Mercurial > hgrepos > Python > libs > ConfigMix

comparison configmix/__init__.py @ 180:e87fa5bd68e7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Implemented "try_determine_filemode()" to determine a file-mode from an Emacs-compatible declaration
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 03 May 2019 09:31:56 +0200
parents 62db35db8939
children 7cfdc972af42
comparison
equal deleted inserted replaced
179:62db35db8939 180:e87fa5bd68e7
19 __date__ = "|VCSJustDate|" 19 __date__ = "|VCSJustDate|"
20 20
21 __all__ = ["load", "safe_load", 21 __all__ = ["load", "safe_load",
22 "set_loader", "get_loader", 22 "set_loader", "get_loader",
23 "get_default_loader", 23 "get_default_loader",
24 "Configuration"] 24 "Configuration",
25 "try_determine_filemode"]
25 26
26 27
27 import fnmatch 28 import fnmatch
28 import copy 29 import copy
30 import io
31 import re
29 32
30 from .compat import u, u2fs 33 from .compat import u, u2fs
31 from .config import Configuration 34 from .config import Configuration
32 35
33 36
112 115
113 116
114 def _load_ini(filename): 117 def _load_ini(filename):
115 from . import ini 118 from . import ini
116 return ini.load(filename) 119 return ini.load(filename)
120
121
122 EMACS_MODELINE = re.compile(r"-\*-(.*?)-\*-")
123 EMACS_MODE = re.compile(r"(?:\A\s*|;\s*)mode[:=]\s*([-_.a-zA-Z0-9]+)")
124
125
126 def try_determine_filemode(filename):
127 """Try to determine an explicitely given filemode from an Emacs-compatible
128 mode declaration (e.g. ``mode=python``).
129
130 :param str filename:
131 :return: the found mode string or `None`
132 :rtype: str or None
133
134 Only the first two lines are searched for.
135
136 """
137 with io.open(filename, encoding="ascii", errors="replace") as f:
138 idx = 0
139 for l in f:
140 idx += 1
141 mo = EMACS_MODELINE.search(l)
142 if mo:
143 mo = EMACS_MODE.search(mo.group(1))
144 if mo:
145 return mo.group(1)
146 if idx >= 2:
147 break
148 return None
117 149
118 150
119 DEFAULT_MODE_LOADERS = { 151 DEFAULT_MODE_LOADERS = {
120 "python": _load_py, 152 "python": _load_py,
121 "yaml": _load_yaml, 153 "yaml": _load_yaml,