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by Andrii
15:26
created

Config.find()   A

↳ Parent: Config

Complexity

Conditions 4

Size

Total Lines 12

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 4
c 1
b 0
f 0
dl 0
loc 12
rs 9.2
1 
#!/usr/bin/env python
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import os

            


            
                                                                                                            
                            
            
                                    
            
            

                
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import sys

            


            
                                                                                                            
                            
            
                                    
            
            

                
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import json

            


            
                                                                                                            
                            
            
                                    
            
            

                
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import collections

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from pprint import pprint

            


            
                                                                                                            
                            
            
                                    
            
            

                
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# http://stackoverflow.com/questions/10703858

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def merge_dict(d1, d2):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    """

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    Modifies d1 in-place to contain values from d2.  If any value

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    in d1 is a dictionary (or dict-like), *and* the corresponding

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    value in d2 is also a dictionary, then merge them in-place.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    """

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    for k,v2 in d2.items():

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        v1 = d1.get(k) # returns None if v1 has no value for this key

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if (isinstance(v1, collections.Mapping)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        and isinstance(v2, collections.Mapping)):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            merge_dict(v1, v2)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        else:

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            d1[k] = v2

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class Config(dict):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def __init__(self, filename):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        with open(self.find(filename)) as file:

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            self.merge(json.load(file))

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def merge(self, data):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        merge_dict(self, data)

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    def find(self, filename):

            


            
                                                        
            
                                    
            
            

                
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        if os.path.isfile(filename):

            


            
                                                        
            
                                    
            
            

                
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            return filename

            


            
                                                        
            
                                    
            
            

                
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        command = sys.argv[0]

            


            
                                                        
            
                                    
            
            

                
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        if '/' != command[0]:

            


            
                                                        
            
                                    
            
            

                
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            command = os.path.normpath(os.path.join(os.getcwd(), command))

            


            
                                                        
            
                                    
            
            

                
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        path = os.path.join(os.path.dirname(os.path.dirname(command)), 'etc', filename)

            


            
                                                        
            
                                    
            
            

                
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        if os.path.isfile(path):

            


            
                                                        
            
                                    
            
            

                
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            return path

            


            
                                                        
            
                                    
            
            

                
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        return os.path.join('/etc/heppy', filename)

            


            
                                                        
            
                                    
            
            

                
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