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101 lines
2.6 KiB
101 lines
2.6 KiB
4 months ago
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"""
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File sets and globbing helper for make_layout.
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"""
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__author__ = "Steve Dower <steve.dower@python.org>"
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__version__ = "3.8"
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import os
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class FileStemSet:
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def __init__(self, *patterns):
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self._names = set()
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self._prefixes = []
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self._suffixes = []
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for p in map(os.path.normcase, patterns):
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if p.endswith("*"):
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self._prefixes.append(p[:-1])
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elif p.startswith("*"):
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self._suffixes.append(p[1:])
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else:
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self._names.add(p)
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def _make_name(self, f):
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return os.path.normcase(f.stem)
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def __contains__(self, f):
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bn = self._make_name(f)
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return (
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bn in self._names
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or any(map(bn.startswith, self._prefixes))
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or any(map(bn.endswith, self._suffixes))
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)
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class FileNameSet(FileStemSet):
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def _make_name(self, f):
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return os.path.normcase(f.name)
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class FileSuffixSet:
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def __init__(self, *patterns):
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self._names = set()
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self._prefixes = []
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self._suffixes = []
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for p in map(os.path.normcase, patterns):
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if p.startswith("*."):
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self._names.add(p[1:])
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elif p.startswith("*"):
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self._suffixes.append(p[1:])
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elif p.endswith("*"):
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self._prefixes.append(p[:-1])
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elif p.startswith("."):
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self._names.add(p)
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else:
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self._names.add("." + p)
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def _make_name(self, f):
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return os.path.normcase(f.suffix)
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def __contains__(self, f):
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bn = self._make_name(f)
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return (
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bn in self._names
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or any(map(bn.startswith, self._prefixes))
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or any(map(bn.endswith, self._suffixes))
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)
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def _rglob(root, pattern, condition):
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dirs = [root]
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recurse = pattern[:3] in {"**/", "**\\"}
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if recurse:
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pattern = pattern[3:]
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while dirs:
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d = dirs.pop(0)
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if recurse:
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dirs.extend(
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filter(
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condition, (type(root)(f2) for f2 in os.scandir(d) if f2.is_dir())
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)
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)
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yield from (
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(f.relative_to(root), f)
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for f in d.glob(pattern)
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if f.is_file() and condition(f)
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)
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def _return_true(f):
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return True
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def rglob(root, patterns, condition=None):
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if isinstance(patterns, tuple):
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for p in patterns:
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yield from _rglob(root, p, condition or _return_true)
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else:
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yield from _rglob(root, patterns, condition or _return_true)
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