Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/click/globals.py @ 3:758bc20232e8 draft

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"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:20:52 -0400
parents 26e78fe6e8c4
children
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1 from threading import local
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2
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3 _local = local()
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6 def get_current_context(silent=False):
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7 """Returns the current click context. This can be used as a way to
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8 access the current context object from anywhere. This is a more implicit
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9 alternative to the :func:`pass_context` decorator. This function is
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10 primarily useful for helpers such as :func:`echo` which might be
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11 interested in changing its behavior based on the current context.
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12
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13 To push the current context, :meth:`Context.scope` can be used.
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14
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15 .. versionadded:: 5.0
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16
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17 :param silent: if set to `True` the return value is `None` if no context
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18 is available. The default behavior is to raise a
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19 :exc:`RuntimeError`.
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20 """
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21 try:
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22 return _local.stack[-1]
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23 except (AttributeError, IndexError):
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24 if not silent:
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25 raise RuntimeError("There is no active click context.")
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28 def push_context(ctx):
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29 """Pushes a new context to the current stack."""
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30 _local.__dict__.setdefault("stack", []).append(ctx)
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32
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33 def pop_context():
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34 """Removes the top level from the stack."""
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35 _local.stack.pop()
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36
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38 def resolve_color_default(color=None):
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39 """"Internal helper to get the default value of the color flag. If a
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40 value is passed it's returned unchanged, otherwise it's looked up from
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41 the current context.
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42 """
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43 if color is not None:
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44 return color
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45 ctx = get_current_context(silent=True)
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46 if ctx is not None:
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47 return ctx.color