Merge pull request #17 from rruiter87/fix-library-versions

add check for fixed plc library version precommit

.pre-commit-hooks.yaml

@@ -27,3 +27,9 @@
   entry: xml-format
   language: python
   files: .*\.(tmc|tpy|xml)$
+- id: check-fixed-library-versions
+  name: Check fixed library versions
+  description: Checks if there are PLC libraries whos versions are not fixed.
+  entry: check-fixed-library-versions
+  language: python
+  files: .*\.plcproj$

forTwinCatRepos/.pre-commit-config.yaml

@@ -9,8 +9,9 @@ repos:
         files: \.(TcPOU|TcDUT|TcGVL)$
 
 -   repo: https://github.com/pcdshub/pre-commit-hooks.git
-    rev: v1.0.0
+    rev: v1.2.0
     hooks:
     -   id: twincat-leading-tabs-remover
     -   id: twincat-lineids-remover
     -   id: twincat-xml-format
+    -   id: check-fixed-library-versions

pre_commit_hooks/check_fixed_library_versions.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python
+
+import argparse
+
+from lxml import etree
+
+
+class PreCommitException(Exception):
+    pass
+
+
+def check_file(filename):
+    with open(filename, 'rb') as fd:
+        original_xml = fd.read()
+
+    xml_parser = etree.XMLParser(remove_blank_text=True)
+    parse_tree = etree.XML(original_xml, parser=xml_parser).getroottree()
+
+    added_libraries = set(el.attrib["Include"] for el in parse_tree.iter("{*}PlaceholderReference"))
+    fixed_version_libraries = set(el.attrib["Include"] for el in parse_tree.iter("{*}PlaceholderResolution"))
+
+    non_fixed_library_versions = added_libraries - fixed_version_libraries
+
+    if len(non_fixed_library_versions) == 1:
+        raise PreCommitException(f"Library version of {list(non_fixed_library_versions)[0]} is not fixed!")
+    elif len(non_fixed_library_versions) > 1:
+        raise PreCommitException(f"Library version of {', '.join(non_fixed_library_versions)} are not fixed!")
+
+def main(args=None):
+    if args is None:
+        parser = argparse.ArgumentParser()
+        parser.add_argument('filenames', nargs='*')
+        args = parser.parse_args()
+    try:
+        for filename in args.filenames:
+            check_file(filename)
+        return 0
+    except Exception as exc:
+        print(exc)
+        return 1
+
+
+if __name__ == "__main__":
+    exit(main())

setup.py

@@ -7,7 +7,8 @@
 
 hook_names = ['twincat-lineids-remover',
               'leading-tabs-remover',
-              'xml-format']
+              'xml-format',
+              'check-fixed-library-versions']
 console_scripts = []
 for name in hook_names:
     module = name.replace('-', '_')