[Datasources] Add: simple Google Analytics query runner

redash/query_runner/google_analytics.py

@@ -0,0 +1,112 @@
+from base64 import b64decode
+import json
+import logging
+from redash.query_runner import *
+from redash.utils import JSONEncoder
+from urlparse import urlparse, parse_qs
+from datetime import datetime
+logger = logging.getLogger(__name__)
+
+try:
+    import gspread
+    from oauth2client.client import SignedJwtAssertionCredentials
+    from apiclient.discovery import build
+    import httplib2
+    enabled = True
+except ImportError as e:
+    logger.info(str(e))
+    enabled = False
+
+
+def _load_key(filename):
+    with open(filename, "rb") as f:
+        return json.loads(f.read())
+
+
+types_conv = dict(
+    STRING=TYPE_STRING,
+    INTEGER=TYPE_INTEGER,
+    FLOAT=TYPE_FLOAT,
+    DATE=TYPE_DATE,
+    DATETIME=TYPE_DATETIME
+)
+
+
+class GoogleAnalytics(BaseQueryRunner):
+    @classmethod
+    def annotate_query(cls):
+        return False
+
+    @classmethod
+    def type(cls):
+        return "google_analytics"
+
+    @classmethod
+    def enabled(cls):
+        return enabled
+
+    @classmethod
+    def configuration_schema(cls):
+        return {
+            'type': 'object',
+            'properties': {
+                'jsonKeyFile': {
+                    "type": "string",
+                    'title': 'JSON Key File'
+                }
+            },
+            'required': ['jsonKeyFile'],
+            'secret': ['jsonKeyFile']
+        }
+
+    def __init__(self, configuration):
+        super(GoogleAnalytics, self).__init__(configuration)
+
+    def _get_analytics_service(self):
+        scope = ['https://www.googleapis.com/auth/analytics.readonly']
+        key = json.loads(b64decode(self.configuration['jsonKeyFile']))
+        credentials = SignedJwtAssertionCredentials(key['client_email'], key["private_key"], scope=scope)
+        return build('analytics', 'v3', http=credentials.authorize(httplib2.Http()))
+
+    def run_query(self, query, user):
+        logger.info("Analytics is about to execute query: %s", query)
+        params = parse_qs(urlparse(query).query, keep_blank_values=True)
+        for key in params.keys():
+            params[key] = ','.join(params[key])
+            if '-' in key:
+                params[key.replace('-', '_')] = params.pop(key)
+        if len(params) > 0:
+            response = self._get_analytics_service().data().ga().get(**params).execute()
+            columns = []
+            for h in response['columnHeaders']:
+                if h['name'] == 'ga:date':
+                    h['dataType'] = 'DATE'
+                elif h['name'] == 'ga:dateHour':
+                    h['dataType'] = 'DATETIME'
+                columns.append({
+                    'name': h['name'],
+                    'friendly_name': h['name'].split(':', 1)[1],
+                    'type': types_conv.get(h['dataType'], 'string')
+                })
+            rows = []
+            for r in response['rows']:
+                d = {}
+                for c, value in enumerate(r):
+                    column_name = response['columnHeaders'][c]['name']
+                    column_type = filter(lambda col: col['name'] == column_name, columns)[0]['type']
+                    if column_type == TYPE_DATE:
+                        value = datetime.strptime(value, '%Y%m%d')
+                    elif column_type == TYPE_DATETIME:
+                        if len(value) == 10:
+                            value = datetime.strptime(value, '%Y%m%d%H')
+                    d[column_name] = value
+                rows.append(d)
+            data = {'columns': columns, 'rows': rows}
+            error = None
+            json_data = json.dumps(data, cls=JSONEncoder)
+        else:
+            error = 'Wrong query format'
+            json_data = None
+        return json_data, error
+
+register(GoogleAnalytics)

redash/settings.py

@@ -173,7 +173,8 @@ def all_settings():
     'redash.query_runner.sqlite',
     'redash.query_runner.dynamodb_sql',
     'redash.query_runner.mssql',
-    'redash.query_runner.jql'
+    'redash.query_runner.jql',
+    'redash.query_runner.google_analytics'
 ]
 
 enabled_query_runners = array_from_string(os.environ.get("REDASH_ENABLED_QUERY_RUNNERS", ",".join(default_query_runners)))