Add cli flag for specifying config file

- Add cli flag for specifying config file
  (This allows running multiple running instances)
- Fix channel joins by waiting for server reply (thanks benharri)
- Remove toot commands from help message (unannounced feature)
- Update readme

.gitignore

@@ -4,5 +4,5 @@ __pycache__/
 *.swp
 
 nohup.out
-*/config.yml
-ramenkan/debug.log
+*.config.yml
+*.log

README.md

@@ -5,16 +5,16 @@ A very basic Python IRC bot script.
 
 ## Example: ramenkan
 
-- Install dependencies: Mastodon.py pyyaml
+- Install dependencies: `pip install Mastodon.py pyyaml`
 
-- Copy the `ramenkan/config.sample.yml` as `ramenkan/comfig.yml` and change
-  settings.
+- Copy the `ramenkan/config.sample.yml` as `ramenkan/default.config.yml` and
+  change the settings as applicable.
 
 - Run:
 
   ```
   chmod +x ramenkan.py
-  nohup python3 ramenkan.py &
+  nohup python3 ramenkan.py >/dev/null 2>&1 &
   ```
 
 

itte.py

@@ -1,3 +1,4 @@
+import argparse
 import socket
 import yaml
 from time import sleep
@@ -9,25 +10,40 @@ class Util:
     """Utility functions."""
 
     def yml(self, yml_file):
-        "Open a YAML file and return a dictionary of values."
+        """Open a YAML file and return a dictionary of values."""
+        try:
             fh = open(yml_file, "r")
             data = yaml.safe_load(fh)
             fh.close()
+        except TypeError:
+            exit("[debug][err] Cannot load YML file. Please check it exists.")
         return data
 
     def rand(self, lst):
         """Return a random item from a given list."""
         return lst[randint(0, len(lst)-1)]
 
+    def cli_flags(self):
+        """Parse command line flags."""
+        self.argp = argparse.ArgumentParser()
+        self.argp.add_argument("-c", "--config", help="Config file")
+        return self.argp.parse_args()
+
 
 class IRC:
     """Methods for basic IRC communication."""
 
-    def config(self, conf):
+    def config(self, def_conf):
         """Load runtime settings from a YAML config file, and returns a
-        dictionary of config values."""
+        dictionary of config values. Looks for the file in a runtime path or in
+        the default location."""
         self.util = Util()
-        cfg = self.util.yml(conf)
+        # Check for runtime config locatiion
+        flags = self.util.cli_flags()
+        if flags.config != "":
+            cfg = self.util.yml(flags.config)
+        else:
+            cfg = self.util.yml(def_conf)
         self.server = (cfg["server"]["host"], cfg["server"]["port"])
         self.channels = cfg["channels"]
         self.bot_nick = cfg["bot_nick"]
@@ -41,6 +57,11 @@ class IRC:
         """A routine that connects to a server, joins channels, and attaches
         the request listener hook to a loop."""
         self.connect(self.server, self.bot_nick)
+        # Wait for server to reply before joining channels
+        svr_greet = self.receive()
+        while ("001 " + self.bot_nick) not in svr_greet:
+            sleep(1)
+            svr_greet = self.receive()
         self.join_channels(self.channels)
         while 1:
             data = self.receive()

ramenkan.py

@@ -16,10 +16,11 @@ class Ramen:
         self.links = self.util.yml("ramenkan/links.yml")
         self.photos = self.util.yml("ramenkan/photos.yml")
         self.dishes = self.util.yml("ramenkan/dishes.yml")
-        # Init irc object
+        # Init irc object and load config
         self.irc = IRC()
-        self.cfg = self.irc.config("ramenkan/config.yml")
+        self.cfg = self.irc.config("ramenkan/default.config.yml")
         # Init mastodon object
+        if "mastodon" in self.cfg:
             self.masto = Mastodon(
                 api_base_url=self.cfg["mastodon"]["base_url"],
                 access_token=self.cfg["mastodon"]["access_token"],
@@ -43,6 +44,7 @@ class Ramen:
         self.irc.listen(cxt, "rkveg", self.ramen_veggie)
         self.irc.listen(cxt, "rklink", self.link)
         self.irc.listen(cxt, "rkselfie", self.selfie)
+        if "mastodon" in self.cfg:
             self.irc.listen(cxt, "rktoot", self.toot)
             self.irc.listen(cxt, "rkvtoot", self.toot_veggie)
 

ramenkan/config.sample.yml

@@ -4,7 +4,7 @@ server:
   port: 6667
 
 channels:
-  - "#rktest"
+  - "#bots"
 
 bot_nick: "ramenkan"
 
@@ -18,3 +18,10 @@ req_prefix: "!"
 
 # Print messages to stdout
 debug: False
+
+# Mastodon account
+# mastodon:
+#   base_url: "https://example.com"
+#   access_token: ""
+#   client_secret: ""
+#   client_id: ""

ramenkan/misc.yml

@@ -1,7 +1,7 @@
 rollcall:
   "一、二、三、らーめん缶！
   Hello, I am a ramen vending machine. Please type a code for service:
-  !help !ramen !vramen !rklink !rkselfie !rktoot !rkvtoot
+  !help !ramen !vramen !rklink !rkselfie
   - Support: +81 012-700-1MIO  どうぞめしあがれ。"
 
 water: