/usr/share/pyshared/tryton/gui/window/view_form/model/group.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.
try:
from weakref import WeakSet
except ImportError:
from weakrefset import WeakSet
from record import Record
from field import Field, O2MField
from tryton.signal_event import SignalEvent
from tryton.common.domain_inversion import is_leaf
from tryton.common import RPCExecute, RPCException, MODELACCESS
class Group(SignalEvent, list):
def __init__(self, model_name, fields, ids=None, parent=None,
parent_name='', child_name='', context=None, domain=None,
readonly=False, parent_datetime_field=None):
super(Group, self).__init__()
if domain is None:
domain = []
self.__domain = domain
self.__domain4inversion = None
self.lock_signal = False
self.parent = parent
self.parent_name = parent_name or ''
self.children = []
self.child_name = child_name
self.parent_datetime_field = parent_datetime_field
self._context = context or {}
self.model_name = model_name
self.fields = {}
self.load_fields(fields)
self.current_idx = None
self.load(ids)
self.record_deleted, self.record_removed = [], []
self.on_write = set()
self.__readonly = readonly
self.__id2record = {}
self.__field_childs = None
self.exclude_field = None
self.pool = WeakSet()
self.skip_model_access = False
if self.parent and self.parent.model_name == model_name:
self.parent.group.children.append(self)
@property
def readonly(self):
# Must skip res.user for Preference windows
if (self._context.get('_datetime')
or (not MODELACCESS[self.model_name]['write']
and not self.skip_model_access)):
return True
return self.__readonly
@readonly.setter
def readonly(self, value):
self.__readonly = value
@property
def domain(self):
if self.parent and self.child_name:
field = self.parent.group.fields[self.child_name]
return [self.__domain, field.domain_get(self.parent)]
return self.__domain
def clean4inversion(self, domain):
"This method will replace non relevant fields for domain inversion"
if domain in ([], ()):
return []
head, tail = domain[0], domain[1:]
if head in ('AND', 'OR'):
pass
elif is_leaf(head):
field = head[0]
if (field in self.fields
and self.fields[field].attrs.get('readonly')):
head = []
else:
head = self.clean4inversion(head)
return [head] + self.clean4inversion(tail)
def __get_domain4inversion(self):
if self.__domain4inversion is None:
self.__domain4inversion = self.clean4inversion(self.domain)
return self.__domain4inversion
domain4inversion = property(__get_domain4inversion)
def insert(self, pos, record):
assert record.group is self
if pos >= 1:
self.__getitem__(pos - 1).next[id(self)] = record
if pos < self.__len__():
record.next[id(self)] = self.__getitem__(pos)
else:
record.next[id(self)] = None
super(Group, self).insert(pos, record)
self.__id2record[record.id] = record
if not self.lock_signal:
self.signal('group-list-changed', ('record-added', record))
def append(self, record):
assert record.group is self
if self.__len__() >= 1:
self.__getitem__(self.__len__() - 1).next[id(self)] = record
record.next[id(self)] = None
super(Group, self).append(record)
self.__id2record[record.id] = record
if not self.lock_signal:
self.signal('group-list-changed', ('record-added', record))
def _remove(self, record):
idx = self.index(record)
if idx >= 1:
if idx + 1 < self.__len__():
self.__getitem__(idx - 1).next[id(self)] = \
self.__getitem__(idx + 1)
else:
self.__getitem__(idx - 1).next[id(self)] = None
self.signal('group-list-changed', ('record-removed', record))
super(Group, self).remove(record)
del self.__id2record[record.id]
def clear(self):
for record in self[:]:
self.signal('group-list-changed', ('record-removed', record))
record.destroy()
self.pop(0)
self.__id2record = {}
self.record_removed, self.record_deleted = [], []
def move(self, record, pos):
if self.__len__() > pos >= 0:
idx = self.index(record)
self._remove(record)
if pos > idx:
pos -= 1
self.insert(pos, record)
else:
self._remove(record)
self.append(record)
def __setitem__(self, i, value):
super(Group, self).__setitem__(i, value)
if not self.lock_signal:
self.signal('group-list-changed', ('record-changed', i))
def __repr__(self):
return '<Group %s at %s>' % (self.model_name, id(self))
def load_fields(self, fields):
for name, attr in fields.iteritems():
field = Field(attr['type'])
attr['name'] = name
self.fields[name] = field(attr)
if isinstance(self.fields[name], O2MField) \
and '_datetime' in self._context:
self.fields[name].context.update({
'_datetime': self._context['_datetime'],
})
def save(self):
saved = []
for record in self:
saved.append(record.save(force_reload=False))
if self.record_deleted:
self.delete(self.record_deleted)
return saved
def delete(self, records):
return Record.delete(records)
@property
def root_group(self):
root = self
parent = self.parent
while parent:
root = parent.group
parent = parent.parent
return root
def written(self, ids):
if isinstance(ids, (int, long)):
ids = [ids]
ids = [x for x in self.on_write_ids(ids) or [] if x not in ids]
if not ids:
return
self.root_group.reload(ids)
return ids
def reload(self, ids):
for child in self.children:
child.reload(ids)
for id_ in ids:
record = self.get(id_)
if record and not record.modified:
record._loaded.clear()
def on_write_ids(self, ids):
if not self.on_write:
return []
res = []
for fnct in self.on_write:
try:
res += RPCExecute('model', self.model_name, fnct, ids,
main_iteration=False, context=self.context)
except RPCException:
return []
return list({}.fromkeys(res))
def load(self, ids, modified=False):
if not ids:
return True
if len(ids) > 1:
self.lock_signal = True
new_records = []
for id in ids:
new_record = self.get(id)
if not new_record:
new_record = Record(self.model_name, id, group=self)
self.append(new_record)
new_record.signal_connect(self, 'record-changed',
self._record_changed)
new_record.signal_connect(self, 'record-modified',
self._record_modified)
new_records.append(new_record)
# Remove previously removed or deleted records
for record in self.record_removed[:]:
if record.id in ids:
self.record_removed.remove(record)
for record in self.record_deleted[:]:
if record.id in ids:
self.record_deleted.remove(record)
if self.lock_signal:
self.lock_signal = False
self.signal('group-cleared')
if new_records and modified:
new_records[0].signal('record-modified')
new_records[0].signal('record-changed')
self.current_idx = 0
return True
def _get_context(self):
ctx = self._context.copy()
if self.parent:
ctx.update(self.parent.context_get())
if self.child_name in self.parent.group.fields:
field = self.parent.group.fields[self.child_name]
ctx.update(field.context_get(self.parent))
ctx.update(self._context)
if self.parent_datetime_field:
ctx['_datetime'] = self.parent.get_eval(
)[self.parent_datetime_field]
return ctx
context = property(_get_context)
def add(self, record, position=-1):
if record.group is not self:
record.signal_unconnect(record.group)
record.group = self
record.signal_connect(self, 'record-changed', self._record_changed)
record.signal_connect(self, 'record-modified',
self._record_modified)
if position == -1:
self.append(record)
else:
self.insert(position, record)
for record_rm in self.record_removed:
if record_rm.id == record.id:
self.record_removed.remove(record)
for record_del in self.record_deleted:
if record_del.id == record.id:
self.record_deleted.remove(record)
self.current_idx = position
record.modified_fields.setdefault('id')
record.signal('record-modified')
self.signal('group-changed', record)
return record
def set_sequence(self, field='sequence'):
index = 0
changed = False
for record in self:
if record[field]:
if index >= record[field].get(record):
index += 1
record.signal_unconnect(self, 'record-changed')
try:
record[field].set_client(record, index)
finally:
record.signal_connect(self, 'record-changed',
self._record_changed)
changed = record
else:
index = record[field].get(record)
if changed:
self.signal('group-changed', changed)
def new(self, default=True, obj_id=None):
record = Record(self.model_name, obj_id, group=self)
if default:
record.default_get()
record.signal_connect(self, 'record-changed', self._record_changed)
record.signal_connect(self, 'record-modified', self._record_modified)
return record
def unremove(self, record, signal=True):
if record in self.record_removed:
self.record_removed.remove(record)
if record in self.record_deleted:
self.record_deleted.remove(record)
if signal:
record.signal('record-changed', record.parent)
def remove(self, record, remove=False, modified=True, signal=True,
force_remove=False):
idx = self.index(record)
if self[idx].id >= 0:
if remove:
if self[idx] in self.record_deleted:
self.record_deleted.remove(self[idx])
self.record_removed.append(self[idx])
else:
if self[idx] in self.record_removed:
self.record_removed.remove(self[idx])
self.record_deleted.append(self[idx])
if record.parent:
record.parent.modified_fields.setdefault('id')
record.parent.signal('record-modified')
if modified:
record.modified_fields.setdefault('id')
record.signal('record-modified')
if not record.parent or self[idx].id < 0 or force_remove:
self._remove(self[idx])
if len(self):
self.current_idx = min(idx, len(self) - 1)
else:
self.current_idx = None
if signal:
record.signal('record-changed', record.parent)
def _record_changed(self, record, signal_data):
self.signal('group-changed', record)
def _record_modified(self, record, signal_data):
self.signal('record-modified', record)
def prev(self):
if len(self) and self.current_idx is not None:
self.current_idx = (self.current_idx - 1) % len(self)
elif len(self):
self.current_idx = 0
else:
return None
return self[self.current_idx]
def next(self):
if len(self) and self.current_idx is not None:
self.current_idx = (self.current_idx + 1) % len(self)
elif len(self):
self.current_idx = 0
else:
return None
return self[self.current_idx]
def add_fields(self, fields, signal=True):
to_add = {}
for name, attr in fields.iteritems():
if name not in self.fields:
to_add[name] = attr
else:
self.fields[name].attrs.update(attr)
self.load_fields(to_add)
if not len(self):
return True
new = []
for record in self:
if record.id < 0:
new.append(record)
if len(new) and len(to_add):
try:
values = RPCExecute('model', self.model_name, 'default_get',
to_add.keys(), main_iteration=False, context=self.context)
except RPCException:
return False
for name in to_add:
if name not in values:
values[name] = False
for record in new:
record.set_default(values, signal=signal)
def get(self, id):
'Return record with the id'
return self.__id2record.get(id)
def id_changed(self, old_id):
'Update index for old id'
record = self.__id2record[old_id]
self.__id2record[record.id] = record
del self.__id2record[old_id]
def destroy(self):
if self.parent:
try:
self.parent.group.children.remove(self)
except ValueError:
pass
self.clear()
super(Group, self).destroy()
self.parent = None
def get_by_path(self, path):
'return record by path'
group = self
record = None
for child_name, id_ in path:
record = group.get(id_)
if not record:
return None
if not child_name:
continue
record[child_name]
group = record.value.get(child_name)
if not isinstance(group, Group):
return None
return record
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