Validate CURIE regexp patterns

validate_curie_pattern.py

import re

valid_curies = [
    "pfx:abc",
    ":",
    "pfx:",
    "abc",
    ":abc",
    "",
    "pfx:/abc",
    "pfx:/",
    ":/",
]

non_curies = [
    "pfx://abc",
    "pfx://",
    "://",
    "/",
]

def validate_curie_pattern(pattern):
    print("Using pattern: " + pattern)
    # replace special XSD character groups with perl5-compatible groups
    curie_regex = re.compile(pattern.
                replace(r'\i-[:]', r'_A-Za-z').
                replace(r'\c-[:]', r'-._:A-Za-z0-9'))

    failed = 0
    for valid in valid_curies:
        if not curie_regex.match(valid):
            print("Failed to validate CURIE: " + valid)
            failed += 1

    for non in non_curies:
        if not curie_regex.match(non):
            print("Mistakenly matches non-CURIE: " + non)
            failed += 1

    print("Failed: %s" % failed if failed else "Ok")


PATTERNS = {
    'curr': r'(([\i-[:]][\c-[:]]*)?:)?(/[^\s/]|[^\s/])[^\s]*',
    'alt': r'(([\i-[:]][\c-[:]]*)?:)?(/[^\s/][^\s]*|[^\s/][^\s]*|[^\s]?)',
}

from sys import argv
name = None if len(argv) == 1 else argv[1]
pattern = PATTERNS.get(name)
if pattern:
    validate_curie_pattern(pattern)
else:
    print("Provide the name to use. One of: %s" % ', '.join(PATTERNS))