python: Correctly set and use __version__

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

.gitignore

@@ -17,6 +17,7 @@ Makefile.in
 /stamp-h1
 /src/python/location
 /src/python/location-importer
+/src/python/__init__.py
 /src/systemd/location-update.service
 /src/systemd/location-update.timer
 /test.db

Makefile.am

@@ -148,7 +148,6 @@ CLEANFILES += \
 	src/libloc.pc
 
 dist_pkgpython_PYTHON = \
-	src/python/__init__.py \
 	src/python/database.py \
 	src/python/downloader.py \
 	src/python/export.py \
@@ -156,6 +155,15 @@ dist_pkgpython_PYTHON = \
 	src/python/importer.py \
 	src/python/logger.py
 
+pkgpython_PYTHON = \
+	src/python/__init__.py
+
+EXTRA_DIST += \
+	src/python/__init__.py.in
+
+CLEANFILES += \
+	src/python/__init__.py
+
 pyexec_LTLIBRARIES = \
 	src/python/_location.la
 

src/python/__init__.py → src/python/__init__.py.in

@@ -17,6 +17,8 @@
 #                                                                             #
 ###############################################################################
 
+__version__ = "@VERSION@"
+
 # Import everything from the C module
 from _location import *
 

src/python/downloader.py

@@ -28,6 +28,7 @@ import urllib.error
 import urllib.parse
 import urllib.request
 
+from . import __version__
 from _location import Database, DATABASE_VERSION_LATEST
 
 DATABASE_FILENAME = "location.db.xz"
@@ -71,7 +72,7 @@ class Downloader(object):
 
 		# Update headers
 		headers.update({
-			"User-Agent" : "location/@VERSION@",
+			"User-Agent" : "location/%s" % __version__,
 		})
 
 		# Set headers