From: Guido van Rossum <guido@python.org>
Date: Tue, 18 Nov 1997 15:50:39 +0000 (+0000)
Subject: Assert that the proxies object passed in to the URLopener constructor
X-Git-Tag: v1.5b1~88
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=83600050d0aacd17e10f426881394237aca79f8e;p=python

Assert that the proxies object passed in to the URLopener constructor
is indeed a dictionary (or a mapping).
---

diff --git a/Lib/urllib.py b/Lib/urllib.py
index a818adfd58..02edb3b265 100644
--- a/Lib/urllib.py
+++ b/Lib/urllib.py
@@ -87,6 +87,7 @@ class URLopener:
 	def __init__(self, proxies=None):
 		if proxies is None:
 			proxies = getproxies()
+		assert hasattr(proxies, 'has_key'), "proxies must be a mapping"
 		self.proxies = proxies
 		server_version = "Python-urllib/%s" % __version__
 		self.addheaders = [('User-agent', server_version)]