From 01a449b5cb1106a867a6b73cd4877e9b2ec68171 Mon Sep 17 00:00:00 2001
From: Aldo Cortesi <aldo@nullcube.com>
Date: Thu, 20 Oct 2016 11:27:05 +1300
Subject: netlib.exceptions.* -> mitmproxy.exceptions

---
 mitmproxy/exceptions.py | 62 ++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 61 insertions(+), 1 deletion(-)

(limited to 'mitmproxy/exceptions.py')

diff --git a/mitmproxy/exceptions.py b/mitmproxy/exceptions.py
index 64cc457a..82022d31 100644
--- a/mitmproxy/exceptions.py
+++ b/mitmproxy/exceptions.py
@@ -1,7 +1,10 @@
 """
 We try to be very hygienic regarding the exceptions we throw:
-Every Exception mitmproxy raises shall be a subclass of ProxyException.
 
+- Every exception that might be externally visible to users shall be a subclass
+  of ProxyException.p
+- Every exception in the base net module shall be a subclass
+  of NetlibException, and will not be propagated directly to users.
 
 See also: http://lucumr.pocoo.org/2014/10/16/on-error-handling/
 """
@@ -100,3 +103,60 @@ class AddonError(Exception):
 
 class AddonHalt(Exception):
     pass
+
+
+"""
+    Every net Exception raised shall be a subclass of NetlibException.
+"""
+
+
+class NetlibException(Exception):
+    """
+    Base class for all exceptions thrown by netlib.
+    """
+    def __init__(self, message=None):
+        super().__init__(message)
+
+
+class Disconnect:
+    """Immediate EOF"""
+
+
+class HttpException(NetlibException):
+    pass
+
+
+class HttpReadDisconnect(HttpException, Disconnect):
+    pass
+
+
+class HttpSyntaxException(HttpException):
+    pass
+
+
+class TcpException(NetlibException):
+    pass
+
+
+class TcpDisconnect(TcpException, Disconnect):
+    pass
+
+
+class TcpReadIncomplete(TcpException):
+    pass
+
+
+class TcpTimeout(TcpException):
+    pass
+
+
+class TlsException(NetlibException):
+    pass
+
+
+class InvalidCertificateException(TlsException):
+    pass
+
+
+class Timeout(TcpException):
+    pass
-- 
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