Exemple #1
0
    def run(self):
        sess = None
        try:
            sess = Session()
            batch = Batch.get_by_id(sess, self.batch_id)

            bill_types = keydefaultdict(
                lambda k: BillType.get_by_code(sess, k))

            tprs = keydefaultdict(lambda k: None
                                  if k is None else Tpr.get_by_code(sess, k))

            read_types = keydefaultdict(
                lambda k: ReadType.get_by_code(sess, k))

            for bf in (sess.query(BatchFile).filter(
                    BatchFile.batch == batch).order_by(
                        BatchFile.upload_timestamp)):

                self.parser = _process_batch_file(sess, bf, self._log)
                for self.bill_num, raw_bill in enumerate(
                        self.parser.make_raw_bills()):

                    if "error" in raw_bill:
                        self.failed_bills.append(raw_bill)
                    else:
                        try:
                            mpan_core = raw_bill["mpan_core"]
                            supply = Supply.get_by_mpan_core(sess, mpan_core)
                            with sess.begin_nested():
                                bill = batch.insert_bill(
                                    sess,
                                    raw_bill["account"],
                                    raw_bill["reference"],
                                    raw_bill["issue_date"],
                                    raw_bill["start_date"],
                                    raw_bill["finish_date"],
                                    raw_bill["kwh"],
                                    raw_bill["net"],
                                    raw_bill["vat"],
                                    raw_bill["gross"],
                                    bill_types[raw_bill["bill_type_code"]],
                                    raw_bill["breakdown"],
                                    supply,
                                )
                                for raw_read in raw_bill["reads"]:
                                    bill.insert_read(
                                        sess,
                                        tprs[raw_read["tpr_code"]],
                                        raw_read["coefficient"],
                                        raw_read["units"],
                                        raw_read["msn"],
                                        raw_read["mpan"],
                                        raw_read["prev_date"],
                                        raw_read["prev_value"],
                                        read_types[raw_read["prev_type_code"]],
                                        raw_read["pres_date"],
                                        raw_read["pres_value"],
                                        read_types[raw_read["pres_type_code"]],
                                    )
                                self.successful_bills.append(raw_bill)
                        except KeyError as e:
                            err = raw_bill.get("error", "")
                            raw_bill["error"] = err + " " + str(e)
                            self.failed_bills.append(raw_bill)
                        except BadRequest as e:
                            raw_bill["error"] = str(e.description)
                            self.failed_bills.append(raw_bill)

            if len(self.failed_bills) == 0:
                sess.commit()
                self._log(
                    "All the bills have been successfully loaded and attached "
                    "to the batch.")
            else:
                sess.rollback()
                self._log(f"The import has finished, but there were "
                          f"{len(self.failed_bills)} failures, and so the "
                          f"whole import has been rolled back.")

        except BadRequest as e:
            sess.rollback()
            self._log(f"Problem: {e.description}")
        except BaseException:
            sess.rollback()
            self._log(f"I've encountered a problem: {traceback.format_exc()}")
        finally:
            if sess is not None:
                sess.close()
Exemple #2
0
    def run(self):
        sess = None
        try:
            sess = Session()
            self._log("Starting to parse the file with '" + self.parser_name +
                      "'.")

            bill_types = keydefaultdict(
                lambda k: BillType.get_by_code(sess, k))

            tprs = keydefaultdict(lambda k: None
                                  if k is None else Tpr.get_by_code(sess, k))

            read_types = keydefaultdict(
                lambda k: ReadType.get_by_code(sess, k))

            batch = Batch.get_by_id(sess, self.batch_id)
            contract = batch.contract
            raw_bills = self.parser.make_raw_bills()
            self._log("Successfully parsed the file, and now I'm starting to "
                      "insert the raw bills.")
            for self.bill_num, raw_bill in enumerate(raw_bills):
                try:
                    account = raw_bill['account']
                    supply = sess.query(Supply).join(Era).filter(
                        or_(
                            and_(Era.imp_supplier_contract == contract,
                                 Era.imp_supplier_account == account),
                            and_(Era.exp_supplier_contract == contract,
                                 Era.exp_supplier_account == account),
                            and_(Era.mop_contract == contract,
                                 Era.mop_account == account),
                            and_(Era.dc_contract == contract, Era.dc_account ==
                                 account))).distinct().order_by(
                                     Supply.id).first()

                    if supply is None:
                        raise BadRequest("Can't find an era with contract '" +
                                         contract.name + "' and account '" +
                                         account + "'.")
                    with sess.begin_nested():
                        bill = batch.insert_bill(
                            sess, account, raw_bill['reference'],
                            raw_bill['issue_date'], raw_bill['start_date'],
                            raw_bill['finish_date'], raw_bill['kwh'],
                            raw_bill['net'], raw_bill['vat'],
                            raw_bill['gross'],
                            bill_types[raw_bill['bill_type_code']],
                            raw_bill['breakdown'], supply)
                        for raw_read in raw_bill['reads']:
                            bill.insert_read(
                                sess, tprs[raw_read['tpr_code']],
                                raw_read['coefficient'], raw_read['units'],
                                raw_read['msn'], raw_read['mpan'],
                                raw_read['prev_date'], raw_read['prev_value'],
                                read_types[raw_read['prev_type_code']],
                                raw_read['pres_date'], raw_read['pres_value'],
                                read_types[raw_read['pres_type_code']])
                        self.successful_bills.append(raw_bill)
                except BadRequest as e:
                    raw_bill['error'] = str(e.description)
                    self.failed_bills.append(raw_bill)

            if len(self.failed_bills) == 0:
                sess.commit()
                self._log(
                    "All the bills have been successfully loaded and attached "
                    "to the batch.")
            else:
                sess.rollback()
                self._log("The import has finished, but there were " +
                          str(len(self.failed_bills)) +
                          " failures, and so the "
                          "whole import has been rolled back.")

        except BadRequest as e:
            sess.rollback()
            self._log("Problem: " + e.description)
        except BaseException:
            sess.rollback()
            self._log("I've encountered a problem: " + traceback.format_exc())
        finally:
            if sess is not None:
                sess.close()
Exemple #3
0
    def run(self):
        sess = None
        try:
            sess = Session()
            self._log(
                "Starting to parse the file with '" + self.parser_name + "'.")
            set_read_write(sess)
            batch = Batch.get_by_id(sess, self.batch_id)
            raw_bills = self.parser.make_raw_bills()
            self._log(
                "Successfully parsed the file, and now I'm starting to "
                "insert the raw bills.")
            for self.bill_num, raw_bill in enumerate(raw_bills):
                try:
                    with sess.begin_nested():
                        sess.execute(
                            "set transaction isolation level serializable "
                            "read write")
                        bill_type = BillType.get_by_code(
                            sess, raw_bill['bill_type_code'])
                        bill = batch.insert_bill(
                            sess, raw_bill['account'], raw_bill['reference'],
                            raw_bill['issue_date'], raw_bill['start_date'],
                            raw_bill['finish_date'], raw_bill['kwh'],
                            raw_bill['net'], raw_bill['vat'],
                            raw_bill['gross'],
                            bill_type, raw_bill['breakdown'])
                        sess.flush()
                        for raw_read in raw_bill['reads']:
                            tpr_code = raw_read['tpr_code']
                            if tpr_code is None:
                                tpr = None
                            else:
                                tpr = Tpr.get_by_code(sess, tpr_code)

                            prev_type = ReadType.get_by_code(
                                sess, raw_read['prev_type_code'])
                            pres_type = ReadType.get_by_code(
                                sess, raw_read['pres_type_code'])
                            bill.insert_read(
                                sess, tpr, raw_read['coefficient'],
                                raw_read['units'], raw_read['msn'],
                                raw_read['mpan'], raw_read['prev_date'],
                                raw_read['prev_value'], prev_type,
                                raw_read['pres_date'], raw_read['pres_value'],
                                pres_type)
                        self.successful_bills.append(raw_bill)
                except BadRequest as e:
                    raw_bill['error'] = str(e.description)
                    self.failed_bills.append(raw_bill)

            if len(self.failed_bills) == 0:
                sess.commit()
                self._log(
                    "All the bills have been successfully loaded and attached "
                    "to the batch.")
            else:
                sess.rollback()
                self._log(
                    "The import has finished, but there were " +
                    str(len(self.failed_bills)) + " failures, and so the "
                    "whole import has been rolled back.")

        except:
            sess.rollback()
            self._log("I've encountered a problem: " + traceback.format_exc())
        finally:
            if sess is not None:
                sess.close()
Exemple #4
0
    def run(self):
        sess = None
        try:
            sess = Session()
            self._log(
                "Starting to parse the file with '" + self.parser_name + "'.")

            bill_types = keydefaultdict(
                lambda k: BillType.get_by_code(sess, k))

            tprs = keydefaultdict(
                lambda k: None if k is None else Tpr.get_by_code(sess, k))

            read_types = keydefaultdict(
                lambda k: ReadType.get_by_code(sess, k))

            batch = Batch.get_by_id(sess, self.batch_id)
            contract = batch.contract
            raw_bills = self.parser.make_raw_bills()
            self._log(
                "Successfully parsed the file, and now I'm starting to "
                "insert the raw bills.")
            for self.bill_num, raw_bill in enumerate(raw_bills):
                try:
                    account = raw_bill['account']
                    supply = sess.query(Supply).join(Era).filter(
                        or_(
                            and_(
                                Era.imp_supplier_contract == contract,
                                Era.imp_supplier_account == account),
                            and_(
                                Era.exp_supplier_contract == contract,
                                Era.exp_supplier_account == account),
                            and_(
                                Era.mop_contract == contract,
                                Era.mop_account == account),
                            and_(
                                Era.hhdc_contract == contract,
                                Era.hhdc_account == account))
                        ).distinct().order_by(Supply.id).first()

                    if supply is None:
                        raise BadRequest(
                            "Can't find an era with contract '" +
                            contract.name + "' and account '" + account + "'.")
                    with sess.begin_nested():
                        bill = batch.insert_bill(
                            sess, account, raw_bill['reference'],
                            raw_bill['issue_date'], raw_bill['start_date'],
                            raw_bill['finish_date'], raw_bill['kwh'],
                            raw_bill['net'], raw_bill['vat'],
                            raw_bill['gross'],
                            bill_types[raw_bill['bill_type_code']],
                            raw_bill['breakdown'], supply)
                        for raw_read in raw_bill['reads']:
                            bill.insert_read(
                                sess, tprs[raw_read['tpr_code']],
                                raw_read['coefficient'], raw_read['units'],
                                raw_read['msn'], raw_read['mpan'],
                                raw_read['prev_date'], raw_read['prev_value'],
                                read_types[raw_read['prev_type_code']],
                                raw_read['pres_date'], raw_read['pres_value'],
                                read_types[raw_read['pres_type_code']])
                        self.successful_bills.append(raw_bill)
                except BadRequest as e:
                    raw_bill['error'] = str(e.description)
                    self.failed_bills.append(raw_bill)

            if len(self.failed_bills) == 0:
                sess.commit()
                self._log(
                    "All the bills have been successfully loaded and attached "
                    "to the batch.")
            else:
                sess.rollback()
                self._log(
                    "The import has finished, but there were " +
                    str(len(self.failed_bills)) + " failures, and so the "
                    "whole import has been rolled back.")

        except:
            sess.rollback()
            self._log("I've encountered a problem: " + traceback.format_exc())
        finally:
            if sess is not None:
                sess.close()