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Python ConnectionPool.fetchall方法代碼示例

本文整理匯總了Python中twisted.enterprise.adbapi.ConnectionPool.fetchall方法的典型用法代碼示例。如果您正苦於以下問題:Python ConnectionPool.fetchall方法的具體用法?Python ConnectionPool.fetchall怎麽用?Python ConnectionPool.fetchall使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在twisted.enterprise.adbapi.ConnectionPool的用法示例。


在下文中一共展示了ConnectionPool.fetchall方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: __init__

# 需要導入模塊: from twisted.enterprise.adbapi import ConnectionPool [as 別名]
# 或者: from twisted.enterprise.adbapi.ConnectionPool import fetchall [as 別名]
class MDatabase:
    """
    Sqlite database for Marnatarlo
    """
    def __init__(self, dbname):
        self.dbname = dbname
        try:
            fh = open(dbname)
        except IOError as e:
            conn = sqlite3.connect(dbname)
            curs = conn.cursor()
            curs.execute("Create table users (name text unique, password text)")
            curs.execute("Create table stats(name text, played INTEGER, won INTEGER, FOREIGN KEY(name) REFERENCES users(name))")
            conn.commit()
            curs.close()
        self.__dbpool = ConnectionPool('sqlite3', self.dbname)

    def shutdown(self):
        """
            Shutdown function
            It's a required task to shutdown the database connection pool:
                garbage collector doesn't shutdown associated thread
        """
        self.__dbpool.close()

    def returnOk(self, o):
        return True

    def returnFailure(self, o):
        return False

    def returnResult(self, result):
        return result

    def _returnResult(self, deferred, count=None):
        if count:
            return self.__dbpool.fetchmany(count)
        else:
            return self.__dbpool.fetchall()

    def execSql(self, sql, params={}):
        """
        Exec an SQL command, return True or False
      
        @type sql C{str}
        @param sql SQL command
        """
        def run(sql, params):
            return self.__dbpool.runQuery(sql, params)
        d = run(sql, params)
        d.addCallback(self._returnResult)
        d.addErrback(self.returnFailure)
        d.addCallback(self.returnResult)
        return d

    def fetch(self, sql, params={}):
        """
          Exec an SQL command, fetching the rows resulting
      
          @type sql C{str}
          @param sql SQL command
        """
        def run(sql, params):
            return self.__dbpool.runQuery(sql, params)
        d = run(sql, params)
        d.addCallback(self.returnResult)
        d.addErrback(self.returnFailure)
        return d

    def get_stats(self, user):
        query = "SELECT * FROM stats WHERE name=?"
        return self.fetch(query, (user,))

    def user_won(self, user):
        query = "UPDATE stats SET won=won+1 WHERE name=?"
        return self.execSql(query, (user,))

    def user_play(self, user):
        query = "UPDATE stats SET played=played+1 WHERE name=?"
        return self.execSql(query, (user,))

    def save_user(self, user, passwd):
        """
        Save user / password into db
      
        @type user C{str}
        @type password C{str}
        """
        def insert_user(users, user, passwd):
            if len(users) > 0:
                return self.returnFailure(users)
            query = "INSERT INTO users(name, password) VALUES (?, ?)"
            self.execSql(query, (user, passwd,))
            query = "INSERT INTO stats(name, played, won) VALUES (?, 0,0)"
            return self.execSql(query, (user,))

        return self.get_user_login_info(user).addCallback(insert_user, user, passwd)

    def get_user_login_info(self, user):
        """
#.........這裏部分代碼省略.........
開發者ID:kronat,項目名稱:Marnatarlo,代碼行數:103,代碼來源:database.py


注:本文中的twisted.enterprise.adbapi.ConnectionPool.fetchall方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。