272 řádky
12 KiB
Python
272 řádky
12 KiB
Python
"""
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mbed SDK
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Copyright (c) 2011-2014 ARM Limited
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Author: Przemyslaw Wirkus <Przemyslaw.Wirkus@arm.com>
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"""
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import re
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import MySQLdb as mdb
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# Imports from TEST API
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from workspace_tools.test_db import BaseDBAccess
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class MySQLDBAccess(BaseDBAccess):
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""" Wrapper for MySQL DB access for common test suite interface
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"""
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def __init__(self):
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BaseDBAccess.__init__(self)
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self.DB_TYPE = 'mysql'
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def detect_database(self, verbose=False):
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""" detect database and return VERION data structure or string (verbose=True)
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"""
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query = 'SHOW VARIABLES LIKE "%version%"'
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rows = self.select_all(query)
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if verbose:
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result = []
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for row in rows:
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result.append("\t%s: %s"% (row['Variable_name'], row['Value']))
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result = "\n".join(result)
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else:
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result = rows
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return result
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def parse_db_connection_string(self, str):
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""" Parsing SQL DB connection string. String should contain:
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- DB Name, user name, password, URL (DB host), name
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Function should return tuple with parsed (host, user, passwd, db) or None if error
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E.g. connection string: 'mysql://username:password@127.0.0.1/db_name'
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"""
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result = BaseDBAccess().parse_db_connection_string(str)
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if result is not None:
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(db_type, username, password, host, db_name) = result
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if db_type != 'mysql':
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result = None
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return result
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def is_connected(self):
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""" Returns True if we are connected to database
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"""
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return self.db_object is not None
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def connect(self, host, user, passwd, db):
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""" Connects to DB and returns DB object
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"""
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try:
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self.db_object = mdb.connect(host=host, user=user, passwd=passwd, db=db)
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# Let's remember connection credentials
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self.db_type = self.DB_TYPE
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self.host = host
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self.user = user
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self.passwd = passwd
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self.db = db
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except mdb.Error, e:
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print "Error %d: %s"% (e.args[0], e.args[1])
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self.db_object = None
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self.db_type = None
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self.host = None
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self.user = None
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self.passwd = None
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self.db = None
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def connect_url(self, db_url):
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""" Connects to database using db_url (database url parsing),
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store host, username, password, db_name
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"""
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result = self.parse_db_connection_string(db_url)
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if result is not None:
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(db_type, username, password, host, db_name) = result
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if db_type == self.DB_TYPE:
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self.connect(host, username, password, db_name)
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def reconnect(self):
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""" Reconnects to DB and returns DB object using stored host name,
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database name and credentials (user name and password)
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"""
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self.connect(self.host, self.user, self.passwd, self.db)
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def disconnect(self):
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""" Close DB connection
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"""
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if self.db_object:
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self.db_object.close()
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self.db_object = None
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self.db_type = None
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def escape_string(self, str):
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""" Escapes string so it can be put in SQL query between quotes
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"""
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con = self.db_object
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result = con.escape_string(str)
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return result if result else ''
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def select_all(self, query):
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""" Execute SELECT query and get all results
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"""
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con = self.db_object
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cur = con.cursor(mdb.cursors.DictCursor)
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cur.execute(query)
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rows = cur.fetchall()
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return rows
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def insert(self, query, commit=True):
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""" Execute INSERT query, define if you want to commit
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"""
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con = self.db_object
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cur = con.cursor()
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cur.execute(query)
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if commit:
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con.commit()
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return cur.lastrowid
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def get_next_build_id(self, name, desc='', location='', type=None, status=None):
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""" Insert new build_id (DB unique build like ID number to send all test results)
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"""
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if status is None:
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status = self.BUILD_ID_STATUS_STARTED
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if type is None:
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type = self.BUILD_ID_TYPE_TEST
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query = """INSERT INTO `%s` (%s_name, %s_desc, %s_location, %s_type_fk, %s_status_fk)
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VALUES ('%s', '%s', '%s', %d, %d)"""% (self.TABLE_BUILD_ID,
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self.TABLE_BUILD_ID,
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self.TABLE_BUILD_ID,
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self.TABLE_BUILD_ID,
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self.TABLE_BUILD_ID,
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self.TABLE_BUILD_ID,
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self.escape_string(name),
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self.escape_string(desc),
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self.escape_string(location),
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type,
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status)
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index = self.insert(query) # Provide inserted record PK
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return index
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def get_table_entry_pk(self, table, column, value, update_db=True):
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""" Checks for entries in tables with two columns (<TABLE_NAME>_pk, <column>)
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If update_db is True updates table entry if value in specified column doesn't exist
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"""
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# TODO: table buffering
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result = None
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table_pk = '%s_pk'% table
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query = """SELECT `%s`
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FROM `%s`
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WHERE `%s`='%s'"""% (table_pk,
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table,
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column,
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self.escape_string(value))
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rows = self.select_all(query)
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if len(rows) == 1:
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result = rows[0][table_pk]
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elif len(rows) == 0 and update_db:
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# Update DB with new value
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result = self.update_table_entry(table, column, value)
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return result
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def update_table_entry(self, table, column, value):
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""" Updates table entry if value in specified column doesn't exist
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Locks table to perform atomic read + update
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"""
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result = None
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con = self.db_object
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cur = con.cursor()
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cur.execute("LOCK TABLES `%s` WRITE"% table)
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table_pk = '%s_pk'% table
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query = """SELECT `%s`
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FROM `%s`
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WHERE `%s`='%s'"""% (table_pk,
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table,
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column,
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self.escape_string(value))
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cur.execute(query)
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rows = cur.fetchall()
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if len(rows) == 0:
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query = """INSERT INTO `%s` (%s)
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VALUES ('%s')"""% (table,
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column,
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self.escape_string(value))
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cur.execute(query)
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result = cur.lastrowid
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con.commit()
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cur.execute("UNLOCK TABLES")
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return result
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def update_build_id_info(self, build_id, **kw):
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""" Update additional data inside build_id table
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Examples:
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db.update_build_id_info(build_id, _status_fk=self.BUILD_ID_STATUS_COMPLETED, _shuffle_seed=0.0123456789):
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"""
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if len(kw):
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con = self.db_object
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cur = con.cursor()
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# Prepare UPDATE query
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# ["`mtest_build_id_pk`=[value-1]", "`mtest_build_id_name`=[value-2]", "`mtest_build_id_desc`=[value-3]"]
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set_list = []
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for col_sufix in kw:
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assign_str = "`%s%s`='%s'"% (self.TABLE_BUILD_ID, col_sufix, self.escape_string(str(kw[col_sufix])))
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set_list.append(assign_str)
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set_str = ', '.join(set_list)
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query = """UPDATE `%s`
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SET %s
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WHERE `mtest_build_id_pk`=%d"""% (self.TABLE_BUILD_ID,
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set_str,
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build_id)
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cur.execute(query)
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con.commit()
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def insert_test_entry(self, build_id, target, toolchain, test_type, test_id, test_result, test_output, test_time, test_timeout, test_loop, test_extra=''):
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""" Inserts test result entry to database. All checks regarding existing
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toolchain names in DB are performed.
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If some data is missing DB will be updated
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"""
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# Get all table FK and if entry is new try to insert new value
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target_fk = self.get_table_entry_pk(self.TABLE_TARGET, self.TABLE_TARGET + '_name', target)
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toolchain_fk = self.get_table_entry_pk(self.TABLE_TOOLCHAIN, self.TABLE_TOOLCHAIN + '_name', toolchain)
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test_type_fk = self.get_table_entry_pk(self.TABLE_TEST_TYPE, self.TABLE_TEST_TYPE + '_name', test_type)
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test_id_fk = self.get_table_entry_pk(self.TABLE_TEST_ID, self.TABLE_TEST_ID + '_name', test_id)
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test_result_fk = self.get_table_entry_pk(self.TABLE_TEST_RESULT, self.TABLE_TEST_RESULT + '_name', test_result)
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con = self.db_object
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cur = con.cursor()
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query = """ INSERT INTO `%s` (`mtest_build_id_fk`,
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`mtest_target_fk`,
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`mtest_toolchain_fk`,
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`mtest_test_type_fk`,
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`mtest_test_id_fk`,
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`mtest_test_result_fk`,
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`mtest_test_output`,
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`mtest_test_time`,
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`mtest_test_timeout`,
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`mtest_test_loop_no`,
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`mtest_test_result_extra`)
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VALUES (%d, %d, %d, %d, %d, %d, '%s', %.2f, %.2f, %d, '%s')"""% (self.TABLE_TEST_ENTRY,
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build_id,
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target_fk,
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toolchain_fk,
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test_type_fk,
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test_id_fk,
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test_result_fk,
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self.escape_string(test_output),
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test_time,
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test_timeout,
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test_loop,
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self.escape_string(test_extra))
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cur.execute(query)
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con.commit()
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