Update OpenStreetMap query with email, fix requests parameters

OpenStreetMap has optional parameter email to add an email address for
large requests amount.
Also check google and open street map options do not overlap.

All requests are now built with the parameters option when queries so
any parameter given is automatically correctly encoded.

bin/reverse_geolocate.py

@@ -125,9 +125,18 @@ def reverseGeolocateOpenStreetMap(longitude, latitude):
     language = 'en-US,en'
     # build query
     base = 'https://nominatim.openstreetmap.org/reverse.php?'
-    params = 'format={format}&lat={lat}&lon={lon}&accept-language={lang}&zoom=21'.format(lon = longitude, lat = latitude, format = query_format, lang = language)
-    url = "{base}{params}".format(base = base, params = params)
-    response = requests.get(url)
+    # parameters
+    payload = {
+        'format': query_format,
+        'lat': latitude,
+        'lon': longitude,
+        'accept-language': language
+    }
+    # if we have an email, add it here
+    if args.email:
+        payload['email'] = args.email
+    url = "{base}".format(base = base)
+    response = requests.get(url, params = payload)
     # debug output
     if args.debug:
         print("OpenStreetMap search for Lat: {}, Long: {}".format(latitude, longitude))
@@ -176,12 +185,16 @@ def reverseGeolocateGoogle(longitude, latitude):
     protocol = 'https://' if args.google_api_key else 'http://'
     base = "maps.googleapis.com/maps/api/geocode/json?"
     # build the base params
-    params = "latlng={lat},{lon}&sensor={sensor}".format(lon = longitude, lat = latitude, sensor = sensor)
+    payload = {
+        'latlng': '{lat},{lon}'.format(lon = longitude, lat = latitude),
+        'sensor': sensor
+    }
     # if we have a google api key, add it here
-    key = "&key={}".format(args.google_api_key) if args.google_api_key else ''
+    if args.google_api_key:
+        payload['key'] = args.google_api_key
     # build the full url and send it to google
-    url = "{protocol}{base}{params}{key}".format(protocol = protocol, base = base, params = params, key = key)
-    response = requests.get(url)
+    url = "{protocol}{base}".format(protocol = protocol, base = base)
+    response = requests.get(url, params = payload)
     # debug output
     if args.debug:
         print("Google search for Lat: {}, Long: {}".format(longitude, latitude))
@@ -379,6 +392,13 @@ parser.add_argument('-o', '--openstreetmap',
     help = 'Use openstreetmap instead of Google'
 )
 
+# email of open street maps requests
+parser.add_argument('-e', '--email',
+    dest = 'email',
+    metavar = 'EMIL ADDRESS',
+    help = 'An email address for OpenStreetMap'
+)
+
 # Do not create backup files
 parser.add_argument('-n', '--nobackup',
     dest = 'no_xmp_backup',
@@ -409,13 +429,31 @@ if not args.verbose:
     args.verbose = 0
 
 if args.debug:
-    print("### ARGUMENT VARS: X: {}, L: {}, F: {}, M: {}, G: {}, N; {}, V: {}, D: {}, T: {}".format(args.xmp_sources, args.lightroom_folder, args.field_controls, args.use_openstreetmap, args.google_api_key, args.no_xmp_backup, args.verbose, args.debug, args.test))
+    print("### ARGUMENT VARS: X: {}, L: {}, F: {}, M: {}, G: {}, E: {}, N; {}, V: {}, D: {}, T: {}".format(args.xmp_sources, args.lightroom_folder, args.field_controls, args.use_openstreetmap, args.google_api_key, args.email, args.no_xmp_backup, args.verbose, args.debug, args.test))
 
+# error flag
+error = False
 # set search map type
 map_type = 'google' if not args.use_openstreetmap else 'openstreetmap'
 # if -g and -o, error
 if args.google_api_key and args.use_openstreetmap:
-    print("You cannot set a Google API key and use openstreetmap at the seame time")
+    print("You cannot set a Google API key and use OpenStreetMap at the same time")
+    error = True
+# or if -g and -e
+if args.google_api_key and args.email:
+    print("You cannot set a Google API key and OpenStreetMap email at the same time")
+    error = True
+# or -e and no -o
+if args.email and not args.use_openstreetmap:
+    print("You cannot set an OpenStreetMap email and not use OpenStreetMap")
+    error = True
+# if email and not basic valid email (@ .)
+if args.email:
+    if re.match('^.+@.+\..+$', args.email):
+        print("Not a valid email for OpenStreetMap: {}".format(args.email))
+        error = True
+# on error exit here
+if error:
     sys.exit(1)
 
 # The XMP fields const lookup values
@@ -458,8 +496,6 @@ data_cache = {}
 work_files = []
 # all failed files
 failed_files = []
-# error flag
-error = False
 # use lightroom
 use_lightroom = False
 # cursors & query