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					#  imports {{{ #  | 
				
			
			
		
	
		
			
				
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					import requests | 
				
			
			
		
	
		
			
				
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					import math | 
				
			
			
		
	
		
			
				
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					import pprint | 
				
			
			
		
	
		
			
				
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					from models import * | 
				
			
			
		
	
		
			
				
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					#  }}} imports #  | 
				
			
			
		
	
		
			
				
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					#  parse_library {{{ #  | 
				
			
			
		
	
		
			
				
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					@ -44,6 +49,8 @@ def parse_library(headers, tracks, library_stats): | 
				
			
			
		
	
		
			
				
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					#  }}} parse_library #  | 
				
			
			
		
	
		
			
				
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					#  get_audio_features {{{ #  | 
				
			
			
		
	
		
			
				
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					def get_audio_features(headers, track_id): | 
				
			
			
		
	
		
			
				
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					    """Returns the audio features of a soundtrack | 
				
			
			
		
	
		
			
				
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					@ -71,6 +78,9 @@ def get_audio_features(headers, track_id): | 
				
			
			
		
	
		
			
				
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					    return features_dict | 
				
			
			
		
	
		
			
				
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					#  }}} get_audio_features #  | 
				
			
			
		
	
		
			
				
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					#  update_std_dev {{{ #  | 
				
			
			
		
	
		
			
				
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					def update_std_dev(cur_mean, cur_std_dev, new_data_point, sample_size): | 
				
			
			
		
	
		
			
				
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					    """Calculates the standard deviation for a sample without storing all data points | 
				
			
			
		
	
	
		
			
				
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					@ -94,6 +104,9 @@ def update_std_dev(cur_mean, cur_std_dev, new_data_point, sample_size): | 
				
			
			
		
	
		
			
				
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					    )) | 
				
			
			
		
	
		
			
				
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					    return new_mean, new_std_dev | 
				
			
			
		
	
		
			
				
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					#  }}} update_std_dev #  | 
				
			
			
		
	
		
			
				
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					#  update_audio_feature_stats {{{ #  | 
				
			
			
		
	
		
			
				
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					def update_audio_feature_stats(feature, new_data_point, sample_size, library_stats): | 
				
			
			
		
	
		
			
				
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					    """Updates the audio feature statistics in library_stats | 
				
			
			
		
	
	
		
			
				
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					@ -124,6 +137,7 @@ def update_audio_feature_stats(feature, new_data_point, sample_size, library_sta | 
				
			
			
		
	
		
			
				
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					            "std_dev": new_std_dev | 
				
			
			
		
	
		
			
				
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					        } | 
				
			
			
		
	
		
			
				
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					#  }}} update_audio_feature_stats #  | 
				
			
			
		
	
		
			
				
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					#  increase_nested_key {{{ #  | 
				
			
			
		
	
		
			
				
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					@ -167,6 +181,8 @@ def increase_artist_count(headers, artist_name, artist_id, library_stats): | 
				
			
			
		
	
		
			
				
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					#  }}} increase_artist_count #  | 
				
			
			
		
	
		
			
				
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					#  update_popularity_stats {{{ #  | 
				
			
			
		
	
		
			
				
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					def update_popularity_stats(new_data_point, library_stats, sample_size): | 
				
			
			
		
	
		
			
				
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					    """Updates the popularity statistics in library_stats | 
				
			
			
		
	
		
			
				
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					@ -193,6 +209,8 @@ def update_popularity_stats(new_data_point, library_stats, sample_size): | 
				
			
			
		
	
		
			
				
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					            "std_dev": new_std_dev, | 
				
			
			
		
	
		
			
				
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					        } | 
				
			
			
		
	
		
			
				
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					#  }}}  update_popularity_stats #  | 
				
			
			
		
	
		
			
				
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					#  get_track_info {{{ #  | 
				
			
			
		
	
		
			
				
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					def get_track_info(track_dict, library_stats, sample_size): | 
				
			
			
		
	
	
		
			
				
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					@ -241,6 +259,8 @@ def calculate_genres_from_artists(headers, library_stats): | 
				
			
			
		
	
		
			
				
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					#  }}} calculate_genres_from_artists #  | 
				
			
			
		
	
		
			
				
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					#  process_library_stats {{{ #  | 
				
			
			
		
	
		
			
				
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					def process_library_stats(library_stats): | 
				
			
			
		
	
		
			
				
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					    """Processes library_stats into format more suitable for D3 consumption | 
				
			
			
		
	
		
			
				
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					@ -291,3 +311,5 @@ def process_library_stats(library_stats): | 
				
			
			
		
	
		
			
				
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					            processed_library_stats[key] = library_stats[key] | 
				
			
			
		
	
		
			
				
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					    return processed_library_stats | 
				
			
			
		
	
		
			
				
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					#  }}} process_library_stats #  |