Propagate translated maven version to setup.py.

Author: metasim

project/PythonBuildPlugin.scala

@@ -114,7 +114,7 @@ object PythonBuildPlugin extends AutoPlugin {
       val wd = copyPySources.value
       val args = spaceDelimited("<args>").parsed
       val cmd = Seq(pythonCommand.value, "setup.py") ++ args
-      val ver = version.value
+      val ver = (Python / version).value
       s.log.info(s"Running '${cmd.mkString(" ")}' in '$wd'")
       val ec = Process(cmd, wd, "RASTERFRAMES_VERSION" -> ver).!
       if (ec != 0)

pyrasterframes/src/main/python/setup.py

@@ -20,19 +20,22 @@
 
 # Always prefer setuptools over distutils
 from setuptools import setup
-from os import path
+from os import path, environ, mkdir
 import sys
 from glob import glob
 from io import open
 import distutils.cmd
 
 try:
+    enver = environ.get('RASTERFRAMES_VERSION')
+    if enver is not None:
+        open('pyrasterframes/version.py', mode="w").write(f"__version__: str = '{enver}'\n")
     exec(open('pyrasterframes/version.py').read())  # executable python script contains __version__; credit pyspark
-except IOError:
-    print("Run setup via `sbt 'pySetup arg1 arg2'` to ensure correct access to all source files and binaries.")
+except IOError as e:
+    print(e)
+    print("Try running setup via `sbt 'pySetup arg1 arg2'` to ensure correct access to all source files and binaries.")
     sys.exit(-1)
 
-
 VERSION = __version__
 
 here = path.abspath(path.dirname(__file__))