commands: refactor types

The type system was scattered over a number of places, making it hard to
follow. This collects all command types in types.py, and completion, validation
and parsing for each type is centralised. We should use the same mechanism for
options.

1 files changed, 4 insertions, 0 deletions

diff --git a/mitmproxy/exceptions.py b/mitmproxy/exceptions.py
index 71517480..d568898b 100644
--- a/mitmproxy/exceptions.py
+++ b/mitmproxy/exceptions.py
@@ -112,6 +112,10 @@ class AddonHalt(MitmproxyException):
     pass
 
 
+class TypeError(MitmproxyException):
+    pass
+
+
 """
     Net-layer exceptions
 """