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commons.regex.make_matcher()   A
last analyzed

↳ Parent: commons.regex

Complexity

Conditions 1

Size

Total Lines 2
Code Lines 2

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 1
CRAP Score 1.125

Importance

Changes 0
Metric Value
eloc 2
dl 0
loc 2
ccs 1
cts 2
cp 0.5
rs 10
c 0
b 0
f 0
cc 1
nop 1
crap 1.125
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"""Regex primitives."""
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import re

            


            
                                                                                                            
                            
            
                                    
            
            

                
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ANYTHING = r".+"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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WHITESPACE = r"\s"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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WHITESPACES = r"{0}+".format(WHITESPACE)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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NON_WHITESPACE = r"\S"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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NON_WHITESPACES = r"{0}+".format(NON_WHITESPACE)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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DIGIT = r"\d"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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NUMBER = r"{0}+".format(DIGIT)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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FLOAT = r"{0}.{0}".format(NUMBER)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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START_OF_STRING = r"^"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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END_OF_STRING = r"$"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def make_matcher(pattern):

            


            
                                                                        
                            
            
                                    
            
            

                
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  return re.compile(pattern, re.VERBOSE).match

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def group(expression):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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  return "({0})".format(expression)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def named_group(group_name, expression):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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  return "(?P<{0}>{1})".format(group_name, expression)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def choices(values, delimiter="|"):

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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  return delimiter.join(values)

            


            
                                                        
            
                                    
            
            

                
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