[IMP] packaging: automate win installer displayed version

When a new Odoo version is released, the displayed version in the
Windows NSIS installer has to be manually updated.

With this commit, the displayed version is computed from the release.py
file.

Part-of: odoo/odoo#78386

setup/package.py

@@ -11,6 +11,7 @@ import signal
 import subprocess
 import sys
 import tempfile
+import textwrap
 import time
 import traceback
 from xmlrpc import client as xmlrpclib
@@ -23,6 +24,10 @@ from glob import glob
 
 ROOTDIR = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
 TSTAMP = time.strftime("%Y%m%d", time.gmtime())
+# Get some variables from release.py
+version = ...
+version_info = ...
+nt_service_name = ...
 exec(open(os.path.join(ROOTDIR, 'odoo', 'release.py'), 'rb').read())
 VERSION = version.split('-')[0].replace('saas~', '')
 GPGPASSPHRASE = os.getenv('GPGPASSPHRASE')
@@ -450,11 +455,16 @@ class KVM(object):
 class KVMWinBuildExe(KVM):
     def run(self):
         logging.info('Start building Windows package')
-        with open(os.path.join(self.args.build_dir, 'setup/win32/Makefile.version'), 'w') as f:
-            f.write("VERSION=%s.%s\n" % (VERSION.replace('~', '_').replace('+', ''), TSTAMP))
-        with open(os.path.join(self.args.build_dir, 'setup/win32/Makefile.python'), 'w') as f:
+        with open(os.path.join(self.args.build_dir, 'setup/win32/Makefile.version'), 'w', encoding='utf-8') as f:
+            win_version = VERSION.replace('~', '_').replace('+', '')
+            f.write(textwrap.dedent(f"""
+                VERSION={win_version}.{TSTAMP}
+                MAJORVERSION={version_info[0]}
+                MINORVERSION={version_info[1]}
+            """))
+        with open(os.path.join(self.args.build_dir, 'setup/win32/Makefile.python'), 'w', encoding='utf-8') as f:
             f.write("PYTHON_VERSION=%s\n" % self.args.vm_winxp_python_version)
-        with open(os.path.join(self.args.build_dir, 'setup/win32/Makefile.servicename'), 'w') as f:
+        with open(os.path.join(self.args.build_dir, 'setup/win32/Makefile.servicename'), 'w', encoding='utf-8') as f:
             f.write("SERVICENAME=%s\n" % nt_service_name)
 
         remote_build_dir = '/cygdrive/c/odoobuild/server/'

setup/win32/Makefile

@@ -5,7 +5,7 @@ include Makefile.servicename
 SERVER_DIRECTORY=../..
 FILES_DIRECTORY=release
 
-MAKENSIS_ARGUMENTS=/DVERSION=$(VERSION) /DSERVICENAME=${SERVICENAME} /DPYTHONVERSION=${PYTHON_VERSION}
+MAKENSIS_ARGUMENTS=/DVERSION=$(VERSION) /DMAJOR_VERSION=$(MAJORVERSION) /DMINOR_VERSION=$(MINORVERSION) /DSERVICENAME=${SERVICENAME} /DPYTHONVERSION=${PYTHON_VERSION}
 
 LAUNCH_MAKENSIS=/cygdrive/c/tools/cygwin/makensis $(MAKENSIS_ARGUMENTS) setup.nsi
 WINPY32_DIR=/cygdrive/c/odoobuild/WinPy32/python-${PYTHON_VERSION}