Python transaction 模块，Transaction() 实例源码

def begin(self, request=None):
        """Return new request specific transaction

        :param request: current request

        """
        if request is None:
            request = get_current_request()

        user = get_authenticated_user_id(request)
        txn = getattr(request, '_txn', None)
        if txn is not None:
            txn.abort()
        txn = request._txn = transaction.Transaction(self._synchs, self)
        if user is not None:
            txn.user = user
        _new_transaction(txn, self._synchs)
        request._txn_time = time.time()

        return txn

    # with

def gettransactions():
    global privapi
    global transactions
    window.lsttransactions.delete(0, tk.END)
    debugout("Requesting Transaction History...")
    # The API Doesn't allow for Null type or "All" so we have to pull both dicts and combine them.
    txlist = privapi.gettransactions("Deposit")
    # After the first API call we'll check for an error string.
    if isinstance(txlist, str):
        debugout(txlist)
    else:
        txlist = txlist + privapi.gettransactions("Withdraw")
        itx = 0
        for tx in txlist:
            tid = tx["Id"]
            currency = tx["Currency"]
            txid = tx["TxId"]
            ttype = tx["Type"]
            amount = tx["Amount"]
            fee = tx["Fee"]
            status = tx["Status"]
            confirmations = tx["Confirmations"]
            timestamp = tx["Timestamp"]
            address = tx["Address"]
            tmptx = transaction.Transaction(tid, currency, txid, ttype, amount, fee, status, confirmations, timestamp,
                                            address)
            key = tmptx.tostring()
            transactions[key] = tmptx
            window.lsttransactions.insert(tk.END, key)
            itx = itx + 1
        debugout("Transaction History data received, " + str(itx) + " transactions found.")


# Cancel a single trade via it's OrderId

def __init__(self, filepath):
        with open(filepath, "r") as f:
            lines = []
            index_line = []
            count = 0
            for line in f:
                items = line.strip().split(",")
                if len(items) > 5:
                    if count > 0:
                        lines.append(items)
                    else:
                        index_line = items
                    count += 1
            for line in lines:
                transaction = Transaction()
                transaction.process_values(index_line, line)
                self.transactions.append(transaction)
            print("{0} records found!\n".format(count))
            f.close()

def __init__(self, filepath):
        with open(filepath, "r") as f:
            lines = []
            index_line = []
            count = 0
            for line in f:
                items = line.strip().split(",")
                if len(items) > 5:
                    if count > 0:
                        lines.append(items)
                    else:
                        index_line = items[2:]
                    count += 1
            for line in lines:
                transaction = Transaction()
                transaction.process_values(index_line, line[2:])
                cat = int(line[0])
                transaction.set_category(cat)
                if cat not in self.transactions:
                    self.transactions[cat] = [transaction]
                else:
                    self.transactions[cat].append(transaction)
            print("{0} records found!\n".format(count))
            f.close()

def select_user_and_add_transaction(self):
        self.prompt_user_selection().add_transaction(transaction.Transaction(input("Amount of transaction:")))

def select_user_and_add_transaction(self):
        """
        Select a user and add a transaction with custom amount.
        """
        def add_transaction(to_user):
            print("Amount of transaction:")
            amount = input()
            new_transaction = transaction.Transaction(amount)
            to_user.add_transaction(new_transaction)

        try:
            selected_user = self.prompt_user_selection()
            add_transaction(selected_user)
        except ValueError:
            print("No changes made.")

def select_user_and_add_transaction(self):
        """
        Select a user and add a transaction with custom amount.
        """
        self.prompt_user_selection().add_transaction(transaction.Transaction(input("Amount of transaction:")))

def get(self, request=None):
        """Return the current request specific transaction

        :param request: current request

        """
        if request is None:
            request = get_current_request()

        if getattr(request, '_txn', None) is None:
            request._txn = transaction.Transaction(self._synchs, self)
            request._txn_time = time.time()
        return request._txn

    # ITransactionManager