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get_yaml()   A

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Complexity

Conditions 3

Size

Total Lines 13

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 3
c 1
b 0
f 0
dl 0
loc 13
rs 9.4285
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# -*- coding: utf-8 -*-
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from __future__ import absolute_import, division, print_function, unicode_literals
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from .decorators import memoize

            


            
                                                                                                            
                            
            
                                    
            
            

                
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@memoize

            


            
                                                                        
                            
            
                                    
            
            

                
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def get_yaml():

            


            
                                                                        
                            
            
                                    
            
            

                
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    """Tries to import the YAML library."""

            


            
                                                                        
                            
            
                                    
            
            

                
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    try:

            


            
                                                                        
                            
            
                                    
            
            

                
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        import ruamel_yaml as yaml

            


            
                                                                        
                            
            
                                    
            
            

                
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    except ImportError:                                         # pragma: no cover

            


            
                                                                        
                            
            
                                    
            
            

                
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        try:                                                    # pragma: no cover

            


            
                                                                        
                            
            
                                    
            
            

                
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            import ruamel.yaml as yaml                          # pragma: no cover

            


            
                                                                        
                            
            
                                    
            
            

                
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        except ImportError:                                     # pragma: no cover

            


            
                                                                        
                            
            
                                    
            
            

                
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            raise ImportError("No yaml library available.\n"    # pragma: no cover

            


            
                                                                        
                            
            
                                    
            
            

                
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                              "To proceed, conda install "      # pragma: no cover

            


            
                                                                        
                            
            
                                    
            
            

                
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                              "ruamel_yaml")                    # pragma: no cover

            


            
                                                                        
                            
            
                                    
            
            

                
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    return yaml

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def yaml_load(stream):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    """Loads a dictionary from a stream"""

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    yaml = get_yaml()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    return yaml.load(stream, Loader=yaml.RoundTripLoader, version="1.2")

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def yaml_dump(data, stream=None):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    """Dumps an object to a YAML string"""

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    yaml = get_yaml()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    return yaml.dump(data, stream=stream, Dumper=yaml.RoundTripDumper,

            


            
                                                                                                            
                            
            
                                    
            
            

                
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                     block_seq_indent=2, default_flow_style=False,

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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                     indent=2)

            


            
                                                        
            
                                    
            
            

                
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