/usr/lib/python2.7/dist-packages/tryton/gui/window/view_form/model/record.py is in tryton-client 3.8.4-1.
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 tryton.rpc as rpc
from tryton.signal_event import SignalEvent
import tryton.common as common
from tryton.pyson import PYSONDecoder
import field as fields
from functools import reduce
from tryton.common import RPCExecute, RPCException
from tryton.config import CONFIG
class Record(SignalEvent):
id = -1
def __init__(self, model_name, obj_id, group=None):
super(Record, self).__init__()
self.model_name = model_name
if obj_id is None:
self.id = Record.id
else:
self.id = obj_id
if self.id < 0:
Record.id -= 1
self._loaded = set()
self.group = group
if group is not None:
assert model_name == group.model_name
self.state_attrs = {}
self.modified_fields = {}
self._timestamp = None
self.attachment_count = -1
self.next = {} # Used in Group list
self.value = {}
self.autocompletion = {}
self.exception = False
self.destroyed = False
def __getitem__(self, name):
if name not in self._loaded and self.id >= 0:
id2record = {
self.id: self,
}
if name == '*':
loading = reduce(
lambda x, y: 'eager' if x == y == 'eager' else 'lazy',
(field.attrs.get('loading', 'eager')
for field in self.group.fields.itervalues()),
'eager')
# Set a valid name for next loaded check
for fname, field in self.group.fields.iteritems():
if field.attrs.get('loading', 'eager') == loading:
name = fname
break
else:
loading = self.group.fields[name].attrs.get('loading', 'eager')
if loading == 'eager':
fnames = [fname
for fname, field in self.group.fields.iteritems()
if field.attrs.get('loading', 'eager') == 'eager']
else:
fnames = self.group.fields.keys()
fnames = [fname for fname in fnames if fname not in self._loaded]
fnames.extend(('%s.rec_name' % fname for fname in fnames[:]
if self.group.fields[fname].attrs['type']
in ('many2one', 'one2one', 'reference')))
if 'rec_name' not in fnames:
fnames.append('rec_name')
fnames.append('_timestamp')
record_context = self.context_get()
if loading == 'eager':
limit = int(CONFIG['client.limit'] / len(fnames))
def filter_group(record):
return name not in record._loaded and record.id >= 0
def filter_parent_group(record):
return (filter_group(record)
and record.id not in id2record
and ((record.group == self.group)
# Don't compute context for same group
or (record.context_get() == record_context)))
if self.parent and self.parent.model_name == self.model_name:
group = sum(self.parent.group.children, [])
filter_ = filter_parent_group
else:
group = self.group
filter_ = filter_group
if self in group:
idx = group.index(self)
length = len(group)
n = 1
while len(id2record) < limit and (idx - n >= 0
or idx + n < length) and n < 2 * limit:
if idx - n >= 0:
record = group[idx - n]
if filter_(record):
id2record[record.id] = record
if idx + n < length:
record = group[idx + n]
if filter_(record):
id2record[record.id] = record
n += 1
ctx = record_context.copy()
ctx.update(dict(('%s.%s' % (self.model_name, fname), 'size')
for fname, field in self.group.fields.iteritems()
if field.attrs['type'] == 'binary' and fname in fnames))
exception = None
try:
values = RPCExecute('model', self.model_name, 'read',
id2record.keys(), fnames, context=ctx)
except RPCException, exception:
values = [{'id': x} for x in id2record]
default_values = dict((f, None) for f in fnames)
for value in values:
value.update(default_values)
self.exception = True
id2value = dict((value['id'], value) for value in values)
for id, record in id2record.iteritems():
if not record.exception:
record.exception = bool(exception)
value = id2value.get(id)
if record and not record.destroyed and value:
for key in record.modified_fields:
value.pop(key, None)
record.set(value, signal=False)
return self.group.fields.get(name, False)
def __repr__(self):
return '<Record %s@%s at %s>' % (self.id, self.model_name, id(self))
@property
def modified(self):
return bool(self.modified_fields)
@property
def parent(self):
return self.group.parent
@property
def parent_name(self):
return self.group.parent_name
@property
def root_parent(self):
parent = self
while parent.parent:
parent = parent.parent
return parent
@property
def depth(self):
parent = self.parent
i = 0
while parent:
i += 1
parent = parent.parent
return i
def set_modified(self, value):
if value:
self.signal('record-modified')
def children_group(self, field_name):
if not field_name:
return []
self._check_load([field_name])
group = self.value.get(field_name)
if group is None:
return None
if id(group.fields) != id(self.group.fields):
self.group.fields.update(group.fields)
group.fields = self.group.fields
group.on_write = self.group.on_write
group.readonly = self.group.readonly
group._context.update(self.group._context)
return group
def get_path(self, group):
path = []
i = self
child_name = ''
while i:
path.append((child_name, i.id))
if i.group is group:
break
child_name = i.group.child_name
i = i.parent
path.reverse()
return tuple(path)
def get_removed(self):
if self.group is not None:
return self in self.group.record_removed
return False
removed = property(get_removed)
def get_deleted(self):
if self.group is not None:
return self in self.group.record_deleted
return False
deleted = property(get_deleted)
def get_readonly(self):
return self.deleted or self.removed or self.exception
readonly = property(get_readonly)
def fields_get(self):
return self.group.fields
def _check_load(self, fields=None):
if fields is not None:
if not self.get_loaded(fields):
self.reload(fields)
return True
return False
if not self.loaded:
self.reload()
return True
return False
def get_loaded(self, fields=None):
if fields:
return set(fields) <= (self._loaded | set(self.modified_fields))
return set(self.group.fields.keys()) == self._loaded
loaded = property(get_loaded)
def get(self):
value = {}
for name, field in self.group.fields.iteritems():
if field.attrs.get('readonly'):
continue
if field.name not in self.modified_fields and self.id >= 0:
continue
value[name] = field.get(self)
return value
def get_eval(self):
value = {}
for name, field in self.group.fields.iteritems():
if name not in self._loaded and self.id >= 0:
continue
value[name] = field.get_eval(self)
value['id'] = self.id
return value
def get_on_change_value(self, skip=None):
value = {}
for name, field in self.group.fields.iteritems():
if skip and name in skip:
continue
if (self.id >= 0
and (name not in self._loaded
or name not in self.modified_fields)):
continue
value[name] = field.get_on_change_value(self)
value['id'] = self.id
return value
def cancel(self):
self._loaded.clear()
self.modified_fields.clear()
self._timestamp = None
def get_timestamp(self):
result = {self.model_name + ',' + str(self.id): self._timestamp}
for name, field in self.group.fields.iteritems():
if name in self._loaded:
result.update(field.get_timestamp(self))
return result
def pre_validate(self):
if not self.modified_fields:
return True
values = self._get_on_change_args(self.modified_fields)
try:
RPCExecute('model', self.model_name, 'pre_validate', values,
context=self.context_get())
except RPCException:
return False
return True
def save(self, force_reload=True):
if self.id < 0 or self.modified:
if self.id < 0:
value = self.get()
try:
res, = RPCExecute('model', self.model_name, 'create',
[value], context=self.context_get())
except RPCException:
return False
old_id = self.id
self.id = res
self.group.id_changed(old_id)
elif self.modified:
value = self.get()
if value:
context = self.context_get()
context = context.copy()
context['_timestamp'] = self.get_timestamp()
try:
RPCExecute('model', self.model_name, 'write',
[self.id], value, context=context)
except RPCException:
return False
self.cancel()
if force_reload:
self.reload()
if self.group:
self.group.written(self.id)
if self.parent:
self.parent.modified_fields.pop(self.group.child_name, None)
self.parent.save(force_reload=force_reload)
return self.id
@staticmethod
def delete(records):
if not records:
return
record = records[0]
root_group = record.group.root_group
assert all(r.model_name == record.model_name for r in records)
assert all(r.group.root_group == root_group for r in records)
records = [r for r in records if r.id >= 0]
ctx = {}
ctx['_timestamp'] = {}
for rec in records:
ctx['_timestamp'].update(rec.get_timestamp())
record_ids = set(r.id for r in records)
reload_ids = set(root_group.on_write_ids(list(record_ids)))
reload_ids -= record_ids
reload_ids = list(reload_ids)
try:
RPCExecute('model', record.model_name, 'delete', list(record_ids),
context=ctx)
except RPCException:
return False
if reload_ids:
root_group.reload(reload_ids)
return True
def default_get(self):
if len(self.group.fields):
try:
vals = RPCExecute('model', self.model_name, 'default_get',
self.group.fields.keys(), context=self.context_get())
except RPCException:
return
if (self.parent
and self.parent_name in self.group.fields):
parent_field = self.group.fields[self.parent_name]
if isinstance(parent_field, fields.ReferenceField):
vals[self.parent_name] = (
self.parent.model_name, self.parent.id)
elif (self.group.fields[self.parent_name].attrs['relation']
== self.group.parent.model_name):
vals[self.parent_name] = self.parent.id
self.set_default(vals)
for fieldname, fieldinfo in self.group.fields.iteritems():
if not fieldinfo.attrs.get('autocomplete'):
continue
self.do_autocomplete(fieldname)
return vals
def rec_name(self):
try:
return RPCExecute('model', self.model_name, 'read', [self.id],
['rec_name'], context=self.context_get())[0]['rec_name']
except RPCException:
return ''
def validate(self, fields=None, softvalidation=False, pre_validate=None):
if isinstance(fields, list) and fields:
self._check_load(fields)
elif fields is None:
self._check_load()
res = True
for field_name, field in self.group.fields.iteritems():
if fields is not None and field_name not in fields:
continue
if field.get_state_attrs(self).get('readonly', False):
continue
if field_name == self.group.exclude_field:
continue
if not field.validate(self, softvalidation, pre_validate):
res = False
return res
def _get_invalid_fields(self):
fields = {}
for fname, field in self.group.fields.iteritems():
invalid = field.get_state_attrs(self).get('invalid')
if invalid:
fields[fname] = invalid
return fields
invalid_fields = property(_get_invalid_fields)
def context_get(self):
return self.group.context
def set_default(self, val, signal=True):
fieldnames = []
for fieldname, value in val.items():
if fieldname not in self.group.fields:
continue
if fieldname == self.group.exclude_field:
continue
if isinstance(self.group.fields[fieldname], (fields.M2OField,
fields.ReferenceField)):
field_rec_name = fieldname + '.rec_name'
if field_rec_name in val:
self.value[field_rec_name] = val[field_rec_name]
elif field_rec_name in self.value:
del self.value[field_rec_name]
self.group.fields[fieldname].set_default(self, value)
self._loaded.add(fieldname)
fieldnames.append(fieldname)
self.on_change(fieldnames)
self.on_change_with(fieldnames)
self.validate(softvalidation=True)
if signal:
self.signal('record-changed')
def set(self, val, signal=True):
later = {}
for fieldname, value in val.iteritems():
if fieldname == '_timestamp':
# Always keep the older timestamp
if not self._timestamp:
self._timestamp = value
continue
if fieldname not in self.group.fields:
if fieldname == 'rec_name':
self.value['rec_name'] = value
continue
if isinstance(self.group.fields[fieldname], fields.O2MField):
later[fieldname] = value
continue
if isinstance(self.group.fields[fieldname], (fields.M2OField,
fields.ReferenceField)):
field_rec_name = fieldname + '.rec_name'
if field_rec_name in val:
self.value[field_rec_name] = val[field_rec_name]
elif field_rec_name in self.value:
del self.value[field_rec_name]
self.group.fields[fieldname].set(self, value)
self._loaded.add(fieldname)
for fieldname, value in later.iteritems():
self.group.fields[fieldname].set(self, value)
self._loaded.add(fieldname)
if signal:
self.signal('record-changed')
def set_on_change(self, values):
for fieldname, value in values.items():
if fieldname not in self.group.fields:
continue
if isinstance(self.group.fields[fieldname], (fields.M2OField,
fields.ReferenceField)):
field_rec_name = fieldname + '.rec_name'
if field_rec_name in values:
self.value[field_rec_name] = values[field_rec_name]
elif field_rec_name in self.value:
del self.value[field_rec_name]
self.group.fields[fieldname].set_on_change(self, value)
def reload(self, fields=None):
if self.id < 0:
return
if not fields:
self['*']
else:
for field in fields:
self[field]
self.validate(fields or [])
def expr_eval(self, expr):
if not isinstance(expr, basestring):
return expr
ctx = rpc.CONTEXT.copy()
ctx['context'] = ctx.copy()
ctx['context'].update(self.context_get())
ctx.update(self.get_eval())
ctx['active_model'] = self.model_name
ctx['active_id'] = self.id
ctx['_user'] = rpc._USER
if self.parent and self.parent_name:
ctx['_parent_' + self.parent_name] = \
common.EvalEnvironment(self.parent)
val = PYSONDecoder(ctx).decode(expr)
return val
def _get_on_change_args(self, args):
res = {}
values = common.EvalEnvironment(self, 'on_change')
for arg in args:
scope = values
for i in arg.split('.'):
if i not in scope:
break
scope = scope[i]
else:
res[arg] = scope
res['id'] = self.id
return res
def on_change(self, fieldnames):
values = {}
for fieldname in fieldnames:
on_change = self.group.fields[fieldname].attrs.get('on_change')
if not on_change:
continue
values.update(self._get_on_change_args(on_change))
if values:
try:
changes = RPCExecute('model', self.model_name, 'on_change',
values, fieldnames, context=self.context_get())
except RPCException:
return
for change in changes:
self.set_on_change(change)
def on_change_with(self, field_names):
field_names = set(field_names)
fieldnames = set()
values = {}
later = set()
for fieldname in self.group.fields:
on_change_with = self.group.fields[fieldname].attrs.get(
'on_change_with')
if not on_change_with:
continue
if not field_names & set(on_change_with):
continue
if fieldnames & set(on_change_with):
later.add(fieldname)
continue
fieldnames.add(fieldname)
values.update(self._get_on_change_args(on_change_with))
if isinstance(self.group.fields[fieldname], (fields.M2OField,
fields.ReferenceField)):
field_rec_name = fieldname + '.rec_name'
if field_rec_name in self.value:
del self.value[field_rec_name]
if fieldnames:
try:
result = RPCExecute('model', self.model_name, 'on_change_with',
values, list(fieldnames), context=self.context_get())
except RPCException:
return
self.set_on_change(result)
for fieldname in later:
on_change_with = self.group.fields[fieldname].attrs.get(
'on_change_with')
values = self._get_on_change_args(on_change_with)
try:
result = RPCExecute('model', self.model_name,
'on_change_with_' + fieldname, values,
context=self.context_get())
except RPCException:
return
self.group.fields[fieldname].set_on_change(self, result)
def autocomplete_with(self, field_name):
for fieldname, fieldinfo in self.group.fields.iteritems():
autocomplete = fieldinfo.attrs.get('autocomplete', [])
if field_name not in autocomplete:
continue
self.do_autocomplete(fieldname)
def do_autocomplete(self, fieldname):
self.autocompletion[fieldname] = []
autocomplete = self.group.fields[fieldname].attrs['autocomplete']
args = self._get_on_change_args(autocomplete)
try:
res = RPCExecute('model', self.model_name, 'autocomplete_' +
fieldname, args, context=self.context_get())
except RPCException:
# ensure res is a list
res = []
self.autocompletion[fieldname] = res
def set_field_context(self):
from .group import Group
for name, field in self.group.fields.iteritems():
value = self.value.get(name)
if not isinstance(value, Group):
continue
context = field.attrs.get('context')
if context:
value.context = self.expr_eval(context)
def get_attachment_count(self, reload=False):
if self.id < 0:
return 0
if self.attachment_count < 0 or reload:
try:
self.attachment_count = RPCExecute('model', 'ir.attachment',
'search_count', [
('resource', '=',
'%s,%s' % (self.model_name, self.id)),
], context=self.context_get())
except RPCException:
return 0
return self.attachment_count
def destroy(self):
for v in self.value.itervalues():
if hasattr(v, 'destroy'):
v.destroy()
super(Record, self).destroy()
self.destroyed = True
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