updated from Atlas

19-dyn-attr-prop/oscon/osconfeed.py

@@ -0,0 +1,49 @@
+"""
+osconfeed.py: Script to download the OSCON schedule feed
+
+# BEGIN OSCONFEED_DEMO
+
+    >>> feed = load()  # <1>
+    >>> sorted(feed['Schedule'].keys())  # <2>
+    ['conferences', 'events', 'speakers', 'venues']
+    >>> for key, value in sorted(feed['Schedule'].items()):
+    ...     print('{:3} {}'.format(len(value), key))  # <3>
+    ...
+      1 conferences
+    484 events
+    357 speakers
+     53 venues
+    >>> feed['Schedule']['speakers'][-1]['name']  # <4>
+    'Carina C. Zona'
+    >>> feed['Schedule']['speakers'][-1]['serial']  # <5>
+    141590
+    >>> feed['Schedule']['events'][40]['name']
+    'There *Will* Be Bugs'
+    >>> feed['Schedule']['events'][40]['speakers']  # <6>
+    [3471, 5199]
+
+
+# END OSCONFEED_DEMO
+"""
+
+# BEGIN OSCONFEED
+from urllib.request import urlopen
+import warnings
+import os
+import json
+
+URL = 'http://www.oreilly.com/pub/sc/osconfeed'
+JSON = 'data/osconfeed.json'
+
+
+def load():
+    if not os.path.exists(JSON):
+        msg = 'downloading {} to {}'.format(URL, JSON)
+        warnings.warn(msg)  # <1>
+        with urlopen(URL) as remote, open(JSON, 'wb') as local:  # <2>
+            local.write(remote.read())
+
+    with open(JSON) as fp:
+        return json.load(fp)  # <3>
+
+# END OSCONFEED