not all activities have FIT files (e.g., manually entered ones)

README.md

@@ -45,7 +45,8 @@ For each activity, these files are stored:
 
   -   an activity TCX file (XML)
 
-    - an activity FIT file (binary)
+  -   an activity FIT file (binary) (if available -- the activity may have
+      been entered manuall rather than imported from a Garmin device).
 
 All files are written to the same directory (``activities/<timestamp>/`` 
 by default). Each activity file is prefixed by its upload timestamp and its 

garminexport.py

@@ -92,6 +92,7 @@ if __name__ == "__main__":
                     f.write(activity_gpx)
                 with codecs.open(tcx_file, encoding="utf-8", mode="w") as f:
                     f.write(activity_tcx)
+                if activity_fit:
                     with open(fit_file, mode="wb") as f:
                         f.write(activity_fit)
     except Exception as e:

garminexport/garminclient.py

@@ -262,22 +262,30 @@ class GarminClient(object):
         :returns: The TCX representation of the activity as an XML string.
         :rtype: str
         """
-        response = self.session.get("https://connect.garmin.com/proxy/activity-service-1.3/tcx/course/{}".format(activity_id))
+        
+        response = self.session.get("http://connect.garmin.com/proxy/activity-service-1.1/tcx/activity/{}?full=true".format(activity_id))
         if response.status_code != 200:
             raise Exception(u"failed to fetch TCX for activity {}: {}\n{}".format(
                 activity_id, response.status_code, response.text))        
         return response.text
 
     def get_activity_fit(self, activity_id):
-        """Return a FIT representation for a given activity.
+        """Return a FIT representation for a given activity. If the activity
+        doesn't have a FIT source (for example, if it was entered manually
+        rather than imported from a Garmin device) a :obj:`None` value is
+        returned.
 
         :param activity_id: Activity identifier.
         :type activity_id: int
-        :returns: A string with a FIT file for the activity.
+        :returns: A string with a FIT file for the activity or :obj:`None`
+          if no FIT source exists for this activity (e.g., entered manually).
         :rtype: str
         """
         
         response = self.session.get("https://connect.garmin.com/proxy/download-service/files/activity/{}".format(activity_id))
+        if response.status_code == 404:
+            # No FIT source available for activity
+            return None
         if response.status_code != 200:
             raise Exception(u"failed to fetch FIT for activity {}: {}\n{}".format(
                 activity_id, response.status_code, response.text))