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@ -15,12 +15,27 @@ from openerp.addons.account_bank_statement_import.parserlib import ( |
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from openerp import models |
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_logger = logging.getLogger(__name__) |
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class CamtParser(models.AbstractModel): |
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_name = 'account.bank.statement.import.camt.parser' |
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"""Parser for camt bank statement import files.""" |
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_name = 'account.bank.statement.import.camt.parser' |
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def __init__(self): |
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"""Define and initialize attributes.""" |
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super(CamtParser, self).__init__() |
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self.namespace = '' |
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def xpath(self, node, expr): |
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""" |
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Wrap namespaces argument into call to Element.xpath(): |
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self.xpath(node, './ns:Acct/ns:Id') |
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""" |
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return node.xpath(expr, namespaces={'ns': self.namespace}) |
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def parse_amount(self, ns, node): |
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def parse_amount(self, node): |
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"""Parse element that contains Amount and CreditDebitIndicator.""" |
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if node is None: |
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return 0.0 |
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@ -41,7 +56,7 @@ class CamtParser(models.AbstractModel): |
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return amount |
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def add_value_from_node( |
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self, ns, node, xpath_str, obj, attr_name, join_str=None, |
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self, node, xpath_str, obj, attr_name, join_str=None, |
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default=None): |
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"""Add value to object from first or all nodes found with xpath. |
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@ -51,7 +66,7 @@ class CamtParser(models.AbstractModel): |
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if not isinstance(xpath_str, (list, tuple)): |
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xpath_str = [xpath_str] |
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for search_str in xpath_str: |
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found_node = node.xpath(search_str, namespaces={'ns': ns}) |
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found_node = self.xpath(node, search_str) |
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if found_node: |
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if join_str is None: |
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attr_value = found_node[0].text |
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@ -67,7 +82,6 @@ class CamtParser(models.AbstractModel): |
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"""Parse TxDtls node.""" |
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# message |
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self.add_value_from_node( |
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ns, |
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node, |
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[ |
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'./ns:RmtInf/ns:Ustrd', |
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@ -83,7 +97,7 @@ class CamtParser(models.AbstractModel): |
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) |
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# eref |
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self.add_value_from_node( |
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ns, node, [ |
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node, [ |
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'./ns:RmtInf/ns:Strd/ns:CdtrRefInf/ns:Ref', |
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'./ns:Refs/ns:EndToEndId', |
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], |
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@ -94,62 +108,59 @@ class CamtParser(models.AbstractModel): |
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transaction['amount'] = amount |
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# remote party values |
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party_type = 'Dbtr' |
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party_type_node = node.xpath( |
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'../../ns:CdtDbtInd', namespaces={'ns': ns}) |
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party_type_node = self.xpath(node, '../../ns:CdtDbtInd') |
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if party_type_node and party_type_node[0].text != 'CRDT': |
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party_type = 'Cdtr' |
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party_node = node.xpath( |
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'./ns:RltdPties/ns:%s' % party_type, namespaces={'ns': ns}) |
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party_node = self.xpath(node, './ns:RltdPties/ns:%s' % party_type) |
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if party_node: |
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self.add_value_from_node( |
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ns, party_node[0], './ns:Nm', transaction, 'remote_owner') |
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party_node[0], './ns:Nm', transaction, 'remote_owner' |
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) |
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self.add_value_from_node( |
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ns, party_node[0], './ns:PstlAdr/ns:Ctry', transaction, |
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party_node[0], './ns:PstlAdr/ns:Ctry', transaction, |
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'remote_owner_country' |
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) |
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address_node = party_node[0].xpath( |
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'./ns:PstlAdr/ns:AdrLine', namespaces={'ns': ns}) |
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address_node = self.xpath( |
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party_node[0], './ns:PstlAdr/ns:AdrLine' |
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) |
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if address_node: |
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transaction.remote_owner_address = [address_node[0].text] |
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# Get remote_account from iban or from domestic account: |
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account_node = node.xpath( |
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'./ns:RltdPties/ns:%sAcct/ns:Id' % party_type, |
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namespaces={'ns': ns} |
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account_node = self.xpath( |
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node, './ns:RltdPties/ns:%sAcct/ns:Id' % party_type |
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) |
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if account_node: |
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iban_node = account_node[0].xpath( |
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'./ns:IBAN', namespaces={'ns': ns}) |
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iban_node = self.xpath(account_node[0], './ns:IBAN') |
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if iban_node: |
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transaction.remote_account = iban_node[0].text |
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bic_node = node.xpath( |
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'./ns:RltdAgts/ns:%sAgt/ns:FinInstnId/ns:BIC' % party_type, |
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namespaces={'ns': ns} |
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bic_node = self.xpath( |
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node, |
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'./ns:RltdAgts/ns:%sAgt/ns:FinInstnId/ns:BIC' |
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% party_type |
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) |
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if bic_node: |
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transaction.remote_bank_bic = bic_node[0].text |
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else: |
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self.add_value_from_node( |
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ns, account_node[0], './ns:Othr/ns:Id', transaction, |
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account_node[0], './ns:Othr/ns:Id', transaction, |
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'remote_account' |
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) |
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def parse_entry(self, ns, node, transaction): |
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"""Parse an Ntry node and yield transactions.""" |
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def parse_transaction(self, node, transaction): |
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"""Parse transaction (entry) node.""" |
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self.add_value_from_node( |
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ns, node, './ns:BkTxCd/ns:Prtry/ns:Cd', transaction, |
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node, './ns:BkTxCd/ns:Prtry/ns:Cd', transaction, |
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'transfer_type' |
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) |
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self.add_value_from_node( |
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ns, node, './ns:BookgDt/ns:Dt', transaction, 'date') |
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node, './ns:BookgDt/ns:Dt', transaction, 'date') |
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self.add_value_from_node( |
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ns, node, './ns:BookgDt/ns:Dt', transaction, 'execution_date') |
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node, './ns:BookgDt/ns:Dt', transaction, 'execution_date') |
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self.add_value_from_node( |
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ns, node, './ns:ValDt/ns:Dt', transaction, 'value_date') |
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amount = self.parse_amount(ns, node) |
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if amount != 0.0: |
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transaction['amount'] = amount |
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node, './ns:ValDt/ns:Dt', transaction, 'value_date') |
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transaction.transferred_amount = self.parse_amount(node) |
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self.add_value_from_node( |
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ns, node, './ns:AddtlNtryInf', transaction, 'name') |
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node, './ns:AddtlNtryInf', transaction, 'name') |
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self.add_value_from_node( |
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ns, node, [ |
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'./ns:NtryDtls/ns:RmtInf/ns:Strd/ns:CdtrRefInf/ns:Ref', |
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@ -226,28 +237,27 @@ class CamtParser(models.AbstractModel): |
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balance = self.parse_amount(nodes[-1]) |
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return balance |
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def parse_statement(self, ns, node): |
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def parse_statement(self, node): |
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"""Parse a single Stmt node.""" |
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statement = BankStatement() |
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self.add_value_from_node( |
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ns, node, [ |
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node, [ |
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'./ns:Acct/ns:Id/ns:IBAN', |
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'./ns:Acct/ns:Id/ns:Othr/ns:Id', |
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], statement, 'local_account' |
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) |
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self.add_value_from_node(node, './ns:Id', statement, 'statement_id') |
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self.add_value_from_node( |
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ns, node, './ns:Id', statement, 'statement_id') |
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self.add_value_from_node( |
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ns, node, './ns:Acct/ns:Ccy', statement, 'local_currency') |
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node, './ns:Acct/ns:Ccy', statement, 'local_currency') |
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statement.start_balance = self.get_start_balance(node) |
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statement.end_balance = self.get_end_balance(node) |
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transaction_nodes = node.xpath('./ns:Ntry', namespaces={'ns': ns}) |
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transaction_nodes = self.xpath(node, './ns:Ntry') |
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total_amount = 0 |
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for entry_node in transaction_nodes: |
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transaction = statement.create_transaction() |
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total_amount += transaction['transferred_amount'] |
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transaction.data = etree.tostring(entry_node) |
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self.parse_transaction(ns, entry_node, transaction) |
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self.parse_transaction(entry_node, transaction) |
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total_amount += transaction.transferred_amount |
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if statement['transactions']: |
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execution_date = statement['transactions'][0].execution_date[:10] |
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statement.date = datetime.strptime(execution_date, "%Y-%m-%d") |
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@ -266,15 +276,15 @@ class CamtParser(models.AbstractModel): |
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) |
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return statement |
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def check_version(self, ns, root): |
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def check_version(self, root): |
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"""Validate validity of camt file.""" |
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# Check wether it is camt at all: |
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re_camt = re.compile( |
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r'(^urn:iso:std:iso:20022:tech:xsd:camt.' |
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r'|^ISO:camt.)' |
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) |
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if not re_camt.search(ns): |
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raise ValueError('no camt: ' + ns) |
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if not re_camt.search(self.namespace): |
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raise ValueError('no camt: ' + self.namespace) |
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# Check wether version 052 or 053: |
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re_camt_version = re.compile( |
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r'(^urn:iso:std:iso:20022:tech:xsd:camt.053.' |
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@ -282,10 +292,10 @@ class CamtParser(models.AbstractModel): |
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r'|^ISO:camt.053.' |
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r'|^ISO:camt.052.)' |
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) |
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if not re_camt_version.search(ns): |
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raise ValueError('no camt 052 or 053: ' + ns) |
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if not re_camt_version.search(self.namespace): |
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raise ValueError('no camt 052 or 053: ' + self.namespace) |
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# Check GrpHdr element: |
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root_0_0 = root[0][0].tag[len(ns) + 2:] # strip namespace |
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root_0_0 = root[0][0].tag[len(self.namespace) + 2:] # strip namespace |
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if root_0_0 != 'GrpHdr': |
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raise ValueError('expected GrpHdr, got: ' + root_0_0) |
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@ -301,11 +311,11 @@ class CamtParser(models.AbstractModel): |
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if root is None: |
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raise ValueError( |
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'Not a valid xml file, or not an xml file at all.') |
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ns = root.tag[1:root.tag.index("}")] |
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self.check_version(ns, root) |
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self.namespace = root.tag[1:root.tag.index("}")] |
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self.check_version(root) |
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statements = [] |
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for node in root[0][1:]: |
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statement = self.parse_statement(ns, node) |
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statement = self.parse_statement(node) |
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if len(statement['transactions']): |
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statements.append(statement) |
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return statements |
Ronald Portier
8 years ago