.. method:: can_write_eof()
- Return *True* if the underlying transport supports
- the :meth:`write_eof` method, *False* otherwise.
+ Return ``True`` if the underlying transport supports
+ the :meth:`write_eof` method, ``False`` otherwise.
.. method:: write_eof()
method of the superclass will be used (if the superclass is
:class:`object`, this means it will fall back to id-based hashing).
- - ``frozen``: If true (the default is False), assigning to fields will
+ - ``frozen``: If true (the default is ``False``), assigning to fields will
generate an exception. This emulates read-only frozen instances. If
:meth:`__setattr__` or :meth:`__delattr__` is defined in the class, then
:exc:`TypeError` is raised. See the discussion below.
.. function:: is_dataclass(class_or_instance)
- Returns True if its parameter is a dataclass or an instance of one,
- otherwise returns False.
+ Return ``True`` if its parameter is a dataclass or an instance of one,
+ otherwise return ``False``.
If you need to know if a class is an instance of a dataclass (and
not a dataclass itself), then add a further check for ``not
.. function:: IS_LINE_JUNK(line)
- Return true for ignorable lines. The line *line* is ignorable if *line* is
+ Return ``True`` for ignorable lines. The line *line* is ignorable if *line* is
blank or contains a single ``'#'``, otherwise it is not ignorable. Used as a
default for parameter *linejunk* in :func:`ndiff` in older versions.
.. function:: IS_CHARACTER_JUNK(ch)
- Return true for ignorable characters. The character *ch* is ignorable if *ch*
+ Return ``True`` for ignorable characters. The character *ch* is ignorable if *ch*
is a space or tab, otherwise it is not ignorable. Used as a default for
parameter *charjunk* in :func:`ndiff`.
Optional argument *isjunk* must be ``None`` (the default) or a one-argument
function that takes a sequence element and returns true if and only if the
element is "junk" and should be ignored. Passing ``None`` for *isjunk* is
- equivalent to passing ``lambda x: 0``; in other words, no elements are ignored.
+ equivalent to passing ``lambda x: False``; in other words, no elements are ignored.
For example, pass::
lambda x: x in " \t"
A class used to check the whether the actual output from a doctest example
matches the expected output. :class:`OutputChecker` defines two methods:
- :meth:`check_output`, which compares a given pair of outputs, and returns true
+ :meth:`check_output`, which compares a given pair of outputs, and returns ``True``
if they match; and :meth:`output_difference`, which returns a string describing
the differences between two outputs.
.. method:: __contains__(name)
- Return true if the message object has a field named *name*. Matching is
+ Return ``True`` if the message object has a field named *name*. Matching is
done case-insensitively and *name* should not include the trailing colon.
Used for the ``in`` operator, e.g.::
* :class:`MultipartInvariantViolationDefect` -- A message claimed to be a
:mimetype:`multipart`, but no subparts were found. Note that when a message
has this defect, its :meth:`~email.message.Message.is_multipart` method may
- return false even though its content type claims to be :mimetype:`multipart`.
+ return ``False`` even though its content type claims to be :mimetype:`multipart`.
* :class:`InvalidBase64PaddingDefect` -- When decoding a block of base64
encoded bytes, the padding was not correct. Enough padding is added to
.. method:: __contains__(name)
- Return true if the message object has a field named *name*. Matching is
+ Return ``True`` if the message object has a field named *name*. Matching is
done without regard to case and *name* does not include the trailing
colon. Used for the ``in`` operator. For example::
.. function:: isfirstline()
- Returns true if the line just read is the first line of its file, otherwise
- returns false.
+ Return ``True`` if the line just read is the first line of its file, otherwise
+ return ``False``.
.. function:: isstdin()
- Returns true if the last line was read from ``sys.stdin``, otherwise returns
- false.
+ Return ``True`` if the last line was read from ``sys.stdin``, otherwise return
+ ``False``.
.. function:: nextfile()
.. function:: callable(object)
Return :const:`True` if the *object* argument appears callable,
- :const:`False` if not. If this returns true, it is still possible that a
- call fails, but if it is false, calling *object* will never succeed.
+ :const:`False` if not. If this returns ``True``, it is still possible that a
+ call fails, but if it is ``False``, calling *object* will never succeed.
Note that classes are callable (calling a class returns a new instance);
instances are callable if their class has a :meth:`__call__` method.
.. function:: isinstance(object, classinfo)
- Return true if the *object* argument is an instance of the *classinfo*
+ Return ``True`` if the *object* argument is an instance of the *classinfo*
argument, or of a (direct, indirect or :term:`virtual <abstract base
class>`) subclass thereof. If *object* is not
- an object of the given type, the function always returns false.
+ an object of the given type, the function always returns ``False``.
If *classinfo* is a tuple of type objects (or recursively, other such
- tuples), return true if *object* is an instance of any of the types.
+ tuples), return ``True`` if *object* is an instance of any of the types.
If *classinfo* is not a type or tuple of types and such tuples,
a :exc:`TypeError` exception is raised.
.. function:: issubclass(class, classinfo)
- Return true if *class* is a subclass (direct, indirect or :term:`virtual
+ Return ``True`` if *class* is a subclass (direct, indirect or :term:`virtual
<abstract base class>`) of *classinfo*. A
class is considered a subclass of itself. *classinfo* may be a tuple of class
objects, in which case every entry in *classinfo* will be checked. In any other
.. function:: isenabled()
- Returns true if automatic collection is enabled.
+ Return ``True`` if automatic collection is enabled.
.. function:: collect(generation=2)
.. method:: CookiePolicy.domain_return_ok(domain, request)
- Return false if cookies should not be returned, given cookie domain.
+ Return ``False`` if cookies should not be returned, given cookie domain.
This method is an optimization. It removes the need for checking every cookie
with a particular domain (which might involve reading many files). Returning
.. method:: CookiePolicy.path_return_ok(path, request)
- Return false if cookies should not be returned, given cookie path.
+ Return ``False`` if cookies should not be returned, given cookie path.
See the documentation for :meth:`domain_return_ok`.
.. method:: Cookie.has_nonstandard_attr(name)
- Return true if cookie has the named cookie-attribute.
+ Return ``True`` if cookie has the named cookie-attribute.
.. method:: Cookie.get_nonstandard_attr(name, default=None)
.. method:: is_package(fullname)
- Return true if :attr:`path` appears to be for a package.
+ Return ``True`` if :attr:`path` appears to be for a package.
.. method:: path_stats(path)
.. function:: ismodule(object)
- Return true if the object is a module.
+ Return ``True`` if the object is a module.
.. function:: isclass(object)
- Return true if the object is a class, whether built-in or created in Python
+ Return ``True`` if the object is a class, whether built-in or created in Python
code.
.. function:: ismethod(object)
- Return true if the object is a bound method written in Python.
+ Return ``True`` if the object is a bound method written in Python.
.. function:: isfunction(object)
- Return true if the object is a Python function, which includes functions
+ Return ``True`` if the object is a Python function, which includes functions
created by a :term:`lambda` expression.
.. function:: isgeneratorfunction(object)
- Return true if the object is a Python generator function.
+ Return ``True`` if the object is a Python generator function.
.. function:: isgenerator(object)
- Return true if the object is a generator.
+ Return ``True`` if the object is a generator.
.. function:: iscoroutinefunction(object)
- Return true if the object is a :term:`coroutine function`
+ Return ``True`` if the object is a :term:`coroutine function`
(a function defined with an :keyword:`async def` syntax).
.. versionadded:: 3.5
.. function:: iscoroutine(object)
- Return true if the object is a :term:`coroutine` created by an
+ Return ``True`` if the object is a :term:`coroutine` created by an
:keyword:`async def` function.
.. versionadded:: 3.5
.. function:: isawaitable(object)
- Return true if the object can be used in :keyword:`await` expression.
+ Return ``True`` if the object can be used in :keyword:`await` expression.
Can also be used to distinguish generator-based coroutines from regular
generators::
.. function:: isasyncgenfunction(object)
- Return true if the object is an :term:`asynchronous generator` function,
+ Return ``True`` if the object is an :term:`asynchronous generator` function,
for example::
>>> async def agen():
.. function:: isasyncgen(object)
- Return true if the object is an :term:`asynchronous generator iterator`
+ Return ``True`` if the object is an :term:`asynchronous generator iterator`
created by an :term:`asynchronous generator` function.
.. versionadded:: 3.6
.. function:: istraceback(object)
- Return true if the object is a traceback.
+ Return ``True`` if the object is a traceback.
.. function:: isframe(object)
- Return true if the object is a frame.
+ Return ``True`` if the object is a frame.
.. function:: iscode(object)
- Return true if the object is a code.
+ Return ``True`` if the object is a code.
.. function:: isbuiltin(object)
- Return true if the object is a built-in function or a bound built-in method.
+ Return ``True`` if the object is a built-in function or a bound built-in method.
.. function:: isroutine(object)
- Return true if the object is a user-defined or built-in function or method.
+ Return ``True`` if the object is a user-defined or built-in function or method.
.. function:: isabstract(object)
- Return true if the object is an abstract base class.
+ Return ``True`` if the object is an abstract base class.
.. function:: ismethoddescriptor(object)
- Return true if the object is a method descriptor, but not if
+ Return ``True`` if the object is a method descriptor, but not if
:func:`ismethod`, :func:`isclass`, :func:`isfunction` or :func:`isbuiltin`
are true.
sensible, and :attr:`__doc__` often is.
Methods implemented via descriptors that also pass one of the other tests
- return false from the :func:`ismethoddescriptor` test, simply because the
+ return ``False`` from the :func:`ismethoddescriptor` test, simply because the
other tests promise more -- you can, e.g., count on having the
:attr:`__func__` attribute (etc) when an object passes :func:`ismethod`.
.. function:: isdatadescriptor(object)
- Return true if the object is a data descriptor.
+ Return ``True`` if the object is a data descriptor.
Data descriptors have both a :attr:`~object.__get__` and a :attr:`~object.__set__` method.
Examples are properties (defined in Python), getsets, and members. The
.. function:: isgetsetdescriptor(object)
- Return true if the object is a getset descriptor.
+ Return ``True`` if the object is a getset descriptor.
.. impl-detail::
.. function:: ismemberdescriptor(object)
- Return true if the object is a member descriptor.
+ Return ``True`` if the object is a member descriptor.
.. impl-detail::
.. method:: subnet_of(other)
- Returns *True* if this network is a subnet of *other*.
+ Return ``True`` if this network is a subnet of *other*.
>>> a = ip_network('192.168.1.0/24')
>>> b = ip_network('192.168.1.128/30')
.. method:: supernet_of(other)
- Returns *True* if this network is a supernet of *other*.
+ Return ``True`` if this network is a supernet of *other*.
>>> a = ip_network('192.168.1.0/24')
>>> b = ip_network('192.168.1.128/30')
.. function:: iskeyword(s)
- Return true if *s* is a Python keyword.
+ Return ``True`` if *s* is a Python keyword.
.. data:: kwlist
.. method:: emit(record)
- Appends the record to the buffer. If :meth:`shouldFlush` returns true,
- calls :meth:`flush` to process the buffer.
+ Append the record to the buffer. If :meth:`shouldFlush` returns true,
+ call :meth:`flush` to process the buffer.
.. method:: flush()
.. method:: shouldFlush(record)
- Returns true if the buffer is up to capacity. This method can be
+ Return ``True`` if the buffer is up to capacity. This method can be
overridden to implement custom flushing strategies.
.. method:: Logger.filter(record)
- Applies this logger's filters to the record and returns a true value if the
+ Apply this logger's filters to the record and return ``True`` if the
record is to be processed. The filters are consulted in turn, until one of
them returns a false value. If none of them return a false value, the record
will be processed (passed to handlers). If one returns a false value, no
.. method:: Handler.filter(record)
- Applies this handler's filters to the record and returns a true value if the
+ Apply this handler's filters to the record and return ``True`` if the
record is to be processed. The filters are consulted in turn, until one of
them returns a false value. If none of them return a false value, the record
will be emitted. If one returns a false value, the handler will not emit the
.. function:: is_check_supported(check)
- Returns true if the given integrity check is supported on this system.
+ Return ``True`` if the given integrity check is supported on this system.
:const:`CHECK_NONE` and :const:`CHECK_CRC32` are always supported.
:const:`CHECK_CRC64` and :const:`CHECK_SHA256` may be unavailable if you are
.. function:: kbhit()
- Return true if a keypress is waiting to be read.
+ Return ``True`` if a keypress is waiting to be read.
.. function:: getch()
store a constant value
``"store_true"``
- store a true value
+ store ``True``
``"store_false"``
- store a false value
+ store ``False``
``"append"``
append this option's argument to a list
* ``"store_true"`` [relevant: :attr:`~Option.dest`]
- A special case of ``"store_const"`` that stores a true value to
+ A special case of ``"store_const"`` that stores ``True`` to
:attr:`~Option.dest`.
* ``"store_false"`` [relevant: :attr:`~Option.dest`]
- Like ``"store_true"``, but stores a false value.
+ Like ``"store_true"``, but stores ``False``.
Example::
.. method:: OptionParser.has_option(opt_str)
- Return true if the OptionParser has an option with option string *opt_str*
+ Return ``True`` if the OptionParser has an option with option string *opt_str*
(e.g., ``-q`` or ``--verbose``).
.. method:: OptionParser.remove_option(opt_str)
versa).
:data:`environb` is only available if :data:`supports_bytes_environ` is
- True.
+ ``True``.
.. versionadded:: 3.2
*default* if it doesn't. *key*, *default* and the result are bytes.
:func:`getenvb` is only available if :data:`supports_bytes_environ`
- is True.
+ is ``True``.
.. availability:: most flavors of Unix.
.. index:: builtin: compile
- When *st* represents an ``'eval'`` form, this function returns true, otherwise
- it returns false. This is useful, since code objects normally cannot be queried
+ When *st* represents an ``'eval'`` form, this function returns ``True``, otherwise
+ it returns ``False``. This is useful, since code objects normally cannot be queried
for this information using existing built-in functions. Note that the code
objects created by :func:`compilest` cannot be queried like this either, and
are identical to those created by the built-in :func:`compile` function.
.. method:: scheduler.empty()
- Return true if the event queue is empty.
+ Return ``True`` if the event queue is empty.
.. method:: scheduler.run(blocking=True)
return the agreed-upon protocol.
This method will raise :exc:`NotImplementedError` if :data:`HAS_ALPN` is
- False.
+ ``False``.
OpenSSL 1.1.0 to 1.1.0e will abort the handshake and raise :exc:`SSLError`
when both sides support ALPN but cannot agree on a protocol. 1.1.0f+
return the agreed-upon protocol.
This method will raise :exc:`NotImplementedError` if :data:`HAS_NPN` is
- False.
+ ``False``.
.. versionadded:: 3.3
.. method:: str.isalnum()
- Return true if all characters in the string are alphanumeric and there is at
- least one character, false otherwise. A character ``c`` is alphanumeric if one
+ Return ``True`` if all characters in the string are alphanumeric and there is at
+ least one character, ``False`` otherwise. A character ``c`` is alphanumeric if one
of the following returns ``True``: ``c.isalpha()``, ``c.isdecimal()``,
``c.isdigit()``, or ``c.isnumeric()``.
.. method:: str.isalpha()
- Return true if all characters in the string are alphabetic and there is at least
- one character, false otherwise. Alphabetic characters are those characters defined
+ Return ``True`` if all characters in the string are alphabetic and there is at least
+ one character, ``False`` otherwise. Alphabetic characters are those characters defined
in the Unicode character database as "Letter", i.e., those with general category
property being one of "Lm", "Lt", "Lu", "Ll", or "Lo". Note that this is different
from the "Alphabetic" property defined in the Unicode Standard.
.. method:: str.isascii()
- Return true if the string is empty or all characters in the string are ASCII,
- false otherwise.
+ Return ``True`` if the string is empty or all characters in the string are ASCII,
+ ``False`` otherwise.
ASCII characters have code points in the range U+0000-U+007F.
.. versionadded:: 3.7
.. method:: str.isdecimal()
- Return true if all characters in the string are decimal
- characters and there is at least one character, false
+ Return ``True`` if all characters in the string are decimal
+ characters and there is at least one character, ``False``
otherwise. Decimal characters are those that can be used to form
numbers in base 10, e.g. U+0660, ARABIC-INDIC DIGIT
ZERO. Formally a decimal character is a character in the Unicode
.. method:: str.isdigit()
- Return true if all characters in the string are digits and there is at least one
- character, false otherwise. Digits include decimal characters and digits that need
+ Return ``True`` if all characters in the string are digits and there is at least one
+ character, ``False`` otherwise. Digits include decimal characters and digits that need
special handling, such as the compatibility superscript digits.
This covers digits which cannot be used to form numbers in base 10,
like the Kharosthi numbers. Formally, a digit is a character that has the
.. method:: str.isidentifier()
- Return true if the string is a valid identifier according to the language
+ Return ``True`` if the string is a valid identifier according to the language
definition, section :ref:`identifiers`.
Use :func:`keyword.iskeyword` to test for reserved identifiers such as
.. method:: str.islower()
- Return true if all cased characters [4]_ in the string are lowercase and
- there is at least one cased character, false otherwise.
+ Return ``True`` if all cased characters [4]_ in the string are lowercase and
+ there is at least one cased character, ``False`` otherwise.
.. method:: str.isnumeric()
- Return true if all characters in the string are numeric
- characters, and there is at least one character, false
+ Return ``True`` if all characters in the string are numeric
+ characters, and there is at least one character, ``False``
otherwise. Numeric characters include digit characters, and all characters
that have the Unicode numeric value property, e.g. U+2155,
VULGAR FRACTION ONE FIFTH. Formally, numeric characters are those with the property
.. method:: str.isprintable()
- Return true if all characters in the string are printable or the string is
- empty, false otherwise. Nonprintable characters are those characters defined
+ Return ``True`` if all characters in the string are printable or the string is
+ empty, ``False`` otherwise. Nonprintable characters are those characters defined
in the Unicode character database as "Other" or "Separator", excepting the
ASCII space (0x20) which is considered printable. (Note that printable
characters in this context are those which should not be escaped when
.. method:: str.isspace()
- Return true if there are only whitespace characters in the string and there is
- at least one character, false otherwise.
+ Return ``True`` if there are only whitespace characters in the string and there is
+ at least one character, ``False`` otherwise.
A character is *whitespace* if in the Unicode character database
(see :mod:`unicodedata`), either its general category is ``Zs``
.. method:: str.istitle()
- Return true if the string is a titlecased string and there is at least one
+ Return ``True`` if the string is a titlecased string and there is at least one
character, for example uppercase characters may only follow uncased characters
- and lowercase characters only cased ones. Return false otherwise.
+ and lowercase characters only cased ones. Return ``False`` otherwise.
.. method:: str.isupper()
- Return true if all cased characters [4]_ in the string are uppercase and
- there is at least one cased character, false otherwise.
+ Return ``True`` if all cased characters [4]_ in the string are uppercase and
+ there is at least one cased character, ``False`` otherwise.
.. method:: str.join(iterable)
.. method:: bytes.isalnum()
bytearray.isalnum()
- Return true if all bytes in the sequence are alphabetical ASCII characters
- or ASCII decimal digits and the sequence is not empty, false otherwise.
+ Return ``True`` if all bytes in the sequence are alphabetical ASCII characters
+ or ASCII decimal digits and the sequence is not empty, ``False`` otherwise.
Alphabetic ASCII characters are those byte values in the sequence
``b'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'``. ASCII decimal
digits are those byte values in the sequence ``b'0123456789'``.
.. method:: bytes.isalpha()
bytearray.isalpha()
- Return true if all bytes in the sequence are alphabetic ASCII characters
- and the sequence is not empty, false otherwise. Alphabetic ASCII
+ Return ``True`` if all bytes in the sequence are alphabetic ASCII characters
+ and the sequence is not empty, ``False`` otherwise. Alphabetic ASCII
characters are those byte values in the sequence
``b'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'``.
.. method:: bytes.isascii()
bytearray.isascii()
- Return true if the sequence is empty or all bytes in the sequence are ASCII,
- false otherwise.
+ Return ``True`` if the sequence is empty or all bytes in the sequence are ASCII,
+ ``False`` otherwise.
ASCII bytes are in the range 0-0x7F.
.. versionadded:: 3.7
.. method:: bytes.isdigit()
bytearray.isdigit()
- Return true if all bytes in the sequence are ASCII decimal digits
- and the sequence is not empty, false otherwise. ASCII decimal digits are
+ Return ``True`` if all bytes in the sequence are ASCII decimal digits
+ and the sequence is not empty, ``False`` otherwise. ASCII decimal digits are
those byte values in the sequence ``b'0123456789'``.
For example::
.. method:: bytes.islower()
bytearray.islower()
- Return true if there is at least one lowercase ASCII character
- in the sequence and no uppercase ASCII characters, false otherwise.
+ Return ``True`` if there is at least one lowercase ASCII character
+ in the sequence and no uppercase ASCII characters, ``False`` otherwise.
For example::
.. method:: bytes.isspace()
bytearray.isspace()
- Return true if all bytes in the sequence are ASCII whitespace and the
- sequence is not empty, false otherwise. ASCII whitespace characters are
+ Return ``True`` if all bytes in the sequence are ASCII whitespace and the
+ sequence is not empty, ``False`` otherwise. ASCII whitespace characters are
those byte values in the sequence ``b' \t\n\r\x0b\f'`` (space, tab, newline,
carriage return, vertical tab, form feed).
.. method:: bytes.istitle()
bytearray.istitle()
- Return true if the sequence is ASCII titlecase and the sequence is not
- empty, false otherwise. See :meth:`bytes.title` for more details on the
+ Return ``True`` if the sequence is ASCII titlecase and the sequence is not
+ empty, ``False`` otherwise. See :meth:`bytes.title` for more details on the
definition of "titlecase".
For example::
.. method:: bytes.isupper()
bytearray.isupper()
- Return true if there is at least one uppercase alphabetic ASCII character
- in the sequence and no lowercase ASCII characters, false otherwise.
+ Return ``True`` if there is at least one uppercase alphabetic ASCII character
+ in the sequence and no lowercase ASCII characters, ``False`` otherwise.
For example::
As a result, these tables are exposed as functions, not as data structures.
There are two kinds of tables in the RFC: sets and mappings. For a set,
:mod:`stringprep` provides the "characteristic function", i.e. a function that
-returns true if the parameter is part of the set. For mappings, it provides the
+returns ``True`` if the parameter is part of the set. For mappings, it provides the
mapping function: given the key, it returns the associated value. Below is a
list of all functions available in the module.
On Windows, UTF-8 is used for the console device. Non-character
devices such as disk files and pipes use the system locale
encoding (i.e. the ANSI codepage). Non-console character
- devices such as NUL (i.e. where isatty() returns True) use the
+ devices such as NUL (i.e. where ``isatty()`` returns ``True``) use the
value of the console input and output codepages at startup,
respectively for stdin and stdout/stderr. This defaults to the
system locale encoding if the process is not initially attached
There is no return value in this case.
When invoked with the *blocking* argument set to true, do the same thing as when
- called without arguments, and return true.
+ called without arguments, and return ``True``.
When invoked with the *blocking* argument set to false, do not block. If a call
- without an argument would block, return false immediately; otherwise, do the
- same thing as when called without arguments, and return true.
+ without an argument would block, return ``False`` immediately; otherwise, do the
+ same thing as when called without arguments, and return ``True``.
When invoked with the floating-point *timeout* argument set to a positive
value, block for at most the number of seconds specified by *timeout*
- and as long as the lock cannot be acquired. Return true if the lock has
+ and as long as the lock cannot be acquired. Return ``True`` if the lock has
been acquired, false if the timeout has elapsed.
.. versionchanged:: 3.2
When invoked without arguments:
* If the internal counter is larger than zero on entry, decrement it by
- one and return true immediately.
+ one and return ``True`` immediately.
* If the internal counter is zero on entry, block until awoken by a call to
:meth:`~Semaphore.release`. Once awoken (and the counter is greater
- than 0), decrement the counter by 1 and return true. Exactly one
+ than 0), decrement the counter by 1 and return ``True``. Exactly one
thread will be awoken by each call to :meth:`~Semaphore.release`. The
order in which threads are awoken should not be relied on.
When invoked with *blocking* set to false, do not block. If a call
- without an argument would block, return false immediately; otherwise, do
- the same thing as when called without arguments, and return true.
+ without an argument would block, return ``False`` immediately; otherwise, do
+ the same thing as when called without arguments, and return ``True``.
When invoked with a *timeout* other than ``None``, it will block for at
most *timeout* seconds. If acquire does not complete successfully in
- that interval, return false. Return true otherwise.
+ that interval, return ``False``. Return ``True`` otherwise.
.. versionchanged:: 3.2
The *timeout* parameter is new.
.. method:: is_set()
- Return true if and only if the internal flag is true.
+ Return ``True`` if and only if the internal flag is true.
.. method:: set()
floating point number specifying a timeout for the operation in seconds
(or fractions thereof).
- This method returns true if and only if the internal flag has been set to
+ This method returns ``True`` if and only if the internal flag has been set to
true, either before the wait call or after the wait starts, so it will
always return ``True`` except if a timeout is given and the operation
times out.
| | remaining values are assumed empty. If there are more values |
| | than columns, the extra values are ignored. |
+--------+---------------------------------------------------------------+
- | open | True/False value indicating whether the item's children should|
- | | be displayed or hidden. |
+ | open | ``True``/``False`` value indicating whether the item's |
+ | | children should be displayed or hidden. |
+--------+---------------------------------------------------------------+
| tags | A list of tags associated with this item. |
+--------+---------------------------------------------------------------+
The minimum width of the column in pixels. The treeview widget will
not make the column any smaller than specified by this option when
the widget is resized or the user drags a column.
- * stretch: True/False
+ * stretch: ``True``/``False``
Specifies whether the column's width should be adjusted when
the widget is resized.
* width: width
.. function:: ISTERMINAL(x)
- Return true for terminal token values.
+ Return ``True`` for terminal token values.
.. function:: ISNONTERMINAL(x)
- Return true for non-terminal token values.
+ Return ``True`` for non-terminal token values.
.. function:: ISEOF(x)
- Return true if *x* is the marker indicating the end of input.
+ Return ``True`` if *x* is the marker indicating the end of input.
The token constants are:
assert the mock has been called with the specified calls.
The :attr:`mock_calls` list is checked for the calls.
- If *any_order* is false (the default) then the calls must be
+ If *any_order* is false then the calls must be
sequential. There can be extra calls before or after the
specified calls.
Methods and their defaults:
-* ``__lt__``: NotImplemented
-* ``__gt__``: NotImplemented
-* ``__le__``: NotImplemented
-* ``__ge__``: NotImplemented
-* ``__int__``: 1
-* ``__contains__``: False
-* ``__len__``: 0
-* ``__iter__``: iter([])
-* ``__exit__``: False
-* ``__complex__``: 1j
-* ``__float__``: 1.0
-* ``__bool__``: True
-* ``__index__``: 1
+* ``__lt__``: ``NotImplemented``
+* ``__gt__``: ``NotImplemented``
+* ``__le__``: ``NotImplemented``
+* ``__ge__``: ``NotImplemented``
+* ``__int__``: ``1``
+* ``__contains__``: ``False``
+* ``__len__``: ``0``
+* ``__iter__``: ``iter([])``
+* ``__exit__``: ``False``
+* ``__complex__``: ``1j``
+* ``__float__``: ``1.0``
+* ``__bool__``: ``True``
+* ``__index__``: ``1``
* ``__hash__``: default hash for the mock
* ``__str__``: default str for the mock
* ``__sizeof__``: default sizeof for the mock
This builder installs setuptools and pip so that you can pip or
easy_install other packages into the created virtual environment.
- :param nodist: If True, setuptools and pip are not installed into the
+ :param nodist: If true, setuptools and pip are not installed into the
created virtual environment.
- :param nopip: If True, pip is not installed into the created
+ :param nopip: If true, pip is not installed into the created
virtual environment.
:param progress: If setuptools or pip are installed, the progress of the
installation can be monitored by passing a progress
.. function:: is_hop_by_hop(header_name)
- Return true if 'header_name' is an HTTP/1.1 "Hop-by-Hop" header, as defined by
+ Return ``True`` if 'header_name' is an HTTP/1.1 "Hop-by-Hop" header, as defined by
:rfc:`2616`.
.. method:: DOMImplementation.hasFeature(feature, version)
- Return true if the feature identified by the pair of strings *feature* and
+ Return ``True`` if the feature identified by the pair of strings *feature* and
*version* is implemented.
.. method:: Node.hasAttributes()
- Returns true if the node has any attributes.
+ Return ``True`` if the node has any attributes.
.. method:: Node.hasChildNodes()
- Returns true if the node has any child nodes.
+ Return ``True`` if the node has any child nodes.
.. method:: Node.isSameNode(other)
- Returns true if *other* refers to the same node as this node. This is especially
+ Return ``True`` if *other* refers to the same node as this node. This is especially
useful for DOM implementations which use any sort of proxy architecture (because
more than one object can refer to the same node).
.. method:: Element.hasAttribute(name)
- Returns true if the element has an attribute named by *name*.
+ Return ``True`` if the element has an attribute named by *name*.
.. method:: Element.hasAttributeNS(namespaceURI, localName)
- Returns true if the element has an attribute named by *namespaceURI* and
+ Return ``True`` if the element has an attribute named by *namespaceURI* and
*localName*.
.. function:: iselement(element)
- Checks if an object appears to be a valid element object. *element* is an
- element instance. Returns a true value if this is an element object.
+ Check if an object appears to be a valid element object. *element* is an
+ element instance. Return ``True`` if this is an element object.
.. function:: iterparse(source, events=None, parser=None)
library/urllib.request,,:lang,"xmlns=""http://www.w3.org/1999/xhtml"" xml:lang=""en"" lang=""en"">\n\n<head>\n"
library/urllib.request,,:password,"""joe:password@python.org"""
library/uuid,,:uuid,urn:uuid:12345678-1234-5678-1234-567812345678
-library/venv,,:param,":param nodist: If True, setuptools and pip are not installed into the"
+library/venv,,:param,":param nodist: If true, setuptools and pip are not installed into the"
library/venv,,:param,":param progress: If setuptools or pip are installed, the progress of the"
-library/venv,,:param,":param nopip: If True, pip is not installed into the created"
+library/venv,,:param,":param nopip: If true, pip is not installed into the created"
library/venv,,:param,:param context: The information for the virtual environment
library/xmlrpc.client,,:nil,ex:nil
library/xmlrpc.client,,:pass,http://user:pass@host:port/path
def IS_LINE_JUNK(line, pat=re.compile(r"\s*(?:#\s*)?$").match):
r"""
- Return 1 for ignorable line: iff `line` is blank or contains a single '#'.
+ Return True for ignorable line: iff `line` is blank or contains a single '#'.
Examples:
def IS_CHARACTER_JUNK(ch, ws=" \t"):
r"""
- Return 1 for ignorable character: iff `ch` is a space or tab.
+ Return True for ignorable character: iff `ch` is a space or tab.
Examples:
"""Return window class name of this widget."""
return self.tk.call('winfo', 'class', self._w)
def winfo_colormapfull(self):
- """Return true if at the last color request the colormap was full."""
+ """Return True if at the last color request the colormap was full."""
return self.tk.getboolean(
self.tk.call('winfo', 'colormapfull', self._w))
def winfo_containing(self, rootX, rootY, displayof=0):
'selection', 'clear', first, last)
select_clear = selection_clear
def selection_includes(self, index):
- """Return 1 if INDEX is part of the selection."""
+ """Return True if INDEX is part of the selection."""
return self.tk.getboolean(self.tk.call(
self._w, 'selection', 'includes', index))
select_includes = selection_includes