Enable querying the version of CouchDB server

tammoippen · djc · commit 0d29eccd0d01 · 2017-04-25T11:05:16.000+02:00
diff --git a/couchdb/client.py b/couchdb/client.py
@@ -85,6 +85,7 @@ def __init__(self, url=DEFAULT_BASE_URL, full_commit=True, session=None):
             self.resource = url # treat as a Resource object
         if not full_commit:
             self.resource.headers['X-Couch-Full-Commit'] = 'false'
+        self._version_info = None
 
     def __contains__(self, name):
         """Return whether the server contains a database with the specified
@@ -166,6 +167,18 @@ def version(self):
         status, headers, data = self.resource.get_json()
         return data['version']
 
+    def version_info(self):
+        """The version of the CouchDB server as a tuple of ints.
+
+        Note that this results in a request being made only at the first call.
+        Afterwards the result will be cached.
+
+        :rtype: `tuple(int, int, int)`"""
+        if self._version_info is None:
+            version = self.version()
+            self._version_info = tuple(map(int, version.split('.')))
+        return self._version_info
+
     def stats(self, name=None):
         """Server statistics.
 
