class Schema(API):
"""Processor to add types to row.
Parameters
----------
schema: str/dict
Schema as in https://github.com/okfn/jsontableschema-py#model.
If schema is None processor will cast values using type detection.
"""
# Public
def __init__(self, schema=None):
self.__schema = None
if schema is not None:
self.__schema = SchemaModel(schema)
def process(self, iterator):
if self.__schema is None:
values = []
for value in iterator.values:
value = helpers.parse_value(value)
values.append(value)
iterator.values = tuple(values)
else:
values = self.__schema.convert_row(*iterator.values)
iterator.values = tuple(values)
def handle(self, iterator):
pass # pragma: no cover
def do_csvimport(args,client=None):
if client is None:
client = clientfromargs(args)
logger=get_logger(args)
logger.debug('selected schema %s' % (args.schema,))
if os.path.exists(args.schema):
schemafile = args.schema
else:
schemafile = os.path.join(schemas_dir, args.schema + '.json')
if not os.path.exists(schemafile):
logger.error('This schema doesn''t exist in csv_schemas')
exit(-1)
try:
schema = SchemaModel(schemafile, case_insensitive_headers=True)
with open(schemafile,'r') as sf:
schemacontent = json.load(sf)
try:
nheaders = schemacontent['nheaders']
except KeyError:
nheaders = 1
except InvalidSchemaError:
logger.error('Invalid CSV schema')
raise
logger.debug('schema headers %s' % schema.headers)
if 'account' not in schema.headers and args.accountname is None:
logger.error('This schema does not have an account column and no account name was provided')
exit(-1)
accounts = {x.account_name: x for x in client.budget.be_accounts}
payees = {p.name: p for p in client.budget.be_payees}
mastercategories_perid = {m.id: m for m in client.budget.be_master_categories}
subcategories = {}
for s in client.budget.be_subcategories:
m=mastercategories_perid[s.entities_master_category_id]
subcategories[m.name+':'+s.name]=s
def getaccount(accountname):
try:
logger.debug('searching for account %s' % accountname)
return accounts[accountname]
except KeyError:
logger.error('Couldn''t find this account: %s' % accountname)
exit(-1)
def getpayee(payeename):
try:
logger.debug('searching for payee %s' % payeename)
return payees[payeename]
except KeyError:
logger.debug('Couldn''t find this payee: %s' % payeename)
payee=Payee(name=payeename)
client.budget.be_payees.append(payee)
return payee
def getsubcategory(categoryname):
try:
logger.debug('searching for subcategory %s' % categoryname)
return subcategories[categoryname]
except KeyError:
get_logger(args).debug('Couldn''t find this category: %s' % categoryname)
exit(-1)
if 'account' not in schema.headers:
entities_account_id = getaccount(args.accountname).id
if 'inflow' in schema.headers and 'outflow' in schema.headers:
pass
elif 'amount' in schema.headers:
pass
else:
logger.error('This schema doesn''t provide an amount column or (inflow,outflow) columns')
exit(-1)
csvrow = namedtuple('CSVrow', field_names=schema.headers)
transactions = []
imported_date=datetime.now().date()
get_logger(args).debug('OK starting the import from %s '%os.path.abspath(args.csvfile))
with open(args.csvfile, 'r') as inputfile:
header = inputfile.readline()
for row in csv.reader(inputfile):
if sys.version[0] == '2':
row = [cell.decode('utf-8') for cell in row]
get_logger(args).debug('read line %s' % row)
result = csvrow(*list(schema.convert_row(*row, fail_fast=True)))
if 'account' in schema.headers:
entities_account_id = getaccount(result.account).id
if 'inflow' in schema.headers and 'outflow' in schema.headers:
amount = result.inflow - result.outflow
elif 'amount' in schema.headers:
amount = result.amount
else:
get_logger(args).error('Couldn''t find this account: %s' % args.accountname)
exit(-1)
if 'category' in schema.headers and result.category:
entities_subcategory_id = getsubcategory(result.category).id
else:
entities_subcategory_id = None
if 'payee' in schema.headers:
imported_payee=result.payee
else:
imported_payee=''
entities_payee_id = getpayee(imported_payee).id
if 'memo' in schema.headers:
memo=result.memo
else:
memo=''
transaction=Transaction(
entities_account_id=entities_account_id,
amount=amount,
date=result.date,
entities_payee_id=entities_payee_id,
entities_subcategory_id=entities_subcategory_id,
imported_date=imported_date,
imported_payee=imported_payee,
memo=memo,
source="Imported"
)
if args.import_duplicates or (not client.budget.be_transactions.containsduplicate(transaction)):
get_logger(args).debug('Appending transaction %s '%transaction.getdict())
transactions.append(transaction)
else:
get_logger(args).debug('Duplicate transaction found %s '%transaction.getdict())
client.add_transactions(transactions)
def do_csvimport(args, client=None):
if client is None:
client = clientfromargs(args)
logger = get_logger(args)
logger.debug('selected schema %s' % (args.schema,))
if os.path.exists(args.schema):
schemafile = args.schema
else:
schemafile = os.path.join(schemas_dir, args.schema + '.json')
if not os.path.exists(schemafile):
logger.error('This schema doesn''t exist in csv_schemas')
exit(-1)
try:
schema = SchemaModel(schemafile, case_insensitive_headers=True)
with open(schemafile, 'r') as sf:
schemacontent = json.load(sf)
try:
nheaders = schemacontent['nheaders']
except KeyError:
nheaders = 1
except InvalidSchemaError:
logger.error('Invalid CSV schema')
raise
logger.debug('schema headers %s' % schema.headers)
if 'account' not in schema.headers and args.accountname is None:
logger.error('This schema does not have an account column and no account name was provided')
exit(-1)
accounts = {x.account_name: x for x in client.budget.be_accounts}
payees = {p.name: p for p in client.budget.be_payees}
mastercategories_perid = {m.id: m for m in client.budget.be_master_categories}
subcategories = {}
for s in client.budget.be_subcategories:
m = mastercategories_perid[s.entities_master_category_id]
subcategories[m.name + ':' + s.name] = s
def getaccount(accountname):
try:
logger.debug('searching for account %s' % accountname)
return accounts[accountname]
except KeyError:
logger.error('Couldn''t find this account: %s' % accountname)
exit(-1)
def getpayee(payeename):
try:
logger.debug('searching for payee %s' % payeename)
return payees[payeename]
except KeyError:
logger.debug('Couldn''t find this payee: %s' % payeename)
payee = Payee(name=payeename)
client.budget.be_payees.append(payee)
return payee
def getsubcategory(categoryname):
try:
logger.debug('searching for subcategory %s' % categoryname)
return subcategories[categoryname]
except KeyError:
logger.debug('Couldn''t find this category: %s' % categoryname)
exit(-1)
entities_account_id = None
if 'account' not in schema.headers:
entities_account_id = getaccount(args.accountname).id
amount = None
if 'inflow' in schema.headers and 'outflow' in schema.headers:
pass
elif 'amount' in schema.headers:
pass
else:
logger.error('This schema doesn''t provide an amount column or (inflow,outflow) columns')
exit(-1)
csvrow = namedtuple('CSVrow', field_names=schema.headers)
transactions = []
imported_date = datetime.now().date()
logger.debug('OK starting the import from %s ' % os.path.abspath(args.csvfile))
with open(args.csvfile, 'r') as inputfile:
header = []
for i in range(0, nheaders):
header.append(inputfile.readline())
for row in csv.reader(inputfile):
if sys.version[0] == '2':
row = [cell.decode('utf-8') for cell in row]
if all(map(lambda x: x.strip() == '', row)):
continue
logger.debug('read line %s' % row)
result = csvrow(*list(schema.convert_row(*row, fail_fast=True)))
if 'account' in schema.headers:
entities_account_id = getaccount(result.account).id
if entities_account_id is None:
logger.error(
'No account id, the account %s in the an account column was not recognized' % result.account)
exit(-1)
if 'inflow' in schema.headers and 'outflow' in schema.headers:
amount = result.inflow - result.outflow
elif 'amount' in schema.headers:
amount = result.amount
if 'category' in schema.headers and result.category:
entities_subcategory_id = getsubcategory(result.category).id
else:
entities_subcategory_id = None
if 'payee' in schema.headers:
imported_payee = result.payee
else:
imported_payee = ''
entities_payee_id = getpayee(imported_payee).id
if 'memo' in schema.headers:
memo = result.memo
else:
memo = ''
transaction = Transaction(
entities_account_id=entities_account_id,
amount=amount,
date=result.date,
entities_payee_id=entities_payee_id,
entities_subcategory_id=entities_subcategory_id,
imported_date=imported_date,
imported_payee=imported_payee,
memo=memo,
source="Imported"
)
if args.import_duplicates or (not transaction in client.budget.be_transactions):
logger.debug('Appending transaction %s ' % transaction.get_dict())
transactions.append(transaction)
else:
logger.debug('Duplicate transaction found %s ' % transaction.get_dict())
client.add_transactions(transactions)
def convert_data(schema, data):
result = []
model = SchemaModel(schema)
for item in data:
result.append(tuple(model.convert_row(*item)))
return result