Append CI build number to package version

This makes them unique and avoid collision with the shared cache.

issue8831
review254651002

setup.py

@@ -44,6 +44,12 @@ if minor_version % 2:
     download_url = (
         'hg+http://hg.tryton.org/modules/%s#egg=%s-%s' % (
             name[8:], name, version))
+local_version = []
+for build in ['CI_BUILD_NUMBER', 'CI_JOB_NUMBER', 'CI_JOB_ID']:
+    if os.environ.get(build):
+        local_version.append(os.environ[build])
+if local_version:
+    version += '+' + '.'.join(local_version)
 
 requires = ['python-dateutil', 'python-sql >= 0.4']
 for dep in info.get('depends', []):