Skip only gapi if it was not found

.github/workflows/build_wheels_linux.yml

@@ -171,8 +171,6 @@ jobs:
 
     - name: Build a package
       run: |
-        # Download all 3rdparty files
-        source scripts/source-packages-preparation.sh ${{ github.workspace }}
         set -e
         # Build and package
         set -x

setup.py

@@ -162,8 +162,6 @@ def main():
             "-DPYTHON3_LIMITED_API=ON",
             "-DBUILD_OPENEXR=ON",
             "-DBUILD_PNG=ON",
-            # To have all 3rdparty files in one place for source packages
-            "-DOPENCV_DOWNLOAD_PATH=%s" % (os.path.join(os.path.dirname(os.path.abspath(__file__)), "opencv", "3rdparty")),
         ]
         + (
             # If it is not defined 'linker flags: /machine:X86' on Windows x64
@@ -414,7 +412,8 @@ def _classify_installed_files_override(
                     final_install_relpaths.append(new_install_relpath)
                     del m, fslash_relpath, new_install_relpath
                 else:
-                    if not found:
+                    # gapi can be missed if ADE was not downloaded (network issue)
+                    if not found and "gapi" not in relpath_re:
                         raise Exception("Not found: '%s'" % relpath_re)
                 del r, found