Move web service entrypoint to separate script in bin folder

bin/geomag_webservice.py

+#! /usr/bin/env python
+
+from __future__ import absolute_import, print_function
+from builtins import str as unicode
+
+import os
+import sys
+from wsgiref.simple_server import make_server
+# ensure geomag is on the path before importing
+try:
+    import geomagio  # noqa (tells linter to ignore this line.)
+except:
+    path = os.path
+    script_dir = path.dirname(path.abspath(__file__))
+    sys.path.append(path.normpath(path.join(script_dir, '..')))
+    import geomagio
+
+
+if __name__ == '__main__':
+    # read configuration from environment
+    edge_host = os.getenv('EDGE_HOST', 'cwbpub.cr.usgs.gov')
+    edge_port = int(os.getenv('EDGE_PORT', '2060'))
+    factory_type = os.getenv('GEOMAG_FACTORY_TYPE', 'edge')
+    webservice_host = os.getenv('GEOMAG_WEBSERVICE_HOST', '')
+    webservice_port = int(os.getenv('GEOMAG_WEBSERVICE_PORT', '7981'))
+
+    # configure factory
+    if factory_type == 'edge':
+        factory = geomagio.edge.EdgeFactory(host=edge_host, port=edge_port)
+    else:
+        raise "Unknown factory type '%s'" % factory_type
+
+    print("Starting webservice on %s:%d" % (webservice_host, webservice_port))
+    app = geomagio.WebService(factory)
+    httpd = make_server(webservice_host, webservice_port, app)
+    httpd.serve_forever()

geomagio/WebService.py

@@ -343,11 +343,3 @@ class WebServiceQuery(object):
 class WebServiceException(Exception):
     """Base class for exceptions thrown by web services."""
     pass
-
-
-if __name__ == '__main__':
-    from wsgiref.simple_server import make_server
-
-    app = WebService(EdgeFactory())
-    httpd = make_server('', 7981, app)
-    httpd.serve_forever()