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Config.__init__()   B
last analyzed

↳ Parent: Config

Complexity

Conditions 6

Size

Total Lines 13

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 10
CRAP Score 6.027

Importance

Changes 3
Bugs 0 Features 0
Metric Value
cc 6
c 3
b 0
f 0
dl 0
loc 13
ccs 10
cts 11
cp 0.9091
crap 6.027
rs 8
1 
"""Configuration module."""
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import os

            


            
                                                                                                            
                            
            
                                    
            
            

                
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import json

            


            
                                                                                                            
                            
            
                                    
            
            

                
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import logging

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from collections import namedtuple

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from .exceptions import InvalidConfig

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class Config:

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    __slots__ = ('debug',)

            


            
                                                                        
                            
            
                                    
            
            

                
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    def __init__(self, data=None):

            


            
                                                                        
                            
            
                                    
            
            

                
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        if not hasattr(self, 'config_path_variable') or \

            


            
                                                                        
                            
            
                                    
            
            

                
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                not hasattr(self, 'parse_config'):

            


            
                                                                        
                            
            
                                    
            
            

                
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            raise NotImplementedError('Config class does not implement all '

            


            
                                                                        
                            
            
                                    
            
            

                
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                                      'required attributes.')

            


            
                                                                        
                            
            
                                    
            
            

                
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        self.debug = True

            


            
                                                                        
                            
            
                                    
            
            

                
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        if not data:

            


            
                                                                        
                            
            
                                    
            
            

                
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            try:

            


            
                                                                        
                            
            
                                    
            
            

                
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                with open(self.get_config_path()) as fd:

            


            
                                                                        
                            
            
                                    
            
            

                
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                    data = json.load(fd)

            


            
                                                                        
                            
            
                                    
            
            

                
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            except ValueError as exc:

            


            
                                                                        
                            
            
                                    
            
            

                
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                raise InvalidConfig(*exc.args)

            


            
                                                                        
                            
            
                                    
            
            

                
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        self.parse_config(data)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    @classmethod

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def get_config_path(cls):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        path = os.environ.get(cls.config_path_variable, '')

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if not path:

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            raise InvalidConfig('Could not find config file, please set '

            


            
                                                                                                            
                            
            
                                    
            
            

                
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                                'environment variable $%s.' %

            


            
                                                                                                            
                            
            
                                    
            
            

                
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                                cls.config_path_variable)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return path

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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