added script for getting one particular activity

get_activity.py

@@ -0,0 +1,70 @@
+#! /usr/bin/env python
+"""A program that downloads one particular activity from a given Garmin
+Connect account and stores it locally on the user's computer.
+"""
+import argparse
+import getpass
+from garminexport.garminclient import GarminClient
+import garminexport.util
+import logging
+import os
+import sys
+import traceback
+
+logging.basicConfig(
+    level=logging.INFO, format="%(asctime)-15s [%(levelname)s] %(message)s")
+log = logging.getLogger(__name__)
+
+LOG_LEVELS = {
+    "DEBUG": logging.DEBUG,
+    "INFO": logging.INFO,
+    "WARNING": logging.WARNING,
+    "ERROR": logging.ERROR
+}
+"""Command-line (string-based) log-level mapping to logging module levels."""
+
+
+if __name__ == "__main__":
+    
+    parser = argparse.ArgumentParser(
+        description=("Downloads one particular activity for a given "
+                     "Garmin Connect account."))
+    # positional args
+    parser.add_argument(
+        "username", metavar="<username>", type=str, help="Account user name.")
+    parser.add_argument(
+        "activity", metavar="<activity>", type=int, help="Activity ID.")
+
+    # optional args
+    parser.add_argument(
+        "--password", type=str, help="Account password.")
+    parser.add_argument(
+        "--destination", metavar="DIR", type=str,
+        help=("Destination directory for downloaded activity. Default: "
+              "./activities/"), default=os.path.join(".", "activities"))
+    parser.add_argument(
+        "--log-level", metavar="LEVEL", type=str,
+        help=("Desired log output level (DEBUG, INFO, WARNING, ERROR). "
+              "Default: INFO."), default="INFO")
+    
+    args = parser.parse_args()
+    if not args.log_level in LOG_LEVELS:
+        raise ValueError("Illegal log-level argument: {}".format(args.log_level))
+    logging.root.setLevel(LOG_LEVELS[args.log_level])
+        
+    try:
+        if not os.path.isdir(args.destination):
+            os.makedirs(args.destination)
+
+        if not args.password:
+            args.password = getpass.getpass("Enter password: ")
+        
+        with GarminClient(args.username, args.password) as client:
+            log.info("fetching activity {} ...".format(args.activity))
+            garminexport.util.save_activity(
+                client, args.activity, args.destination)
+    except Exception as e:
+        exc_type, exc_value, exc_traceback = sys.exc_info()
+        log.error(u"failed with exception: %s", e)
+        raise
+