686 lines
24 KiB
Python
686 lines
24 KiB
Python
#This file is part of Tryton. The COPYRIGHT file at the top level of
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#this repository contains the full copyright notices and license terms.
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"""
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Fields:
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- simple
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- relations (one2many, many2one, many2many)
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- function
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Fields Attributes:
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_classic_read: is a classic sql fields
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_type : field type
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readonly
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required
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size
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Relationals fields
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Values: ('create', { fields }) create
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('write', ids, { fields }) modification
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('delete', ids) remove (delete)
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('unlink', ids) unlink one (target id or target of relation)
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('add', ids) link
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('unlink_all') unlink all
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('set', ids) set a list of links
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"""
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import psycopg2
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import warnings
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import __builtin__
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import sha
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import inspect
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def _symbol_f(symb):
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if symb is None or symb == False:
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return None
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elif isinstance(symb, str):
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return unicode(symb, 'utf-8')
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elif isinstance(symb, unicode):
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return symb
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return unicode(symb)
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class Column(object):
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_classic_read = True
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_classic_write = True
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_properties = False
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_type = 'unknown'
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_obj = None
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_symbol_c = '%s'
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_symbol_f = _symbol_f
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_symbol_set = (_symbol_c, _symbol_f)
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_symbol_get = None
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def __init__(self, string='unknown', required=False, readonly=False,
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domain=None, context='', states=None, priority=0,
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change_default=False, size=None, ondelete="SET NULL",
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translate=False, select=0, on_change=None, on_change_with=None,
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**args):
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self.states = states or {}
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self.string = string
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self.readonly = readonly
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self.required = required
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self.size = size
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self.help = args.get('help', '')
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self.priority = priority
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self.change_default = change_default
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self.ondelete = ondelete
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self.translate = translate
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self._domain = domain or []
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self._context = context
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if select not in (0, 1, 2):
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raise Exception('Error', 'Select must be one of 0, 1, 2')
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self.select = select
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self.on_change = on_change
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self.on_change_with = on_change_with
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self.order_field = None
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for i in args:
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if args[i]:
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setattr(self, i, args[i])
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def set(self, cursor, obj, obj_id, name, value, user=None, context=None):
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raise Exception('undefined get method!')
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def get(self, cursor, obj, ids, name, user=None, offset=0, context=None,
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values=None):
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raise Exception('undefined get method!')
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def sql_type(self):
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raise Exception('undefined sql_type method!')
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class Boolean(Column):
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_type = 'boolean'
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_symbol_c = '%s'
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_symbol_f = lambda x: x and 'True' or 'False'
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_symbol_set = (_symbol_c, _symbol_f)
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def sql_type(self):
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return ('bool', 'bool')
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class Integer(Column):
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_type = 'integer'
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_symbol_c = '%s'
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_symbol_f = lambda x: int(x or 0)
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_symbol_set = (_symbol_c, _symbol_f)
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def sql_type(self):
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return ('int4', 'int4')
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class BigInteger(Integer):
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_type = 'biginteger'
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def sql_type(self):
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return ('int8', 'int8')
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class Reference(Column):
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_type = 'reference'
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_classic_read = False
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def __init__(self, string, selection, size=None, **args):
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Column.__init__(self, string=string, size=size, selection=selection,
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**args)
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def get(self, cursor, obj, ids, name, user=None, offset=0, context=None,
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values=None):
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if values is None:
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values = {}
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res = {}
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for i in values:
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res[i['id']] = i[name]
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for i in ids:
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if not (i in res):
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res[i] = False
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continue
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if not res[i]:
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continue
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ref_model, ref_id = res[i].split(',', 1)
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if not ref_model:
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continue
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ref_obj = obj.pool.get(ref_model)
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if not ref_obj:
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continue
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try:
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ref_id = eval(ref_id)
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except:
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pass
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try:
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ref_id = int(ref_id)
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except:
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continue
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if ref_id \
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and not ref_obj.search(cursor, user, [
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('id', '=', ref_id),
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], context=context):
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ref_id = False
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if ref_id:
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ref_name = ref_obj.name_get(cursor, user, ref_id,
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context=context)
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if ref_name:
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ref_name = ref_name[0][1]
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else:
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ref_name = ''
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else:
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ref_name = ''
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res[i] = ref_model + ',(' + str(ref_id) + ',"' + ref_name + '")'
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return res
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def sql_type(self):
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if self.size:
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return ('varchar', 'varchar(%d)' % (self.size,))
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else:
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return ('varchar', 'varchar')
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class Char(Column):
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_type = 'char'
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def __init__(self, string, size=None, **args):
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Column.__init__(self, string=string, size=size, **args)
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def sql_type(self):
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if self.size:
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return ('varchar', 'varchar(%d)' % (self.size,))
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else:
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return ('varchar', 'varchar')
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class Sha(Column):
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_type = 'sha'
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def __init__(self, string, **args):
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Column.__init__(self, string=string, size=40, **args)
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self._symbol_f = lambda x: x and sha.new(x).hexdigest() or ''
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self._symbol_set = (self._symbol_c, self._symbol_f)
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def sql_type(self):
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return ('varchar', 'varchar(40)')
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class Text(Column):
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_type = 'text'
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def sql_type(self):
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return ('text', 'text')
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class Float(Column):
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_type = 'float'
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_symbol_c = '%s'
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_symbol_f = lambda x: __builtin__.float(x or 0.0)
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_symbol_set = (_symbol_c, _symbol_f)
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def __init__(self, string='unknown', digits=None, **args):
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Column.__init__(self, string=string, **args)
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self.digits = digits
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def sql_type(self):
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return ('float8', 'float8')
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class Numeric(Float):
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_type = 'numeric'
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def sql_type(self):
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return ('numeric', 'numeric')
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class Date(Column):
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_type = 'date'
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def sql_type(self):
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return ('date', 'date')
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class DateTime(Column):
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_type = 'datetime'
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def sql_type(self):
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return ('timestamp', 'timestamp(0)')
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class Time(Column):
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_type = 'time'
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def sql_type(self):
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return ('time', 'time')
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class Binary(Column):
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_type = 'binary'
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_symbol_c = '%s'
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_symbol_f = lambda symb: symb and psycopg2.Binary(symb) or None
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_symbol_set = (_symbol_c, _symbol_f)
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_symbol_get = lambda self, symb: symb and str(symb) or None
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def sql_type(self):
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return ('bytea', 'bytea')
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class Selection(Column):
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_type = 'selection'
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def __init__(self, selections, string='unknown', sort=True, **args):
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"""
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selections is a list of (key, string)
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or the name of the object function that return the list
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"""
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self.sort = sort
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Column.__init__(self, string=string, selection=selections,
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**args)
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def sql_type(self):
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if self.size:
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return ('varchar', 'varchar(%d)' % (self.size,))
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else:
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return ('varchar', 'varchar')
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class Many2One(Column):
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_classic_read = False
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_classic_write = True
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_type = 'many2one'
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_symbol_c = '%s'
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_symbol_f = lambda x: x and int(x) or None
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_symbol_set = (_symbol_c, _symbol_f)
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def __init__(self, obj, string='unknown', left=None, right=None, **args):
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Column.__init__(self, string=string, **args)
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self._obj = obj
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self.left = left
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self.right = right
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def get(self, cursor, obj, ids, name, user=None, offset=0, context=None,
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values=None):
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if values is None:
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values = {}
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res = {}
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for i in values:
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res[i['id']] = i[name]
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for i in ids:
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res.setdefault(i, '')
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obj = obj.pool.get(self._obj)
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obj_names = {}
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for obj_id, name in obj.name_get(cursor, user,
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[ x for x in res.values() if x],
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context=context):
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obj_names[obj_id] = name
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for i in res.keys():
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if res[i] and res[i] in obj_names:
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res[i] = (res[i], obj_names[res[i]])
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else:
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res[i] = False
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return res
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def set(self, cursor, obj_src, obj_id, field, values, user=None,
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context=None):
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obj = obj_src.pool.get(self._obj)
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table = obj_src.pool.get(self._obj)._table
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if type(values) == type([]):
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for act in values:
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if act[0] == 'create':
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id_new = obj.create(cursor, user, act[2], context=context)
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cursor.execute('UPDATE "' + obj_src._table + '" ' \
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'SET "' + field + '" = %s ' \
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'WHERE id = %s', (id_new, obj_id))
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elif act[0] == 'write':
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obj.write(cursor, act[1], act[2], context=context)
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elif act[0] == 'delete':
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obj.delete(cursor, user, act[1], context=context)
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cursor.execute('DELETE FROM "' + table + '" ' \
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'WHERE id = %s', (act[1],))
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elif act[0] == 'unlink' or act[0] == 'unlink_all':
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cursor.execute('UPDATE "' + obj_src._table + '" ' \
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'SET "' + field + '" = NULL ' \
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'WHERE id = %s', (obj_id,))
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elif act[0] == 'add':
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cursor.execute('UPDATE "' + obj_src._table + '" ' \
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'SET "' + field + '" = %s ' \
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'WHERE id = %s', (act[1], obj_id))
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else:
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if values:
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cursor.execute('UPDATE "' + obj_src._table + '" ' \
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'SET "' + field + '" = %s ' \
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'WHERE id = %s', (values, obj_id))
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else:
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cursor.execute('UPDATE "' + obj_src._table + '" ' \
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'SET "' + field + '" = NULL ' \
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'WHERE id = %s', (obj_id,))
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def sql_type(self):
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return ('int4', 'int4')
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class One2Many(Column):
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_classic_read = False
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_classic_write = False
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_type = 'one2many'
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def __init__(self, obj, field, string='unknown', limit=None, order=None,
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**args):
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Column.__init__(self, string=string, **args)
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self._obj = obj
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self._field = field
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self._limit = limit
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self._order = order
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#one2many can't be used as condition for defaults
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assert(self.change_default != True)
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def get(self, cursor, obj, ids, name, user=None, offset=0, context=None,
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values=None):
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res = {}
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for i in ids:
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res[i] = []
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ids2 = []
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for i in range(0, len(ids), cursor.IN_MAX):
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sub_ids = ids[i:i + cursor.IN_MAX]
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ids2 += obj.pool.get(self._obj).search(cursor, user,
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[(self._field, 'in', sub_ids)], order=self._order,
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context=context)
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if self._limit and len(ids2) > offset + self._limit:
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break
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if offset:
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ids2 = ids2[offset:]
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if self._limit:
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ids2 = ids2[:self._limit]
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for i in obj.pool.get(self._obj)._read_flat(cursor, user, ids2,
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[self._field], context=context, load='_classic_write'):
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res[i[self._field]].append( i['id'] )
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return res
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def set(self, cursor, obj, obj_id, field, values, user=None, context=None):
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if not values:
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return
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_table = obj.pool.get(self._obj)._table
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obj = obj.pool.get(self._obj)
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for act in values:
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if act[0] == 'create':
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act[1][self._field] = obj_id
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obj.create(cursor, user, act[1], context=context)
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elif act[0] == 'write':
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act[2][self._field] = obj_id
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obj.write(cursor, user, act[1] , act[2], context=context)
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elif act[0] == 'delete':
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obj.delete(cursor, user, act[1], context=context)
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elif act[0] == 'unlink':
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if isinstance(act[1], (int, long)):
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ids = [act[1]]
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else:
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ids = list(act[1])
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if not ids:
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continue
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cursor.execute('UPDATE "' + _table + '" ' \
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'SET "' + self._field + '" = NULL ' \
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'WHERE id IN (' \
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+ ','.join(['%s' for x in ids]) + ') ' \
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'AND "' + self._field + '" = %s',
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ids + [obj_id])
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elif act[0] == 'add':
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if isinstance(act[1], (int, long)):
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ids = [act[1]]
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else:
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ids = list(act[1])
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cursor.execute('UPDATE "' + _table + '" ' \
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'SET "' + self._field + '" = %s ' \
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'WHERE id IN (' \
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+ ','.join(['%s' for x in ids]) + ')',
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[obj_id] + ids)
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elif act[0] == 'unlink_all':
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cursor.execute('UPDATE "' + _table + '" ' \
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'SET "' + self._field + '" = NULL ' \
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'WHERE "' + self._field + '" = %s', (obj_id,))
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elif act[0] == 'set':
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if not act[1]:
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ids = [0]
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else:
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ids = list(act[1])
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cursor.execute('UPDATE "' + _table + '" ' \
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'SET "' + self._field + '" = NULL ' \
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'WHERE "' + self._field + '" = %s ' \
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'AND id not IN (' + \
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','.join(['%s' for x in ids]) + ')',
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[obj_id] + ids)
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if act[1]:
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cursor.execute('UPDATE "' + _table + '" ' \
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'SET "' + self._field + '" = %s ' \
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'WHERE id IN (' + \
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','.join(['%s' for x in ids]) + ')',
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[obj_id] + ids)
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else:
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raise Exception('Bad arguments')
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class Many2Many(Column):
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_classic_read = False
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_classic_write = False
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_type = 'many2many'
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def __init__(self, obj, rel, origin, target, string='unknown', limit=None,
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order=None, ondelete_origin='CASCADE', ondelete_target='RESTRICT',
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**args):
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Column.__init__(self, string=string, **args)
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self._obj = obj
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self._rel = rel
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self.origin = origin
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self.ondelete_origin = ondelete_origin
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self.target = target
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self.ondelete_target = ondelete_target
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self._limit = limit
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self._order = order
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def get(self, cursor, obj, ids, name, user=None, offset=0, context=None,
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values=None):
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if values is None:
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values = {}
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res = {}
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if not ids:
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return res
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for i in ids:
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res[i] = []
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ids_s = ','.join([str(x) for x in ids])
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limit_str = self._limit is not None and ' limit %s' % self._limit or ''
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obj = obj.pool.get(self._obj)
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domain1, domain2 = obj.pool.get('ir.rule').domain_get(cursor,
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user, obj._name)
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if domain1:
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domain1 = ' and '+domain1
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#TODO fix order: can have many fields
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cursor.execute('SELECT ' + self._rel + '.' + self.target + ', ' + \
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self._rel + '.' + self.origin + ' ' \
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'FROM "' + self._rel + '" , "' + obj._table + '" ' \
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'WHERE ' + \
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self._rel + '.' + self.origin + ' IN (' + ids_s + ') ' \
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'AND ' + self._rel + '.' + self.target + ' = ' + \
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obj._table + '.id ' + domain1 + \
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limit_str + ' ORDER BY ' + \
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','.join([obj._table + '.' + x[0] + ' ' + x[1] \
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for x in (self._order or obj._order)]) + \
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' OFFSET %s', domain2 + [offset])
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for i in cursor.fetchall():
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res[i[1]].append(i[0])
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return res
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def set(self, cursor, obj, obj_id, name, values, user=None, context=None):
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if not values:
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return
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obj = obj.pool.get(self._obj)
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for act in values:
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if act[0] == 'create':
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idnew = obj.create(cursor, user, act[1], context=context)
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cursor.execute('INSERT INTO "' + self._rel + '" ' \
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'(' + self.origin + ', ' + self.target + ') ' \
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'VALUES (%s, %s)', (obj_id, idnew))
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elif act[0] == 'write':
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obj.write(cursor, user, act[1] , act[2], context=context)
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elif act[0] == 'delete':
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obj.delete(cursor, user, act[1], context=context)
|
|
elif act[0] == 'unlink':
|
|
if isinstance(act[1], (int, long)):
|
|
ids = [act[1]]
|
|
else:
|
|
ids = list(act[1])
|
|
if not ids:
|
|
continue
|
|
cursor.execute('DELETE FROM "' + self._rel + '" ' \
|
|
'WHERE "' + self.origin + '" = %s ' \
|
|
'AND "'+ self.target + '" IN (' \
|
|
+ ','.join(['%s' for x in ids]) + ')',
|
|
[obj_id] + ids)
|
|
elif act[0] == 'add':
|
|
if isinstance(act[1], (int, long)):
|
|
ids = [act[1]]
|
|
else:
|
|
ids = list(act[1])
|
|
cursor.execute('SELECT "' + self.target + '" ' \
|
|
'FROM "' + self._rel + '" ' \
|
|
'WHERE ' + self.origin + ' = %s ' \
|
|
'AND ' + self.target + ' IN (' + \
|
|
','.join(['%s' for x in ids]) + ')',
|
|
[obj_id] + ids)
|
|
existing_ids = []
|
|
for row in cursor.fetchall():
|
|
existing_ids.append(row[0])
|
|
new_ids = [x for x in ids if x not in existing_ids]
|
|
for new_id in new_ids:
|
|
cursor.execute('INSERT INTO "' + self._rel + '" ' \
|
|
'("' + self.origin + '", "' + self.target + '") ' \
|
|
'VALUES (%s, %s)', (obj_id, new_id))
|
|
elif act[0] == 'unlink_all':
|
|
cursor.execute('UPDATE "' + self._rel + '" ' \
|
|
'SET "' + self.target + '" = NULL ' \
|
|
'WHERE "' + self.target + '" = %s', (obj_id,))
|
|
elif act[0] == 'set':
|
|
if not act[1]:
|
|
ids = []
|
|
else:
|
|
ids = list(act[1])
|
|
domain1, domain2 = obj.pool.get('ir.rule').domain_get(cursor,
|
|
user, obj._name)
|
|
if domain1:
|
|
domain1 = ' AND ' + domain1
|
|
cursor.execute('DELETE FROM "' + self._rel + '" ' \
|
|
'WHERE "' + self.origin + '" = %s ' \
|
|
'AND "' + self.target + '" IN (' \
|
|
'SELECT ' + self._rel + '.' + self.target + ' ' \
|
|
'FROM "' + self._rel + '", "' + obj._table + '" ' \
|
|
'WHERE ' + self._rel + '.' + self.origin + ' = %s ' \
|
|
'AND ' + self._rel + '.' + self.target + ' = ' + \
|
|
obj._table + '.id ' + domain1 + ')',
|
|
[obj_id, obj_id] + domain2)
|
|
|
|
for new_id in ids:
|
|
cursor.execute('INSERT INTO "' + self._rel + '" ' \
|
|
'("' + self.origin + '", "' + self.target + '") ' \
|
|
'VALUES (%s, %s)', (obj_id, new_id))
|
|
else:
|
|
raise Exception('Bad arguments')
|
|
|
|
|
|
class Function(Column):
|
|
_classic_read = False
|
|
_classic_write = False
|
|
_properties = True
|
|
|
|
def __init__(self, fnct, arg=None, fnct_inv='', fnct_inv_arg=None,
|
|
type='float', fnct_search='', obj=None, **args):
|
|
Column.__init__(self, **args)
|
|
self._obj = obj
|
|
self._fnct = fnct
|
|
self._fnct_inv = fnct_inv
|
|
self._arg = arg
|
|
self._field = ''
|
|
self._obj = ''
|
|
if 'relation' in args:
|
|
self._obj = args['relation']
|
|
self._fnct_inv_arg = fnct_inv_arg
|
|
if not fnct_inv:
|
|
self.readonly = 1
|
|
self._type = type
|
|
self._fnct_search = fnct_search
|
|
self._symbol_c = _TYPE2CLASS[self._type]._symbol_c
|
|
self._symbol_f = _TYPE2CLASS[self._type]._symbol_f
|
|
self._symbol_set = (self._symbol_c, self._symbol_f)
|
|
|
|
def search(self, cursor, user, obj, name, args, context=None):
|
|
if not self._fnct_search:
|
|
return []
|
|
return getattr(obj, self._fnct_search)(cursor, user, name, args,
|
|
context=context)
|
|
|
|
def get(self, cursor, obj, ids, name, user=None, offset=0, context=None,
|
|
values=None):
|
|
if isinstance(name, list):
|
|
names = name
|
|
# Test is the function works with a list of names
|
|
if 'names' in inspect.getargspec(getattr(obj, self._fnct))[0]:
|
|
return getattr(obj, self._fnct)(cursor, user, ids, names,
|
|
self._arg, context=context)
|
|
res = {}
|
|
for name in names:
|
|
res[name] = getattr(obj, self._fnct)(cursor, user, ids, name,
|
|
self._arg, context=context)
|
|
return res
|
|
else:
|
|
# Test is the function works with a list of names
|
|
if 'names' in inspect.getargspec(getattr(obj, self._fnct))[0]:
|
|
name = [name]
|
|
return getattr(obj, self._fnct)(cursor, user, ids, name, self._arg,
|
|
context=context)
|
|
|
|
def set(self, cursor, obj, obj_id, name, value, user=None, context=None):
|
|
if self._fnct_inv:
|
|
getattr(obj, self._fnct_inv)(cursor, user, obj_id, name, value,
|
|
self._fnct_inv_arg, context=context)
|
|
|
|
|
|
class Property(Function):
|
|
|
|
def _fnct_write(self, obj, cursor, user, obj_id, prop, id_val, val,
|
|
context=None):
|
|
property_obj = obj.pool.get('ir.property')
|
|
return property_obj.set(cursor, user, prop, obj._name, obj_id,
|
|
(id_val and val + ',' + str(id_val)) or False, context=context)
|
|
|
|
def _fnct_read(self, obj, cursor, user, ids, prop, arg, context=None):
|
|
property_obj = obj.pool.get('ir.property')
|
|
res = property_obj.get(cursor, user, prop, obj._name, ids,
|
|
context=context)
|
|
|
|
if self._obj:
|
|
obj = obj.pool.get(self._obj)
|
|
obj_names = {}
|
|
for obj_id, obj_name in obj.name_get(cursor, user,
|
|
[x for x in res.values() if x], context=context):
|
|
obj_names[obj_id] = obj_name
|
|
for i in ids:
|
|
if res.get(i) and res[i] in obj_names:
|
|
res[i] = (res[i], obj_names[res[i]])
|
|
else:
|
|
res[i] = False
|
|
return res
|
|
|
|
def __init__(self, **args):
|
|
super(Property, self).__init__('', None, self._fnct_write, None, **args)
|
|
|
|
def get(self, cursor, obj, ids, name, user=None, offset=0, context=None,
|
|
values=None):
|
|
return self._fnct_read(obj, cursor, user, ids, name, self._arg,
|
|
context=context)
|
|
|
|
def set(self, cursor, obj, obj_id, name, value, user=None, context=None):
|
|
self._fnct_write(obj, cursor, user, obj_id, name, value,
|
|
self._obj, context=context)
|
|
|
|
_TYPE2CLASS = {
|
|
}
|
|
|
|
for klass in (Boolean, Integer, BigInteger, Reference, Char, Sha, Text, Float,
|
|
Numeric, Date, DateTime, Time, Binary, Selection, Many2One, One2Many,
|
|
Many2Many):
|
|
_TYPE2CLASS[klass._type] = klass
|