fix #13 OK #1 DESC DOC OK

README.md

@@ -37,6 +37,16 @@ Changes the data provider
 >>> yql.use('http://myserver.com/mytables.xml') 
 ```
 
+- desc(tablename)
+-----------------
+ returns table description
+```python
+>>> response = yql.desc('weather.forecast')
+>>> response.json()
+{u'query': {u'count': 1, u'lang': u'en-US', u'results': {u'table': {u'request': {u'select': [{u'key': [{u'required': u'true', u'type': u'xs:string', u'name': u'location'}, {u'type': u'xs:string', u'name': u'u'}]}, {u'key': [{u'required': u'true', u'type': u'xs:string', u'name': u'woeid'}, {u'type': u'xs:string', u'name': u'u'}]}]}, u'security': u'ANY', u'meta': {u'documentationURL': u'http://developer.yahoo.com/weather/', u'sampleQuery': u'select * from weather.forecast where woeid=2502265', u'description': u'Weather forecast table', u'author': u'Yahoo! Inc'}, u'hash': u'aae78b1462a6a8fbc748aec4cf292767', u'name': u'weather.forecast'}}, u'created': u'2014-08-16T19:31:51Z'}}
+>>>
+```
+
 - rawQuery(query)
 -----------------
 

lokingyql/lokingyql.py

@@ -81,12 +81,29 @@ def buildSelectQuery(conditions):
   #
   #####################################################
 
+  ##USE
   def use(self, url):
     '''Changes the data provider
        >>> yql.use('http://myserver.com/mytables.xml')
     '''
     self.url = url
     return self.url
+
+  ##DESC
+  def desc(self, table=None):
+    '''Returns table description
+    >>> yql.desc('geo.countries')
+    >>>
+    '''
+    if not table:
+      query = "desc {0} ".format(self.table)
+
+    query = "desc {0}".format(table)
+    response = self.rawQuery(query)
+
+    return response
+
+
 
   ## SELECT
   def select(self, table=None, items=[]):