Mercurial > hgrepos > Python > apps > py-cutils

comparison cutils/util/fnmatch.py @ 308:652870b20f9e

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treesum: Implement --accept-treesum: trust a treesum-file for a directory checksum
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 08 Mar 2025 04:49:06 +0100
parents 6c212e407524
children f5f54b9c3552
comparison
equal deleted inserted replaced
307:64df94bf4659 308:652870b20f9e
13 __all__ = ["FnMatcher"] 13 __all__ = ["FnMatcher"]
14 14
15 15
16 import re 16 import re
17 17
18 from . import PY2
18 from . import glob 19 from . import glob
19 20
20 21
21 HELP_DESCRIPTION = """\ 22 HELP_DESCRIPTION = """\
22 PATTERNs 23 PATTERNs
93 "re": re_factory, 94 "re": re_factory,
94 "path": path_factory, 95 "path": path_factory,
95 "fullpath": fullpath_factory, 96 "fullpath": fullpath_factory,
96 } 97 }
97 98
98 VISIT_DEFAULT = True # Overall default value for visiting
99
100 def __init__(self, matchers): 99 def __init__(self, matchers):
101 super(FnMatcher, self).__init__() 100 super(FnMatcher, self).__init__()
102 self._matchers = matchers 101 self._matchers = matchers
103 102
104 @classmethod 103 @classmethod
105 def build_from_commandline_patterns(klass, filter_definitions): 104 def build_from_commandline_patterns(klass, filter_definitions):
106 matchers = [] 105 matchers = []
107 if filter_definitions: 106 if filter_definitions:
108 for action, kpattern in filter_definitions: 107 for action, kpattern in filter_definitions:
108 assert action in ("include", "exclude", "accept-treesum")
109 kind, sep, pattern = kpattern.partition(':') 109 kind, sep, pattern = kpattern.partition(':')
110 if not sep: 110 if not sep:
111 # use the default 111 # use the default
112 kind = "glob" 112 kind = "glob"
113 pattern = kpattern 113 pattern = kpattern
115 if not factory: 115 if not factory:
116 raise RuntimeError("unknown pattern kind: {}".format(kind)) 116 raise RuntimeError("unknown pattern kind: {}".format(kind))
117 matchers.append((action, kind, factory(pattern), pattern)) 117 matchers.append((action, kind, factory(pattern), pattern))
118 return klass(matchers) 118 return klass(matchers)
119 119
120 def shall_visit(self, fn, default=None): 120 def shall_visit(self, fn, default=True):
121 visit = default if default is not None else self.VISIT_DEFAULT 121 visit = default
122 for action, kind, matcher, orig_pattern in self._matchers: 122 for action, kind, matcher, orig_pattern in self._matchers:
123 res = matcher(fn) 123 if matcher(fn):
124 if res:
125 if action == "include": 124 if action == "include":
126 visit = True 125 visit = True
127 elif action == "exclude": 126 elif action in ("exclude", "accept-treesum"):
128 visit = False 127 visit = False
129 else: 128 else:
130 raise RuntimeError("unknown action: {}".format(action)) 129 raise RuntimeError("unknown action: {}".format(action))
131 return visit 130 return visit
132 131
132 def shall_accept_treesum(self, fn, default=False):
133 accept = default
134 for action, kind, matcher, orig_pattern in self._matchers:
135 if action == "accept-treesum":
136 if matcher(fn):
137 accept = True
138 elif action in ("include", "exclude"):
139 pass
140 else:
141 raise RuntimeError("unknown action: {}".format(action))
142 return accept
143
133 def definitions(self): 144 def definitions(self):
134 for action, kind, matcher, orig_pattern in self._matchers: 145 for action, kind, matcher, orig_pattern in self._matchers:
135 yield (action, kind, orig_pattern) 146 yield (action, kind, orig_pattern)
147
148 def __bool__(self):
149 return bool(self._matchers)
150
151 if PY2:
152 __nonzero__ = __bool__