forked from orbit-oss/flask
docs: `True, False and None`
This commit is contained in:
parent
6dbb015b43
commit
8284217593
19 changed files with 99 additions and 99 deletions
10
CHANGES
10
CHANGES
|
|
@ -12,9 +12,9 @@ Version 1.0
|
|||
additional keyword arguments to the constructor of
|
||||
:attr:`flask.Flask.test_client_class`.
|
||||
- Added ``SESSION_REFRESH_EACH_REQUEST`` config key that controls the
|
||||
set-cookie behavior. If set to `True` a permanent session will be
|
||||
set-cookie behavior. If set to ``True`` a permanent session will be
|
||||
refreshed each request and get their lifetime extended, if set to
|
||||
`False` it will only be modified if the session actually modifies.
|
||||
``False`` it will only be modified if the session actually modifies.
|
||||
Non permanent sessions are not affected by this and will always
|
||||
expire if the browser window closes.
|
||||
- Made Flask support custom JSON mimetypes for incoming data.
|
||||
|
|
@ -183,7 +183,7 @@ Released on July 1st 2012, codename Campari.
|
|||
explicitly.
|
||||
- Unregister a circular dependency between the WSGI environment and
|
||||
the request object when shutting down the request. This means that
|
||||
environ ``werkzeug.request`` will be `None` after the response was
|
||||
environ ``werkzeug.request`` will be ``None`` after the response was
|
||||
returned to the WSGI server but has the advantage that the garbage
|
||||
collector is not needed on CPython to tear down the request unless
|
||||
the user created circular dependencies themselves.
|
||||
|
|
@ -204,8 +204,8 @@ Released on July 1st 2012, codename Campari.
|
|||
- The :func:`flask.get_flashed_messages` function now allows rendering flashed
|
||||
message categories in separate blocks, through a ``category_filter``
|
||||
argument.
|
||||
- The :meth:`flask.Flask.run` method now accepts `None` for `host` and `port`
|
||||
arguments, using default values when `None`. This allows for calling run
|
||||
- The :meth:`flask.Flask.run` method now accepts ``None`` for `host` and `port`
|
||||
arguments, using default values when ``None``. This allows for calling run
|
||||
using configuration values, e.g. ``app.run(app.config.get('MYHOST'),
|
||||
app.config.get('MYPORT'))``, with proper behavior whether or not a config
|
||||
file is provided.
|
||||
|
|
|
|||
18
docs/api.rst
18
docs/api.rst
|
|
@ -115,7 +115,7 @@ Incoming Request Data
|
|||
|
||||
.. attribute:: is_xhr
|
||||
|
||||
`True` if the request was triggered via a JavaScript
|
||||
``True`` if the request was triggered via a JavaScript
|
||||
`XMLHttpRequest`. This only works with libraries that support the
|
||||
``X-Requested-With`` header and set it to `XMLHttpRequest`.
|
||||
Libraries that do that are prototype, jQuery and Mochikit and
|
||||
|
|
@ -178,14 +178,14 @@ To access the current session you can use the :class:`session` object:
|
|||
|
||||
.. attribute:: new
|
||||
|
||||
`True` if the session is new, `False` otherwise.
|
||||
``True`` if the session is new, ``False`` otherwise.
|
||||
|
||||
.. attribute:: modified
|
||||
|
||||
`True` if the session object detected a modification. Be advised
|
||||
``True`` if the session object detected a modification. Be advised
|
||||
that modifications on mutable structures are not picked up
|
||||
automatically, in that situation you have to explicitly set the
|
||||
attribute to `True` yourself. Here an example::
|
||||
attribute to ``True`` yourself. Here an example::
|
||||
|
||||
# this change is not picked up because a mutable object (here
|
||||
# a list) is changed.
|
||||
|
|
@ -195,9 +195,9 @@ To access the current session you can use the :class:`session` object:
|
|||
|
||||
.. attribute:: permanent
|
||||
|
||||
If set to `True` the session lives for
|
||||
If set to ``True`` the session lives for
|
||||
:attr:`~flask.Flask.permanent_session_lifetime` seconds. The
|
||||
default is 31 days. If set to `False` (which is the default) the
|
||||
default is 31 days. If set to ``False`` (which is the default) the
|
||||
session will be deleted when the user closes the browser.
|
||||
|
||||
|
||||
|
|
@ -279,7 +279,7 @@ thing, like it does for :class:`request` and :class:`session`.
|
|||
pattern for testing.
|
||||
|
||||
Additionally as of 0.10 you can use the :meth:`get` method to
|
||||
get an attribute or `None` (or the second argument) if it's not set.
|
||||
get an attribute or ``None`` (or the second argument) if it's not set.
|
||||
These two usages are now equivalent::
|
||||
|
||||
user = getattr(flask.g, 'user', None)
|
||||
|
|
@ -516,7 +516,7 @@ Signals
|
|||
|
||||
.. data:: signals_available
|
||||
|
||||
`True` if the signaling system is available. This is the case
|
||||
``True`` if the signaling system is available. This is the case
|
||||
when `blinker`_ is installed.
|
||||
|
||||
.. data:: template_rendered
|
||||
|
|
@ -782,7 +782,7 @@ Command Line Interface
|
|||
A special decorator that informs a click callback to be passed the
|
||||
script info object as first argument. This is normally not useful
|
||||
unless you implement very special commands like the run command which
|
||||
does not want the application to be loaded yet.
|
||||
does not want the application to be loaded yet.
|
||||
|
||||
.. autodata:: run_command
|
||||
|
||||
|
|
|
|||
|
|
@ -56,7 +56,7 @@ The following configuration values are used internally by Flask:
|
|||
``TESTING`` enable/disable testing mode
|
||||
``PROPAGATE_EXCEPTIONS`` explicitly enable or disable the
|
||||
propagation of exceptions. If not set or
|
||||
explicitly set to `None` this is
|
||||
explicitly set to ``None`` this is
|
||||
implicitly true if either `TESTING` or
|
||||
`DEBUG` is true.
|
||||
``PRESERVE_CONTEXT_ON_EXCEPTION`` By default if the application is in
|
||||
|
|
@ -80,20 +80,20 @@ The following configuration values are used internally by Flask:
|
|||
that is not set for ``'/'``.
|
||||
``SESSION_COOKIE_HTTPONLY`` controls if the cookie should be set
|
||||
with the httponly flag. Defaults to
|
||||
`True`.
|
||||
``True``.
|
||||
``SESSION_COOKIE_SECURE`` controls if the cookie should be set
|
||||
with the secure flag. Defaults to
|
||||
`False`.
|
||||
``False``.
|
||||
``PERMANENT_SESSION_LIFETIME`` the lifetime of a permanent session as
|
||||
:class:`datetime.timedelta` object.
|
||||
Starting with Flask 0.8 this can also be
|
||||
an integer representing seconds.
|
||||
``SESSION_REFRESH_EACH_REQUEST`` this flag controls how permanent
|
||||
sessions are refreshed. If set to `True`
|
||||
sessions are refreshed. If set to ``True``
|
||||
(which is the default) then the cookie
|
||||
is refreshed each request which
|
||||
automatically bumps the lifetime. If
|
||||
set to `False` a `set-cookie` header is
|
||||
set to ``False`` a `set-cookie` header is
|
||||
only sent if the session is modified.
|
||||
Non permanent sessions are not affected
|
||||
by this.
|
||||
|
|
|
|||
|
|
@ -176,7 +176,7 @@ request path up to the first slash::
|
|||
return app(environ, start_response)
|
||||
|
||||
The big difference between this and the subdomain one is that this one
|
||||
falls back to another application if the creator function returns `None`::
|
||||
falls back to another application if the creator function returns ``None``::
|
||||
|
||||
from myapplication import create_app, default_app, get_user_for_prefix
|
||||
|
||||
|
|
|
|||
|
|
@ -50,7 +50,7 @@ operations: :meth:`~werkzeug.contrib.cache.BaseCache.get` and
|
|||
To get an item from the cache call
|
||||
:meth:`~werkzeug.contrib.cache.BaseCache.get` with a string as key name.
|
||||
If something is in the cache, it is returned. Otherwise that function
|
||||
will return `None`::
|
||||
will return ``None``::
|
||||
|
||||
rv = cache.get('my-item')
|
||||
|
||||
|
|
|
|||
|
|
@ -109,7 +109,7 @@ your tarball::
|
|||
|
||||
Don't forget that even if you enlist them in your `MANIFEST.in` file, they
|
||||
won't be installed for you unless you set the `include_package_data`
|
||||
parameter of the `setup` function to `True`!
|
||||
parameter of the `setup` function to ``True``!
|
||||
|
||||
|
||||
Declaring Dependencies
|
||||
|
|
|
|||
|
|
@ -76,7 +76,7 @@ Here is an example document (put this also into `app.py`, e.g.)::
|
|||
This example shows you how to define your schema (named structure), a
|
||||
validator for the maximum character length and uses a special MongoKit feature
|
||||
called `use_dot_notation`. Per default MongoKit behaves like a python
|
||||
dictionary but with `use_dot_notation` set to `True` you can use your
|
||||
dictionary but with `use_dot_notation` set to ``True`` you can use your
|
||||
documents like you use models in nearly any other ORM by using dots to
|
||||
separate between attributes.
|
||||
|
||||
|
|
|
|||
|
|
@ -23,7 +23,7 @@ often forgotten, but you don't have to do that by hand, there is a
|
|||
function for that that is used like a decorator (:func:`functools.wraps`).
|
||||
|
||||
This example assumes that the login page is called ``'login'`` and that
|
||||
the current user is stored as `g.user` and `None` if there is no-one
|
||||
the current user is stored as `g.user` and ``None`` if there is no-one
|
||||
logged in::
|
||||
|
||||
from functools import wraps
|
||||
|
|
@ -120,7 +120,7 @@ As you can see, if no template name is provided it will use the endpoint
|
|||
of the URL map with dots converted to slashes + ``'.html'``. Otherwise
|
||||
the provided template name is used. When the decorated function returns,
|
||||
the dictionary returned is passed to the template rendering function. If
|
||||
`None` is returned, an empty dictionary is assumed, if something else than
|
||||
``None`` is returned, an empty dictionary is assumed, if something else than
|
||||
a dictionary is returned we return it from the function unchanged. That
|
||||
way you can still use the redirect function or return simple strings.
|
||||
|
||||
|
|
@ -151,15 +151,15 @@ Endpoint Decorator
|
|||
------------------
|
||||
|
||||
When you want to use the werkzeug routing system for more flexibility you
|
||||
need to map the endpoint as defined in the :class:`~werkzeug.routing.Rule`
|
||||
to a view function. This is possible with this decorator. For example::
|
||||
need to map the endpoint as defined in the :class:`~werkzeug.routing.Rule`
|
||||
to a view function. This is possible with this decorator. For example::
|
||||
|
||||
from flask import Flask
|
||||
from werkzeug.routing import Rule
|
||||
|
||||
app = Flask(__name__)
|
||||
app.url_map.add(Rule('/', endpoint='index'))
|
||||
app = Flask(__name__)
|
||||
app.url_map.add(Rule('/', endpoint='index'))
|
||||
|
||||
@app.endpoint('index')
|
||||
def my_index():
|
||||
return "Hello world"
|
||||
@app.endpoint('index')
|
||||
def my_index():
|
||||
return "Hello world"
|
||||
|
|
|
|||
|
|
@ -64,7 +64,7 @@ Things to remember:
|
|||
the data is submitted via the HTTP `POST` method and
|
||||
:attr:`~flask.request.args` if the data is submitted as `GET`.
|
||||
2. to validate the data, call the :func:`~wtforms.form.Form.validate`
|
||||
method which will return `True` if the data validates, `False`
|
||||
method which will return ``True`` if the data validates, ``False``
|
||||
otherwise.
|
||||
3. to access individual values from the form, access `form.<NAME>.data`.
|
||||
|
||||
|
|
|
|||
|
|
@ -108,7 +108,7 @@ Comparisons:
|
|||
- against arbitrary types: ``==`` and ``!=``
|
||||
- against singletons with ``is`` and ``is not`` (eg: ``foo is not
|
||||
None``)
|
||||
- never compare something with `True` or `False` (for example never
|
||||
- never compare something with ``True`` or ``False`` (for example never
|
||||
do ``foo == False``, do ``not foo`` instead)
|
||||
|
||||
Negated containment checks:
|
||||
|
|
|
|||
|
|
@ -53,7 +53,7 @@ every time the app context tears down. So what does this mean?
|
|||
Essentially the app context is created before the request comes in and is
|
||||
destroyed (torn down) whenever the request finishes. A teardown can
|
||||
happen because of two reasons: either everything went well (the error
|
||||
parameter will be `None`) or an exception happened in which case the error
|
||||
parameter will be ``None``) or an exception happened in which case the error
|
||||
is passed to the teardown function.
|
||||
|
||||
Curious about what these contexts mean? Have a look at the
|
||||
|
|
|
|||
|
|
@ -46,7 +46,7 @@ redirect back to the `show_entries` page::
|
|||
return redirect(url_for('show_entries'))
|
||||
|
||||
Note that we check that the user is logged in here (the `logged_in` key is
|
||||
present in the session and `True`).
|
||||
present in the session and ``True``).
|
||||
|
||||
.. admonition:: Security Note
|
||||
|
||||
|
|
@ -61,7 +61,7 @@ Login and Logout
|
|||
These functions are used to sign the user in and out. Login checks the
|
||||
username and password against the ones from the configuration and sets the
|
||||
`logged_in` key in the session. If the user logged in successfully, that
|
||||
key is set to `True`, and the user is redirected back to the `show_entries`
|
||||
key is set to ``True``, and the user is redirected back to the `show_entries`
|
||||
page. In addition, a message is flashed that informs the user that he or
|
||||
she was logged in successfully. If an error occurred, the template is
|
||||
notified about that, and the user is asked again::
|
||||
|
|
|
|||
52
flask/app.py
52
flask/app.py
|
|
@ -135,7 +135,7 @@ class Flask(_PackageBoundObject):
|
|||
By default the folder ``'instance'`` next to the
|
||||
package or module is assumed to be the instance
|
||||
path.
|
||||
:param instance_relative_config: if set to `True` relative filenames
|
||||
:param instance_relative_config: if set to ``True`` relative filenames
|
||||
for loading the config are assumed to
|
||||
be relative to the instance path instead
|
||||
of the application root.
|
||||
|
|
@ -193,16 +193,16 @@ class Flask(_PackageBoundObject):
|
|||
#: .. versionadded:: 1.0
|
||||
config_class = Config
|
||||
|
||||
#: The debug flag. Set this to `True` to enable debugging of the
|
||||
#: The debug flag. Set this to ``True`` to enable debugging of the
|
||||
#: application. In debug mode the debugger will kick in when an unhandled
|
||||
#: exception occurs and the integrated server will automatically reload
|
||||
#: the application if changes in the code are detected.
|
||||
#:
|
||||
#: This attribute can also be configured from the config with the `DEBUG`
|
||||
#: configuration key. Defaults to `False`.
|
||||
#: configuration key. Defaults to ``False``.
|
||||
debug = ConfigAttribute('DEBUG')
|
||||
|
||||
#: The testing flag. Set this to `True` to enable the test mode of
|
||||
#: The testing flag. Set this to ``True`` to enable the test mode of
|
||||
#: Flask extensions (and in the future probably also Flask itself).
|
||||
#: For example this might activate unittest helpers that have an
|
||||
#: additional runtime cost which should not be enabled by default.
|
||||
|
|
@ -211,7 +211,7 @@ class Flask(_PackageBoundObject):
|
|||
#: default it's implicitly enabled.
|
||||
#:
|
||||
#: This attribute can also be configured from the config with the
|
||||
#: `TESTING` configuration key. Defaults to `False`.
|
||||
#: `TESTING` configuration key. Defaults to ``False``.
|
||||
testing = ConfigAttribute('TESTING')
|
||||
|
||||
#: If a secret key is set, cryptographic components can use this to
|
||||
|
|
@ -219,7 +219,7 @@ class Flask(_PackageBoundObject):
|
|||
#: when you want to use the secure cookie for instance.
|
||||
#:
|
||||
#: This attribute can also be configured from the config with the
|
||||
#: `SECRET_KEY` configuration key. Defaults to `None`.
|
||||
#: `SECRET_KEY` configuration key. Defaults to ``None``.
|
||||
secret_key = ConfigAttribute('SECRET_KEY')
|
||||
|
||||
#: The secure cookie uses this for the name of the session cookie.
|
||||
|
|
@ -245,7 +245,7 @@ class Flask(_PackageBoundObject):
|
|||
#: .. versionadded:: 0.2
|
||||
#:
|
||||
#: This attribute can also be configured from the config with the
|
||||
#: `USE_X_SENDFILE` configuration key. Defaults to `False`.
|
||||
#: `USE_X_SENDFILE` configuration key. Defaults to ``False``.
|
||||
use_x_sendfile = ConfigAttribute('USE_X_SENDFILE')
|
||||
|
||||
#: The name of the logger to use. By default the logger name is the
|
||||
|
|
@ -364,11 +364,11 @@ class Flask(_PackageBoundObject):
|
|||
# :attr:`error_handler_spec` shall be used now.
|
||||
self._error_handlers = {}
|
||||
|
||||
#: A dictionary of all registered error handlers. The key is `None`
|
||||
#: A dictionary of all registered error handlers. The key is ``None``
|
||||
#: for error handlers active on the application, otherwise the key is
|
||||
#: the name of the blueprint. Each key points to another dictionary
|
||||
#: where the key is the status code of the http exception. The
|
||||
#: special key `None` points to a list of tuples where the first item
|
||||
#: special key ``None`` points to a list of tuples where the first item
|
||||
#: is the class for the instance check and the second the error handler
|
||||
#: function.
|
||||
#:
|
||||
|
|
@ -379,7 +379,7 @@ class Flask(_PackageBoundObject):
|
|||
#: A list of functions that are called when :meth:`url_for` raises a
|
||||
#: :exc:`~werkzeug.routing.BuildError`. Each function registered here
|
||||
#: is called with `error`, `endpoint` and `values`. If a function
|
||||
#: returns `None` or raises a `BuildError` the next function is
|
||||
#: returns ``None`` or raises a `BuildError` the next function is
|
||||
#: tried.
|
||||
#:
|
||||
#: .. versionadded:: 0.9
|
||||
|
|
@ -387,7 +387,7 @@ class Flask(_PackageBoundObject):
|
|||
|
||||
#: A dictionary with lists of functions that should be called at the
|
||||
#: beginning of the request. The key of the dictionary is the name of
|
||||
#: the blueprint this function is active for, `None` for all requests.
|
||||
#: the blueprint this function is active for, ``None`` for all requests.
|
||||
#: This can for example be used to open database connections or
|
||||
#: getting hold of the currently logged in user. To register a
|
||||
#: function here, use the :meth:`before_request` decorator.
|
||||
|
|
@ -402,7 +402,7 @@ class Flask(_PackageBoundObject):
|
|||
|
||||
#: A dictionary with lists of functions that should be called after
|
||||
#: each request. The key of the dictionary is the name of the blueprint
|
||||
#: this function is active for, `None` for all requests. This can for
|
||||
#: this function is active for, ``None`` for all requests. This can for
|
||||
#: example be used to open database connections or getting hold of the
|
||||
#: currently logged in user. To register a function here, use the
|
||||
#: :meth:`after_request` decorator.
|
||||
|
|
@ -411,7 +411,7 @@ class Flask(_PackageBoundObject):
|
|||
#: A dictionary with lists of functions that are called after
|
||||
#: each request, even if an exception has occurred. The key of the
|
||||
#: dictionary is the name of the blueprint this function is active for,
|
||||
#: `None` for all requests. These functions are not allowed to modify
|
||||
#: ``None`` for all requests. These functions are not allowed to modify
|
||||
#: the request, and their return values are ignored. If an exception
|
||||
#: occurred while processing the request, it gets passed to each
|
||||
#: teardown_request function. To register a function here, use the
|
||||
|
|
@ -431,7 +431,7 @@ class Flask(_PackageBoundObject):
|
|||
#: A dictionary with lists of functions that can be used as URL
|
||||
#: value processor functions. Whenever a URL is built these functions
|
||||
#: are called to modify the dictionary of values in place. The key
|
||||
#: `None` here is used for application wide
|
||||
#: ``None`` here is used for application wide
|
||||
#: callbacks, otherwise the key is the name of the blueprint.
|
||||
#: Each of these functions has the chance to modify the dictionary
|
||||
#:
|
||||
|
|
@ -439,7 +439,7 @@ class Flask(_PackageBoundObject):
|
|||
self.url_value_preprocessors = {}
|
||||
|
||||
#: A dictionary with lists of functions that can be used as URL value
|
||||
#: preprocessors. The key `None` here is used for application wide
|
||||
#: preprocessors. The key ``None`` here is used for application wide
|
||||
#: callbacks, otherwise the key is the name of the blueprint.
|
||||
#: Each of these functions has the chance to modify the dictionary
|
||||
#: of URL values before they are used as the keyword arguments of the
|
||||
|
|
@ -452,7 +452,7 @@ class Flask(_PackageBoundObject):
|
|||
|
||||
#: A dictionary with list of functions that are called without argument
|
||||
#: to populate the template context. The key of the dictionary is the
|
||||
#: name of the blueprint this function is active for, `None` for all
|
||||
#: name of the blueprint this function is active for, ``None`` for all
|
||||
#: requests. Each returns a dictionary that the template context is
|
||||
#: updated with. To register a function here, use the
|
||||
#: :meth:`context_processor` decorator.
|
||||
|
|
@ -612,7 +612,7 @@ class Flask(_PackageBoundObject):
|
|||
|
||||
@property
|
||||
def got_first_request(self):
|
||||
"""This attribute is set to `True` if the application started
|
||||
"""This attribute is set to ``True`` if the application started
|
||||
handling the first request.
|
||||
|
||||
.. versionadded:: 0.8
|
||||
|
|
@ -715,7 +715,7 @@ class Flask(_PackageBoundObject):
|
|||
"""
|
||||
|
||||
def select_jinja_autoescape(self, filename):
|
||||
"""Returns `True` if autoescaping should be active for the given
|
||||
"""Returns ``True`` if autoescaping should be active for the given
|
||||
template name.
|
||||
|
||||
.. versionadded:: 0.5
|
||||
|
|
@ -782,7 +782,7 @@ class Flask(_PackageBoundObject):
|
|||
unless it is in debug mode. As such to enable just the
|
||||
interactive debugger without the code reloading, you have to
|
||||
invoke :meth:`run` with ``debug=True`` and ``use_reloader=False``.
|
||||
Setting ``use_debugger`` to `True` without being in debug mode
|
||||
Setting ``use_debugger`` to ``True`` without being in debug mode
|
||||
won't catch any exceptions because there won't be any to
|
||||
catch.
|
||||
|
||||
|
|
@ -1102,8 +1102,8 @@ class Flask(_PackageBoundObject):
|
|||
however is discouraged as it requires fiddling with nested dictionaries
|
||||
and the special case for arbitrary exception types.
|
||||
|
||||
The first `None` refers to the active blueprint. If the error
|
||||
handler should be application wide `None` shall be used.
|
||||
The first ``None`` refers to the active blueprint. If the error
|
||||
handler should be application wide ``None`` shall be used.
|
||||
|
||||
.. versionadded:: 0.7
|
||||
Use :meth:`register_error_handler` instead of modifying
|
||||
|
|
@ -1392,12 +1392,12 @@ class Flask(_PackageBoundObject):
|
|||
|
||||
def trap_http_exception(self, e):
|
||||
"""Checks if an HTTP exception should be trapped or not. By default
|
||||
this will return `False` for all exceptions except for a bad request
|
||||
key error if ``TRAP_BAD_REQUEST_ERRORS`` is set to `True`. It
|
||||
also returns `True` if ``TRAP_HTTP_EXCEPTIONS`` is set to `True`.
|
||||
this will return ``False`` for all exceptions except for a bad request
|
||||
key error if ``TRAP_BAD_REQUEST_ERRORS`` is set to ``True``. It
|
||||
also returns ``True`` if ``TRAP_HTTP_EXCEPTIONS`` is set to ``True``.
|
||||
|
||||
This is called for all HTTP exceptions raised by a view function.
|
||||
If it returns `True` for any exception the error handler for this
|
||||
If it returns ``True`` for any exception the error handler for this
|
||||
exception is not called and it shows up as regular exception in the
|
||||
traceback. This is helpful for debugging implicitly raised HTTP
|
||||
exceptions.
|
||||
|
|
@ -1584,7 +1584,7 @@ class Flask(_PackageBoundObject):
|
|||
def should_ignore_error(self, error):
|
||||
"""This is called to figure out if an error should be ignored
|
||||
or not as far as the teardown system is concerned. If this
|
||||
function returns `True` then the teardown handlers will not be
|
||||
function returns ``True`` then the teardown handlers will not be
|
||||
passed the error.
|
||||
|
||||
.. versionadded:: 0.10
|
||||
|
|
|
|||
|
|
@ -42,7 +42,7 @@ class BlueprintSetupState(object):
|
|||
if subdomain is None:
|
||||
subdomain = self.blueprint.subdomain
|
||||
|
||||
#: The subdomain that the blueprint should be active for, `None`
|
||||
#: The subdomain that the blueprint should be active for, ``None``
|
||||
#: otherwise.
|
||||
self.subdomain = subdomain
|
||||
|
||||
|
|
|
|||
|
|
@ -93,9 +93,9 @@ class Config(dict):
|
|||
app.config.from_pyfile(os.environ['YOURAPPLICATION_SETTINGS'])
|
||||
|
||||
:param variable_name: name of the environment variable
|
||||
:param silent: set to `True` if you want silent failure for missing
|
||||
:param silent: set to ``True`` if you want silent failure for missing
|
||||
files.
|
||||
:return: bool. `True` if able to load config, `False` otherwise.
|
||||
:return: bool. ``True`` if able to load config, ``False`` otherwise.
|
||||
"""
|
||||
rv = os.environ.get(variable_name)
|
||||
if not rv:
|
||||
|
|
@ -116,7 +116,7 @@ class Config(dict):
|
|||
:param filename: the filename of the config. This can either be an
|
||||
absolute filename or a filename relative to the
|
||||
root path.
|
||||
:param silent: set to `True` if you want silent failure for missing
|
||||
:param silent: set to ``True`` if you want silent failure for missing
|
||||
files.
|
||||
|
||||
.. versionadded:: 0.7
|
||||
|
|
@ -173,7 +173,7 @@ class Config(dict):
|
|||
:param filename: the filename of the JSON file. This can either be an
|
||||
absolute filename or a filename relative to the
|
||||
root path.
|
||||
:param silent: set to `True` if you want silent failure for missing
|
||||
:param silent: set to ``True`` if you want silent failure for missing
|
||||
files.
|
||||
|
||||
.. versionadded:: 1.0
|
||||
|
|
|
|||
|
|
@ -210,7 +210,7 @@ class RequestContext(object):
|
|||
exceptions happen so that interactive debuggers have a chance to
|
||||
introspect the data. With 0.4 this can also be forced for requests
|
||||
that did not fail and outside of `DEBUG` mode. By setting
|
||||
``'flask._preserve_context'`` to `True` on the WSGI environment the
|
||||
``'flask._preserve_context'`` to ``True`` on the WSGI environment the
|
||||
context will not pop itself at the end of the request. This is used by
|
||||
the :meth:`~flask.Flask.test_client` for example to implement the
|
||||
deferred cleanup functionality.
|
||||
|
|
|
|||
|
|
@ -188,7 +188,7 @@ def url_for(endpoint, **values):
|
|||
|
||||
Variable arguments that are unknown to the target endpoint are appended
|
||||
to the generated URL as query arguments. If the value of a query argument
|
||||
is `None`, the whole pair is skipped. In case blueprints are active
|
||||
is ``None``, the whole pair is skipped. In case blueprints are active
|
||||
you can shortcut references to the same blueprint by prefixing the
|
||||
local endpoint with a dot (``.``).
|
||||
|
||||
|
|
@ -203,7 +203,7 @@ def url_for(endpoint, **values):
|
|||
function results in a :exc:`~werkzeug.routing.BuildError` when the current
|
||||
app does not have a URL for the given endpoint and values. When it does, the
|
||||
:data:`~flask.current_app` calls its :attr:`~Flask.url_build_error_handlers` if
|
||||
it is not `None`, which can return a string to use as the result of
|
||||
it is not ``None``, which can return a string to use as the result of
|
||||
`url_for` (instead of `url_for`'s default to raise the
|
||||
:exc:`~werkzeug.routing.BuildError` exception) or re-raise the exception.
|
||||
An example::
|
||||
|
|
@ -244,11 +244,11 @@ def url_for(endpoint, **values):
|
|||
|
||||
:param endpoint: the endpoint of the URL (name of the function)
|
||||
:param values: the variable arguments of the URL rule
|
||||
:param _external: if set to `True`, an absolute URL is generated. Server
|
||||
:param _external: if set to ``True``, an absolute URL is generated. Server
|
||||
address can be changed via `SERVER_NAME` configuration variable which
|
||||
defaults to `localhost`.
|
||||
:param _scheme: a string specifying the desired URL scheme. The `_external`
|
||||
parameter must be set to `True` or a `ValueError` is raised. The default
|
||||
parameter must be set to ``True`` or a `ValueError` is raised. The default
|
||||
behavior uses the same scheme as the current request, or
|
||||
``PREFERRED_URL_SCHEME`` from the :ref:`app configuration <config>` if no
|
||||
request context is available. As of Werkzeug 0.10, this also can be set
|
||||
|
|
@ -376,7 +376,7 @@ def get_flashed_messages(with_categories=False, category_filter=[]):
|
|||
"""Pulls all flashed messages from the session and returns them.
|
||||
Further calls in the same request to the function will return
|
||||
the same messages. By default just the messages are returned,
|
||||
but when `with_categories` is set to `True`, the return value will
|
||||
but when `with_categories` is set to ``True``, the return value will
|
||||
be a list of tuples in the form ``(category, message)`` instead.
|
||||
|
||||
Filter the flashed messages to one or more categories by providing those
|
||||
|
|
@ -385,7 +385,7 @@ def get_flashed_messages(with_categories=False, category_filter=[]):
|
|||
arguments are distinct:
|
||||
|
||||
* `with_categories` controls whether categories are returned with message
|
||||
text (`True` gives a tuple, where `False` gives just the message text).
|
||||
text (``True`` gives a tuple, where ``False`` gives just the message text).
|
||||
* `category_filter` filters the messages down to only those matching the
|
||||
provided categories.
|
||||
|
||||
|
|
@ -397,7 +397,7 @@ def get_flashed_messages(with_categories=False, category_filter=[]):
|
|||
.. versionchanged:: 0.9
|
||||
`category_filter` parameter added.
|
||||
|
||||
:param with_categories: set to `True` to also receive categories.
|
||||
:param with_categories: set to ``True`` to also receive categories.
|
||||
:param category_filter: whitelist of categories to limit return values
|
||||
"""
|
||||
flashes = _request_ctx_stack.top.flashes
|
||||
|
|
@ -459,14 +459,14 @@ def send_file(filename_or_fp, mimetype=None, as_attachment=False,
|
|||
of data to send before calling :func:`send_file`.
|
||||
:param mimetype: the mimetype of the file if provided, otherwise
|
||||
auto detection happens.
|
||||
:param as_attachment: set to `True` if you want to send this file with
|
||||
:param as_attachment: set to ``True`` if you want to send this file with
|
||||
a ``Content-Disposition: attachment`` header.
|
||||
:param attachment_filename: the filename for the attachment if it
|
||||
differs from the file's filename.
|
||||
:param add_etags: set to `False` to disable attaching of etags.
|
||||
:param conditional: set to `True` to enable conditional responses.
|
||||
:param add_etags: set to ``False`` to disable attaching of etags.
|
||||
:param conditional: set to ``True`` to enable conditional responses.
|
||||
|
||||
:param cache_timeout: the timeout in seconds for the headers. When `None`
|
||||
:param cache_timeout: the timeout in seconds for the headers. When ``None``
|
||||
(default), this value is set by
|
||||
:meth:`~Flask.get_send_file_max_age` of
|
||||
:data:`~flask.current_app`.
|
||||
|
|
@ -784,7 +784,7 @@ class _PackageBoundObject(object):
|
|||
#: it was set by the constructor.
|
||||
self.import_name = import_name
|
||||
|
||||
#: location of the templates. `None` if templates should not be
|
||||
#: location of the templates. ``None`` if templates should not be
|
||||
#: exposed.
|
||||
self.template_folder = template_folder
|
||||
|
||||
|
|
@ -818,7 +818,7 @@ class _PackageBoundObject(object):
|
|||
|
||||
@property
|
||||
def has_static_folder(self):
|
||||
"""This is `True` if the package bound object's container has a
|
||||
"""This is ``True`` if the package bound object's container has a
|
||||
folder named ``'static'``.
|
||||
|
||||
.. versionadded:: 0.5
|
||||
|
|
@ -843,7 +843,7 @@ class _PackageBoundObject(object):
|
|||
|
||||
Static file functions such as :func:`send_from_directory` use this
|
||||
function, and :func:`send_file` calls this function on
|
||||
:data:`~flask.current_app` when the given cache_timeout is `None`. If a
|
||||
:data:`~flask.current_app` when the given cache_timeout is ``None``. If a
|
||||
cache_timeout is given in :func:`send_file`, that timeout is used;
|
||||
otherwise, this method is called.
|
||||
|
||||
|
|
|
|||
|
|
@ -42,13 +42,13 @@ class SessionMixin(object):
|
|||
|
||||
#: some session backends can tell you if a session is new, but that is
|
||||
#: not necessarily guaranteed. Use with caution. The default mixin
|
||||
#: implementation just hardcodes `False` in.
|
||||
#: implementation just hardcodes ``False`` in.
|
||||
new = False
|
||||
|
||||
#: for some backends this will always be `True`, but some backends will
|
||||
#: for some backends this will always be ``True``, but some backends will
|
||||
#: default this to false and detect changes in the dictionary for as
|
||||
#: long as changes do not happen on mutable structures in the session.
|
||||
#: The default mixin implementation just hardcodes `True` in.
|
||||
#: The default mixin implementation just hardcodes ``True`` in.
|
||||
modified = True
|
||||
|
||||
|
||||
|
|
@ -149,7 +149,7 @@ class SessionInterface(object):
|
|||
class Session(dict, SessionMixin):
|
||||
pass
|
||||
|
||||
If :meth:`open_session` returns `None` Flask will call into
|
||||
If :meth:`open_session` returns ``None`` Flask will call into
|
||||
:meth:`make_null_session` to create a session that acts as replacement
|
||||
if the session support cannot work because some requirement is not
|
||||
fulfilled. The default :class:`NullSession` class that is created
|
||||
|
|
@ -228,7 +228,7 @@ class SessionInterface(object):
|
|||
"""Returns the path for which the cookie should be valid. The
|
||||
default implementation uses the value from the ``SESSION_COOKIE_PATH``
|
||||
config var if it's set, and falls back to ``APPLICATION_ROOT`` or
|
||||
uses ``/`` if it's `None`.
|
||||
uses ``/`` if it's ``None``.
|
||||
"""
|
||||
return app.config['SESSION_COOKIE_PATH'] or \
|
||||
app.config['APPLICATION_ROOT'] or '/'
|
||||
|
|
@ -248,7 +248,7 @@ class SessionInterface(object):
|
|||
|
||||
def get_expiration_time(self, app, session):
|
||||
"""A helper method that returns an expiration date for the session
|
||||
or `None` if the session is linked to the browser session. The
|
||||
or ``None`` if the session is linked to the browser session. The
|
||||
default implementation returns now + the permanent session
|
||||
lifetime configured on the application.
|
||||
"""
|
||||
|
|
@ -260,8 +260,8 @@ class SessionInterface(object):
|
|||
used by session backends to figure out if they should emit a
|
||||
set-cookie header or not. The default behavior is controlled by
|
||||
the ``SESSION_REFRESH_EACH_REQUEST`` config variable. If
|
||||
it's set to `False` then a cookie is only set if the session is
|
||||
modified, if set to `True` it's always set if the session is
|
||||
it's set to ``False`` then a cookie is only set if the session is
|
||||
modified, if set to ``True`` it's always set if the session is
|
||||
permanent.
|
||||
|
||||
This check is usually skipped if sessions get deleted.
|
||||
|
|
@ -274,7 +274,7 @@ class SessionInterface(object):
|
|||
return save_each and session.permanent
|
||||
|
||||
def open_session(self, app, request):
|
||||
"""This method has to be implemented and must either return `None`
|
||||
"""This method has to be implemented and must either return ``None``
|
||||
in case the loading failed because of a configuration error or an
|
||||
instance of a session object which implements a dictionary like
|
||||
interface + the methods and attributes on :class:`SessionMixin`.
|
||||
|
|
|
|||
|
|
@ -47,7 +47,7 @@ class Request(RequestBase):
|
|||
url_rule = None
|
||||
|
||||
#: A dict of view arguments that matched the request. If an exception
|
||||
#: happened when matching, this will be `None`.
|
||||
#: happened when matching, this will be ``None``.
|
||||
view_args = None
|
||||
|
||||
#: If matching the URL failed, this is the exception that will be
|
||||
|
|
@ -72,7 +72,7 @@ class Request(RequestBase):
|
|||
"""The endpoint that matched the request. This in combination with
|
||||
:attr:`view_args` can be used to reconstruct the same or a
|
||||
modified URL. If an exception happened when matching, this will
|
||||
be `None`.
|
||||
be ``None``.
|
||||
"""
|
||||
if self.url_rule is not None:
|
||||
return self.url_rule.endpoint
|
||||
|
|
@ -99,7 +99,7 @@ class Request(RequestBase):
|
|||
@property
|
||||
def json(self):
|
||||
"""If the mimetype is `application/json` this will contain the
|
||||
parsed JSON data. Otherwise this will be `None`.
|
||||
parsed JSON data. Otherwise this will be ``None``.
|
||||
|
||||
The :meth:`get_json` method should be used instead.
|
||||
"""
|
||||
|
|
@ -130,10 +130,10 @@ class Request(RequestBase):
|
|||
only load the json data if the mimetype is ``application/json``
|
||||
but this can be overridden by the `force` parameter.
|
||||
|
||||
:param force: if set to `True` the mimetype is ignored.
|
||||
:param silent: if set to `True` this method will fail silently
|
||||
and return `None`.
|
||||
:param cache: if set to `True` the parsed JSON data is remembered
|
||||
:param force: if set to ``True`` the mimetype is ignored.
|
||||
:param silent: if set to ``True`` this method will fail silently
|
||||
and return ``None``.
|
||||
:param cache: if set to ``True`` the parsed JSON data is remembered
|
||||
on the request.
|
||||
"""
|
||||
rv = getattr(self, '_cached_json', _missing)
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue