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import re
from fints.fields import DataElementField, DataElementGroupField, IntCodeField
from fints.formals import SecurityClass, SegmentHeader
from fints.types import Container, ContainerMeta
from fints.utils import SubclassesMixin, classproperty
TYPE_VERSION_RE = re.compile(r'^([A-Z]+)(\d+)$')
class FinTS3SegmentMeta(ContainerMeta):
@staticmethod
def _check_fields_recursive(instance):
for name, field in instance._fields.items():
if not isinstance(field, (DataElementField, DataElementGroupField)):
raise TypeError("{}={!r} is not DataElementField or DataElementGroupField".format(name, field))
if isinstance(field, DataElementGroupField):
FinTS3SegmentMeta._check_fields_recursive(field.type)
def __new__(cls, name, bases, classdict):
retval = super().__new__(cls, name, bases, classdict)
FinTS3SegmentMeta._check_fields_recursive(retval)
return retval
class FinTS3Segment(Container, SubclassesMixin, metaclass=FinTS3SegmentMeta):
header = DataElementGroupField(type=SegmentHeader, _d="Segmentkopf")
@classproperty
def TYPE(cls):
match = TYPE_VERSION_RE.match(cls.__name__)
if match:
return match.group(1)
@classproperty
def VERSION(cls):
match = TYPE_VERSION_RE.match(cls.__name__)
if match:
return int(match.group(2))
def __init__(self, *args, **kwargs):
if 'header' not in kwargs:
kwargs['header'] = SegmentHeader(self.TYPE, None, self.VERSION)
args = (kwargs.pop('header'), ) + args
super().__init__(*args, **kwargs)
@classmethod
def find_subclass(cls, segment):
h = SegmentHeader.naive_parse(segment[0])
target_cls = None
for possible_cls in cls._all_subclasses():
if getattr(possible_cls, 'TYPE', None) == h.type and getattr(possible_cls, 'VERSION', None) == h.version:
target_cls = possible_cls
if not target_cls:
target_cls = cls
return target_cls
class ParameterSegment_22(FinTS3Segment):
max_number_tasks = DataElementField(type='num', max_length=3, _d="Maximale Anzahl Aufträge")
min_number_signatures = DataElementField(type='num', length=1, _d="Anzahl Signaturen mindestens")
class ParameterSegment(FinTS3Segment):
max_number_tasks = DataElementField(type='num', max_length=3, _d="Maximale Anzahl Aufträge")
min_number_signatures = DataElementField(type='num', length=1, _d="Anzahl Signaturen mindestens")
security_class = IntCodeField(SecurityClass, length=1, _d="Sicherheitsklasse")
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