CQi updates

app/corpora/cqi/api/client.py

@@ -15,6 +15,8 @@ class APIClient:
     >>> client = cqi.APIClient('127.0.0.1')
     >>> client.ctrl_connect('user', 'password')
     {'code': 258, 'msg': 'CQI_STATUS_CONNECT_OK'}
+    >>> client.ctrl_ping()
+    {'code': 260, 'msg': 'CQI_STATUS_PING_OK'}
     >>> client.ctrl_bye()
     {'code': 259, 'msg': 'CQI_STATUS_BYE_OK'}
 

app/corpora/cqi/client.py

@@ -3,7 +3,31 @@ from .models.corpora import CorpusCollection
 
 
 class CQiClient:
+    """
+    A client for communicating with a CQi server.
+
+    Example:
+    >>> import cqi
+    >>> client = cqi.CQiClient('127.0.0.1')
+    >>> client.connect()
+    {'code': 258, 'msg': 'CQI_STATUS_CONNECT_OK'}
+    >>> client.ping()
+    {'code': 260, 'msg': 'CQI_STATUS_PING_OK'}
+    >>> client.disconnect()
+    {'code': 259, 'msg': 'CQI_STATUS_BYE_OK'}
+    Attributes:
+    api (APIClient): A client pointing to the specified to the CQP server.
+    """
+
     def __init__(self, host, port=4877):
+        """
+        CQiClient constructor
+
+        Args:
+        host (str): URL to the CQP server. For example,
+            ``cqpserver.localhost`` or ``127.0.0.1``.
+        port (int): Port the CQP server listens on. Default: ``4877``
+        """
         self.api = APIClient(host, port=port)
 
     def connect(self, username='anonymous', password=''):
@@ -14,3 +38,6 @@ class CQiClient:
     def disconnect(self):
         del self.corpora
         return self.api.ctrl_bye()
+
+    def ping(self):
+        return self.api.ctrl_ping()

app/corpora/cqi/models/attributes.py

@@ -8,6 +8,18 @@ class AttributeCollection:
 
 
 class Attribute:
+    """
+    This is a class representing an attribute. Attributes denote the general
+    category of information. A specific occurence is identified by an Id.
+
+    Attributes:
+    client (CQiClient): A connected client pointing at the server that this
+        object is on.
+    corpus (Corpus): The corpus, this attribute belongs to.
+    name (str): The name of the Attribute.
+    size (int): The number of occurences of this attribute within the corpus.
+    """
+
     def __init__(self, client, corpus, name):
         self.client = client
         self.corpus = corpus