1 files changed, 103 insertions, 0 deletions
diff --git a/PCbuild/get_externals.bat b/PCbuild/get_externals.bat
new file mode 100644
index 0000000..926bd5f
--- /dev/null
+++ b/PCbuild/get_externals.bat
@@ -0,0 +1,103 @@
+@echo off
+setlocal
+rem Simple script to fetch source for external libraries
+
+if not exist "%~dp0..\externals" mkdir "%~dp0..\externals"
+pushd "%~dp0..\externals"
+
+if "%SVNROOT%"=="" set SVNROOT=http://svn.python.org/projects/external/
+
+rem Optionally clean up first.  Be warned that this can be very destructive!
+if not "%1"=="" (
+    for %%c in (-c --clean --clean-only) do (
+        if "%1"=="%%c" goto clean
+    )
+    goto usage
+)
+goto fetch
+
+:clean
+echo.Cleaning up external libraries.
+for /D %%d in (
+               bzip2-*
+               db-*
+               nasm-*
+               openssl-*
+               tcl-*
+               tcltk*
+               tk-*
+               tix-*
+               sqlite-*
+               xz-*
+               ) do (
+    echo.Removing %%d
+    rmdir /s /q %%d
+)
+if "%1"=="--clean-only" (
+    goto end
+)
+
+:fetch
+rem Fetch current versions
+
+svn --version > nul 2>&1
+if ERRORLEVEL 9009 (
+    echo.svn.exe must be on your PATH.
+    echo.Try TortoiseSVN (http://tortoisesvn.net/^) and be sure to check the
+    echo.command line tools option.
+    popd
+    exit /b 1
+)
+
+echo.Fetching external libraries...
+
+for %%e in (
+            bzip2-1.0.6
+            nasm-2.11.06
+            openssl-1.0.2a
+            tcl-core-8.6.4.1
+            tk-8.6.4.1
+            tix-8.4.3.4
+            sqlite-3.8.3.1
+            xz-5.0.5
+            ) do (
+    if exist %%e (
+        echo.%%e already exists, skipping.
+    ) else (
+        echo.Fetching %%e...
+        svn export %SVNROOT%%%e
+    )
+)
+
+goto end
+
+:usage
+echo.invalid argument: %1
+echo.usage: %~n0 [[ -c ^| --clean ] ^| --clean-only ]
+echo.
+echo.Pull all sources necessary for compiling optional extension modules
+echo.that rely on external libraries.  Requires svn.exe to be on your PATH
+echo.and pulls sources from %SVNROOT%.
+echo.
+echo.Use the -c or --clean option to clean up all external library sources
+echo.before pulling in the current versions.
+echo.
+echo.Use the --clean-only option to do the same cleaning, without pulling in
+echo.anything new.
+echo.
+echo.Only the first argument is checked, all others are ignored.
+echo.
+echo.**WARNING**: the cleaning options unconditionally remove any directory
+echo.that is a child of
+echo.   %CD%
+echo.and matches wildcard patterns beginning with bzip2-, db-, nasm-, openssl-,
+echo.tcl-, tcltk, tk-, tix-, sqlite-, or xz-, and as such has the potential
+echo.to be very destructive if you are not aware of what it is doing.  Use with
+echo.caution!
+popd
+exit /b -1
+
+
+:end
+echo Finished.
+popd