design_create: Preparse if string

This parses a design document string into JSON (if it's not already a
dict) and proceeds with normal handling. This lifts some restrictions
when the input is a string.

Change-Id: I5dbeb8d72756cf415f06ae178cf224f059f48118
Reviewed-on: http://review.couchbase.org/42365
Tested-by: Mark Nunberg <[email protected]>
Reviewed-by: Volker Mische <[email protected]>

Author: mnunberg

couchbase/bucketmanager.py

@@ -137,14 +137,12 @@ def design_create(self, name, ddoc, use_devmode=True, syncwait=0):
         name = self._cb._mk_devmode(name, use_devmode)
 
         fqname = "_design/{0}".format(name)
-        if isinstance(ddoc, dict):
-            ddoc = ddoc.copy()
-            ddoc['_id'] = fqname
-            ddoc = json.dumps(ddoc)
-        else:
-            if use_devmode:
-                raise ArgumentError.pyexc("devmode can only be used "
-                                          "with dict type design docs")
+        if not isinstance(ddoc, dict):
+            ddoc = json.loads(ddoc)
+
+        ddoc = ddoc.copy()
+        ddoc['_id'] = fqname
+        ddoc = json.dumps(ddoc)
 
         existing = None
         if syncwait: