Mercurial > hgrepos > Python > libs > ConfigMix

comparison configmix/config.py @ 368:4ee53f6fcac1

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Implement ".getfirstvar()" and ".getfirstvar_s()". BUGS: Not tested yet and no documentation yet.
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 09 Jul 2021 09:40:49 +0200
parents 1941f0188e81
children 0c65aac81807
comparison
equal deleted inserted replaced
367:a72e2f36983a 368:4ee53f6fcac1
118 varnameparts = [self.unquote(vp) for vp in varname.split(self._HIER_SEPARATOR)] 118 varnameparts = [self.unquote(vp) for vp in varname.split(self._HIER_SEPARATOR)]
119 else: 119 else:
120 varnameparts = (varname,) 120 varnameparts = (varname,)
121 return self.getvarl(*varnameparts, namespace=varns, default=default) 121 return self.getvarl(*varnameparts, namespace=varns, default=default)
122 122
123 def getfirstvar(self, *varnames, **kwds):
124 """A variant of :meth:`~.getvar` that returns the first found variable
125 in the list of given variables in `varnames`.
126
127 """
128 default = kwds.pop("default", _MARKER)
129 for varname in varnames:
130 try:
131 varvalue = self.getvar(varname)
132 except KeyError:
133 pass
134 else:
135 return varvalue
136 if default is _MARKER:
137 raise KeyError(
138 "none of the given variables found: %r" % (varnames,))
139 else:
140 return default
141
123 def getvarl_s(self, *names, **kwds): 142 def getvarl_s(self, *names, **kwds):
124 """Get a variable - including variables from other namespaces. 143 """Get a variable - including variables from other namespaces.
125 144
126 `names` and `namespace` are interpreted as in 145 `names` and `namespace` are interpreted as in
127 :meth:`.getvarl`. But variables will be interpolated 146 :meth:`.getvarl`. But variables will be interpolated
158 except KeyError: 177 except KeyError:
159 if default is _MARKER: 178 if default is _MARKER:
160 raise 179 raise
161 else: 180 else:
162 return default 181 return default
182
183 def getfirstvar_s(self, *varnames, **kwds):
184 """A variant of :meth:`~.getvar_s` that returns the first found
185 variable in the list of given variables in `varnames`.
186
187 """
188 default = kwds.pop("default", _MARKER)
189 for varname in varnames:
190 try:
191 obj = self.getvar(varname)
192 except KeyError:
193 pass
194 else:
195 return self.substitute_variables_in_obj(obj)
196 if default is _MARKER:
197 raise KeyError(
198 "none of the given variables found: %r" % (varnames,))
199 else:
200 return default
163 201
164 def getintvarl_s(self, *names, **kwds): 202 def getintvarl_s(self, *names, **kwds):
165 """Get a (possibly substituted) variable and coerce text to a 203 """Get a (possibly substituted) variable and coerce text to a
166 number. 204 number.
167 205