Merge pull request #64 in TPSH/ckanext-odsh from experimental-linked-resources-as-uploads to dev

* commit '45cb3ada':
  clears proxy after download

ckanext/odsh/logic/action.py

@@ -14,8 +14,7 @@ import urllib2
 import logging
 log = logging.getLogger(__name__)
 
-from ckanext.odsh.setup_proxy import setup_proxy
-setup_proxy()
+from ckanext.odsh.setup_proxy import setup_proxy, clear_proxy
 
 
 def odsh_package_create(context, data_dict):
@@ -119,7 +118,9 @@ TMP_FILE_PATH = '/tmp/temp_file_upload'
 
 def _download_linked_resource_to_tmp(url):
     log.debug('Downloading linked resource from {}.'.format(url))
+    setup_proxy()
     test_file = urllib2.urlopen(url).read()
+    clear_proxy()
     with open(TMP_FILE_PATH, 'wb') as temporary_file:
         temporary_file.write(test_file)
 

ckanext/odsh/setup_proxy.py

@@ -17,3 +17,8 @@ def setup_proxy():
         proxy = urllib2.ProxyHandler({'http': proxy_url, 'https': proxy_url})
         opener = urllib2.build_opener(proxy)
         urllib2.install_opener(opener)
+
+def clear_proxy():
+    proxy = urllib2.ProxyHandler({})
+    opener = urllib2.build_opener(proxy)
+    urllib2.install_opener(opener)
\ No newline at end of file