Feature/delete duplicates

elodie.py

@@ -85,11 +85,14 @@ def import_file(_file, destination, album_from_folder, trash, allow_duplicates):
               help='Import the file even if it\'s already been imported.')
 @click.option('--debug', default=False, is_flag=True,
               help='Override the value in constants.py with True.')
+@click.option('--delete-duplicates', default=False, is_flag=True,
+              help='If True, duplicate files will get deleted on import.')    
 @click.argument('paths', nargs=-1, type=click.Path())
-def _import(destination, source, file, album_from_folder, trash, allow_duplicates, debug, paths):
+def _import(destination, source, file, album_from_folder, trash, allow_duplicates, debug, delete_duplicates, paths):
     """Import files or directories by reading their EXIF and organizing them accordingly.
     """
     constants.debug = debug
+    constants.delete_duplicates = delete_duplicates
     has_errors = False
     result = Result()
 

elodie/constants.py

@@ -8,6 +8,9 @@
 #: If True, debug messages will be printed.
 debug = False
 
+#: If True, duplicate files will get deleted on import.
+delete_duplicates = False
+
 #: Directory in which to store Elodie settings.
 application_directory = '{}/.elodie'.format(path.expanduser('~'))
 

elodie/filesystem.py

@@ -80,6 +80,20 @@ def delete_directory_if_empty(self, directory_path):
 
         return False
 
+    def delete_file(self, file_path):
+        """Delete a file safely but permanently.
+        """
+        try:
+            if os.path.exists(file_path):
+                os.remove(file_path)
+                return True
+            else:
+                print("The file does not exist.") 
+        except OSError:
+            pass
+
+        return False
+
     def get_all_files(self, path, extensions=None):
         """Recursively get all files which match a path and extension.
 
@@ -508,10 +522,17 @@ def process_file(self, _file, destination, media, **kwargs):
         checksum_file = db.get_hash(checksum)
         if(allow_duplicate is False and checksum_file is not None):
             if(os.path.isfile(checksum_file)):
-                log.info('%s already exists at %s. Skipping...' % (
-                    _file,
-                    checksum_file
-                ))
+                if constants.delete_duplicates:
+                    log.info('%s already exists at %s. Deleting...' % (
+                        _file,
+                        checksum_file
+                    ))
+                    self.delete_file(_file)
+                else:
+                    log.info('%s already exists at %s. Skipping...' % (
+                        _file,
+                        checksum_file
+                    ))
                 return
             else:
                 log.info('%s matched checksum but file not found at %s. Importing again...' % (  # noqa