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Diffstat (limited to 'wqflask/db/call.py')
-rw-r--r-- | wqflask/db/call.py | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/wqflask/db/call.py b/wqflask/db/call.py new file mode 100644 index 00000000..194a7650 --- /dev/null +++ b/wqflask/db/call.py @@ -0,0 +1,62 @@ +# Module for calling the backend + +from flask import g + +import string +import urllib2 +import json +from utility.tools import USE_GN_SERVER, LOG_SQL, GN_SERVER_URL +from utility.benchmark import Bench + +from utility.logger import getLogger +logger = getLogger(__name__ ) + +# from inspect import stack + +def fetch1(query, path=None, func=None): + """Fetch one result using either a SQL query or the URI path to +GN_SERVER (when USE_GN_SERVER is True). Apply func to GN_SERVER result +when set. + + """ + if USE_GN_SERVER and path: + result = gn_server(path) + if func != None: + return [func(result)] + else: + return [result] + else: + return fetchone(query) + +def fetchone(query): + """Return tuple containing one row by calling SQL directly (the +original fetchone, but with logging) + + """ + with Bench("SQL",LOG_SQL): + def helper(query): + res = g.db.execute(query) + return res.fetchone() + return logger.sql(query, helper) + +def fetchall(query): + """Return row iterator by calling SQL directly (the +original fetchall, but with logging) + + """ + with Bench("SQL",LOG_SQL): + def helper(query): + res = g.db.execute(query) + return res.fetchall() + return logger.sql(query, helper) + +def gn_server(path): + """Return JSON record by calling GN_SERVER + + """ + with Bench("GN_SERVER",LOG_SQL): + res = urllib2.urlopen(GN_SERVER_URL+path) + rest = res.read() + res2 = json.loads(rest) + logger.debug(res2) + return res2 |