def parse_github_url()

in core/github.py [0:0]

• 12 lines of code
• 6 McCabe index (conditional complexity)

def parse_github_url(url: str) -> dict[str, str] | None:
  """Parses a GitHub file URL to extract owner, repo, ref (branch/tag/commit),

    and file path.
    Example URL: https://github.com/owner/repo/blob/main/path/to/file.txt

  Args:
    url: URL of file on GitHub.

  Returns:
    dict of URL component to value, if the URL can be parsed; otherwise None.
  """
  url_object = urlparse(url)
  path_parts = [part for part in url_object.path.split('/') if part]
  if (
      url_object.hostname != 'github.com'
      or len(path_parts) < 5
      or path_parts[2] != 'blob'
  ):
    return None
  [owner, repo, _, ref] = path_parts[:4]
  file_path = '/'.join(path_parts[4:])
  return {'owner': owner, 'repo': repo, 'ref': ref, 'path': file_path}