mirror of
https://github.com/python/cpython.git
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611 lines
22 KiB
Python
611 lines
22 KiB
Python
import os
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import sys
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import builtins
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import difflib
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import inspect
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import pydoc
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import keyword
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import re
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import string
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import test.support
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import time
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import unittest
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import xml.etree
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import textwrap
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from io import StringIO
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from collections import namedtuple
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from test.script_helper import assert_python_ok
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from test.support import (
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TESTFN, rmtree,
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reap_children, reap_threads, captured_output, captured_stdout, unlink
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)
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from test import pydoc_mod
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try:
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import threading
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except ImportError:
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threading = None
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if test.support.HAVE_DOCSTRINGS:
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expected_data_docstrings = (
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'dictionary for instance variables (if defined)',
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'list of weak references to the object (if defined)',
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) * 2
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else:
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expected_data_docstrings = ('', '', '', '')
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expected_text_pattern = """
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NAME
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test.pydoc_mod - This is a test module for test_pydoc
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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__%s
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|\x20\x20
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| __weakref__%s
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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__%s
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|\x20\x20
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| __weakref__%s
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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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__xyz__ = 'X, Y and Z'
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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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FILE
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%s
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""".strip()
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expected_text_data_docstrings = tuple('\n | ' + s if s else ''
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for s in expected_data_docstrings)
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expected_html_pattern = """
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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>%s</tt></dd>
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</dl>
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<dl><dt><strong>__weakref__</strong></dt>
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<dd><tt>%s</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>%s</tt></dd>
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</dl>
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<dl><dt><strong>__weakref__</strong></dt>
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<dd><tt>%s</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>__xyz__</strong> = 'X, Y and Z'</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() # ' <- emacs turd
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expected_html_data_docstrings = tuple(s.replace(' ', ' ')
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for s in expected_data_docstrings)
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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 %r"
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def run_pydoc(module_name, *args, **env):
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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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args = args + (module_name,)
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# do not write bytecode files to avoid caching errors
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rc, out, err = assert_python_ok('-B', pydoc.__file__, *args, **env)
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return out.strip()
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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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# clean up the extra text formatting that pydoc performs
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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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# XXX now obsolete, use unittest built-in support
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lines1 = text1.splitlines(keepends=True)
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lines2 = text2.splitlines(keepends=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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def get_html_title(text):
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# Bit of hack, but good enough for test purposes
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header, _, _ = text.partition("</head>")
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_, _, title = header.partition("<title>")
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title, _, _ = title.partition("</title>")
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return title
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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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@unittest.skipIf(hasattr(sys, 'gettrace') and sys.gettrace(),
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'trace function introduces __locals__ unexpectedly')
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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 % (
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(mod_url, mod_file, doc_loc) +
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expected_html_data_docstrings)
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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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@unittest.skipIf(hasattr(sys, 'gettrace') and sys.gettrace(),
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'trace function introduces __locals__ unexpectedly')
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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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(doc_loc,) +
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expected_text_data_docstrings +
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(inspect.getabsfile(pydoc_mod),))
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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_issue8225(self):
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# Test issue8225 to ensure no doc link appears for xml.etree
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result, doc_loc = get_pydoc_text(xml.etree)
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self.assertEqual(doc_loc, "", "MODULE DOCS incorrectly includes a link")
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def test_non_str_name(self):
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# issue14638
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# Treat illegal (non-str) name like no name
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class A:
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__name__ = 42
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class B:
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pass
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adoc = pydoc.render_doc(A())
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bdoc = pydoc.render_doc(B())
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self.assertEqual(adoc.replace("A", "B"), bdoc)
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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_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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@unittest.skipIf(sys.flags.optimize >= 2,
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'Docstrings are omitted with -O2 and above')
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@unittest.skipIf(hasattr(sys, 'gettrace') and sys.gettrace(),
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'trace function introduces __locals__ unexpectedly')
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def test_help_output_redirect(self):
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# issue 940286, if output is set in Helper, then all output from
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# Helper.help should be redirected
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old_pattern = expected_text_pattern
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getpager_old = pydoc.getpager
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getpager_new = lambda: (lambda x: x)
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self.maxDiff = None
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buf = StringIO()
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helper = pydoc.Helper(output=buf)
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unused, doc_loc = get_pydoc_text(pydoc_mod)
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module = "test.pydoc_mod"
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help_header = """
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Help on module test.pydoc_mod in test:
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""".lstrip()
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help_header = textwrap.dedent(help_header)
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expected_help_pattern = help_header + expected_text_pattern
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pydoc.getpager = getpager_new
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try:
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with captured_output('stdout') as output, \
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captured_output('stderr') as err:
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helper.help(module)
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result = buf.getvalue().strip()
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expected_text = expected_help_pattern % (
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(doc_loc,) +
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expected_text_data_docstrings +
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(inspect.getabsfile(pydoc_mod),))
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self.assertEqual('', output.getvalue())
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self.assertEqual('', err.getvalue())
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self.assertEqual(expected_text, result)
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finally:
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pydoc.getpager = getpager_old
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def test_namedtuple_public_underscore(self):
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NT = namedtuple('NT', ['abc', 'def'], rename=True)
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with captured_stdout() as help_io:
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help(NT)
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helptext = help_io.getvalue()
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self.assertIn('_1', helptext)
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self.assertIn('_replace', helptext)
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self.assertIn('_asdict', helptext)
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def test_synopsis(self):
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self.addCleanup(unlink, TESTFN)
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for encoding in ('ISO-8859-1', 'UTF-8'):
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with open(TESTFN, 'w', encoding=encoding) as script:
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if encoding != 'UTF-8':
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print('#coding: {}'.format(encoding), file=script)
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print('"""line 1: h\xe9', file=script)
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print('line 2: hi"""', file=script)
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synopsis = pydoc.synopsis(TESTFN, {})
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self.assertEqual(synopsis, 'line 1: h\xe9')
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def test_splitdoc_with_description(self):
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example_string = "I Am A Doc\n\n\nHere is my description"
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self.assertEqual(pydoc.splitdoc(example_string),
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('I Am A Doc', '\nHere is my description'))
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def test_is_object_or_method(self):
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doc = pydoc.Doc()
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# Bound Method
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self.assertTrue(pydoc._is_some_method(doc.fail))
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# Method Descriptor
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self.assertTrue(pydoc._is_some_method(int.__add__))
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# String
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self.assertFalse(pydoc._is_some_method("I am not a method"))
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def test_is_package_when_not_package(self):
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with test.support.temp_cwd() as test_dir:
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self.assertFalse(pydoc.ispackage(test_dir))
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def test_is_package_when_is_package(self):
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with test.support.temp_cwd() as test_dir:
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init_path = os.path.join(test_dir, '__init__.py')
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open(init_path, 'w').close()
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self.assertTrue(pydoc.ispackage(test_dir))
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os.remove(init_path)
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def test_allmethods(self):
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# issue 17476: allmethods was no longer returning unbound methods.
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# This test is a bit fragile in the face of changes to object and type,
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# but I can't think of a better way to do it without duplicating the
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# logic of the function under test.
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class TestClass(object):
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def method_returning_true(self):
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return True
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# What we expect to get back: everything on object...
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expected = dict(vars(object))
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# ...plus our unbound method...
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expected['method_returning_true'] = TestClass.method_returning_true
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# ...but not the non-methods on object.
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del expected['__doc__']
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del expected['__class__']
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# inspect resolves descriptors on type into methods, but vars doesn't,
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# so we need to update __subclasshook__.
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expected['__subclasshook__'] = TestClass.__subclasshook__
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methods = pydoc.allmethods(TestClass)
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self.assertDictEqual(methods, expected)
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class PydocImportTest(unittest.TestCase):
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def setUp(self):
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self.test_dir = os.mkdir(TESTFN)
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self.addCleanup(rmtree, TESTFN)
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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'),
|
|
('test.i_am_not_here_either', 'test.i_am_not_here_either'),
|
|
('test.i_am_not_here.neither_am_i', 'test.i_am_not_here'),
|
|
('i_am_not_here.{}'.format(modname), 'i_am_not_here'),
|
|
('test.{}'.format(modname), 'test.{}'.format(modname)),
|
|
)
|
|
|
|
sourcefn = os.path.join(TESTFN, modname) + os.extsep + "py"
|
|
for importstring, expectedinmsg in testpairs:
|
|
with open(sourcefn, 'w') as f:
|
|
f.write("import {}\n".format(importstring))
|
|
result = run_pydoc(modname, PYTHONPATH=TESTFN).decode("ascii")
|
|
expected = badimport_pattern % (modname, expectedinmsg)
|
|
self.assertEqual(expected, result)
|
|
|
|
def test_apropos_with_bad_package(self):
|
|
# Issue 7425 - pydoc -k failed when bad package on path
|
|
pkgdir = os.path.join(TESTFN, "syntaxerr")
|
|
os.mkdir(pkgdir)
|
|
badsyntax = os.path.join(pkgdir, "__init__") + os.extsep + "py"
|
|
with open(badsyntax, 'w') as f:
|
|
f.write("invalid python syntax = $1\n")
|
|
result = run_pydoc('zqwykjv', '-k', PYTHONPATH=TESTFN)
|
|
self.assertEqual(b'', result)
|
|
|
|
def test_apropos_with_unreadable_dir(self):
|
|
# Issue 7367 - pydoc -k failed when unreadable dir on path
|
|
self.unreadable_dir = os.path.join(TESTFN, "unreadable")
|
|
os.mkdir(self.unreadable_dir, 0)
|
|
self.addCleanup(os.rmdir, self.unreadable_dir)
|
|
# Note, on Windows the directory appears to be still
|
|
# readable so this is not really testing the issue there
|
|
result = run_pydoc('zqwykjv', '-k', PYTHONPATH=TESTFN)
|
|
self.assertEqual(b'', result)
|
|
|
|
|
|
class TestDescriptions(unittest.TestCase):
|
|
|
|
def test_module(self):
|
|
# Check that pydocfodder module can be described
|
|
from test import pydocfodder
|
|
doc = pydoc.render_doc(pydocfodder)
|
|
self.assertIn("pydocfodder", doc)
|
|
|
|
def test_class(self):
|
|
class C: "New-style class"
|
|
c = C()
|
|
|
|
self.assertEqual(pydoc.describe(C), 'class C')
|
|
self.assertEqual(pydoc.describe(c), 'C')
|
|
expected = 'C in module %s object' % __name__
|
|
self.assertIn(expected, pydoc.render_doc(c))
|
|
|
|
def test_builtin(self):
|
|
for name in ('str', 'str.translate', 'builtins.str',
|
|
'builtins.str.translate'):
|
|
# test low-level function
|
|
self.assertIsNotNone(pydoc.locate(name))
|
|
# test high-level function
|
|
try:
|
|
pydoc.render_doc(name)
|
|
except ImportError:
|
|
self.fail('finding the doc of {!r} failed'.format(o))
|
|
|
|
for name in ('notbuiltins', 'strrr', 'strr.translate',
|
|
'str.trrrranslate', 'builtins.strrr',
|
|
'builtins.str.trrranslate'):
|
|
self.assertIsNone(pydoc.locate(name))
|
|
self.assertRaises(ImportError, pydoc.render_doc, name)
|
|
|
|
|
|
@unittest.skipUnless(threading, 'Threading required for this test.')
|
|
class PydocServerTest(unittest.TestCase):
|
|
"""Tests for pydoc._start_server"""
|
|
|
|
def test_server(self):
|
|
|
|
# Minimal test that starts the server, then stops it.
|
|
def my_url_handler(url, content_type):
|
|
text = 'the URL sent was: (%s, %s)' % (url, content_type)
|
|
return text
|
|
|
|
serverthread = pydoc._start_server(my_url_handler, port=0)
|
|
starttime = time.time()
|
|
timeout = 1 #seconds
|
|
|
|
while serverthread.serving:
|
|
time.sleep(.01)
|
|
if serverthread.serving and time.time() - starttime > timeout:
|
|
serverthread.stop()
|
|
break
|
|
|
|
self.assertEqual(serverthread.error, None)
|
|
|
|
|
|
class PydocUrlHandlerTest(unittest.TestCase):
|
|
"""Tests for pydoc._url_handler"""
|
|
|
|
def test_content_type_err(self):
|
|
f = pydoc._url_handler
|
|
self.assertRaises(TypeError, f, 'A', '')
|
|
self.assertRaises(TypeError, f, 'B', 'foobar')
|
|
|
|
def test_url_requests(self):
|
|
# Test for the correct title in the html pages returned.
|
|
# This tests the different parts of the URL handler without
|
|
# getting too picky about the exact html.
|
|
requests = [
|
|
("", "Pydoc: Index of Modules"),
|
|
("get?key=", "Pydoc: Index of Modules"),
|
|
("index", "Pydoc: Index of Modules"),
|
|
("topics", "Pydoc: Topics"),
|
|
("keywords", "Pydoc: Keywords"),
|
|
("pydoc", "Pydoc: module pydoc"),
|
|
("get?key=pydoc", "Pydoc: module pydoc"),
|
|
("search?key=pydoc", "Pydoc: Search Results"),
|
|
("topic?key=def", "Pydoc: KEYWORD def"),
|
|
("topic?key=STRINGS", "Pydoc: TOPIC STRINGS"),
|
|
("foobar", "Pydoc: Error - foobar"),
|
|
("getfile?key=foobar", "Pydoc: Error - getfile?key=foobar"),
|
|
]
|
|
|
|
for url, title in requests:
|
|
text = pydoc._url_handler(url, "text/html")
|
|
result = get_html_title(text)
|
|
self.assertEqual(result, title)
|
|
|
|
path = string.__file__
|
|
title = "Pydoc: getfile " + path
|
|
url = "getfile?key=" + path
|
|
text = pydoc._url_handler(url, "text/html")
|
|
result = get_html_title(text)
|
|
self.assertEqual(result, title)
|
|
|
|
|
|
class TestHelper(unittest.TestCase):
|
|
def test_keywords(self):
|
|
self.assertEqual(sorted(pydoc.Helper.keywords),
|
|
sorted(keyword.kwlist))
|
|
|
|
@reap_threads
|
|
def test_main():
|
|
try:
|
|
test.support.run_unittest(PydocDocTest,
|
|
PydocImportTest,
|
|
TestDescriptions,
|
|
PydocServerTest,
|
|
PydocUrlHandlerTest,
|
|
TestHelper,
|
|
)
|
|
finally:
|
|
reap_children()
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|