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                # -*- coding: utf-8 -*-  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # -----------------------------------------------------------------------------  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # Copyright (c) 2015 Yann Lanthony  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # Copyright (c) 2017-2018 Spyder Project Contributors  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                #  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # Licensed under the terms of the MIT License  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # (See LICENSE.txt for details)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # -----------------------------------------------------------------------------  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                """Contains the fallback implementation of the Watcher api."""  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # yapf: disable  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                from __future__ import absolute_import, print_function  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # Standard library imports  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                import os  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # Local imports  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                from qtsass.importers import norm_path  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # yapf: enable  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                def take(dir_or_file, depth=3):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    """Return a dict mapping files and folders to their mtimes."""  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    if os.path.isfile(dir_or_file):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        path = norm_path(dir_or_file)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return {path: os.path.getmtime(path)} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    if not os.path.isdir(dir_or_file):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return {} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    snapshot = {} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    base_depth = len(norm_path(dir_or_file).split('/')) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    for root, subdirs, files in os.walk(dir_or_file):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        path = norm_path(root)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if len(path.split('/')) - base_depth == depth: | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            subdirs[:] = []  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        snapshot[path] = os.path.getmtime(path)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        for f in files:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            path = norm_path(root, f)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            snapshot[path] = os.path.getmtime(path)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    return snapshot  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                def diff(prev_snapshot, next_snapshot):  | 
            
            
                                                        
            
                                    
            
            
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                    """Return a dict containing changes between two snapshots."""  | 
            
            
                                                        
            
                                    
            
            
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                    changes = {} | 
            
            
                                                        
            
                                    
            
            
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                    for path in set(prev_snapshot.keys()) | set(next_snapshot.keys()):  | 
            
            
                                                        
            
                                    
            
            
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                        if path in prev_snapshot and path not in next_snapshot:  | 
            
            
                                                        
            
                                    
            
            
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                            changes[path] = 'Deleted'  | 
            
            
                                                        
            
                                    
            
            
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                        elif path not in prev_snapshot and path in next_snapshot:  | 
            
            
                                                        
            
                                    
            
            
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                            changes[path] = 'Created'  | 
            
            
                                                        
            
                                    
            
            
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                        else:  | 
            
            
                                                        
            
                                    
            
            
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                            prev_mtime = prev_snapshot[path]  | 
            
            
                                                        
            
                                    
            
            
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                            next_mtime = next_snapshot[path]  | 
            
            
                                                        
            
                                    
            
            
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                            if next_mtime > prev_mtime:  | 
            
            
                                                        
            
                                    
            
            
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                                changes[path] = 'Changed'  | 
            
            
                                                        
            
                                    
            
            
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                    return changes  | 
            
            
                                                        
            
                                    
            
            
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