* Readonly document view.

[redakcja.git] / lib / wlapi.py

diff --git a/lib/wlapi.py b/lib/wlapi.py
index 6f49dfe..3284211 100644 (file)
--- a/lib/wlapi.py
+++ b/lib/wlapi.py
@@ -1,3 +1,8 @@
+# -*- coding: utf-8 -*-
+#
+# This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
 """
    Abstraction over API for wolnelektury.pl
 """
@@ -7,64 +12,83 @@ import django.utils.simplejson as json
 import logging
 logger = logging.getLogger("fnp.lib.wlapi")
 
+
 class APICallException(Exception):
-    pass 
+
+    def __init__(self, cause=None):
+        super(Exception, self).__init__()
+        self.cause = cause
+
+    def __unicode__(self):
+        return u"%s, cause: %s" % (type(self).__name__, repr(self.cause))
+
+    def __str__(self):
+        return self.__unicode__().encode('utf-8')
+
 
 def api_call(path, format="json"):
     def wrapper(func):
-        
+
         @functools.wraps(func)
-        def wrapped(self, *args, **kwargs):            
+        def wrapped(self, *args, **kwargs):
             generator = func(self, *args, **kwargs)
-            
+
             data = generator.next()
-            
+
             # prepare request
             rq = urllib2.Request(self.base_url + path + ".json")
-            
+
             # will send POST when there is data, GET otherwise
             if data is not None:
-                rq.add_data(json.dumps(data))    
+                rq.add_data(json.dumps(data))
                 rq.add_header("Content-Type", "application/json")
-                            
+
             try:
                 anwser = json.load(self.opener.open(rq))
                 return generator.send(anwser)
             except StopIteration:
                 # by default, just return the anwser as a shorthand
-                return anwser                            
+                return anwser
             except urllib2.HTTPError, error:
-                return self._http_error(error)         
+                return self._http_error(error)
             except Exception, error:
-                return self._error(error)               
+                return self._error(error)
         return wrapped
-    
+
     return wrapper
-         
-    
+
 
 class WLAPI(object):
-    
-    def __init__(self, config_dict):        
+
+    def __init__(self, **config_dict):
         self.base_url = config_dict['URL']
         self.auth_realm = config_dict['AUTH_REALM']
-        self.auth_user = config_dict['AUTH_USER'] 
-        
-        auth_handler = urllib2.HTTPDigestAuthHandler();
-        auth_handler.add_password(
+        self.auth_user = config_dict['AUTH_USER']
+
+        digest_handler = urllib2.HTTPDigestAuthHandler()
+        digest_handler.add_password(
+                    realm=self.auth_realm, uri=self.base_url,
+                    user=self.auth_user, passwd=config_dict['AUTH_PASSWD'])
+
+        basic_handler = urllib2.HTTPBasicAuthHandler()
+        basic_handler.add_password(
                     realm=self.auth_realm, uri=self.base_url,
                     user=self.auth_user, passwd=config_dict['AUTH_PASSWD'])
-        
-        self.opener = urllib2.build_opener(auth_handler)
-        
+
+        self.opener = urllib2.build_opener(digest_handler, basic_handler)
+
     def _http_error(self, error):
-        return self._error()
-    
+        message = error.read()
+        logger.debug("HTTP ERROR: %s", message)
+        return self._error(message)
+
     def _error(self, error):
-        raise APICallException(cause = error) 
-        
+        raise APICallException(error)
+
+    @api_call("books")
+    def list_books(self):
+        yield
+
     @api_call("books")
     def publish_book(self, document):
-        yield {"text": document.text, "compressed": False} 
-        
-    
\ No newline at end of file
+        yield {"text": document.text, "compressed": False}