Mercurial > hgrepos > Python > libs > ConfigMix

comparison configmix/__init__.py @ 186:fa101fb0cd7a

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Implement an "append" keyword to "configmix.set_assoc()"
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 03 May 2019 19:41:35 +0200
parents 7cfdc972af42
children d2eb83720ad8
comparison
equal deleted inserted replaced
185:5c27e52c3483 186:fa101fb0cd7a
233 return fmode 233 return fmode
234 else: 234 else:
235 raise KeyError("No associated file-mode for pattern %r" % pattern) 235 raise KeyError("No associated file-mode for pattern %r" % pattern)
236 236
237 237
238 def set_assoc(fnpattern, mode): 238 def set_assoc(fnpattern, mode, append=False):
239 """Associate a :mod:`fnmatch` style pattern `fnpattern` with a 239 """Associate a :mod:`fnmatch` style pattern `fnpattern` with a
240 file-mode `mode` that determines what will be called when 240 file-mode `mode` that determines what will be called when
241 :func:`load` encounters a file argument that matches `fnpattern`. 241 :func:`load` encounters a file argument that matches `fnpattern`.
242 242
243 :param str fnpattern: the :mod:`fnmatch` pattern to associate a loader 243 :param str fnpattern: the :mod:`fnmatch` pattern to associate a loader
244 with 244 with
245 :param callable mode: a mode string or a callable that accepts a 245 :param mode: a mode string or a callable that accepts a `filename`
246 `filename` argument and returns a file-mode for 246 argument and returns a file-mode for the given file
247 the given file (or `None`) 247 (or `None`)
248 248 :type mode: str or callable
249 This function prepends to the given pattern to the currently defined 249
250 associations. 250 :keyword bool append: If `False` (which is the default) then this
251 function inserts the given pattern at the head position of the
252 currently defined associations, if `True` the pattern will be appended
251 253
252 The OS specific case-sensitivity behaviour of 254 The OS specific case-sensitivity behaviour of
253 :func:`fnmatch.fnmatch` applies (i.e. :func:`os.path.normpath` 255 :func:`fnmatch.fnmatch` applies (i.e. :func:`os.path.normpath`
254 will be called for both arguments). 256 will be called for both arguments).
255 257
258 260
259 """ 261 """
260 if mode is DEFAULT_LOADER: 262 if mode is DEFAULT_LOADER:
261 for p, m in DEFAULT_ASSOC: 263 for p, m in DEFAULT_ASSOC:
262 if p == fnpattern: 264 if p == fnpattern:
263 _extensions.insert(0, (fnpattern, m)) 265 if append:
266 _extensions.append((fnpattern, m))
267 else:
268 _extensions.insert(0, (fnpattern, m))
264 break 269 break
265 else: 270 else:
266 raise ValueError("no DEFAULT mode for pattern: %r" % fnpattern) 271 raise ValueError("no DEFAULT mode for pattern: %r" % fnpattern)
267 else: 272 else:
268 _extensions.insert(0, (fnpattern, mode)) 273 if append:
274 _extensions.append((fnpattern, mode))
275 else:
276 _extensions.insert(0, (fnpattern, mode))
269 277
270 278
271 def _load_cfg_from_file(filename): 279 def _load_cfg_from_file(filename):
272 for p, m in _extensions: 280 for p, m in _extensions:
273 if fnmatch.fnmatch(filename, p): 281 if fnmatch.fnmatch(filename, p):