Fix bug when use_shortener is "False", document ur1.ca etc.

README.md

@@ -15,7 +15,7 @@ edit it so that it contains similar settings to those you had at `conf.py`
 * [Twister](http://twister.net.co/) (of course)
 * [python-bitcoinrpc](https://pypi.python.org/pypi/python-bitcoinrpc/)
 * [feedparser](https://pypi.python.org/pypi/feedparser/)
-* [gdshortener](https://github.com/torre76/gd_shortener/) (optional)
+* URL shortener dependencies (see `use_shortener` at `feedparser.conf.example`)
 
 ### Installing
 

feed2twister.conf.example

@@ -20,7 +20,13 @@ feeds = https://swatwt.com/favs/rss/en
 logging_level = debug
 # we don't want to flood more than that in a single run.
 max_new_items_per_feed = 3
-# to enable this, you need gdshortener: https://github.com/torre76/gd_shortener/
+# use_shortener (case insensitive):
+# * False [default] - no shortener
+# * Is.gd [or True (for backward-compatibility)] -- Dependencies:
+#   * https://github.com/torre76/gd_shortener
+# * Ur1.ca [Less tor-hostile] -- Dependencies:
+#   * https://github.com/legoktm/ur1
+#   * https://github.com/MiCHiLU/python-functools32
 use_shortener = False
 # tell is.gd to publicly show statistics for the shortened url
 shortener_stats = True

feed2twister.py

@@ -43,14 +43,11 @@ if 'logging_level' in main_config and main_config['logging_level']:
 
 logging.basicConfig(level=log_level)
 
-# region shorteners
-if 'use_shortener' not in main_config or not main_config['use_shortener']:
-    shorten = lambda url: url
+# url shorteners
+shortener = str(main_config.get('use_shortener', 'false')).lower()
 
-shortener = str(main_config['use_shortener']).lower()
-
-# is.gd is the default
-if shortener in ['isgd', 'is.gd', 'gd', 'true', 'yes', 't', '1']:
+# is.gd is the default (for historical reasons, but they're tor-user hostile :( )
+if shortener in ['isgd', 'is.gd', 'gd', 'true', 'yes', 'y', '1']:
     import gdshortener
     shorten = \
         lambda url: gdshortener.ISGDShortener().shorten(url=url, log_stat=get_bool_conf_option('shortener_stats'))[0]
@@ -61,8 +58,10 @@ elif shortener in ['v', 'vgd', 'v.gd']:
 elif shortener in ['ur1', 'ur1.ca', 'ur1ca']:
     import ur1
     shorten = lambda url: ur1.shorten(url)
+elif shortener in ['false', 'no', 'n', '0']:
+    shorten = lambda url: url
 else:
-    logging.error('Invalid configuration for "shortener"!')
+    logging.error('Invalid configuration for "use_shortener"!')
     sys.exit(10)
 # endregion