Restructure contrib_bots bots to new layout.

In order to make the layout of all bots consistent, this commit
moves each bot into a folder with its name and modifies 'run.py'
so that only bots with such a structure can be executed. 'lib'
gets renamed to 'bots'.

contrib_bots/bots/commute_bot/CommuteBot/doc.md

@@ -17,7 +17,7 @@ the user home directory and add an API key.
 Move
 
 ```
-~/zulip/contrib_bots/lib/CommuteBot/google-commute.ini
+~/zulip/contrib_bots/bots/commute_bot/CommuteBot/google-commute.ini
 ```
 
 into

contrib_bots/bots/commute_bot/commute_bot.py

@@ -62,7 +62,9 @@ class CommuteHandler(object):
 
     Please note:
         Fare information can be derived, though is solely dependent on the
-        availability of the informatipython run.py lib/followup.py --config-file ~/.zuliprc-localon released by public transport operators.
+        availability of the information
+        python run.py bots/followup/followup.py --config-file ~/.zuliprc-local
+        released by public transport operators.
         Duration in traffic can only be derived if a departure time is set.
         If a location has spaces in its name, please use a + symbol in the
         place of the space/s.
@@ -88,7 +90,7 @@ class CommuteHandler(object):
     # adds API Authentication Key to url request
     def get_api_key(self):
         # google-commute.ini must have been moved from
-        # ~/zulip/contrib_bots/lib/CommuteBot/google-commute.ini into
+        # ~/zulip/contrib_bots/bots/commute_bot/CommuteBot/google-commute.ini into
         # /google-commute.ini for program to work
         # see doc.md for more information
         with open(CONFIG_PATH) as settings:

contrib_bots/bots/foursquare/foursquare.py

@@ -9,11 +9,11 @@ from six.moves import configparser as cp
 from six.moves import range
 
 home = expanduser('~')
-CONFIG_PATH = home + '/zulip/contrib_bots/lib/FourSquareBot/settings.ini'
+CONFIG_PATH = home + '/zulip/contrib_bots/bots/foursquare/FourSquareBot/settings.ini'
 
 def get_api_key():
     # settings.ini must have been moved from
-    # ~/zulip/contrib_bots/lib/FourSquareBot/settings.ini into
+    # ~/zulip/contrib_bots/bots/foursquare/FourSquareBot/settings.ini into
     # ~/settings.ini for program to work
     # see doc.md for more information
     with open(CONFIG_PATH) as settings:

contrib_bots/bots/git_hub_comment/readme-github-comment-bot.md

@@ -27,7 +27,7 @@ Here is an example of running the `git_hub_comment` bot from
 inside a Zulip repo:
 
     `cd ~/zulip/contrib_bots`
-    `./run.py lib/git_hub_comment.py --config-file ~/.zuliprc-prod`
+    `./run.py bots/git_hub_comment/git_hub_comment.py --config-file ~/.zuliprc-prod`
 
 Once the bot code starts running, you will see a
 message explaining how to use the bot, as well as

contrib_bots/bots/readme.md

@@ -33,7 +33,7 @@ Here is an example of running the "follow-up" bot from
 inside a Zulip repo (and in your remote instance):
 
     cd ~/zulip/contrib_bots
-    ./run.py lib/followup.py --config-file ~/.zuliprc-prod
+    ./run.py bots/followup/followup.py --config-file ~/.zuliprc-prod
 
 Once the bot code starts running, you will see a
 message explaining how to use the bot, as well as

contrib_bots/bots/thesaurus/thesaurus.py

@@ -1,4 +1,4 @@
-# See zulip/contrib_bots/lib/readme.md for instructions on running this code.
+# See zulip/contrib_bots/bots/readme.md for instructions on running this code.
 from __future__ import print_function
 import sys
 import logging

contrib_bots/bots/yoda_bot/readme-yoda-bot.md

@@ -55,7 +55,7 @@ Here is an example of running the "yoda_bot" bot from
 inside a Zulip repo:
 
     cd ~/zulip/contrib_bots
-    ./run.py lib/yoda_bot.py --config-file ~/.zuliprc-prod
+    ./run.py bots/yoda_bot/yoda_bot.py --config-file ~/.zuliprc-prod
 
 Once the bot code starts running, you will see a
 message explaining how to use the bot, as well as

contrib_bots/run.py

@@ -12,36 +12,31 @@ sys.path.insert(0, our_dir)
 
 from bot_lib import run_message_handler_for_bot
 
-def get_lib_module(lib_fn):
-    lib_fn = os.path.abspath(lib_fn)
-    if not os.path.dirname(lib_fn).startswith(os.path.join(our_dir, 'lib')):
-        print('Sorry, we will only import code from contrib_bots/lib.')
+def get_lib_module(bots_fn):
+    bots_fn = os.path.abspath(bots_fn)
+    if not os.path.dirname(bots_fn).startswith(os.path.join(our_dir, 'bots')):
+        print('Sorry, we will only import code from contrib_bots/bots.')
         sys.exit(1)
 
-    if not lib_fn.endswith('.py'):
+    if not bots_fn.endswith('.py'):
         print('Please use a .py extension for library files.')
         sys.exit(1)
-
-    sys.path.append('lib')
-    base_lib_fn = os.path.basename(os.path.splitext(lib_fn)[0])
-    module_name = 'lib.' + base_lib_fn
+    base_bots_fn = os.path.basename(os.path.splitext(bots_fn)[0])
+    sys.path.append('bots/{}'.format(base_bots_fn))
+    module_name = base_bots_fn
     module = importlib.import_module(module_name)
     return module
 
 def run():
     usage = '''
         ./run.py <lib file>
-
         Example: ./run.py lib/followup.py
-
         (This program loads bot-related code from the
         library code and then runs a message loop,
         feeding messages to the library code to handle.)
-
         Please make sure you have a current ~/.zuliprc
         file with the credentials you want to use for
         this bot.
-
         See lib/readme.md for more context.
         '''
 
@@ -58,7 +53,7 @@ def run():
         print('You must specify a library!')
         sys.exit(1)
 
-    lib_module = get_lib_module(lib_fn=args[0])
+    lib_module = get_lib_module(bots_fn=args[0])
 
     if not options.quiet:
         logging.basicConfig(stream=sys.stdout, level=logging.INFO)