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Diffstat (limited to 'doc/ext/example_google.py')
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diff --git a/doc/ext/example_google.py b/doc/ext/example_google.py new file mode 100644 index 00000000..c94dcdf1 --- /dev/null +++ b/doc/ext/example_google.py @@ -0,0 +1,223 @@ +# -*- coding: utf-8 -*- +"""Example Google style docstrings. + +This module demonstrates documentation as specified by the `Google Python +Style Guide`_. Docstrings may extend over multiple lines. Sections are created +with a section header and a colon followed by a block of indented text. + +Example: + Examples can be given using either the ``Example`` or ``Examples`` + sections. Sections support any reStructuredText formatting, including + literal blocks:: + + $ python example_google.py + +Section breaks are created by simply resuming unindented text. Section breaks +are also implicitly created anytime a new section starts. + +Attributes: + module_level_variable (int): Module level variables may be documented in + either the ``Attributes`` section of the module docstring, or in an + inline docstring immediately following the variable. + + Either form is acceptable, but the two should not be mixed. Choose + one convention to document module level variables and be consistent + with it. + +.. _Google Python Style Guide: + http://google-styleguide.googlecode.com/svn/trunk/pyguide.html + +""" + +module_level_variable = 12345 + + +def module_level_function(param1, param2=None, *args, **kwargs): + """This is an example of a module level function. + + Function parameters should be documented in the ``Args`` section. The name + of each parameter is required. The type and description of each parameter + is optional, but should be included if not obvious. + + If the parameter itself is optional, it should be noted by adding + ", optional" to the type. If \*args or \*\*kwargs are accepted, they + should be listed as \*args and \*\*kwargs. + + The format for a parameter is:: + + name (type): description + The description may span multiple lines. Following + lines should be indented. + + Multiple paragraphs are supported in parameter + descriptions. + + Args: + param1 (int): The first parameter. + param2 (str, optional): The second parameter. Defaults to None. + Second line of description should be indented. + *args: Variable length argument list. + **kwargs: Arbitrary keyword arguments. + + Returns: + bool: True if successful, False otherwise. + + The return type is optional and may be specified at the beginning of + the ``Returns`` section followed by a colon. + + The ``Returns`` section may span multiple lines and paragraphs. + Following lines should be indented to match the first line. + + The ``Returns`` section supports any reStructuredText formatting, + including literal blocks:: + + { + 'param1': param1, + 'param2': param2 + } + + Raises: + AttributeError: The ``Raises`` section is a list of all exceptions + that are relevant to the interface. + ValueError: If `param2` is equal to `param1`. + + """ + if param1 == param2: + raise ValueError('param1 may not be equal to param2') + return True + + +def example_generator(n): + """Generators have a ``Yields`` section instead of a ``Returns`` section. + + Args: + n (int): The upper limit of the range to generate, from 0 to `n` - 1 + + Yields: + int: The next number in the range of 0 to `n` - 1 + + Examples: + Examples should be written in doctest format, and should illustrate how + to use the function. + + >>> print [i for i in example_generator(4)] + [0, 1, 2, 3] + + """ + for i in range(n): + yield i + + +class ExampleError(Exception): + """Exceptions are documented in the same way as classes. + + The __init__ method may be documented in either the class level + docstring, or as a docstring on the __init__ method itself. + + Either form is acceptable, but the two should not be mixed. Choose one + convention to document the __init__ method and be consistent with it. + + Note: + Do not include the `self` parameter in the ``Args`` section. + + Args: + msg (str): Human readable string describing the exception. + code (int, optional): Error code, defaults to 2. + + Attributes: + msg (str): Human readable string describing the exception. + code (int): Exception error code. + + """ + def __init__(self, msg, code=2): + self.msg = msg + self.code = code + + +class ExampleClass(object): + """The summary line for a class docstring should fit on one line. + + If the class has public attributes, they should be documented here + in an ``Attributes`` section and follow the same formatting as a + function's ``Args`` section. + + Attributes: + attr1 (str): Description of `attr1`. + attr2 (list of str): Description of `attr2`. + attr3 (int): Description of `attr3`. + + """ + def __init__(self, param1, param2, param3=0): + """Example of docstring on the __init__ method. + + The __init__ method may be documented in either the class level + docstring, or as a docstring on the __init__ method itself. + + Either form is acceptable, but the two should not be mixed. Choose one + convention to document the __init__ method and be consistent with it. + + Note: + Do not include the `self` parameter in the ``Args`` section. + + Args: + param1 (str): Description of `param1`. + param2 (list of str): Description of `param2`. Multiple + lines are supported. + param3 (int, optional): Description of `param3`, defaults to 0. + + """ + self.attr1 = param1 + self.attr2 = param2 + self.attr3 = param3 + + def example_method(self, param1, param2): + """Class methods are similar to regular functions. + + Note: + Do not include the `self` parameter in the ``Args`` section. + + Args: + param1: The first parameter. + param2: The second parameter. + + Returns: + True if successful, False otherwise. + + """ + return True + + def __special__(self): + """By default special members with docstrings are included. + + Special members are any methods or attributes that start with and + end with a double underscore. Any special member with a docstring + will be included in the output. + + This behavior can be disabled by changing the following setting in + Sphinx's conf.py:: + + napoleon_include_special_with_doc = False + + """ + pass + + def __special_without_docstring__(self): + pass + + def _private(self): + """By default private members are not included. + + Private members are any methods or attributes that start with an + underscore and are *not* special. By default they are not included + in the output. + + This behavior can be changed such that private members *are* included + by changing the following setting in Sphinx's conf.py:: + + napoleon_include_private_with_doc = True + + """ + pass + + def _private_without_docstring(self): + pass |