From: CMDR furrycat <elite@furrycat.net>
Date: Thu, 10 Nov 2016 08:27:21 +0000 (+0000)
Subject: ArgumentParser which throws an exception instead of print errors.
X-Git-Url: http://git.furryclan.net/?a=commitdiff_plain;h=eed2fa24c6bfed950b7efefc0ef9249b95a40e05;p=furrycat%2Fcatbot.git

ArgumentParser which throws an exception instead of print errors.
---

diff --git a/bot.py b/bot.py
index 7544d83..835bed4 100644
--- a/bot.py
+++ b/bot.py
@@ -463,3 +463,8 @@ def iso8601(timestamp):
 
 def digest(text):
   return hashlib.sha224(text.encode('utf-8')).hexdigest()
+
+@asyncio.coroutine
+def say_exception(destination, exception):
+  result = yield from say_many(destination, ['```py', str(exception), '```'])
+  return result
diff --git a/throwingargparse.py b/throwingargparse.py
new file mode 100644
index 0000000..8ef63c5
--- /dev/null
+++ b/throwingargparse.py
@@ -0,0 +1,8 @@
+import argparse
+
+class ArgumentParserError(Exception):
+  pass
+
+class ThrowingArgumentParser(argparse.ArgumentParser):
+  def error(self, message):
+    raise ArgumentParserError(message)