From 2db58930a6f8c955c4d437657bd07e2939a705f2 Mon Sep 17 00:00:00 2001 From: James Taylor Date: Sun, 16 Jun 2019 16:16:03 -0700 Subject: Convert watch page to flask framework --- python/click/globals.py | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 python/click/globals.py (limited to 'python/click/globals.py') diff --git a/python/click/globals.py b/python/click/globals.py new file mode 100644 index 0000000..843b594 --- /dev/null +++ b/python/click/globals.py @@ -0,0 +1,48 @@ +from threading import local + + +_local = local() + + +def get_current_context(silent=False): + """Returns the current click context. This can be used as a way to + access the current context object from anywhere. This is a more implicit + alternative to the :func:`pass_context` decorator. This function is + primarily useful for helpers such as :func:`echo` which might be + interested in changing its behavior based on the current context. + + To push the current context, :meth:`Context.scope` can be used. + + .. versionadded:: 5.0 + + :param silent: is set to `True` the return value is `None` if no context + is available. The default behavior is to raise a + :exc:`RuntimeError`. + """ + try: + return getattr(_local, 'stack')[-1] + except (AttributeError, IndexError): + if not silent: + raise RuntimeError('There is no active click context.') + + +def push_context(ctx): + """Pushes a new context to the current stack.""" + _local.__dict__.setdefault('stack', []).append(ctx) + + +def pop_context(): + """Removes the top level from the stack.""" + _local.stack.pop() + + +def resolve_color_default(color=None): + """"Internal helper to get the default value of the color flag. If a + value is passed it's returned unchanged, otherwise it's looked up from + the current context. + """ + if color is not None: + return color + ctx = get_current_context(silent=True) + if ctx is not None: + return ctx.color -- cgit v1.2.3