Source Code for Module mrv.automation.attributes

 1  # -*- coding: utf-8 -*- 
 2  """Contains specialized attributes that judge value based on different criteria, 
 3  allowing more elaborate typechecking""" 
 4  __docformat__ = "restructuredtext" 
 5   
 6  from mrv.dge import Attribute 
 7   
 8 -class RegexStringAttr( Attribute ): 
 9          """Attribute that accepts string values matching a given regular expression""" 
10   
11 -        def __init__( self, regexstring, *args, **kwargs ): 
12                  """Initialize the attribute with a glob filter 
13                  :param regexstring: i.e. .*\..* or .*\.py or ^base_.*\.pyo""" 
14                  import re 
15                  self.regex = re.compile( regexstring ) 
16                  Attribute.__init__( self, *args, **kwargs ) 
17   
18 -        def compatabilityRate( self, value ): 
19                  """:return: rate of base class provided that the regex matches, 0 otherwise""" 
20                  rate = Attribute.compatabilityRate( self, value )               # get default rate 
21                  if not rate: 
22                          return rate 
23   
24                  if self.regex.match( str(value) ):              # apply regex 
25                          return rate 
26   
27                  return 0 
28