get rid of allowed_channels

conda/config.py

@@ -385,21 +385,6 @@ def url_channel(url):
         schannel = canonical_channel_name(channel)
     return channel, schannel
 
-# ----- allowed channels -----
-
-def get_allowed_channels():
-    if not isfile(sys_rc_path):
-        return None
-    if sys_rc.get('allow_other_channels', True):
-        return None
-    if 'channels' in sys_rc:
-        base_urls = ['system']
-    else:
-        base_urls = ['default']
-    return normalize_urls(base_urls)
-
-allowed_channels = get_allowed_channels()
-
 # ----- proxy -----
 
 def get_proxy_servers():

conda/fetch.py

@@ -20,7 +20,7 @@
 
 from .compat import itervalues, input, urllib_quote, iterkeys, iteritems
 from .config import (pkgs_dirs, DEFAULT_CHANNEL_ALIAS, remove_binstar_tokens,
-                     hide_binstar_tokens, allowed_channels, add_pip_as_python_dependency,
+                     hide_binstar_tokens, add_pip_as_python_dependency,
                      ssl_verify, rc, prioritize_channels, url_channel, offline_keep)
 from .connection import CondaSession, unparse_url, RETRIES, url_to_path
 from .exceptions import (ProxyError, ChannelNotAllowed, CondaRuntimeError, CondaSignatureError,
@@ -281,14 +281,6 @@ def fetch_index(channel_urls, use_cache=False, unknown=False, index=None):
     stdoutlog.info("Fetching package metadata ...")
     if not isinstance(channel_urls, dict):
         channel_urls = prioritize_channels(channel_urls)
-    for url in iterkeys(channel_urls):
-        if allowed_channels and url not in allowed_channels:
-            raise ChannelNotAllowed("""
-Error: URL '%s' not in allowed channels.
-
-Allowed channels are:
-  - %s
-""" % (url, '\n  - '.join(allowed_channels)))
 
     urls = tuple(filter(offline_keep, channel_urls))
     try: