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authoryum <yum.food.vr@gmail.com>2023-01-01 21:05:27 -0800
committeryum <yum.food.vr@gmail.com>2023-01-01 21:44:45 -0800
commite25bdba3a3a53b09be5269d8b065c13b73ab55c3 (patch)
tree1d1dc1d94cde92c2f4f8ce86017395054787515d /FOSS/Python/Dependencies/future-0.18.2/src/libpasteurize/fixes/feature_base.py
parent0d408cc812a094a708edbe4baf536e928731cfc3 (diff)
Embed git in package
package.ps1 fetches PortableGit and embeds it in the package. This eliminates all but one runtime dependency (MSVC++ Redistributable). * Move Python into a new FOSS folder.
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diff --git a/FOSS/Python/Dependencies/future-0.18.2/src/libpasteurize/fixes/feature_base.py b/FOSS/Python/Dependencies/future-0.18.2/src/libpasteurize/fixes/feature_base.py
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+u"""
+Base classes for features that are backwards-incompatible.
+
+Usage:
+features = Features()
+features.add(Feature("py3k_feature", "power< 'py3k' any* >", "2.7"))
+PATTERN = features.PATTERN
+"""
+
+pattern_unformatted = u"%s=%s" # name=pattern, for dict lookups
+message_unformatted = u"""
+%s is only supported in Python %s and above."""
+
+class Feature(object):
+ u"""
+ A feature has a name, a pattern, and a minimum version of Python 2.x
+ required to use the feature (or 3.x if there is no backwards-compatible
+ version of 2.x)
+ """
+ def __init__(self, name, PATTERN, version):
+ self.name = name
+ self._pattern = PATTERN
+ self.version = version
+
+ def message_text(self):
+ u"""
+ Format the above text with the name and minimum version required.
+ """
+ return message_unformatted % (self.name, self.version)
+
+class Features(set):
+ u"""
+ A set of features that generates a pattern for the features it contains.
+ This set will act like a mapping in that we map names to patterns.
+ """
+ mapping = {}
+
+ def update_mapping(self):
+ u"""
+ Called every time we care about the mapping of names to features.
+ """
+ self.mapping = dict([(f.name, f) for f in iter(self)])
+
+ @property
+ def PATTERN(self):
+ u"""
+ Uses the mapping of names to features to return a PATTERN suitable
+ for using the lib2to3 patcomp.
+ """
+ self.update_mapping()
+ return u" |\n".join([pattern_unformatted % (f.name, f._pattern) for f in iter(self)])
+
+ def __getitem__(self, key):
+ u"""
+ Implement a simple mapping to get patterns from names.
+ """
+ return self.mapping[key]