
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|\x20\x20
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| __init__()
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| Wow, I have no function!
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|\x20\x20
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| ----------------------------------------------------------------------
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| Data descriptors defined here:
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|\x20\x20
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| __dict__
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| dictionary for instance variables (if defined)
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|\x20\x20
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| __weakref__
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| list of weak references to the object (if defined)
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\x20\x20\x20\x20
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class B(builtins.object)
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| Data descriptors defined here:
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|\x20\x20
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| __dict__
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| dictionary for instance variables (if defined)
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|\x20\x20
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| __weakref__
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| list of weak references to the object (if defined)
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|\x20\x20
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| ----------------------------------------------------------------------
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| Data and other attributes defined here:
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|\x20\x20
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| NO_MEANING = 'eggs'
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FUNCTIONS
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doc_func()
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This function solves all of the world's problems:
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hunger
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lack of Python
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war
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\x20\x20\x20\x20
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nodoc_func()
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DATA
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__author__ = 'Benjamin Peterson'
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__credits__ = 'Nobody'
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__version__ = '1.2.3.4'
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VERSION
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1.2.3.4
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AUTHOR
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Benjamin Peterson
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CREDITS
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Nobody
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""".strip()
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expected_html_pattern = \
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"""
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="heading">
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<tr bgcolor="#7799ee">
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<td valign=bottom> <br>
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<font color="#ffffff" face="helvetica, arial"> <br><big><big><strong><a href="test.html"><font color="#ffffff">test</font></a>.pydoc_mod</strong></big></big> (version 1.2.3.4)</font></td
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><td align=right valign=bottom
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><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="file:%s">%s</a>%s</font></td></tr></table>
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<p><tt>This is a test module for test_pydoc</tt></p>
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<p>
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
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<tr bgcolor="#ee77aa">
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<td colspan=3 valign=bottom> <br>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr>
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\x20\x20\x20\x20
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<tr><td bgcolor="#ee77aa"><tt> </tt></td><td> </td>
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<td width="100%%"><dl>
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<dt><font face="helvetica, arial"><a href="builtins.html#object">builtins.object</a>
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</font></dt><dd>
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<dl>
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<dt><font face="helvetica, arial"><a href="test.pydoc_mod.html#A">A</a>
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</font></dt><dt><font face="helvetica, arial"><a href="test.pydoc_mod.html#B">B</a>
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</font></dt></dl>
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</dd>
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</dl>
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<p>
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
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<tr bgcolor="#ffc8d8">
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<td colspan=3 valign=bottom> <br>
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<font color="#000000" face="helvetica, arial"><a name="A">class <strong>A</strong></a>(<a href="builtins.html#object">builtins.object</a>)</font></td></tr>
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\x20\x20\x20\x20
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<tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td>
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<td colspan=2><tt>Hello and goodbye<br> </tt></td></tr>
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<tr><td> </td>
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<td width="100%%">Methods defined here:<br>
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<dl><dt><a name="A-__init__"><strong>__init__</strong></a>()</dt><dd><tt>Wow, I have no function!</tt></dd></dl>
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<hr>
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Data descriptors defined here:<br>
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<dl><dt><strong>__dict__</strong></dt>
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<dd><tt>dictionary for instance variables (if defined)</tt></dd>
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</dl>
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<dl><dt><strong>__weakref__</strong></dt>
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<dd><tt>list of weak references to the object (if defined)</tt></dd>
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</dl>
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</td></tr></table> <p>
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
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<tr bgcolor="#ffc8d8">
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<td colspan=3 valign=bottom> <br>
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<font color="#000000" face="helvetica, arial"><a name="B">class <strong>B</strong></a>(<a href="builtins.html#object">builtins.object</a>)</font></td></tr>
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\x20\x20\x20\x20
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<tr><td bgcolor="#ffc8d8"><tt> </tt></td><td> </td>
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<td width="100%%">Data descriptors defined here:<br>
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<dl><dt><strong>__dict__</strong></dt>
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<dd><tt>dictionary for instance variables (if defined)</tt></dd>
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</dl>
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<dl><dt><strong>__weakref__</strong></dt>
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<dd><tt>list of weak references to the object (if defined)</tt></dd>
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</dl>
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<hr>
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Data and other attributes defined here:<br>
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<dl><dt><strong>NO_MEANING</strong> = 'eggs'</dl>
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</td></tr></table></td></tr></table><p>
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
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<tr bgcolor="#eeaa77">
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<td colspan=3 valign=bottom> <br>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Functions</strong></big></font></td></tr>
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\x20\x20\x20\x20
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<tr><td bgcolor="#eeaa77"><tt> </tt></td><td> </td>
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<td width="100%%"><dl><dt><a name="-doc_func"><strong>doc_func</strong></a>()</dt><dd><tt>This function solves all of the world's problems:<br>
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hunger<br>
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lack of Python<br>
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war</tt></dd></dl>
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<dl><dt><a name="-nodoc_func"><strong>nodoc_func</strong></a>()</dt></dl>
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</td></tr></table><p>
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
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<tr bgcolor="#55aa55">
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<td colspan=3 valign=bottom> <br>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Data</strong></big></font></td></tr>
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\x20\x20\x20\x20
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<tr><td bgcolor="#55aa55"><tt> </tt></td><td> </td>
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<td width="100%%"><strong>__author__</strong> = 'Benjamin Peterson'<br>
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<strong>__credits__</strong> = 'Nobody'<br>
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<strong>__version__</strong> = '1.2.3.4'</td></tr></table><p>
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
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<tr bgcolor="#7799ee">
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<td colspan=3 valign=bottom> <br>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Author</strong></big></font></td></tr>
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\x20\x20\x20\x20
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<tr><td bgcolor="#7799ee"><tt> </tt></td><td> </td>
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<td width="100%%">Benjamin Peterson</td></tr></table><p>
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
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<tr bgcolor="#7799ee">
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<td colspan=3 valign=bottom> <br>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Credits</strong></big></font></td></tr>
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\x20\x20\x20\x20
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<tr><td bgcolor="#7799ee"><tt> </tt></td><td> </td>
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<td width="100%%">Nobody</td></tr></table>
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""".strip()
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# output pattern for missing module
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missing_pattern = "no Python documentation found for '%s'"
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# output pattern for module with bad imports
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badimport_pattern = "problem in %s - ImportError: No module named %s"
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def run_pydoc(module_name, *args):
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"""
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Runs pydoc on the specified module. Returns the stripped
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output of pydoc.
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"""
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cmd = [sys.executable, pydoc.__file__, " ".join(args), module_name]
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try:
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output = subprocess.Popen(cmd, stdout=subprocess.PIPE).communicate()[0]
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return output.strip()
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finally:
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reap_children()
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def get_pydoc_html(module):
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"Returns pydoc generated output as html"
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doc = pydoc.HTMLDoc()
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output = doc.docmodule(module)
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loc = doc.getdocloc(pydoc_mod) or ""
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if loc:
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loc = "<br><a href=\"" + loc + "\">Module Docs</a>"
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return output.strip(), loc
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def get_pydoc_text(module):
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"Returns pydoc generated output as text"
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doc = pydoc.TextDoc()
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loc = doc.getdocloc(pydoc_mod) or ""
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if loc:
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loc = "\nMODULE DOCS\n " + loc + "\n"
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output = doc.docmodule(module)
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# cleanup the extra text formatting that pydoc preforms
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patt = re.compile('\b.')
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output = patt.sub('', output)
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return output.strip(), loc
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def print_diffs(text1, text2):
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"Prints unified diffs for two texts"
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lines1 = text1.splitlines(True)
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lines2 = text2.splitlines(True)
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diffs = difflib.unified_diff(lines1, lines2, n=0, fromfile='expected',
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tofile='got')
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print('\n' + ''.join(diffs))
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class PyDocDocTest(unittest.TestCase):
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@unittest.skipIf(sys.flags.optimize >= 2,
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"Docstrings are omitted with -O2 and above")
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def test_html_doc(self):
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result, doc_loc = get_pydoc_html(pydoc_mod)
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mod_file = inspect.getabsfile(pydoc_mod)
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if sys.platform == 'win32':
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import nturl2path
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mod_url = nturl2path.pathname2url(mod_file)
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else:
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mod_url = mod_file
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expected_html = expected_html_pattern % (mod_url, mod_file, doc_loc)
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if result != expected_html:
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print_diffs(expected_html, result)
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self.fail("outputs are not equal, see diff above")
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@unittest.skipIf(sys.flags.optimize >= 2,
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"Docstrings are omitted with -O2 and above")
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def test_text_doc(self):
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result, doc_loc = get_pydoc_text(pydoc_mod)
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expected_text = expected_text_pattern % \
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(inspect.getabsfile(pydoc_mod), doc_loc)
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if result != expected_text:
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print_diffs(expected_text, result)
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self.fail("outputs are not equal, see diff above")
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def test_not_here(self):
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missing_module = "test.i_am_not_here"
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result = str(run_pydoc(missing_module), 'ascii')
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expected = missing_pattern % missing_module
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self.assertEqual(expected, result,
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"documentation for missing module found")
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def test_badimport(self):
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# This tests the fix for issue 5230, where if pydoc found the module
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# but the module had an internal import error pydoc would report no doc
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# found.
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modname = 'testmod_xyzzy'
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testpairs = (
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('i_am_not_here', 'i_am_not_here'),
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('test.i_am_not_here_either', 'i_am_not_here_either'),
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('test.i_am_not_here.neither_am_i', 'i_am_not_here.neither_am_i'),
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('i_am_not_here.{}'.format(modname), 'i_am_not_here.{}'.format(modname)),
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('test.{}'.format(modname), modname),
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)
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@contextmanager
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def newdirinpath(dir):
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os.mkdir(dir)
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sys.path.insert(0, dir)
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yield
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sys.path.pop(0)
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rmtree(dir)
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with newdirinpath(TESTFN), EnvironmentVarGuard() as env:
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env['PYTHONPATH'] = TESTFN
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fullmodname = os.path.join(TESTFN, modname)
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sourcefn = fullmodname + os.extsep + "py"
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for importstring, expectedinmsg in testpairs:
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f = open(sourcefn, 'w')
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f.write("import {}\n".format(importstring))
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f.close()
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try:
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result = run_pydoc(modname).decode("ascii")
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finally:
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forget(modname)
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expected = badimport_pattern % (modname, expectedinmsg)
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self.assertEqual(expected, result)
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def test_input_strip(self):
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missing_module = " test.i_am_not_here "
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result = str(run_pydoc(missing_module), 'ascii')
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expected = missing_pattern % missing_module.strip()
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self.assertEqual(expected, result)
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def test_stripid(self):
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# test with strings, other implementations might have different repr()
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stripid = pydoc.stripid
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# strip the id
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self.assertEqual(stripid('<function stripid at 0x88dcee4>'),
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'<function stripid>')
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self.assertEqual(stripid('<function stripid at 0x01F65390>'),
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'<function stripid>')
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# nothing to strip, return the same text
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self.assertEqual(stripid('42'), '42')
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self.assertEqual(stripid("<type 'exceptions.Exception'>"),
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"<type 'exceptions.Exception'>")
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class TestDescriptions(unittest.TestCase):
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def test_module(self):
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# Check that pydocfodder module can be described
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from test import pydocfodder
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doc = pydoc.render_doc(pydocfodder)
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self.assertIn("pydocfodder", doc)
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def test_classic_class(self):
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class C: "Classic class"
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c = C()
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self.assertEqual(pydoc.describe(C), 'class C')
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self.assertEqual(pydoc.describe(c), 'C')
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expected = 'C in module %s' % __name__
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self.assertIn(expected, pydoc.render_doc(c))
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def test_class(self):
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class C(object): "New-style class"
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c = C()
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self.assertEqual(pydoc.describe(C), 'class C')
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self.assertEqual(pydoc.describe(c), 'C')
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expected = 'C in module %s object' % __name__
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self.assertIn(expected, pydoc.render_doc(c))
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def test_main():
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test.support.run_unittest(PyDocDocTest, TestDescriptions)
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if __name__ == "__main__":
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test_main()
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