First set of fixes for uri module to work with py3.

This fix handles changes in the response headers (no longer all
lowercased) and switches from unicode() to to_text().

lib/ansible/modules/network/basics/uri.py

@@ -20,19 +20,6 @@
 #
 # see examples/playbooks/uri.yml
 
-import cgi
-import shutil
-import tempfile
-import datetime
-
-try:
-    import json
-except ImportError:
-    import simplejson as json
-
-import ansible.module_utils.six as six
-
-
 DOCUMENTATION = '''
 ---
 module: uri
@@ -216,6 +203,23 @@ EXAMPLES = '''
 
 '''
 
+import cgi
+import datetime
+import os
+import shutil
+import tempfile
+
+try:
+    import json
+except ImportError:
+    import simplejson as json
+
+from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils.pycompat24 import get_exception
+import ansible.module_utils.six as six
+from ansible.module_utils._text import to_text
+from ansible.module_utils.urls import fetch_url, url_argument_spec
+
 
 def write_file(module, url, dest, content):
     # create a tempfile with some test content
@@ -445,11 +449,17 @@ def main():
 
     # Default content_encoding to try
     content_encoding = 'utf-8'
-    if 'content_type' in uresp:
-        content_type, params = cgi.parse_header(uresp['content_type'])
+    content_type_key = None
+    for key in uresp:
+        # Py2: content_type; Py3: Content_type
+        if 'content_type' == key.lower():
+            content_type_key = key
+            break
+    if content_type_key is not None:
+        content_type, params = cgi.parse_header(uresp[content_type_key])
         if 'charset' in params:
             content_encoding = params['charset']
-        u_content = unicode(content, content_encoding, errors='replace')
+        u_content = to_text(content, encoding=content_encoding)
         if 'application/json' in content_type or 'text/json' in content_type:
             try:
                 js = json.loads(u_content)
@@ -457,7 +467,7 @@ def main():
             except:
                 pass
     else:
-        u_content = unicode(content, content_encoding, errors='replace')
+        u_content = to_text(content, encoding=content_encoding)
 
     if resp['status'] not in status_code:
         uresp['msg'] = 'Status code was not %s: %s' % (status_code, uresp.get('msg', ''))
@@ -468,9 +478,5 @@ def main():
         module.exit_json(changed=changed, **uresp)
 
 
-# import module snippets
-from ansible.module_utils.basic import *
-from ansible.module_utils.urls import *
-
 if __name__ == '__main__':
     main()