allow to check if depenencies exist without downloading them

Author: mbdevpl

open_fortran_parser/dependencies.py

@@ -14,7 +14,7 @@
 
 def ensure_dependencies(
         dependencies: t.Mapping[str, t.Tuple[urllib.parse.ParseResult, pathlib.Path]],
-        target_dir: pathlib.Path, silent: bool = False) -> None:
+        target_dir: pathlib.Path, download: bool = True, silent: bool = False) -> None:
     """Download missing depenedencies."""
     if not target_dir.exists():
         _LOG.warning('Creating directory "%s"...', target_dir)
@@ -24,6 +24,9 @@ def ensure_dependencies(
         if path.is_file():
             _LOG.warning('%s is present already.', dependency)
             continue
+        if not download:
+            _LOG.warning('%s is not present!', dependency)
+            continue
         url = urllib.parse.urlunparse(url_root) + str(filename)
         _LOG.warning('Downloading %s from URL "%s" to path "%s"...', dependency, url, path)
         wget.download(url, str(path), bar=None if silent else wget.bar_adaptive)