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comparison mercurial/extensions.py @ 28310:01dc11e7191f

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extensions: extract function that copies function attributes to wrapper wrapfunction() will be changed to copy these attributes. See the next patch for details.
author Yuya Nishihara <yuya@tcha.org>
date Sat, 09 Jan 2016 19:45:10 +0900
parents 7f430b2ac7fd
children 1b0ef07ba783
comparison
equal deleted inserted replaced
28309:7c22b5bb3a03 28310:01dc11e7191f
193 assert callable(func) 193 assert callable(func)
194 def closure(*a, **kw): 194 def closure(*a, **kw):
195 return func(*(args + a), **kw) 195 return func(*(args + a), **kw)
196 return closure 196 return closure
197 197
198 def _updatewrapper(wrap, origfn):
199 '''Copy attributes to wrapper function'''
200 wrap.__module__ = getattr(origfn, '__module__')
201 wrap.__doc__ = getattr(origfn, '__doc__')
202
198 def wrapcommand(table, command, wrapper, synopsis=None, docstring=None): 203 def wrapcommand(table, command, wrapper, synopsis=None, docstring=None):
199 '''Wrap the command named `command' in table 204 '''Wrap the command named `command' in table
200 205
201 Replace command in the command table with wrapper. The wrapped command will 206 Replace command in the command table with wrapper. The wrapped command will
202 be inserted into the command table specified by the table argument. 207 be inserted into the command table specified by the table argument.
231 key = alias 236 key = alias
232 break 237 break
233 238
234 origfn = entry[0] 239 origfn = entry[0]
235 wrap = bind(util.checksignature(wrapper), util.checksignature(origfn)) 240 wrap = bind(util.checksignature(wrapper), util.checksignature(origfn))
236 241 _updatewrapper(wrap, origfn)
237 wrap.__module__ = getattr(origfn, '__module__')
238
239 doc = getattr(origfn, '__doc__')
240 if docstring is not None: 242 if docstring is not None:
241 doc += docstring 243 wrap.__doc__ += docstring
242 wrap.__doc__ = doc
243 244
244 newentry = list(entry) 245 newentry = list(entry)
245 newentry[0] = wrap 246 newentry[0] = wrap
246 if synopsis is not None: 247 if synopsis is not None:
247 newentry[2] += synopsis 248 newentry[2] += synopsis