build: updates for winpack dldt

CMakeLists.txt

@@ -946,11 +946,11 @@ endif()
 # for UNIX it does not make sense as LICENSE and readme will be part of the package automatically
 if(ANDROID OR NOT UNIX)
   install(FILES ${OPENCV_LICENSE_FILE}
-        PERMISSIONS OWNER_READ GROUP_READ WORLD_READ
+        PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
         DESTINATION ./ COMPONENT libs)
   if(OPENCV_README_FILE)
     install(FILES ${OPENCV_README_FILE}
-            PERMISSIONS OWNER_READ GROUP_READ WORLD_READ
+            PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
             DESTINATION ./ COMPONENT libs)
   endif()
 endif()

modules/videoio/CMakeLists.txt

@@ -221,7 +221,6 @@ if(WIN32 AND HAVE_FFMPEG_WRAPPER)
   endif()
   install(FILES "${ffmpeg_path}" DESTINATION ${OPENCV_BIN_INSTALL_PATH} COMPONENT libs RENAME "${ffmpeg_bare_name_ver}")
   if(INSTALL_CREATE_DISTRIB)
-    install(FILES "${ffmpeg_dir}/opencv_videoio_ffmpeg.dll" DESTINATION "bin/" COMPONENT libs RENAME "opencv_videoio_ffmpeg${OPENCV_DLLVERSION}.dll")
-    install(FILES "${ffmpeg_dir}/opencv_videoio_ffmpeg_64.dll" DESTINATION "bin/" COMPONENT libs RENAME "opencv_videoio_ffmpeg${OPENCV_DLLVERSION}_64.dll")
+    install(FILES "${ffmpeg_dir}/opencv_videoio_ffmpeg${FFMPEG_SUFFIX}.dll" DESTINATION "bin/" COMPONENT libs RENAME "opencv_videoio_ffmpeg${OPENCV_DLLVERSION}${FFMPEG_SUFFIX}.dll")
   endif()
 endif()

samples/_winpack_build_sample.cmd

@@ -4,16 +4,24 @@
 ::   - > _winpack_build_sample.cmd cpp\opencv_version.cpp
 :: Requires:
 :: - CMake
-:: - MSVS 2015/2017
+:: - MSVS 2015/2017/2019
 :: (tools are searched on default paths or environment should be pre-configured)
 @echo off
 setlocal
 
-set SCRIPTDIR=%~dp0
-if NOT exist "%SCRIPTDIR%\..\..\build" (
+SET SCRIPT_DIR=%~dp0
+SET "OPENCV_SETUPVARS_SCRIPT=setup_vars_opencv4.cmd"
+SET "PACKAGE_BUILD_DIR=%SCRIPT_DIR%\..\..\build"
+IF NOT EXIST "%PACKAGE_BUILD_DIR%\%OPENCV_SETUPVARS_SCRIPT%" (
+  :: Winpack DLDT
+  SET "PACKAGE_BUILD_DIR=%SCRIPT_DIR%\..\..\..\build"
+)
+IF NOT EXIST "%PACKAGE_BUILD_DIR%\%OPENCV_SETUPVARS_SCRIPT%" (
   set "MSG=OpenCV Winpack installation is required"
   goto die
 )
+:: normalize path
+for %%i in ("%PACKAGE_BUILD_DIR%") do SET "PACKAGE_BUILD_DIR=%%~fi"
 
 if [%1]==[] (
   set "MSG=Sample path is required"
@@ -35,8 +43,8 @@ set "SRC_NAME=%~n1"
 echo SRC_NAME=%SRC_NAME%
 echo ================================================================================
 
-:: Path to FFMPEG binary files
-set "PATH=%PATH%;%SCRIPTDIR%\..\..\build\bin\"
+:: Path to root 'bin' dir
+set "PATH=%PACKAGE_BUILD_DIR%\bin;%PATH%"
 
 :: Detect compiler
 cl /? >NUL 2>NUL <NUL
@@ -102,12 +110,21 @@ if NOT DEFINED VisualStudioVersion (
 if "%VisualStudioVersion%" == "14.0" (
   set "CMAKE_GENERATOR=-G^"Visual Studio 14 Win64^""
   set "BUILD_DIR_SUFFIX=.vc14"
-  set "PATH=%PATH%;%SCRIPTDIR%\..\..\build\x64\vc14\bin\"
+  if EXIST "%PACKAGE_BUILD_DIR%\x64\vc14\bin" (
+    set "PATH=%PACKAGE_BUILD_DIR%\x64\vc14\bin;%PATH%"
+  )
 ) else (
   if "%VisualStudioVersion%" == "15.0" (
     set "CMAKE_GENERATOR=-G^"Visual Studio 15 Win64^""
     set "BUILD_DIR_SUFFIX=.vc15"
     set "PATH=%PATH%;%SCRIPTDIR%\..\..\build\x64\vc15\bin\"
+    if EXIST "%PACKAGE_BUILD_DIR%\x64\vc15\bin" (
+      set "PATH=%PACKAGE_BUILD_DIR%\x64\vc15\bin;%PATH%"
+    ) else (
+      if EXIST "%PACKAGE_BUILD_DIR%\x64\vc14\bin" (
+        set "PATH=%PACKAGE_BUILD_DIR%\x64\vc14\bin;%PATH%"
+      )
+    )
   ) else (
     if "%VisualStudioVersion%" == "16.0" (
       echo.==========================================
@@ -115,7 +132,17 @@ if "%VisualStudioVersion%" == "14.0" (
       echo.==========================================
       set "CMAKE_GENERATOR=-G^"Visual Studio 16 2019^" -A x64"
       set "BUILD_DIR_SUFFIX=.vc16"
-      set "PATH=%PATH%;%SCRIPTDIR%\..\..\build\x64\vc15\bin\"
+      if EXIST "%PACKAGE_BUILD_DIR%\x64\vc16\bin" (
+        set "PATH=%PACKAGE_BUILD_DIR%\x64\vc16\bin;%PATH%"
+      ) else (
+        if EXIST "%PACKAGE_BUILD_DIR%\x64\vc15\bin" (
+          set "PATH=%PACKAGE_BUILD_DIR%\x64\vc15\bin;%PATH%"
+        ) else (
+          if EXIST "%PACKAGE_BUILD_DIR%\x64\vc14\bin" (
+            set "PATH=%PACKAGE_BUILD_DIR%\x64\vc14\bin;%PATH%"
+          )
+        )
+      )
     ) else (
       set "MSG=Unsupported MSVS version. VisualStudioVersion=%VisualStudioVersion%"
       goto die
@@ -128,10 +155,10 @@ call :set_title Create build directory
 if NOT exist "%BUILD_DIR%" ( call :execute md "%BUILD_DIR%" )
 PUSHD "%BUILD_DIR%"
 if NOT exist "%BUILD_DIR%/sample" ( call :execute md "%BUILD_DIR%/sample" )
-call :execute copy /Y "%SCRIPTDIR%/CMakeLists.example.in" "%BUILD_DIR%/sample/CMakeLists.txt"
+call :execute copy /Y "%SCRIPT_DIR%/CMakeLists.example.in" "%BUILD_DIR%/sample/CMakeLists.txt"
 
 call :set_title Configuring via CMake
-call :execute cmake %CMAKE_GENERATOR% "%BUILD_DIR%\sample" -DEXAMPLE_NAME=%SRC_NAME% "-DEXAMPLE_FILE=%SRC_FILENAME%" "-DOpenCV_DIR=%SCRIPTDIR%\..\..\build"
+call :execute cmake %CMAKE_GENERATOR% "%BUILD_DIR%\sample" -DEXAMPLE_NAME=%SRC_NAME% "-DEXAMPLE_FILE=%SRC_FILENAME%"
 if %ERRORLEVEL% NEQ 0 (
   set "MSG=CMake configuration step failed: %BUILD_DIR%"
   goto die

samples/_winpack_run_python_sample.cmd

@@ -2,11 +2,19 @@
 SETLOCAL
 
 SET SCRIPT_DIR=%~dp0
-IF NOT EXIST "%SCRIPT_DIR%\..\..\build\setup_vars_opencv4.cmd" (
+SET "OPENCV_SETUPVARS_SCRIPT=setup_vars_opencv4.cmd"
+SET "BUILD_DIR=%SCRIPT_DIR%\..\..\build"
+IF NOT EXIST "%BUILD_DIR%\%OPENCV_SETUPVARS_SCRIPT%" (
+  :: Winpack DLDT
+  SET "BUILD_DIR=%SCRIPT_DIR%\..\..\..\build"
+)
+IF NOT EXIST "%BUILD_DIR%\%OPENCV_SETUPVARS_SCRIPT%" (
   ECHO ERROR: OpenCV Winpack installation is required
   pause
   exit
 )
+:: normalize path
+for %%i in ("%PACKAGE_BUILD_DIR%") do SET "PACKAGE_BUILD_DIR=%%~fi"
 
 :: Detect Python binary
 python -V 2>nul
@@ -80,7 +88,11 @@ echo SRC_FILENAME=%SRC_FILENAME%
 call :dirname "%SRC_FILENAME%" SRC_DIR
 call :dirname "%PYTHON%" PYTHON_DIR
 PUSHD %SRC_DIR%
-CALL "%SCRIPT_DIR%\..\..\build\setup_vars_opencv4.cmd"
+
+CALL "%BUILD_DIR%\%OPENCV_SETUPVARS_SCRIPT%"
+:: repair SCRIPT_DIR
+SET "SCRIPT_DIR=%~dp0"
+
 ECHO Run: %*
 %PYTHON% %*
 SET result=%errorlevel%
@@ -94,17 +106,23 @@ IF %result% NEQ 0 (
     cmd /k echo Current directory: %CD%
   )
 )
+
 POPD
 EXIT /B %result%
 
 :rundemo
 PUSHD "%SCRIPT_DIR%\python"
-CALL "%SCRIPT_DIR%\..\..\build\setup_vars_opencv4.cmd"
+
+CALL "%BUILD_DIR%\%OPENCV_SETUPVARS_SCRIPT%"
+:: repair SCRIPT_DIR
+SET "SCRIPT_DIR=%~dp0"
+
 %PYTHON% demo.py
 SET result=%errorlevel%
 IF %result% NEQ 0 (
   IF NOT DEFINED OPENCV_BATCH_MODE ( pause )
 )
+
 POPD
 EXIT /B %result%
 

samples/python/demo.py

@@ -114,12 +114,24 @@ class App:
     def on_demo_select(self, evt):
         name = self.demos_lb.get( self.demos_lb.curselection()[0] )
         fn = self.samples[name]
-        loc = {}
+
+        descr = ""
         try:
-            execfile(fn, loc)           # Python 2
-        except NameError:
-            exec(open(fn).read(), loc)  # Python 3
-        descr = loc.get('__doc__', 'no-description')
+            if sys.version_info[0] > 2:
+                # Python 3.x
+                module_globals = {}
+                module_locals = {}
+                with open(fn, 'r') as f:
+                    module_code = f.read()
+                exec(compile(module_code, fn, 'exec'), module_globals, module_locals)
+                descr = module_locals.get('__doc__', 'no-description')
+            else:
+                # Python 2
+                module_globals = {}
+                execfile(fn, module_globals)  # noqa: F821
+                descr = module_globals.get('__doc__', 'no-description')
+        except Exception as e:
+            descr = str(e)
 
         self.linker.reset()
         self.text.config(state='normal')