pretty print result in <result> <report> command

Change-Id: Iac60f81b864c3cbc3cb692f557182c3e91fa4277

requirements.txt

@@ -4,3 +4,4 @@ python-novaclient
 sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
 psutil>=1.1.1,<2.0.0
 tooz>=1.19.0 # Apache-2.0
+PrettyTable>=0.7,<0.8

scalpels/cli/actions/report.py

@@ -3,6 +3,14 @@
 # Author: Kun Huang <academicgareth@gmail.com>
 
 from scalpels.db import api as db_api
+from prettytable import PrettyTable
+
+
+def pprint_result(result):
+    t = PrettyTable(["timestamp", "%s(%s)" % (result.name, result.unit)])
+    for data in result.data:
+        t.add_row([data[0], data[1][:100]])
+    print t
 
 LOWEST=8
 
@@ -29,8 +37,6 @@ def run(config):
 
     print "command report: %s" % config
     print "task: <%s>" % task.uuid
-    results = []
     for ret_uuid in task.results:
         ret = db_api.result_get(ret_uuid)
-        results.append(ret.data)
-        print "result <%s>, data: %s, unit: %s, name: %s" % (ret.uuid, ret.data, ret.unit, ret.name)
+        pprint_result(ret)

scalpels/cli/actions/result.py

@@ -3,9 +3,10 @@
 # Author: Kun Huang <academicgareth@gmail.com>
 
 from scalpels.db import api as db_api
+from scalpels.cli.actions import report
 
 def run(config):
     if config.get("list"):
         rets = db_api.get_all_results()
         for ret in rets:
-            print ret.uuid, ret.data
+            report.pprint_result(ret)