fixed #12682 - deprecated support for Python 2.7 (#6369)

Author: firewave

.github/workflows/scriptcheck.yml

@@ -17,7 +17,7 @@ permissions:
 jobs:
   build:
 
-    # 'ubuntu-22.04' removes Python 2.7, 3.6 and 3.6 so keep the previous LTS version
+    # 'ubuntu-22.04' removes Python 3.5 and 3.6 so keep the previous LTS version
     runs-on: ubuntu-20.04
 
     steps:
@@ -43,8 +43,7 @@ jobs:
   scriptcheck:
 
     needs: build
-    # 'ubuntu-22.04' removes Python 2.7, 3.5 and 3.6 so keep the previous LTS version
-    # 'ubutunu-20.04' no longer works on 2.7 - TODO: re-added in a different way or remove support for it?
+    # 'ubuntu-22.04' removes Python 3.5 and 3.6 so keep the previous LTS version
     runs-on: ubuntu-20.04
     strategy:
       matrix:
@@ -75,16 +74,7 @@ jobs:
           sudo apt-get update
           sudo apt-get install tidy libxml2-utils
 
-      - name: Install missing software on ubuntu (Python 2)
-        if: matrix.python-version == '2.7'
-        run: |
-          python -m pip install pip --upgrade
-          python -m pip install pathlib
-          python -m pip install pytest
-          python -m pip install pygments
-
       - name: Install missing software on ubuntu (Python 3)
-        if: matrix.python-version != '2.7'
         run: |
           # shellcheck cannot be installed via pip
           # ERROR: Could not find a version that satisfies the requirement shellcheck (from versions: none)
@@ -124,7 +114,6 @@ jobs:
           make -j$(nproc) validateCFG validatePlatforms validateRules
 
       - name: check python syntax
-        if: matrix.python-version != '2.7'
         run: |
           python -m py_compile addons/*.py
           python -m py_compile htmlreport/cppcheck-htmlreport
@@ -167,14 +156,12 @@ jobs:
           PYTHONPATH: ./tools
 
       - name: test donate_cpu_lib
-        if: matrix.python-version != '2.7'
         run: |
           python -m pytest -Werror --strict-markers -vv tools/donate_cpu_lib_test.py
         env:
           PYTHONPATH: ./tools
 
       - name: test donate_cpu_server
-        if: matrix.python-version != '2.7'
         run: |
           python -m pytest -Werror --strict-markers -vv tools/donate_cpu_server_test.py
         env:

cmake/findDependencies.cmake

@@ -54,6 +54,8 @@ else()
         if(NOT PYTHONINTERP_FOUND AND NOT USE_MATCHCOMPILER_OPT STREQUAL "Off")
             message(WARNING "No python interpreter found - disabling matchcompiler.")
             set(USE_MATCHCOMPILER_OPT "Off")
+        else()
+            message(WARNING "Support for Python 2.7 is deprecated (it went EOL in January 2020) and will be removed in Cppcheck 2.16 - please use Python 3.x instead.")
         endif()
     endif()
     if(PYTHONINTERP_FOUND)

releasenotes.txt

@@ -13,6 +13,7 @@ Changed interface:
 -
 
 Deprecations:
+- Support for Python 2.7 has been deprecated (it went EOL in January 2020) and will be removed in Cppcheck 2.16 - please use Python 3.x instead.
 -
 
 Other: