Integrate mypy part 2: type check tools/ directory

Author: barnabasdomozi

analyzer/requirements.txt

@@ -5,12 +5,14 @@
 # to let users select a specific compatible version.
 
 lxml~=6.0
+lxml-stubs~=0.5.0
 portalocker~=3.0
 psutil~=7.0
 PyYAML~=6.0
 types-PyYAML~=6.0
 sarif-tools~=3.0
 multiprocess~=0.70
 setuptools~=80.0
+types-setuptools~=80.0
 semver~=3.0
 argcomplete~=3.0

pyproject.toml

@@ -2,12 +2,27 @@
 verbosity = 1
 show_error_codes = true
 
+# Packages are explicitly defined at mypy_path/<package_name>,
+# rather than discovered via __init__.py.
+explicit_package_bases = true
+
 files = [
-  "codechecker_common/"
+  "codechecker_common/",
+  "tools/",
 ]
 
 mypy_path = [
   "analyzer/",
   "web/",
   "tools/report-converter/"
 ]
+
+exclude = [
+  # Ignore tests
+  "tests/",
+
+  # Ignore build/ directories
+  "tools/bazel/build/",
+  "tools/report-converter/build/",
+  "tools/tu_collector/build/",
+]

tools/report-converter/codechecker_report_converter/report/parser/sarif.py

@@ -10,7 +10,7 @@
 import logging
 import os
 
-from sarif import loader
+from sarif import loader  # type: ignore
 
 from typing import Any, Dict, List, Optional, Tuple
 

tools/tu_collector/tu_collector/tu_collector.py

@@ -218,7 +218,7 @@ def __eliminate_argument(
     except subprocess.CalledProcessError as ex:
         output, rc = ex.output, ex.returncode
     except OSError as oerr:
-        output, rc = oerr.strerror, oerr.errno
+        output, rc = oerr.strerror or "", oerr.errno or 1
 
     if rc != 0:
         raise IOError(output)