/usr/share/pyshared/tryton/gui/window/view_form/model/field.py is in tryton-client 3.0.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#this repository contains the full copyright notices and license terms.
import os
import tempfile
import locale
from tryton.common import datetime_strftime, \
domain_inversion, eval_domain, localize_domain, unlocalize_domain, \
merge, inverse_leaf, EvalEnvironment
import tryton.common as common
import time
import datetime
import decimal
from decimal import Decimal
import math
from tryton.translate import date_format
from tryton.common import RPCExecute, RPCException
class Field(object):
'''
get: return the values to write to the server
get_client: return the value for the client widget (form_gtk)
set: save the value from the server
set_client: save the value from the widget
'''
def __new__(cls, ctype):
klass = TYPES.get(ctype, CharField)
return klass
class CharField(object):
_default = ''
def __init__(self, attrs):
self.attrs = attrs
self.name = attrs['name']
def sig_changed(self, record):
if self.get_state_attrs(record).get('readonly', False):
return
if self.attrs.get('on_change', False):
record.on_change(self.name, self.attrs['on_change'])
record.on_change_with(self.name)
record.autocomplete_with(self.name)
def domains_get(self, record):
screen_domain = domain_inversion(record.group.domain4inversion,
self.name, EvalEnvironment(record))
if isinstance(screen_domain, bool) and not screen_domain:
screen_domain = [('id', '=', False)]
elif isinstance(screen_domain, bool) and screen_domain:
screen_domain = []
attr_domain = record.expr_eval(self.attrs.get('domain', []))
return screen_domain, attr_domain
def domain_get(self, record):
screen_domain, attr_domain = self.domains_get(record)
return [localize_domain(screen_domain), attr_domain]
def validation_domains(self, record):
screen_domain, attr_domain = self.domains_get(record)
if attr_domain:
return (screen_domain, [screen_domain,
unlocalize_domain(attr_domain, self.name)])
else:
return screen_domain, screen_domain
def context_get(self, record):
context = record.context_get().copy()
if record.parent:
context.update(record.parent.context_get())
context.update(record.expr_eval(self.attrs.get('context', {})))
return context
def check_required(self, record):
state_attrs = self.get_state_attrs(record)
if bool(int(state_attrs.get('required') or 0)):
if (not self.get_eval(record)
and not bool(int(state_attrs.get('readonly') or 0))):
return False
return True
def validate(self, record, softvalidation=False):
if self.attrs.get('readonly'):
return True
res = True
self.get_state_attrs(record)['domain_readonly'] = False
inverted_domain, domain = self.validation_domains(record)
if not softvalidation:
res = res and self.check_required(record)
if isinstance(domain, bool):
res = res and domain
elif domain == [('id', '=', False)]:
res = False
else:
if (isinstance(inverted_domain, list)
and len(inverted_domain) == 1
and inverted_domain[0][1] == '='):
# If the inverted domain is so constraint that only one value
# is possible we should use it. But we must also pay attention
# to the fact that the original domain might be a 'OR' domain
# and thus not preventing the modification of fields.
leftpart, _, value = inverted_domain[0][:3]
if value is False:
# XXX to remove once server domains are fixed
value = None
setdefault = True
original_domain = merge(record.group.domain)
domain_readonly = original_domain[0] == 'AND'
if '.' in leftpart:
recordpart, localpart = leftpart.split('.', 1)
constraintfields = set()
if domain_readonly:
for leaf in localize_domain(original_domain[1:]):
constraintfields.add(leaf[0])
if localpart != 'id' or recordpart not in constraintfields:
setdefault = False
if setdefault:
self.set_client(record, value)
self.get_state_attrs(record)['domain_readonly'] = (
domain_readonly)
res = res and eval_domain(domain, EvalEnvironment(record))
self.get_state_attrs(record)['valid'] = res
return res
def set(self, record, value):
record.value[self.name] = value
def get(self, record):
return record.value.get(self.name) or self._default
def get_eval(self, record):
return self.get(record)
def get_on_change_value(self, record):
return self.get_eval(record)
def set_client(self, record, value, force_change=False):
previous_value = self.get(record)
self.set(record, value)
if previous_value != self.get(record):
record.modified_fields.setdefault(self.name)
record.signal('record-modified')
self.sig_changed(record)
record.validate(softvalidation=True)
record.signal('record-changed')
elif force_change:
self.sig_changed(record)
record.validate(softvalidation=True)
record.signal('record-changed')
def get_client(self, record):
return record.value.get(self.name) or self._default
def set_default(self, record, value):
self.set(record, value)
record.modified_fields.setdefault(self.name)
def set_on_change(self, record, value):
record.modified_fields.setdefault(self.name)
return self.set(record, value)
def state_set(self, record, states=('readonly', 'required', 'invisible')):
state_changes = record.expr_eval(self.attrs.get('states', {}))
for key in states:
if key == 'readonly' and self.attrs.get(key, False):
continue
if key in state_changes:
self.get_state_attrs(record)[key] = state_changes[key]
elif key in self.attrs:
self.get_state_attrs(record)[key] = self.attrs[key]
if (record.group.readonly
or self.get_state_attrs(record).get('domain_readonly')):
self.get_state_attrs(record)['readonly'] = True
def get_state_attrs(self, record):
if self.name not in record.state_attrs:
record.state_attrs[self.name] = self.attrs.copy()
if record.group.readonly or record.readonly:
record.state_attrs[self.name]['readonly'] = True
return record.state_attrs[self.name]
def get_timestamp(self, record):
return {}
class SelectionField(CharField):
_default = None
def get_client(self, record):
return record.value.get(self.name)
class DateTimeField(CharField):
_default = None
def set_client(self, record, value, force_change=False):
if not isinstance(value, datetime.datetime):
try:
value = datetime.datetime(*time.strptime(value,
date_format() + ' ' + self.time_format(record))[:6])
value = common.untimezoned_date(value)
except ValueError:
value = self._default
super(DateTimeField, self).set_client(record, value,
force_change=force_change)
def get_client(self, record):
value = super(DateTimeField, self).get_client(record)
if value:
value = common.timezoned_date(value)
return datetime_strftime(value, date_format() + ' ' +
self.time_format(record))
return ''
def time_format(self, record):
return record.expr_eval(self.attrs['format'])
class DateField(CharField):
_default = None
def set_client(self, record, value, force_change=False):
if not isinstance(value, datetime.date):
try:
value = datetime.date(*time.strptime(value,
date_format())[:3])
except ValueError:
value = self._default
super(DateField, self).set_client(record, value,
force_change=force_change)
def get_client(self, record):
value = super(DateField, self).get_client(record)
if value:
return datetime_strftime(value, date_format())
return ''
class TimeField(CharField):
_default = None
def set_client(self, record, value, force_change=False):
if not isinstance(value, datetime.time):
try:
value = datetime.time(*time.strptime(value,
self.time_format(record))[3:6])
except ValueError:
value = None
super(TimeField, self).set_client(record, value,
force_change=force_change)
def get_client(self, record):
value = super(TimeField, self).get_client(record)
if value is not None:
return value.strftime(self.time_format(record))
return ''
def time_format(self, record):
return record.expr_eval(self.attrs['format'])
class FloatField(CharField):
_default = None
default_digits = (16, 2)
def check_required(self, record):
state_attrs = self.get_state_attrs(record)
if bool(int(state_attrs.get('required') or 0)):
if (self.get(record) is None
and not bool(int(state_attrs.get('readonly') or 0))):
return False
return True
def get(self, record):
return record.value.get(self.name, self._default)
def digits(self, record, factor=1):
digits = tuple(y if x is None else x for x, y in zip(
record.expr_eval(
self.attrs.get('digits', self.default_digits)),
self.default_digits))
shift = int(round(math.log(factor, 10)))
return (digits[0] + shift, digits[1] - shift)
def convert(self, value):
try:
return locale.atof(value)
except ValueError:
return self._default
def set_client(self, record, value, force_change=False, factor=1):
if isinstance(value, basestring):
value = self.convert(value)
if value is not None:
value /= factor
super(FloatField, self).set_client(record, value,
force_change=force_change)
def get_client(self, record, factor=1):
value = record.value.get(self.name)
if value is not None:
digit = self.digits(record, factor=factor)[1]
return locale.format('%.*f', (digit, value * factor), True)
else:
return ''
class NumericField(FloatField):
def convert(self, value):
try:
return locale.atof(value, Decimal)
except decimal.InvalidOperation:
return self._default
def set_client(self, record, value, force_change=False, factor=1):
return super(NumericField, self).set_client(record, value,
force_change=force_change, factor=Decimal(str(factor)))
def get_client(self, record, factor=1):
return super(NumericField, self).get_client(record,
factor=Decimal(str(factor)))
class IntegerField(FloatField):
default_digits = (16, 0)
def convert(self, value):
try:
return locale.atoi(value)
except ValueError:
return self._default
def set_client(self, record, value, force_change=False, factor=1):
return super(IntegerField, self).set_client(record, value,
force_change=force_change, factor=int(factor))
def get_client(self, record, factor=1):
return super(IntegerField, self).get_client(record, factor=int(factor))
class BooleanField(CharField):
_default = False
def set_client(self, record, value, force_change=False):
value = bool(value)
super(BooleanField, self).set_client(record, value,
force_change=force_change)
def get(self, record):
return bool(record.value.get(self.name))
def get_client(self, record):
return bool(record.value.get(self.name))
class M2OField(CharField):
'''
internal = (id, name)
'''
_default = None
def get(self, record):
value = record.value.get(self.name)
if (record.parent_name == self.name
and self.attrs['relation'] == record.group.parent.model_name):
value = record.parent.id if record.parent else None
return value
def get_client(self, record):
rec_name = record.value.get(self.name + '.rec_name')
if rec_name is None:
self.set(record, self.get(record))
rec_name = record.value.get(self.name + '.rec_name') or ''
return rec_name
def set_client(self, record, value, force_change=False):
if isinstance(value, (tuple, list)):
value, rec_name = value
else:
if value == self.get(record):
rec_name = record.value.get(self.name + '.rec_name', '')
else:
rec_name = ''
record.value[self.name + '.rec_name'] = rec_name
super(M2OField, self).set_client(record, value,
force_change=force_change)
def set(self, record, value):
rec_name = record.value.get(self.name + '.rec_name') or ''
if value is False:
value = None
if (record.parent_name == self.name
and self.attrs['relation'] == record.group.parent.model_name):
if record.parent:
value = record.parent.id
if 'rec_name' in record.parent.value:
rec_name = record.parent.value['rec_name'] or ''
else:
value = None
if not rec_name and value >= 0:
try:
result, = RPCExecute('model', self.attrs['relation'], 'read',
[value], ['rec_name'], main_iteration=False)
except RPCException:
return False
rec_name = result['rec_name'] or ''
record.value[self.name + '.rec_name'] = rec_name
record.value[self.name] = value
if (record.parent_name == self.name
and self.attrs['relation'] == record.group.parent.model_name):
if record.parent:
if 'rec_name' not in record.parent.value:
record.parent.value['rec_name'] = rec_name
def context_get(self, record):
context = super(M2OField, self).context_get(record)
if self.attrs.get('datetime_field'):
context['_datetime'] = record.get_eval(
)[self.attrs.get('datetime_field')]
return context
def validation_domains(self, record):
screen_domain, attr_domain = self.domains_get(record)
return screen_domain, screen_domain
def domain_get(self, record):
screen_domain, attr_domain = self.domains_get(record)
return [localize_domain(inverse_leaf(screen_domain), self.name),
attr_domain]
def get_state_attrs(self, record):
result = super(M2OField, self).get_state_attrs(record)
if (record.parent_name == self.name
and self.attrs['relation'] == record.group.parent.model_name):
result = result.copy()
result['readonly'] = True
return result
class O2OField(M2OField):
pass
class O2MField(CharField):
'''
internal = Group of the related objects
'''
_default = None
def __init__(self, attrs):
super(O2MField, self).__init__(attrs)
self.in_on_change = False
self.context = {}
def sig_changed(self, record):
if not self.in_on_change:
return super(O2MField, self).sig_changed(record)
def _group_changed(self, group, record):
if not record.parent:
return
record.parent.modified_fields.setdefault(self.name)
self.sig_changed(record.parent)
record.parent.validate(softvalidation=True)
record.parent.signal('record-changed')
def _group_list_changed(self, group, signal):
if group.model_name == group.parent.model_name:
group.parent.group.signal('group-list-changed', signal)
def _group_cleared(self, group, signal):
if group.model_name == group.parent.model_name:
group.parent.signal('group-cleared')
def _record_modified(self, group, record):
if not record.parent:
return
record.parent.signal('record-modified')
def _set_default_value(self, record):
if record.value.get(self.name) is not None:
return
from group import Group
parent_name = self.attrs.get('relation_field', '')
group = Group(self.attrs['relation'], {},
parent=record,
parent_name=parent_name,
child_name=self.name,
context=self.context,
parent_datetime_field=self.attrs.get('datetime_field'))
if record.model_name == self.attrs['relation']:
group.fields = record.group.fields
group.signal_connect(group, 'group-changed', self._group_changed)
group.signal_connect(group, 'group-list-changed',
self._group_list_changed)
group.signal_connect(group, 'group-cleared', self._group_cleared)
group.signal_connect(group, 'record-modified', self._record_modified)
record.value[self.name] = group
def get_client(self, record):
self._set_default_value(record)
return record.value.get(self.name)
def get(self, record):
if record.value.get(self.name) is None:
return []
record_removed = record.value[self.name].record_removed
record_deleted = record.value[self.name].record_deleted
result = [('add', [])]
parent_name = self.attrs.get('relation_field', '')
to_create = []
for record2 in record.value[self.name]:
if record2 in record_removed or record2 in record_deleted:
continue
if record2.id >= 0:
values = record2.get()
values.pop(parent_name, None)
if record2.modified and values:
result.append(('write', [record2.id], values))
result[0][1].append(record2.id)
else:
values = record2.get()
values.pop(parent_name, None)
to_create.append(values)
if to_create:
result.append(('create', to_create))
if not result[0][1]:
del result[0]
if record_removed:
result.append(('unlink', [x.id for x in record_removed]))
if record_deleted:
result.append(('delete', [x.id for x in record_deleted]))
return result
def get_timestamp(self, record):
if record.value.get(self.name) is None:
return {}
result = {}
for record2 in (record.value[self.name]
+ record.value[self.name].record_removed
+ record.value[self.name].record_deleted):
result.update(record2.get_timestamp())
return result
def get_eval(self, record):
if record.value.get(self.name) is None:
return []
record_removed = record.value[self.name].record_removed
record_deleted = record.value[self.name].record_deleted
return [x.id for x in record.value[self.name]
if x not in record_removed and x not in record_deleted]
def get_on_change_value(self, record):
result = []
if record.value.get(self.name) is None:
return []
for record2 in record.value[self.name]:
if not (record2.deleted or record2.removed):
result.append(
record2.get_on_change_value())
return result
def _set_value(self, record, value, default=False):
from group import Group
if not value or (len(value) and isinstance(value[0], (int, long))):
mode = 'list ids'
else:
mode = 'list values'
group = record.value.get(self.name)
fields = {}
if group is not None:
fields = group.fields.copy()
# Unconnect to prevent infinite loop
group.signal_unconnect(group)
group.destroy()
elif record.model_name == self.attrs['relation']:
fields = record.group.fields
if fields:
fields = dict((fname, field.attrs)
for fname, field in fields.iteritems())
if mode == 'list values' and len(value):
context = self.context_get(record)
field_names = set(f for v in value for f in v if f not in fields)
if field_names:
try:
fields.update(RPCExecute('model', self.attrs['relation'],
'fields_get', list(field_names),
main_iteration=False, context=context))
except RPCException:
return
parent_name = self.attrs.get('relation_field', '')
group = Group(self.attrs['relation'], fields,
parent=record, parent_name=parent_name,
child_name=self.name,
context=self.context,
parent_datetime_field=self.attrs.get('datetime_field'))
record.value[self.name] = group
if mode == 'list ids':
group.load(value)
else:
for vals in value:
new_record = record.value[self.name].new(default=False)
if default:
new_record.set_default(vals)
group.add(new_record)
else:
new_record.id *= -1 # Don't consider record as unsaved
new_record.set(vals)
group.append(new_record)
group.signal_connect(group, 'group-changed', self._group_changed)
group.signal_connect(group, 'group-list-changed',
self._group_list_changed)
group.signal_connect(group, 'group-cleared', self._group_cleared)
group.signal_connect(group, 'record-modified', self._record_modified)
return group
def set(self, record, value):
self._set_value(record, value, default=False)
def set_client(self, record, value, force_change=False):
pass
def set_default(self, record, value):
previous_group = record.value.get(self.name)
group = self._set_value(record, value, default=True)
if previous_group:
group.record_deleted.extend(x for x in previous_group if x.id >= 0)
group.record_deleted.extend(previous_group.record_deleted)
group.record_removed.extend(previous_group.record_removed)
record.modified_fields.setdefault(self.name)
def set_on_change(self, record, value):
self._set_default_value(record)
if isinstance(value, (list, tuple)):
self._set_value(record, value)
record.modified_fields.setdefault(self.name)
record.signal('record-modified')
return True
if value and (value.get('add') or value.get('update')):
context = self.context_get(record)
fields = record.value[self.name].fields
field_names = set(f for v in (
value.get('add', []) + value.get('update', []))
for f in v if f not in fields and f != 'id')
if field_names:
try:
fields = RPCExecute('model', self.attrs['relation'],
'fields_get', list(field_names), main_iteration=False,
context=context)
except RPCException:
return False
else:
fields = {}
to_remove = []
for record2 in record.value[self.name]:
if not record2.id:
to_remove.append(record2)
if value and value.get('remove'):
for record_id in value['remove']:
record2 = record.value[self.name].get(record_id)
if record2 is not None:
to_remove.append(record2)
for record2 in to_remove:
record.value[self.name].remove(record2, signal=False,
force_remove=False)
if value and (value.get('add') or value.get('update', [])):
record.value[self.name].add_fields(fields, signal=False)
for vals in value.get('add', []):
new_record = record.value[self.name].new(default=False)
record.value[self.name].add(new_record)
new_record.set_on_change(vals)
for vals in value.get('update', []):
if 'id' not in vals:
continue
record2 = record.value[self.name].get(vals['id'])
if record2 is not None:
record2.set_on_change(vals)
return True
def validation_domains(self, record):
screen_domain, attr_domain = self.domains_get(record)
return screen_domain, screen_domain
def validate(self, record, softvalidation=False):
if self.attrs.get('readonly'):
return True
res = True
for record2 in record.value.get(self.name, []):
if not record2.loaded and record2.id >= 0:
continue
if not record2.validate(softvalidation=softvalidation):
if not record2.modified:
record.value[self.name].remove(record2)
else:
res = False
if not super(O2MField, self).validate(record, softvalidation):
res = False
self.get_state_attrs(record)['valid'] = res
return res
def state_set(self, record, states=('readonly', 'required', 'invisible')):
self._set_default_value(record)
super(O2MField, self).state_set(record, states=states)
record.value[self.name].readonly = self.get_state_attrs(record).get(
'readonly', False)
def get_removed_ids(self, record):
return [x.id for x in record.value[self.name].record_removed]
def domain_get(self, record):
screen_domain, attr_domain = self.domains_get(record)
return [localize_domain(inverse_leaf(screen_domain)), attr_domain]
class M2MField(O2MField):
def set(self, record, value):
from group import Group
group = record.value.get(self.name)
fields = {}
if group is not None:
fields = group.fields.copy()
# Unconnect to prevent infinite loop
group.signal_unconnect(group)
group.destroy()
elif record.model_name == self.attrs['relation']:
fields = record.group.fields
parent_name = self.attrs.get('relation_field', '')
group = Group(self.attrs['relation'], {},
parent=record, parent_name=parent_name,
child_name=self.name,
context=self.context,
parent_datetime_field=self.attrs.get('datetime_field'))
if record.value.get(self.name):
group.record_removed.extend(record.value[self.name])
group.record_deleted.extend(record.value[self.name].record_deleted)
group.record_removed.extend(record.value[self.name].record_removed)
record.value[self.name] = group
group.fields = fields
group.load(value)
group.signal_connect(group, 'group-changed', self._group_changed)
group.signal_connect(group, 'group-list-changed',
self._group_list_changed)
group.signal_connect(group, 'group-cleared', self._group_cleared)
group.signal_connect(group, 'record-modified', self._record_modified)
def get_on_change_value(self, record):
return self.get_eval(record)
class ReferenceField(CharField):
_default = None
def get_client(self, record):
if record.value.get(self.name):
model, _ = record.value[self.name]
name = record.value.get(self.name + '.rec_name') or ''
return model, name
else:
return None
def get(self, record):
if (record.value.get(self.name)
and record.value[self.name][0]
and record.value[self.name][1] >= -1):
return ','.join(map(str, record.value[self.name]))
return None
def set_client(self, record, value, force_change=False):
if value:
if isinstance(value, basestring):
value = value.split(',')
ref_model, ref_id = value
if isinstance(ref_id, (tuple, list)):
ref_id, rec_name = ref_id
else:
if ref_id:
try:
ref_id = int(ref_id)
except ValueError:
pass
if '%s,%s' % (ref_model, ref_id) == self.get(record):
rec_name = record.value.get(self.name + '.rec_name', '')
else:
rec_name = ''
record.value[self.name + '.rec_name'] = rec_name
value = (ref_model, ref_id)
super(ReferenceField, self).set_client(record, value,
force_change=force_change)
def set(self, record, value):
if not value:
record.value[self.name] = self._default
return
if isinstance(value, basestring):
ref_model, ref_id = value.split(',')
if not ref_id:
ref_id = None
else:
try:
ref_id = int(ref_id)
except ValueError:
pass
else:
ref_model, ref_id = value
rec_name = record.value.get(self.name + '.rec_name') or ''
if ref_model and ref_id >= 0:
if not rec_name and ref_id >= 0:
try:
result, = RPCExecute('model', ref_model, 'read', [ref_id],
['rec_name'], main_iteration=False)
except RPCException:
return
rec_name = result['rec_name']
elif ref_model:
rec_name = ''
else:
rec_name = ref_id
record.value[self.name] = ref_model, ref_id
record.value[self.name + '.rec_name'] = rec_name
class BinaryField(CharField):
_default = None
def get(self, record):
result = record.value.get(self.name) or self._default
if isinstance(result, basestring):
try:
with open(result, 'rb') as fp:
result = buffer(fp.read())
except IOError:
result = self.get_data(record)
return result
def get_client(self, record):
return self.get(record)
def set_client(self, record, value, force_change=False):
_, filename = tempfile.mkstemp(prefix='tryton_')
with open(filename, 'wb') as fp:
fp.write(value or '')
self.set(record, filename)
record.modified_fields.setdefault(self.name)
record.signal('record-modified')
self.sig_changed(record)
record.validate(softvalidation=True)
record.signal('record-changed')
def get_size(self, record):
result = record.value.get(self.name) or 0
if isinstance(result, basestring):
result = os.stat(result).st_size
elif isinstance(result, buffer):
result = len(result)
return result
def get_data(self, record):
if not isinstance(record.value.get(self.name), (basestring, buffer)):
if record.id < 0:
return ''
context = record.context_get()
try:
values, = RPCExecute('model', record.model_name, 'read',
[record.id], [self.name], main_iteration=False,
context=context)
except RPCException:
return ''
_, filename = tempfile.mkstemp(prefix='tryton_')
with open(filename, 'wb') as fp:
fp.write(values[self.name] or '')
self.set(record, filename)
return self.get(record)
class DictField(CharField):
_default = {}
def validation_domains(self, record):
screen_domain, attr_domain = self.domains_get(record)
return screen_domain, screen_domain
def domain_get(self, record):
screen_domain, attr_domain = self.domains_get(record)
return [localize_domain(inverse_leaf(screen_domain)), attr_domain]
TYPES = {
'char': CharField,
'sha': CharField,
'float_time': FloatField,
'integer': IntegerField,
'biginteger': IntegerField,
'float': FloatField,
'numeric': NumericField,
'many2one': M2OField,
'many2many': M2MField,
'one2many': O2MField,
'reference': ReferenceField,
'selection': SelectionField,
'boolean': BooleanField,
'datetime': DateTimeField,
'date': DateField,
'time': TimeField,
'one2one': O2OField,
'binary': BinaryField,
'dict': DictField,
}
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