repath

import repath # Define an ExpressJS-style path pattern path_pattern = "/user/:id/posts/:post_id" # Generate a regular expression and a list of keys (parameters) regexp, keys = repath.repath(path_pattern) print(f"Generated Regex: {regexp.pattern}") # Example output: ^\/user\/(?:([^\/]+?))\/posts\/(?:([^\/]+?))\/?$ # Match a URL against the generated regex url_to_match = "/user/123/posts/456" match = regexp.match(url_to_match) if match: print(f"Matched groups: {match.groups()}") # Example output: ('123', '456') print(f"Matched parameters: {match.groupdict()}") # Example output: {'id': '123', 'post_id': '456'} else: print("URL did not match the pattern.") # You can also compile tokens to generate paths (reverse operation) tokens = repath.repath_tokens("/files/:name(\\d+)") # Path with a regex constraint compiler = repath.tokens_to_function(tokens) print(f"Compiled path: {compiler({'name': '789'})}") # Example output: /files/789 # Note: This will raise ValueError if constraints are not met.