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			1625 lines
		
	
	
	
		
			56 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			1625 lines
		
	
	
	
		
			56 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import os
 | |
| import sys
 | |
| import contextlib
 | |
| import importlib.util
 | |
| import inspect
 | |
| import pydoc
 | |
| import py_compile
 | |
| import keyword
 | |
| import _pickle
 | |
| import pkgutil
 | |
| import re
 | |
| import stat
 | |
| import tempfile
 | |
| import test.support
 | |
| import types
 | |
| import typing
 | |
| import unittest
 | |
| import urllib.parse
 | |
| import xml.etree
 | |
| import xml.etree.ElementTree
 | |
| import textwrap
 | |
| from io import StringIO
 | |
| from collections import namedtuple
 | |
| from urllib.request import urlopen, urlcleanup
 | |
| from test.support import import_helper
 | |
| from test.support import os_helper
 | |
| from test.support.script_helper import assert_python_ok, assert_python_failure
 | |
| from test.support import threading_helper
 | |
| from test.support import (reap_children, captured_output, captured_stdout,
 | |
|                           captured_stderr, is_emscripten, is_wasi,
 | |
|                           requires_docstrings)
 | |
| from test.support.os_helper import (TESTFN, rmtree, unlink)
 | |
| from test import pydoc_mod
 | |
| 
 | |
| 
 | |
| class nonascii:
 | |
|     'Це не латиниця'
 | |
|     pass
 | |
| 
 | |
| if test.support.HAVE_DOCSTRINGS:
 | |
|     expected_data_docstrings = (
 | |
|         'dictionary for instance variables (if defined)',
 | |
|         'list of weak references to the object (if defined)',
 | |
|         ) * 2
 | |
| else:
 | |
|     expected_data_docstrings = ('', '', '', '')
 | |
| 
 | |
| expected_text_pattern = """
 | |
| NAME
 | |
|     test.pydoc_mod - This is a test module for test_pydoc
 | |
| %s
 | |
| CLASSES
 | |
|     builtins.object
 | |
|         A
 | |
|         B
 | |
|         C
 | |
| 
 | |
|     class A(builtins.object)
 | |
|      |  Hello and goodbye
 | |
|      |
 | |
|      |  Methods defined here:
 | |
|      |
 | |
|      |  __init__()
 | |
|      |      Wow, I have no function!
 | |
|      |
 | |
|      |  ----------------------------------------------------------------------
 | |
|      |  Data descriptors defined here:
 | |
|      |
 | |
|      |  __dict__%s
 | |
|      |
 | |
|      |  __weakref__%s
 | |
| 
 | |
|     class B(builtins.object)
 | |
|      |  Data descriptors defined here:
 | |
|      |
 | |
|      |  __dict__%s
 | |
|      |
 | |
|      |  __weakref__%s
 | |
|      |
 | |
|      |  ----------------------------------------------------------------------
 | |
|      |  Data and other attributes defined here:
 | |
|      |
 | |
|      |  NO_MEANING = 'eggs'
 | |
|      |
 | |
|      |  __annotations__ = {'NO_MEANING': <class 'str'>}
 | |
| 
 | |
|     class C(builtins.object)
 | |
|      |  Methods defined here:
 | |
|      |
 | |
|      |  get_answer(self)
 | |
|      |      Return say_no()
 | |
|      |
 | |
|      |  is_it_true(self)
 | |
|      |      Return self.get_answer()
 | |
|      |
 | |
|      |  say_no(self)
 | |
|      |
 | |
|      |  ----------------------------------------------------------------------
 | |
|      |  Class methods defined here:
 | |
|      |
 | |
|      |  __class_getitem__(item) from builtins.type
 | |
|      |
 | |
|      |  ----------------------------------------------------------------------
 | |
|      |  Data descriptors defined here:
 | |
|      |
 | |
|      |  __dict__
 | |
|      |      dictionary for instance variables (if defined)
 | |
|      |
 | |
|      |  __weakref__
 | |
|      |      list of weak references to the object (if defined)
 | |
| 
 | |
| FUNCTIONS
 | |
|     doc_func()
 | |
|         This function solves all of the world's problems:
 | |
|         hunger
 | |
|         lack of Python
 | |
|         war
 | |
| 
 | |
|     nodoc_func()
 | |
| 
 | |
| DATA
 | |
|     __xyz__ = 'X, Y and Z'
 | |
|     c_alias = test.pydoc_mod.C[int]
 | |
|     list_alias1 = typing.List[int]
 | |
|     list_alias2 = list[int]
 | |
|     type_union1 = typing.Union[int, str]
 | |
|     type_union2 = int | str
 | |
| 
 | |
| VERSION
 | |
|     1.2.3.4
 | |
| 
 | |
| AUTHOR
 | |
|     Benjamin Peterson
 | |
| 
 | |
| CREDITS
 | |
|     Nobody
 | |
| 
 | |
| FILE
 | |
|     %s
 | |
| """.strip()
 | |
| 
 | |
| expected_text_data_docstrings = tuple('\n     |      ' + s if s else ''
 | |
|                                       for s in expected_data_docstrings)
 | |
| 
 | |
| html2text_of_expected = """
 | |
| test.pydoc_mod (version 1.2.3.4)
 | |
| This is a test module for test_pydoc
 | |
| 
 | |
| Modules
 | |
|     types
 | |
|     typing
 | |
| 
 | |
| Classes
 | |
|     builtins.object
 | |
|     A
 | |
|     B
 | |
|     C
 | |
| 
 | |
| class A(builtins.object)
 | |
|     Hello and goodbye
 | |
| 
 | |
|     Methods defined here:
 | |
|         __init__()
 | |
|             Wow, I have no function!
 | |
| 
 | |
|     Data descriptors defined here:
 | |
|         __dict__
 | |
|             dictionary for instance variables (if defined)
 | |
|         __weakref__
 | |
|             list of weak references to the object (if defined)
 | |
| 
 | |
| class B(builtins.object)
 | |
|     Data descriptors defined here:
 | |
|         __dict__
 | |
|             dictionary for instance variables (if defined)
 | |
|         __weakref__
 | |
|             list of weak references to the object (if defined)
 | |
|     Data and other attributes defined here:
 | |
|         NO_MEANING = 'eggs'
 | |
|         __annotations__ = {'NO_MEANING': <class 'str'>}
 | |
| 
 | |
| 
 | |
| class C(builtins.object)
 | |
|     Methods defined here:
 | |
|         get_answer(self)
 | |
|             Return say_no()
 | |
|         is_it_true(self)
 | |
|             Return self.get_answer()
 | |
|         say_no(self)
 | |
|     Class methods defined here:
 | |
|         __class_getitem__(item) from builtins.type
 | |
|     Data descriptors defined here:
 | |
|         __dict__
 | |
|             dictionary for instance variables (if defined)
 | |
|         __weakref__
 | |
|              list of weak references to the object (if defined)
 | |
| 
 | |
| Functions
 | |
|     doc_func()
 | |
|         This function solves all of the world's problems:
 | |
|         hunger
 | |
|         lack of Python
 | |
|         war
 | |
|     nodoc_func()
 | |
| 
 | |
| Data
 | |
|     __xyz__ = 'X, Y and Z'
 | |
|     c_alias = test.pydoc_mod.C[int]
 | |
|     list_alias1 = typing.List[int]
 | |
|     list_alias2 = list[int]
 | |
|     type_union1 = typing.Union[int, str]
 | |
|     type_union2 = int | str
 | |
| 
 | |
| Author
 | |
|     Benjamin Peterson
 | |
| 
 | |
| Credits
 | |
|     Nobody
 | |
| """
 | |
| 
 | |
| expected_html_data_docstrings = tuple(s.replace(' ', ' ')
 | |
|                                       for s in expected_data_docstrings)
 | |
| 
 | |
| # output pattern for missing module
 | |
| missing_pattern = '''\
 | |
| No Python documentation found for %r.
 | |
| Use help() to get the interactive help utility.
 | |
| Use help(str) for help on the str class.'''.replace('\n', os.linesep)
 | |
| 
 | |
| # output pattern for module with bad imports
 | |
| badimport_pattern = "problem in %s - ModuleNotFoundError: No module named %r"
 | |
| 
 | |
| expected_dynamicattribute_pattern = """
 | |
| Help on class DA in module %s:
 | |
| 
 | |
| class DA(builtins.object)
 | |
|  |  Data descriptors defined here:
 | |
|  |
 | |
|  |  __dict__%s
 | |
|  |
 | |
|  |  __weakref__%s
 | |
|  |
 | |
|  |  ham
 | |
|  |
 | |
|  |  ----------------------------------------------------------------------
 | |
|  |  Data and other attributes inherited from Meta:
 | |
|  |
 | |
|  |  ham = 'spam'
 | |
| """.strip()
 | |
| 
 | |
| expected_virtualattribute_pattern1 = """
 | |
| Help on class Class in module %s:
 | |
| 
 | |
| class Class(builtins.object)
 | |
|  |  Data and other attributes inherited from Meta:
 | |
|  |
 | |
|  |  LIFE = 42
 | |
| """.strip()
 | |
| 
 | |
| expected_virtualattribute_pattern2 = """
 | |
| Help on class Class1 in module %s:
 | |
| 
 | |
| class Class1(builtins.object)
 | |
|  |  Data and other attributes inherited from Meta1:
 | |
|  |
 | |
|  |  one = 1
 | |
| """.strip()
 | |
| 
 | |
| expected_virtualattribute_pattern3 = """
 | |
| Help on class Class2 in module %s:
 | |
| 
 | |
| class Class2(Class1)
 | |
|  |  Method resolution order:
 | |
|  |      Class2
 | |
|  |      Class1
 | |
|  |      builtins.object
 | |
|  |
 | |
|  |  Data and other attributes inherited from Meta1:
 | |
|  |
 | |
|  |  one = 1
 | |
|  |
 | |
|  |  ----------------------------------------------------------------------
 | |
|  |  Data and other attributes inherited from Meta3:
 | |
|  |
 | |
|  |  three = 3
 | |
|  |
 | |
|  |  ----------------------------------------------------------------------
 | |
|  |  Data and other attributes inherited from Meta2:
 | |
|  |
 | |
|  |  two = 2
 | |
| """.strip()
 | |
| 
 | |
| expected_missingattribute_pattern = """
 | |
| Help on class C in module %s:
 | |
| 
 | |
| class C(builtins.object)
 | |
|  |  Data and other attributes defined here:
 | |
|  |
 | |
|  |  here = 'present!'
 | |
| """.strip()
 | |
| 
 | |
| def run_pydoc(module_name, *args, **env):
 | |
|     """
 | |
|     Runs pydoc on the specified module. Returns the stripped
 | |
|     output of pydoc.
 | |
|     """
 | |
|     args = args + (module_name,)
 | |
|     # do not write bytecode files to avoid caching errors
 | |
|     rc, out, err = assert_python_ok('-B', pydoc.__file__, *args, **env)
 | |
|     return out.strip()
 | |
| 
 | |
| def run_pydoc_fail(module_name, *args, **env):
 | |
|     """
 | |
|     Runs pydoc on the specified module expecting a failure.
 | |
|     """
 | |
|     args = args + (module_name,)
 | |
|     rc, out, err = assert_python_failure('-B', pydoc.__file__, *args, **env)
 | |
|     return out.strip()
 | |
| 
 | |
| def get_pydoc_html(module):
 | |
|     "Returns pydoc generated output as html"
 | |
|     doc = pydoc.HTMLDoc()
 | |
|     output = doc.docmodule(module)
 | |
|     loc = doc.getdocloc(pydoc_mod) or ""
 | |
|     if loc:
 | |
|         loc = "<br><a href=\"" + loc + "\">Module Docs</a>"
 | |
|     return output.strip(), loc
 | |
| 
 | |
| def get_pydoc_link(module):
 | |
|     "Returns a documentation web link of a module"
 | |
|     abspath = os.path.abspath
 | |
|     dirname = os.path.dirname
 | |
|     basedir = dirname(dirname(abspath(__file__)))
 | |
|     doc = pydoc.TextDoc()
 | |
|     loc = doc.getdocloc(module, basedir=basedir)
 | |
|     return loc
 | |
| 
 | |
| def get_pydoc_text(module):
 | |
|     "Returns pydoc generated output as text"
 | |
|     doc = pydoc.TextDoc()
 | |
|     loc = doc.getdocloc(pydoc_mod) or ""
 | |
|     if loc:
 | |
|         loc = "\nMODULE DOCS\n    " + loc + "\n"
 | |
| 
 | |
|     output = doc.docmodule(module)
 | |
| 
 | |
|     # clean up the extra text formatting that pydoc performs
 | |
|     patt = re.compile('\b.')
 | |
|     output = patt.sub('', output)
 | |
|     return output.strip(), loc
 | |
| 
 | |
| def get_html_title(text):
 | |
|     # Bit of hack, but good enough for test purposes
 | |
|     header, _, _ = text.partition("</head>")
 | |
|     _, _, title = header.partition("<title>")
 | |
|     title, _, _ = title.partition("</title>")
 | |
|     return title
 | |
| 
 | |
| 
 | |
| def html2text(html):
 | |
|     """A quick and dirty implementation of html2text.
 | |
| 
 | |
|     Tailored for pydoc tests only.
 | |
|     """
 | |
|     html = html.replace("<dd>", "\n")
 | |
|     html = re.sub("<.*?>", "", html)
 | |
|     html = pydoc.replace(html, " ", " ", ">", ">", "<", "<")
 | |
|     return html
 | |
| 
 | |
| 
 | |
| class PydocBaseTest(unittest.TestCase):
 | |
| 
 | |
|     def _restricted_walk_packages(self, walk_packages, path=None):
 | |
|         """
 | |
|         A version of pkgutil.walk_packages() that will restrict itself to
 | |
|         a given path.
 | |
|         """
 | |
|         default_path = path or [os.path.dirname(__file__)]
 | |
|         def wrapper(path=None, prefix='', onerror=None):
 | |
|             return walk_packages(path or default_path, prefix, onerror)
 | |
|         return wrapper
 | |
| 
 | |
|     @contextlib.contextmanager
 | |
|     def restrict_walk_packages(self, path=None):
 | |
|         walk_packages = pkgutil.walk_packages
 | |
|         pkgutil.walk_packages = self._restricted_walk_packages(walk_packages,
 | |
|                                                                path)
 | |
|         try:
 | |
|             yield
 | |
|         finally:
 | |
|             pkgutil.walk_packages = walk_packages
 | |
| 
 | |
|     def call_url_handler(self, url, expected_title):
 | |
|         text = pydoc._url_handler(url, "text/html")
 | |
|         result = get_html_title(text)
 | |
|         # Check the title to ensure an unexpected error page was not returned
 | |
|         self.assertEqual(result, expected_title, text)
 | |
|         return text
 | |
| 
 | |
| 
 | |
| class PydocDocTest(unittest.TestCase):
 | |
|     maxDiff = None
 | |
| 
 | |
|     @unittest.skipIf(hasattr(sys, 'gettrace') and sys.gettrace(),
 | |
|                      'trace function introduces __locals__ unexpectedly')
 | |
|     @requires_docstrings
 | |
|     def test_html_doc(self):
 | |
|         result, doc_loc = get_pydoc_html(pydoc_mod)
 | |
|         text_result = html2text(result)
 | |
|         text_lines = [line.strip() for line in text_result.splitlines()]
 | |
|         text_lines = [line for line in text_lines if line]
 | |
|         del text_lines[1]
 | |
|         expected_lines = html2text_of_expected.splitlines()
 | |
|         expected_lines = [line.strip() for line in expected_lines if line]
 | |
|         self.assertEqual(text_lines, expected_lines)
 | |
|         mod_file = inspect.getabsfile(pydoc_mod)
 | |
|         mod_url = urllib.parse.quote(mod_file)
 | |
|         self.assertIn(mod_url, result)
 | |
|         self.assertIn(mod_file, result)
 | |
|         self.assertIn(doc_loc, result)
 | |
| 
 | |
|     @unittest.skipIf(hasattr(sys, 'gettrace') and sys.gettrace(),
 | |
|                      'trace function introduces __locals__ unexpectedly')
 | |
|     @requires_docstrings
 | |
|     def test_text_doc(self):
 | |
|         result, doc_loc = get_pydoc_text(pydoc_mod)
 | |
|         expected_text = expected_text_pattern % (
 | |
|                         (doc_loc,) +
 | |
|                         expected_text_data_docstrings +
 | |
|                         (inspect.getabsfile(pydoc_mod),))
 | |
|         self.assertEqual(expected_text, result)
 | |
| 
 | |
|     def test_text_enum_member_with_value_zero(self):
 | |
|         # Test issue #20654 to ensure enum member with value 0 can be
 | |
|         # displayed. It used to throw KeyError: 'zero'.
 | |
|         import enum
 | |
|         class BinaryInteger(enum.IntEnum):
 | |
|             zero = 0
 | |
|             one = 1
 | |
|         doc = pydoc.render_doc(BinaryInteger)
 | |
|         self.assertIn('BinaryInteger.zero', doc)
 | |
| 
 | |
|     def test_mixed_case_module_names_are_lower_cased(self):
 | |
|         # issue16484
 | |
|         doc_link = get_pydoc_link(xml.etree.ElementTree)
 | |
|         self.assertIn('xml.etree.elementtree', doc_link)
 | |
| 
 | |
|     def test_issue8225(self):
 | |
|         # Test issue8225 to ensure no doc link appears for xml.etree
 | |
|         result, doc_loc = get_pydoc_text(xml.etree)
 | |
|         self.assertEqual(doc_loc, "", "MODULE DOCS incorrectly includes a link")
 | |
| 
 | |
|     def test_getpager_with_stdin_none(self):
 | |
|         previous_stdin = sys.stdin
 | |
|         try:
 | |
|             sys.stdin = None
 | |
|             pydoc.getpager() # Shouldn't fail.
 | |
|         finally:
 | |
|             sys.stdin = previous_stdin
 | |
| 
 | |
|     def test_non_str_name(self):
 | |
|         # issue14638
 | |
|         # Treat illegal (non-str) name like no name
 | |
| 
 | |
|         class A:
 | |
|             __name__ = 42
 | |
|         class B:
 | |
|             pass
 | |
|         adoc = pydoc.render_doc(A())
 | |
|         bdoc = pydoc.render_doc(B())
 | |
|         self.assertEqual(adoc.replace("A", "B"), bdoc)
 | |
| 
 | |
|     def test_not_here(self):
 | |
|         missing_module = "test.i_am_not_here"
 | |
|         result = str(run_pydoc_fail(missing_module), 'ascii')
 | |
|         expected = missing_pattern % missing_module
 | |
|         self.assertEqual(expected, result,
 | |
|             "documentation for missing module found")
 | |
| 
 | |
|     @requires_docstrings
 | |
|     def test_not_ascii(self):
 | |
|         result = run_pydoc('test.test_pydoc.nonascii', PYTHONIOENCODING='ascii')
 | |
|         encoded = nonascii.__doc__.encode('ascii', 'backslashreplace')
 | |
|         self.assertIn(encoded, result)
 | |
| 
 | |
|     def test_input_strip(self):
 | |
|         missing_module = " test.i_am_not_here "
 | |
|         result = str(run_pydoc_fail(missing_module), 'ascii')
 | |
|         expected = missing_pattern % missing_module.strip()
 | |
|         self.assertEqual(expected, result)
 | |
| 
 | |
|     def test_stripid(self):
 | |
|         # test with strings, other implementations might have different repr()
 | |
|         stripid = pydoc.stripid
 | |
|         # strip the id
 | |
|         self.assertEqual(stripid('<function stripid at 0x88dcee4>'),
 | |
|                          '<function stripid>')
 | |
|         self.assertEqual(stripid('<function stripid at 0x01F65390>'),
 | |
|                          '<function stripid>')
 | |
|         # nothing to strip, return the same text
 | |
|         self.assertEqual(stripid('42'), '42')
 | |
|         self.assertEqual(stripid("<type 'exceptions.Exception'>"),
 | |
|                          "<type 'exceptions.Exception'>")
 | |
| 
 | |
|     def test_builtin_with_more_than_four_children(self):
 | |
|         """Tests help on builtin object which have more than four child classes.
 | |
| 
 | |
|         When running help() on a builtin class which has child classes, it
 | |
|         should contain a "Built-in subclasses" section and only 4 classes
 | |
|         should be displayed with a hint on how many more subclasses are present.
 | |
|         For example:
 | |
| 
 | |
|         >>> help(object)
 | |
|         Help on class object in module builtins:
 | |
| 
 | |
|         class object
 | |
|          |  The most base type
 | |
|          |
 | |
|          |  Built-in subclasses:
 | |
|          |      async_generator
 | |
|          |      BaseException
 | |
|          |      builtin_function_or_method
 | |
|          |      bytearray
 | |
|          |      ... and 82 other subclasses
 | |
|         """
 | |
|         doc = pydoc.TextDoc()
 | |
|         text = doc.docclass(object)
 | |
|         snip = (" |  Built-in subclasses:\n"
 | |
|                 " |      async_generator\n"
 | |
|                 " |      BaseException\n"
 | |
|                 " |      builtin_function_or_method\n"
 | |
|                 " |      bytearray\n"
 | |
|                 " |      ... and \\d+ other subclasses")
 | |
|         self.assertRegex(text, snip)
 | |
| 
 | |
|     def test_builtin_with_child(self):
 | |
|         """Tests help on builtin object which have only child classes.
 | |
| 
 | |
|         When running help() on a builtin class which has child classes, it
 | |
|         should contain a "Built-in subclasses" section. For example:
 | |
| 
 | |
|         >>> help(ArithmeticError)
 | |
|         Help on class ArithmeticError in module builtins:
 | |
| 
 | |
|         class ArithmeticError(Exception)
 | |
|          |  Base class for arithmetic errors.
 | |
|          |
 | |
|          ...
 | |
|          |
 | |
|          |  Built-in subclasses:
 | |
|          |      FloatingPointError
 | |
|          |      OverflowError
 | |
|          |      ZeroDivisionError
 | |
|         """
 | |
|         doc = pydoc.TextDoc()
 | |
|         text = doc.docclass(ArithmeticError)
 | |
|         snip = (" |  Built-in subclasses:\n"
 | |
|                 " |      FloatingPointError\n"
 | |
|                 " |      OverflowError\n"
 | |
|                 " |      ZeroDivisionError")
 | |
|         self.assertIn(snip, text)
 | |
| 
 | |
|     def test_builtin_with_grandchild(self):
 | |
|         """Tests help on builtin classes which have grandchild classes.
 | |
| 
 | |
|         When running help() on a builtin class which has child classes, it
 | |
|         should contain a "Built-in subclasses" section. However, if it also has
 | |
|         grandchildren, these should not show up on the subclasses section.
 | |
|         For example:
 | |
| 
 | |
|         >>> help(Exception)
 | |
|         Help on class Exception in module builtins:
 | |
| 
 | |
|         class Exception(BaseException)
 | |
|          |  Common base class for all non-exit exceptions.
 | |
|          |
 | |
|          ...
 | |
|          |
 | |
|          |  Built-in subclasses:
 | |
|          |      ArithmeticError
 | |
|          |      AssertionError
 | |
|          |      AttributeError
 | |
|          ...
 | |
|         """
 | |
|         doc = pydoc.TextDoc()
 | |
|         text = doc.docclass(Exception)
 | |
|         snip = (" |  Built-in subclasses:\n"
 | |
|                 " |      ArithmeticError\n"
 | |
|                 " |      AssertionError\n"
 | |
|                 " |      AttributeError")
 | |
|         self.assertIn(snip, text)
 | |
|         # Testing that the grandchild ZeroDivisionError does not show up
 | |
|         self.assertNotIn('ZeroDivisionError', text)
 | |
| 
 | |
|     def test_builtin_no_child(self):
 | |
|         """Tests help on builtin object which have no child classes.
 | |
| 
 | |
|         When running help() on a builtin class which has no child classes, it
 | |
|         should not contain any "Built-in subclasses" section. For example:
 | |
| 
 | |
|         >>> help(ZeroDivisionError)
 | |
| 
 | |
|         Help on class ZeroDivisionError in module builtins:
 | |
| 
 | |
|         class ZeroDivisionError(ArithmeticError)
 | |
|          |  Second argument to a division or modulo operation was zero.
 | |
|          |
 | |
|          |  Method resolution order:
 | |
|          |      ZeroDivisionError
 | |
|          |      ArithmeticError
 | |
|          |      Exception
 | |
|          |      BaseException
 | |
|          |      object
 | |
|          |
 | |
|          |  Methods defined here:
 | |
|          ...
 | |
|         """
 | |
|         doc = pydoc.TextDoc()
 | |
|         text = doc.docclass(ZeroDivisionError)
 | |
|         # Testing that the subclasses section does not appear
 | |
|         self.assertNotIn('Built-in subclasses', text)
 | |
| 
 | |
|     def test_builtin_on_metaclasses(self):
 | |
|         """Tests help on metaclasses.
 | |
| 
 | |
|         When running help() on a metaclasses such as type, it
 | |
|         should not contain any "Built-in subclasses" section.
 | |
|         """
 | |
|         doc = pydoc.TextDoc()
 | |
|         text = doc.docclass(type)
 | |
|         # Testing that the subclasses section does not appear
 | |
|         self.assertNotIn('Built-in subclasses', text)
 | |
| 
 | |
|     @unittest.skipIf(hasattr(sys, 'gettrace') and sys.gettrace(),
 | |
|                      'trace function introduces __locals__ unexpectedly')
 | |
|     @requires_docstrings
 | |
|     def test_help_output_redirect(self):
 | |
|         # issue 940286, if output is set in Helper, then all output from
 | |
|         # Helper.help should be redirected
 | |
|         getpager_old = pydoc.getpager
 | |
|         getpager_new = lambda: (lambda x: x)
 | |
|         self.maxDiff = None
 | |
| 
 | |
|         buf = StringIO()
 | |
|         helper = pydoc.Helper(output=buf)
 | |
|         unused, doc_loc = get_pydoc_text(pydoc_mod)
 | |
|         module = "test.pydoc_mod"
 | |
|         help_header = """
 | |
|         Help on module test.pydoc_mod in test:
 | |
| 
 | |
|         """.lstrip()
 | |
|         help_header = textwrap.dedent(help_header)
 | |
|         expected_help_pattern = help_header + expected_text_pattern
 | |
| 
 | |
|         pydoc.getpager = getpager_new
 | |
|         try:
 | |
|             with captured_output('stdout') as output, \
 | |
|                  captured_output('stderr') as err:
 | |
|                 helper.help(module)
 | |
|                 result = buf.getvalue().strip()
 | |
|                 expected_text = expected_help_pattern % (
 | |
|                                 (doc_loc,) +
 | |
|                                 expected_text_data_docstrings +
 | |
|                                 (inspect.getabsfile(pydoc_mod),))
 | |
|                 self.assertEqual('', output.getvalue())
 | |
|                 self.assertEqual('', err.getvalue())
 | |
|                 self.assertEqual(expected_text, result)
 | |
|         finally:
 | |
|             pydoc.getpager = getpager_old
 | |
| 
 | |
|     def test_namedtuple_fields(self):
 | |
|         Person = namedtuple('Person', ['nickname', 'firstname'])
 | |
|         with captured_stdout() as help_io:
 | |
|             pydoc.help(Person)
 | |
|         helptext = help_io.getvalue()
 | |
|         self.assertIn("nickname", helptext)
 | |
|         self.assertIn("firstname", helptext)
 | |
|         self.assertIn("Alias for field number 0", helptext)
 | |
|         self.assertIn("Alias for field number 1", helptext)
 | |
| 
 | |
|     def test_namedtuple_public_underscore(self):
 | |
|         NT = namedtuple('NT', ['abc', 'def'], rename=True)
 | |
|         with captured_stdout() as help_io:
 | |
|             pydoc.help(NT)
 | |
|         helptext = help_io.getvalue()
 | |
|         self.assertIn('_1', helptext)
 | |
|         self.assertIn('_replace', helptext)
 | |
|         self.assertIn('_asdict', helptext)
 | |
| 
 | |
|     def test_synopsis(self):
 | |
|         self.addCleanup(unlink, TESTFN)
 | |
|         for encoding in ('ISO-8859-1', 'UTF-8'):
 | |
|             with open(TESTFN, 'w', encoding=encoding) as script:
 | |
|                 if encoding != 'UTF-8':
 | |
|                     print('#coding: {}'.format(encoding), file=script)
 | |
|                 print('"""line 1: h\xe9', file=script)
 | |
|                 print('line 2: hi"""', file=script)
 | |
|             synopsis = pydoc.synopsis(TESTFN, {})
 | |
|             self.assertEqual(synopsis, 'line 1: h\xe9')
 | |
| 
 | |
|     @requires_docstrings
 | |
|     def test_synopsis_sourceless(self):
 | |
|         os = import_helper.import_fresh_module('os')
 | |
|         expected = os.__doc__.splitlines()[0]
 | |
|         filename = os.__spec__.cached
 | |
|         synopsis = pydoc.synopsis(filename)
 | |
| 
 | |
|         self.assertEqual(synopsis, expected)
 | |
| 
 | |
|     def test_synopsis_sourceless_empty_doc(self):
 | |
|         with os_helper.temp_cwd() as test_dir:
 | |
|             init_path = os.path.join(test_dir, 'foomod42.py')
 | |
|             cached_path = importlib.util.cache_from_source(init_path)
 | |
|             with open(init_path, 'w') as fobj:
 | |
|                 fobj.write("foo = 1")
 | |
|             py_compile.compile(init_path)
 | |
|             synopsis = pydoc.synopsis(init_path, {})
 | |
|             self.assertIsNone(synopsis)
 | |
|             synopsis_cached = pydoc.synopsis(cached_path, {})
 | |
|             self.assertIsNone(synopsis_cached)
 | |
| 
 | |
|     def test_splitdoc_with_description(self):
 | |
|         example_string = "I Am A Doc\n\n\nHere is my description"
 | |
|         self.assertEqual(pydoc.splitdoc(example_string),
 | |
|                          ('I Am A Doc', '\nHere is my description'))
 | |
| 
 | |
|     def test_is_package_when_not_package(self):
 | |
|         with os_helper.temp_cwd() as test_dir:
 | |
|             self.assertFalse(pydoc.ispackage(test_dir))
 | |
| 
 | |
|     def test_is_package_when_is_package(self):
 | |
|         with os_helper.temp_cwd() as test_dir:
 | |
|             init_path = os.path.join(test_dir, '__init__.py')
 | |
|             open(init_path, 'w').close()
 | |
|             self.assertTrue(pydoc.ispackage(test_dir))
 | |
|             os.remove(init_path)
 | |
| 
 | |
|     def test_allmethods(self):
 | |
|         # issue 17476: allmethods was no longer returning unbound methods.
 | |
|         # This test is a bit fragile in the face of changes to object and type,
 | |
|         # but I can't think of a better way to do it without duplicating the
 | |
|         # logic of the function under test.
 | |
| 
 | |
|         class TestClass(object):
 | |
|             def method_returning_true(self):
 | |
|                 return True
 | |
| 
 | |
|         # What we expect to get back: everything on object...
 | |
|         expected = dict(vars(object))
 | |
|         # ...plus our unbound method...
 | |
|         expected['method_returning_true'] = TestClass.method_returning_true
 | |
|         # ...but not the non-methods on object.
 | |
|         del expected['__doc__']
 | |
|         del expected['__class__']
 | |
|         # inspect resolves descriptors on type into methods, but vars doesn't,
 | |
|         # so we need to update __subclasshook__ and __init_subclass__.
 | |
|         expected['__subclasshook__'] = TestClass.__subclasshook__
 | |
|         expected['__init_subclass__'] = TestClass.__init_subclass__
 | |
| 
 | |
|         methods = pydoc.allmethods(TestClass)
 | |
|         self.assertDictEqual(methods, expected)
 | |
| 
 | |
|     @requires_docstrings
 | |
|     def test_method_aliases(self):
 | |
|         class A:
 | |
|             def tkraise(self, aboveThis=None):
 | |
|                 """Raise this widget in the stacking order."""
 | |
|             lift = tkraise
 | |
|             def a_size(self):
 | |
|                 """Return size"""
 | |
|         class B(A):
 | |
|             def itemconfigure(self, tagOrId, cnf=None, **kw):
 | |
|                 """Configure resources of an item TAGORID."""
 | |
|             itemconfig = itemconfigure
 | |
|             b_size = A.a_size
 | |
| 
 | |
|         doc = pydoc.render_doc(B)
 | |
|         # clean up the extra text formatting that pydoc performs
 | |
|         doc = re.sub('\b.', '', doc)
 | |
|         self.assertEqual(doc, '''\
 | |
| Python Library Documentation: class B in module %s
 | |
| 
 | |
| class B(A)
 | |
|  |  Method resolution order:
 | |
|  |      B
 | |
|  |      A
 | |
|  |      builtins.object
 | |
|  |
 | |
|  |  Methods defined here:
 | |
|  |
 | |
|  |  b_size = a_size(self)
 | |
|  |
 | |
|  |  itemconfig = itemconfigure(self, tagOrId, cnf=None, **kw)
 | |
|  |
 | |
|  |  itemconfigure(self, tagOrId, cnf=None, **kw)
 | |
|  |      Configure resources of an item TAGORID.
 | |
|  |
 | |
|  |  ----------------------------------------------------------------------
 | |
|  |  Methods inherited from A:
 | |
|  |
 | |
|  |  a_size(self)
 | |
|  |      Return size
 | |
|  |
 | |
|  |  lift = tkraise(self, aboveThis=None)
 | |
|  |
 | |
|  |  tkraise(self, aboveThis=None)
 | |
|  |      Raise this widget in the stacking order.
 | |
|  |
 | |
|  |  ----------------------------------------------------------------------
 | |
|  |  Data descriptors inherited from A:
 | |
|  |
 | |
|  |  __dict__
 | |
|  |      dictionary for instance variables (if defined)
 | |
|  |
 | |
|  |  __weakref__
 | |
|  |      list of weak references to the object (if defined)
 | |
| ''' % __name__)
 | |
| 
 | |
|         doc = pydoc.render_doc(B, renderer=pydoc.HTMLDoc())
 | |
|         expected_text = f"""
 | |
| Python Library Documentation
 | |
| 
 | |
| class B in module {__name__}
 | |
| class B(A)
 | |
|     Method resolution order:
 | |
|         B
 | |
|         A
 | |
|         builtins.object
 | |
| 
 | |
|     Methods defined here:
 | |
|         b_size = a_size(self)
 | |
|         itemconfig = itemconfigure(self, tagOrId, cnf=None, **kw)
 | |
|         itemconfigure(self, tagOrId, cnf=None, **kw)
 | |
|             Configure resources of an item TAGORID.
 | |
| 
 | |
|     Methods inherited from A:
 | |
|         a_size(self)
 | |
|             Return size
 | |
|         lift = tkraise(self, aboveThis=None)
 | |
|         tkraise(self, aboveThis=None)
 | |
|             Raise this widget in the stacking order.
 | |
| 
 | |
|     Data descriptors inherited from A:
 | |
|         __dict__
 | |
|             dictionary for instance variables (if defined)
 | |
|         __weakref__
 | |
|             list of weak references to the object (if defined)
 | |
| """
 | |
|         as_text = html2text(doc)
 | |
|         expected_lines = [line.strip() for line in expected_text.split("\n") if line]
 | |
|         for expected_line in expected_lines:
 | |
|             self.assertIn(expected_line, as_text)
 | |
| 
 | |
|     def test__future__imports(self):
 | |
|         # __future__ features are excluded from module help,
 | |
|         # except when it's the __future__ module itself
 | |
|         import __future__
 | |
|         future_text, _ = get_pydoc_text(__future__)
 | |
|         future_html, _ = get_pydoc_html(__future__)
 | |
|         pydoc_mod_text, _ = get_pydoc_text(pydoc_mod)
 | |
|         pydoc_mod_html, _ = get_pydoc_html(pydoc_mod)
 | |
| 
 | |
|         for feature in __future__.all_feature_names:
 | |
|             txt = f"{feature} = _Feature"
 | |
|             html = f"<strong>{feature}</strong> = _Feature"
 | |
|             self.assertIn(txt, future_text)
 | |
|             self.assertIn(html, future_html)
 | |
|             self.assertNotIn(txt, pydoc_mod_text)
 | |
|             self.assertNotIn(html, pydoc_mod_html)
 | |
| 
 | |
| 
 | |
| class PydocImportTest(PydocBaseTest):
 | |
| 
 | |
|     def setUp(self):
 | |
|         self.test_dir = os.mkdir(TESTFN)
 | |
|         self.addCleanup(rmtree, TESTFN)
 | |
|         importlib.invalidate_caches()
 | |
| 
 | |
|     def test_badimport(self):
 | |
|         # This tests the fix for issue 5230, where if pydoc found the module
 | |
|         # but the module had an internal import error pydoc would report no doc
 | |
|         # found.
 | |
|         modname = 'testmod_xyzzy'
 | |
|         testpairs = (
 | |
|             ('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_fail(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")
 | |
|         with self.restrict_walk_packages(path=[TESTFN]):
 | |
|             with captured_stdout() as out:
 | |
|                 with captured_stderr() as err:
 | |
|                     pydoc.apropos('xyzzy')
 | |
|             # No result, no error
 | |
|             self.assertEqual(out.getvalue(), '')
 | |
|             self.assertEqual(err.getvalue(), '')
 | |
|             # The package name is still matched
 | |
|             with captured_stdout() as out:
 | |
|                 with captured_stderr() as err:
 | |
|                     pydoc.apropos('syntaxerr')
 | |
|             self.assertEqual(out.getvalue().strip(), 'syntaxerr')
 | |
|             self.assertEqual(err.getvalue(), '')
 | |
| 
 | |
|     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
 | |
|         with self.restrict_walk_packages(path=[TESTFN]):
 | |
|             with captured_stdout() as out:
 | |
|                 with captured_stderr() as err:
 | |
|                     pydoc.apropos('SOMEKEY')
 | |
|         # No result, no error
 | |
|         self.assertEqual(out.getvalue(), '')
 | |
|         self.assertEqual(err.getvalue(), '')
 | |
| 
 | |
|     @os_helper.skip_unless_working_chmod
 | |
|     @unittest.skipIf(is_emscripten, "cannot remove x bit")
 | |
|     def test_apropos_empty_doc(self):
 | |
|         pkgdir = os.path.join(TESTFN, 'walkpkg')
 | |
|         os.mkdir(pkgdir)
 | |
|         self.addCleanup(rmtree, pkgdir)
 | |
|         init_path = os.path.join(pkgdir, '__init__.py')
 | |
|         with open(init_path, 'w') as fobj:
 | |
|             fobj.write("foo = 1")
 | |
|         current_mode = stat.S_IMODE(os.stat(pkgdir).st_mode)
 | |
|         try:
 | |
|             os.chmod(pkgdir, current_mode & ~stat.S_IEXEC)
 | |
|             with self.restrict_walk_packages(path=[TESTFN]), captured_stdout() as stdout:
 | |
|                 pydoc.apropos('')
 | |
|             self.assertIn('walkpkg', stdout.getvalue())
 | |
|         finally:
 | |
|             os.chmod(pkgdir, current_mode)
 | |
| 
 | |
|     def test_url_search_package_error(self):
 | |
|         # URL handler search should cope with packages that raise exceptions
 | |
|         pkgdir = os.path.join(TESTFN, "test_error_package")
 | |
|         os.mkdir(pkgdir)
 | |
|         init = os.path.join(pkgdir, "__init__.py")
 | |
|         with open(init, "wt", encoding="ascii") as f:
 | |
|             f.write("""raise ValueError("ouch")\n""")
 | |
|         with self.restrict_walk_packages(path=[TESTFN]):
 | |
|             # Package has to be importable for the error to have any effect
 | |
|             saved_paths = tuple(sys.path)
 | |
|             sys.path.insert(0, TESTFN)
 | |
|             try:
 | |
|                 with self.assertRaisesRegex(ValueError, "ouch"):
 | |
|                     import test_error_package  # Sanity check
 | |
| 
 | |
|                 text = self.call_url_handler("search?key=test_error_package",
 | |
|                     "Pydoc: Search Results")
 | |
|                 found = ('<a href="test_error_package.html">'
 | |
|                     'test_error_package</a>')
 | |
|                 self.assertIn(found, text)
 | |
|             finally:
 | |
|                 sys.path[:] = saved_paths
 | |
| 
 | |
|     @unittest.skip('causes undesirable side-effects (#20128)')
 | |
|     def test_modules(self):
 | |
|         # See Helper.listmodules().
 | |
|         num_header_lines = 2
 | |
|         num_module_lines_min = 5  # Playing it safe.
 | |
|         num_footer_lines = 3
 | |
|         expected = num_header_lines + num_module_lines_min + num_footer_lines
 | |
| 
 | |
|         output = StringIO()
 | |
|         helper = pydoc.Helper(output=output)
 | |
|         helper('modules')
 | |
|         result = output.getvalue().strip()
 | |
|         num_lines = len(result.splitlines())
 | |
| 
 | |
|         self.assertGreaterEqual(num_lines, expected)
 | |
| 
 | |
|     @unittest.skip('causes undesirable side-effects (#20128)')
 | |
|     def test_modules_search(self):
 | |
|         # See Helper.listmodules().
 | |
|         expected = 'pydoc - '
 | |
| 
 | |
|         output = StringIO()
 | |
|         helper = pydoc.Helper(output=output)
 | |
|         with captured_stdout() as help_io:
 | |
|             helper('modules pydoc')
 | |
|         result = help_io.getvalue()
 | |
| 
 | |
|         self.assertIn(expected, result)
 | |
| 
 | |
|     @unittest.skip('some buildbots are not cooperating (#20128)')
 | |
|     def test_modules_search_builtin(self):
 | |
|         expected = 'gc - '
 | |
| 
 | |
|         output = StringIO()
 | |
|         helper = pydoc.Helper(output=output)
 | |
|         with captured_stdout() as help_io:
 | |
|             helper('modules garbage')
 | |
|         result = help_io.getvalue()
 | |
| 
 | |
|         self.assertTrue(result.startswith(expected))
 | |
| 
 | |
|     def test_importfile(self):
 | |
|         loaded_pydoc = pydoc.importfile(pydoc.__file__)
 | |
| 
 | |
|         self.assertIsNot(loaded_pydoc, pydoc)
 | |
|         self.assertEqual(loaded_pydoc.__name__, 'pydoc')
 | |
|         self.assertEqual(loaded_pydoc.__file__, pydoc.__file__)
 | |
|         self.assertEqual(loaded_pydoc.__spec__, pydoc.__spec__)
 | |
| 
 | |
| 
 | |
| 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_generic_alias(self):
 | |
|         self.assertEqual(pydoc.describe(typing.List[int]), '_GenericAlias')
 | |
|         doc = pydoc.render_doc(typing.List[int], renderer=pydoc.plaintext)
 | |
|         self.assertIn('_GenericAlias in module typing', doc)
 | |
|         self.assertIn('List = class list(object)', doc)
 | |
|         self.assertIn(list.__doc__.strip().splitlines()[0], doc)
 | |
| 
 | |
|         self.assertEqual(pydoc.describe(list[int]), 'GenericAlias')
 | |
|         doc = pydoc.render_doc(list[int], renderer=pydoc.plaintext)
 | |
|         self.assertIn('GenericAlias in module builtins', doc)
 | |
|         self.assertIn('\nclass list(object)', doc)
 | |
|         self.assertIn(list.__doc__.strip().splitlines()[0], doc)
 | |
| 
 | |
|     def test_union_type(self):
 | |
|         self.assertEqual(pydoc.describe(typing.Union[int, str]), '_UnionGenericAlias')
 | |
|         doc = pydoc.render_doc(typing.Union[int, str], renderer=pydoc.plaintext)
 | |
|         self.assertIn('_UnionGenericAlias in module typing', doc)
 | |
|         self.assertIn('Union = typing.Union', doc)
 | |
|         if typing.Union.__doc__:
 | |
|             self.assertIn(typing.Union.__doc__.strip().splitlines()[0], doc)
 | |
| 
 | |
|         self.assertEqual(pydoc.describe(int | str), 'UnionType')
 | |
|         doc = pydoc.render_doc(int | str, renderer=pydoc.plaintext)
 | |
|         self.assertIn('UnionType in module types object', doc)
 | |
|         self.assertIn('\nclass UnionType(builtins.object)', doc)
 | |
|         self.assertIn(types.UnionType.__doc__.strip().splitlines()[0], doc)
 | |
| 
 | |
|     def test_special_form(self):
 | |
|         self.assertEqual(pydoc.describe(typing.NoReturn), '_SpecialForm')
 | |
|         doc = pydoc.render_doc(typing.NoReturn, renderer=pydoc.plaintext)
 | |
|         self.assertIn('_SpecialForm in module typing', doc)
 | |
|         if typing.NoReturn.__doc__:
 | |
|             self.assertIn('NoReturn = typing.NoReturn', doc)
 | |
|             self.assertIn(typing.NoReturn.__doc__.strip().splitlines()[0], doc)
 | |
|         else:
 | |
|             self.assertIn('NoReturn = class _SpecialForm(_Final)', doc)
 | |
| 
 | |
|     def test_typing_pydoc(self):
 | |
|         def foo(data: typing.List[typing.Any],
 | |
|                 x: int) -> typing.Iterator[typing.Tuple[int, typing.Any]]:
 | |
|             ...
 | |
|         T = typing.TypeVar('T')
 | |
|         class C(typing.Generic[T], typing.Mapping[int, str]): ...
 | |
|         self.assertEqual(pydoc.render_doc(foo).splitlines()[-1],
 | |
|                          'f\x08fo\x08oo\x08o(data: List[Any], x: int)'
 | |
|                          ' -> Iterator[Tuple[int, Any]]')
 | |
|         self.assertEqual(pydoc.render_doc(C).splitlines()[2],
 | |
|                          'class C\x08C(collections.abc.Mapping, typing.Generic)')
 | |
| 
 | |
|     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(name))
 | |
| 
 | |
|         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)
 | |
| 
 | |
|     @staticmethod
 | |
|     def _get_summary_line(o):
 | |
|         text = pydoc.plain(pydoc.render_doc(o))
 | |
|         lines = text.split('\n')
 | |
|         assert len(lines) >= 2
 | |
|         return lines[2]
 | |
| 
 | |
|     @staticmethod
 | |
|     def _get_summary_lines(o):
 | |
|         text = pydoc.plain(pydoc.render_doc(o))
 | |
|         lines = text.split('\n')
 | |
|         return '\n'.join(lines[2:])
 | |
| 
 | |
|     # these should include "self"
 | |
|     def test_unbound_python_method(self):
 | |
|         self.assertEqual(self._get_summary_line(textwrap.TextWrapper.wrap),
 | |
|             "wrap(self, text)")
 | |
| 
 | |
|     @requires_docstrings
 | |
|     def test_unbound_builtin_method(self):
 | |
|         self.assertEqual(self._get_summary_line(_pickle.Pickler.dump),
 | |
|             "dump(self, obj, /)")
 | |
| 
 | |
|     # these no longer include "self"
 | |
|     def test_bound_python_method(self):
 | |
|         t = textwrap.TextWrapper()
 | |
|         self.assertEqual(self._get_summary_line(t.wrap),
 | |
|             "wrap(text) method of textwrap.TextWrapper instance")
 | |
|     def test_field_order_for_named_tuples(self):
 | |
|         Person = namedtuple('Person', ['nickname', 'firstname', 'agegroup'])
 | |
|         s = pydoc.render_doc(Person)
 | |
|         self.assertLess(s.index('nickname'), s.index('firstname'))
 | |
|         self.assertLess(s.index('firstname'), s.index('agegroup'))
 | |
| 
 | |
|         class NonIterableFields:
 | |
|             _fields = None
 | |
| 
 | |
|         class NonHashableFields:
 | |
|             _fields = [[]]
 | |
| 
 | |
|         # Make sure these doesn't fail
 | |
|         pydoc.render_doc(NonIterableFields)
 | |
|         pydoc.render_doc(NonHashableFields)
 | |
| 
 | |
|     @requires_docstrings
 | |
|     def test_bound_builtin_method(self):
 | |
|         s = StringIO()
 | |
|         p = _pickle.Pickler(s)
 | |
|         self.assertEqual(self._get_summary_line(p.dump),
 | |
|             "dump(obj, /) method of _pickle.Pickler instance")
 | |
| 
 | |
|     # this should *never* include self!
 | |
|     @requires_docstrings
 | |
|     def test_module_level_callable(self):
 | |
|         self.assertEqual(self._get_summary_line(os.stat),
 | |
|             "stat(path, *, dir_fd=None, follow_symlinks=True)")
 | |
| 
 | |
|     @requires_docstrings
 | |
|     def test_staticmethod(self):
 | |
|         class X:
 | |
|             @staticmethod
 | |
|             def sm(x, y):
 | |
|                 '''A static method'''
 | |
|                 ...
 | |
|         self.assertEqual(self._get_summary_lines(X.__dict__['sm']),
 | |
|                          'sm(x, y)\n'
 | |
|                          '    A static method\n')
 | |
|         self.assertEqual(self._get_summary_lines(X.sm), """\
 | |
| sm(x, y)
 | |
|     A static method
 | |
| """)
 | |
|         self.assertIn("""
 | |
|  |  Static methods defined here:
 | |
|  |
 | |
|  |  sm(x, y)
 | |
|  |      A static method
 | |
| """, pydoc.plain(pydoc.render_doc(X)))
 | |
| 
 | |
|     @requires_docstrings
 | |
|     def test_classmethod(self):
 | |
|         class X:
 | |
|             @classmethod
 | |
|             def cm(cls, x):
 | |
|                 '''A class method'''
 | |
|                 ...
 | |
|         self.assertEqual(self._get_summary_lines(X.__dict__['cm']),
 | |
|                          'cm(...)\n'
 | |
|                          '    A class method\n')
 | |
|         self.assertEqual(self._get_summary_lines(X.cm), """\
 | |
| cm(x) method of builtins.type instance
 | |
|     A class method
 | |
| """)
 | |
|         self.assertIn("""
 | |
|  |  Class methods defined here:
 | |
|  |
 | |
|  |  cm(x) from builtins.type
 | |
|  |      A class method
 | |
| """, pydoc.plain(pydoc.render_doc(X)))
 | |
| 
 | |
|     @requires_docstrings
 | |
|     def test_getset_descriptor(self):
 | |
|         # Currently these attributes are implemented as getset descriptors
 | |
|         # in CPython.
 | |
|         self.assertEqual(self._get_summary_line(int.numerator), "numerator")
 | |
|         self.assertEqual(self._get_summary_line(float.real), "real")
 | |
|         self.assertEqual(self._get_summary_line(Exception.args), "args")
 | |
|         self.assertEqual(self._get_summary_line(memoryview.obj), "obj")
 | |
| 
 | |
|     @requires_docstrings
 | |
|     def test_member_descriptor(self):
 | |
|         # Currently these attributes are implemented as member descriptors
 | |
|         # in CPython.
 | |
|         self.assertEqual(self._get_summary_line(complex.real), "real")
 | |
|         self.assertEqual(self._get_summary_line(range.start), "start")
 | |
|         self.assertEqual(self._get_summary_line(slice.start), "start")
 | |
|         self.assertEqual(self._get_summary_line(property.fget), "fget")
 | |
|         self.assertEqual(self._get_summary_line(StopIteration.value), "value")
 | |
| 
 | |
|     @requires_docstrings
 | |
|     def test_slot_descriptor(self):
 | |
|         class Point:
 | |
|             __slots__ = 'x', 'y'
 | |
|         self.assertEqual(self._get_summary_line(Point.x), "x")
 | |
| 
 | |
|     @requires_docstrings
 | |
|     def test_dict_attr_descriptor(self):
 | |
|         class NS:
 | |
|             pass
 | |
|         self.assertEqual(self._get_summary_line(NS.__dict__['__dict__']),
 | |
|                          "__dict__")
 | |
| 
 | |
|     @requires_docstrings
 | |
|     def test_structseq_member_descriptor(self):
 | |
|         self.assertEqual(self._get_summary_line(type(sys.hash_info).width),
 | |
|                          "width")
 | |
|         self.assertEqual(self._get_summary_line(type(sys.flags).debug),
 | |
|                          "debug")
 | |
|         self.assertEqual(self._get_summary_line(type(sys.version_info).major),
 | |
|                          "major")
 | |
|         self.assertEqual(self._get_summary_line(type(sys.float_info).max),
 | |
|                          "max")
 | |
| 
 | |
|     @requires_docstrings
 | |
|     def test_namedtuple_field_descriptor(self):
 | |
|         Box = namedtuple('Box', ('width', 'height'))
 | |
|         self.assertEqual(self._get_summary_lines(Box.width), """\
 | |
|     Alias for field number 0
 | |
| """)
 | |
| 
 | |
|     @requires_docstrings
 | |
|     def test_property(self):
 | |
|         class Rect:
 | |
|             @property
 | |
|             def area(self):
 | |
|                 '''Area of the rect'''
 | |
|                 return self.w * self.h
 | |
| 
 | |
|         self.assertEqual(self._get_summary_lines(Rect.area), """\
 | |
|     Area of the rect
 | |
| """)
 | |
|         self.assertIn("""
 | |
|  |  area
 | |
|  |      Area of the rect
 | |
| """, pydoc.plain(pydoc.render_doc(Rect)))
 | |
| 
 | |
|     @requires_docstrings
 | |
|     def test_custom_non_data_descriptor(self):
 | |
|         class Descr:
 | |
|             def __get__(self, obj, cls):
 | |
|                 if obj is None:
 | |
|                     return self
 | |
|                 return 42
 | |
|         class X:
 | |
|             attr = Descr()
 | |
| 
 | |
|         self.assertEqual(self._get_summary_lines(X.attr), f"""\
 | |
| <{__name__}.TestDescriptions.test_custom_non_data_descriptor.<locals>.Descr object>""")
 | |
| 
 | |
|         X.attr.__doc__ = 'Custom descriptor'
 | |
|         self.assertEqual(self._get_summary_lines(X.attr), f"""\
 | |
| <{__name__}.TestDescriptions.test_custom_non_data_descriptor.<locals>.Descr object>
 | |
|     Custom descriptor
 | |
| """)
 | |
| 
 | |
|         X.attr.__name__ = 'foo'
 | |
|         self.assertEqual(self._get_summary_lines(X.attr), """\
 | |
| foo(...)
 | |
|     Custom descriptor
 | |
| """)
 | |
| 
 | |
|     @requires_docstrings
 | |
|     def test_custom_data_descriptor(self):
 | |
|         class Descr:
 | |
|             def __get__(self, obj, cls):
 | |
|                 if obj is None:
 | |
|                     return self
 | |
|                 return 42
 | |
|             def __set__(self, obj, cls):
 | |
|                 1/0
 | |
|         class X:
 | |
|             attr = Descr()
 | |
| 
 | |
|         self.assertEqual(self._get_summary_lines(X.attr), "")
 | |
| 
 | |
|         X.attr.__doc__ = 'Custom descriptor'
 | |
|         self.assertEqual(self._get_summary_lines(X.attr), """\
 | |
|     Custom descriptor
 | |
| """)
 | |
| 
 | |
|         X.attr.__name__ = 'foo'
 | |
|         self.assertEqual(self._get_summary_lines(X.attr), """\
 | |
| foo
 | |
|     Custom descriptor
 | |
| """)
 | |
| 
 | |
|     def test_async_annotation(self):
 | |
|         async def coro_function(ign) -> int:
 | |
|             return 1
 | |
| 
 | |
|         text = pydoc.plain(pydoc.plaintext.document(coro_function))
 | |
|         self.assertIn('async coro_function', text)
 | |
| 
 | |
|         html = pydoc.HTMLDoc().document(coro_function)
 | |
|         self.assertIn(
 | |
|             'async <a name="-coro_function"><strong>coro_function',
 | |
|             html)
 | |
| 
 | |
|     def test_async_generator_annotation(self):
 | |
|         async def an_async_generator():
 | |
|             yield 1
 | |
| 
 | |
|         text = pydoc.plain(pydoc.plaintext.document(an_async_generator))
 | |
|         self.assertIn('async an_async_generator', text)
 | |
| 
 | |
|         html = pydoc.HTMLDoc().document(an_async_generator)
 | |
|         self.assertIn(
 | |
|             'async <a name="-an_async_generator"><strong>an_async_generator',
 | |
|             html)
 | |
| 
 | |
|     @requires_docstrings
 | |
|     def test_html_for_https_links(self):
 | |
|         def a_fn_with_https_link():
 | |
|             """a link https://localhost/"""
 | |
|             pass
 | |
| 
 | |
|         html = pydoc.HTMLDoc().document(a_fn_with_https_link)
 | |
|         self.assertIn(
 | |
|             '<a href="https://localhost/">https://localhost/</a>',
 | |
|             html
 | |
|         )
 | |
| 
 | |
| 
 | |
| @unittest.skipIf(
 | |
|     is_emscripten or is_wasi,
 | |
|     "Socket server not available on Emscripten/WASI."
 | |
| )
 | |
| class PydocServerTest(unittest.TestCase):
 | |
|     """Tests for pydoc._start_server"""
 | |
| 
 | |
|     def test_server(self):
 | |
|         # Minimal test that starts the server, checks that it works, then stops
 | |
|         # it and checks its cleanup.
 | |
|         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,
 | |
|             hostname='localhost',
 | |
|             port=0,
 | |
|             )
 | |
|         self.assertEqual(serverthread.error, None)
 | |
|         self.assertTrue(serverthread.serving)
 | |
|         self.addCleanup(
 | |
|             lambda: serverthread.stop() if serverthread.serving else None
 | |
|             )
 | |
|         self.assertIn('localhost', serverthread.url)
 | |
| 
 | |
|         self.addCleanup(urlcleanup)
 | |
|         self.assertEqual(
 | |
|             b'the URL sent was: (/test, text/html)',
 | |
|             urlopen(urllib.parse.urljoin(serverthread.url, '/test')).read(),
 | |
|             )
 | |
|         self.assertEqual(
 | |
|             b'the URL sent was: (/test.css, text/css)',
 | |
|             urlopen(urllib.parse.urljoin(serverthread.url, '/test.css')).read(),
 | |
|             )
 | |
| 
 | |
|         serverthread.stop()
 | |
|         self.assertFalse(serverthread.serving)
 | |
|         self.assertIsNone(serverthread.docserver)
 | |
|         self.assertIsNone(serverthread.url)
 | |
| 
 | |
| 
 | |
| class PydocUrlHandlerTest(PydocBaseTest):
 | |
|     """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"),
 | |
|             ]
 | |
| 
 | |
|         with self.restrict_walk_packages():
 | |
|             for url, title in requests:
 | |
|                 self.call_url_handler(url, title)
 | |
| 
 | |
| 
 | |
| class TestHelper(unittest.TestCase):
 | |
|     def test_keywords(self):
 | |
|         self.assertEqual(sorted(pydoc.Helper.keywords),
 | |
|                          sorted(keyword.kwlist))
 | |
| 
 | |
| 
 | |
| class PydocWithMetaClasses(unittest.TestCase):
 | |
|     @unittest.skipIf(hasattr(sys, 'gettrace') and sys.gettrace(),
 | |
|                      'trace function introduces __locals__ unexpectedly')
 | |
|     @requires_docstrings
 | |
|     def test_DynamicClassAttribute(self):
 | |
|         class Meta(type):
 | |
|             def __getattr__(self, name):
 | |
|                 if name == 'ham':
 | |
|                     return 'spam'
 | |
|                 return super().__getattr__(name)
 | |
|         class DA(metaclass=Meta):
 | |
|             @types.DynamicClassAttribute
 | |
|             def ham(self):
 | |
|                 return 'eggs'
 | |
|         expected_text_data_docstrings = tuple('\n |      ' + s if s else ''
 | |
|                                       for s in expected_data_docstrings)
 | |
|         output = StringIO()
 | |
|         helper = pydoc.Helper(output=output)
 | |
|         helper(DA)
 | |
|         expected_text = expected_dynamicattribute_pattern % (
 | |
|                 (__name__,) + expected_text_data_docstrings[:2])
 | |
|         result = output.getvalue().strip()
 | |
|         self.assertEqual(expected_text, result)
 | |
| 
 | |
|     @unittest.skipIf(hasattr(sys, 'gettrace') and sys.gettrace(),
 | |
|                      'trace function introduces __locals__ unexpectedly')
 | |
|     @requires_docstrings
 | |
|     def test_virtualClassAttributeWithOneMeta(self):
 | |
|         class Meta(type):
 | |
|             def __dir__(cls):
 | |
|                 return ['__class__', '__module__', '__name__', 'LIFE']
 | |
|             def __getattr__(self, name):
 | |
|                 if name =='LIFE':
 | |
|                     return 42
 | |
|                 return super().__getattr(name)
 | |
|         class Class(metaclass=Meta):
 | |
|             pass
 | |
|         output = StringIO()
 | |
|         helper = pydoc.Helper(output=output)
 | |
|         helper(Class)
 | |
|         expected_text = expected_virtualattribute_pattern1 % __name__
 | |
|         result = output.getvalue().strip()
 | |
|         self.assertEqual(expected_text, result)
 | |
| 
 | |
|     @unittest.skipIf(hasattr(sys, 'gettrace') and sys.gettrace(),
 | |
|                      'trace function introduces __locals__ unexpectedly')
 | |
|     @requires_docstrings
 | |
|     def test_virtualClassAttributeWithTwoMeta(self):
 | |
|         class Meta1(type):
 | |
|             def __dir__(cls):
 | |
|                 return ['__class__', '__module__', '__name__', 'one']
 | |
|             def __getattr__(self, name):
 | |
|                 if name =='one':
 | |
|                     return 1
 | |
|                 return super().__getattr__(name)
 | |
|         class Meta2(type):
 | |
|             def __dir__(cls):
 | |
|                 return ['__class__', '__module__', '__name__', 'two']
 | |
|             def __getattr__(self, name):
 | |
|                 if name =='two':
 | |
|                     return 2
 | |
|                 return super().__getattr__(name)
 | |
|         class Meta3(Meta1, Meta2):
 | |
|             def __dir__(cls):
 | |
|                 return list(sorted(set(
 | |
|                     ['__class__', '__module__', '__name__', 'three'] +
 | |
|                     Meta1.__dir__(cls) + Meta2.__dir__(cls))))
 | |
|             def __getattr__(self, name):
 | |
|                 if name =='three':
 | |
|                     return 3
 | |
|                 return super().__getattr__(name)
 | |
|         class Class1(metaclass=Meta1):
 | |
|             pass
 | |
|         class Class2(Class1, metaclass=Meta3):
 | |
|             pass
 | |
|         output = StringIO()
 | |
|         helper = pydoc.Helper(output=output)
 | |
|         helper(Class1)
 | |
|         expected_text1 = expected_virtualattribute_pattern2 % __name__
 | |
|         result1 = output.getvalue().strip()
 | |
|         self.assertEqual(expected_text1, result1)
 | |
|         output = StringIO()
 | |
|         helper = pydoc.Helper(output=output)
 | |
|         helper(Class2)
 | |
|         expected_text2 = expected_virtualattribute_pattern3 % __name__
 | |
|         result2 = output.getvalue().strip()
 | |
|         self.assertEqual(expected_text2, result2)
 | |
| 
 | |
|     @unittest.skipIf(hasattr(sys, 'gettrace') and sys.gettrace(),
 | |
|                      'trace function introduces __locals__ unexpectedly')
 | |
|     @requires_docstrings
 | |
|     def test_buggy_dir(self):
 | |
|         class M(type):
 | |
|             def __dir__(cls):
 | |
|                 return ['__class__', '__name__', 'missing', 'here']
 | |
|         class C(metaclass=M):
 | |
|             here = 'present!'
 | |
|         output = StringIO()
 | |
|         helper = pydoc.Helper(output=output)
 | |
|         helper(C)
 | |
|         expected_text = expected_missingattribute_pattern % __name__
 | |
|         result = output.getvalue().strip()
 | |
|         self.assertEqual(expected_text, result)
 | |
| 
 | |
|     def test_resolve_false(self):
 | |
|         # Issue #23008: pydoc enum.{,Int}Enum failed
 | |
|         # because bool(enum.Enum) is False.
 | |
|         with captured_stdout() as help_io:
 | |
|             pydoc.help('enum.Enum')
 | |
|         helptext = help_io.getvalue()
 | |
|         self.assertIn('class Enum', helptext)
 | |
| 
 | |
| 
 | |
| class TestInternalUtilities(unittest.TestCase):
 | |
| 
 | |
|     def setUp(self):
 | |
|         tmpdir = tempfile.TemporaryDirectory()
 | |
|         self.argv0dir = tmpdir.name
 | |
|         self.argv0 = os.path.join(tmpdir.name, "nonexistent")
 | |
|         self.addCleanup(tmpdir.cleanup)
 | |
|         self.abs_curdir = abs_curdir = os.getcwd()
 | |
|         self.curdir_spellings = ["", os.curdir, abs_curdir]
 | |
| 
 | |
|     def _get_revised_path(self, given_path, argv0=None):
 | |
|         # Checking that pydoc.cli() actually calls pydoc._get_revised_path()
 | |
|         # is handled via code review (at least for now).
 | |
|         if argv0 is None:
 | |
|             argv0 = self.argv0
 | |
|         return pydoc._get_revised_path(given_path, argv0)
 | |
| 
 | |
|     def _get_starting_path(self):
 | |
|         # Get a copy of sys.path without the current directory.
 | |
|         clean_path = sys.path.copy()
 | |
|         for spelling in self.curdir_spellings:
 | |
|             for __ in range(clean_path.count(spelling)):
 | |
|                 clean_path.remove(spelling)
 | |
|         return clean_path
 | |
| 
 | |
|     def test_sys_path_adjustment_adds_missing_curdir(self):
 | |
|         clean_path = self._get_starting_path()
 | |
|         expected_path = [self.abs_curdir] + clean_path
 | |
|         self.assertEqual(self._get_revised_path(clean_path), expected_path)
 | |
| 
 | |
|     def test_sys_path_adjustment_removes_argv0_dir(self):
 | |
|         clean_path = self._get_starting_path()
 | |
|         expected_path = [self.abs_curdir] + clean_path
 | |
|         leading_argv0dir = [self.argv0dir] + clean_path
 | |
|         self.assertEqual(self._get_revised_path(leading_argv0dir), expected_path)
 | |
|         trailing_argv0dir = clean_path + [self.argv0dir]
 | |
|         self.assertEqual(self._get_revised_path(trailing_argv0dir), expected_path)
 | |
| 
 | |
|     def test_sys_path_adjustment_protects_pydoc_dir(self):
 | |
|         def _get_revised_path(given_path):
 | |
|             return self._get_revised_path(given_path, argv0=pydoc.__file__)
 | |
|         clean_path = self._get_starting_path()
 | |
|         leading_argv0dir = [self.argv0dir] + clean_path
 | |
|         expected_path = [self.abs_curdir] + leading_argv0dir
 | |
|         self.assertEqual(_get_revised_path(leading_argv0dir), expected_path)
 | |
|         trailing_argv0dir = clean_path + [self.argv0dir]
 | |
|         expected_path = [self.abs_curdir] + trailing_argv0dir
 | |
|         self.assertEqual(_get_revised_path(trailing_argv0dir), expected_path)
 | |
| 
 | |
|     def test_sys_path_adjustment_when_curdir_already_included(self):
 | |
|         clean_path = self._get_starting_path()
 | |
|         for spelling in self.curdir_spellings:
 | |
|             with self.subTest(curdir_spelling=spelling):
 | |
|                 # If curdir is already present, no alterations are made at all
 | |
|                 leading_curdir = [spelling] + clean_path
 | |
|                 self.assertIsNone(self._get_revised_path(leading_curdir))
 | |
|                 trailing_curdir = clean_path + [spelling]
 | |
|                 self.assertIsNone(self._get_revised_path(trailing_curdir))
 | |
|                 leading_argv0dir = [self.argv0dir] + leading_curdir
 | |
|                 self.assertIsNone(self._get_revised_path(leading_argv0dir))
 | |
|                 trailing_argv0dir = trailing_curdir + [self.argv0dir]
 | |
|                 self.assertIsNone(self._get_revised_path(trailing_argv0dir))
 | |
| 
 | |
| 
 | |
| def setUpModule():
 | |
|     thread_info = threading_helper.threading_setup()
 | |
|     unittest.addModuleCleanup(threading_helper.threading_cleanup, *thread_info)
 | |
|     unittest.addModuleCleanup(reap_children)
 | |
| 
 | |
| 
 | |
| if __name__ == "__main__":
 | |
|     unittest.main()
 | 
