157 lines
5.4 KiB
Python
157 lines
5.4 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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from trytond.model import ModelView, ModelSQL, fields
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from string import Template
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import datetime
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from trytond.tools import datetime_strftime
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from trytond.pyson import In, Eval
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class SequenceType(ModelSQL, ModelView):
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"Sequence type"
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_name = 'ir.sequence.type'
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_description = __doc__
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name = fields.Char('Sequence Name', required=True, translate=True)
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code = fields.Char('Sequence Code', required=True)
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SequenceType()
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class Sequence(ModelSQL, ModelView):
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"Sequence"
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_name = 'ir.sequence'
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_description = __doc__
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name = fields.Char('Sequence Name', required=True, translate=True)
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code = fields.Selection('code_get', 'Sequence Type', required=True,
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states={
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'readonly': In('code', Eval('context', {})),
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})
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active = fields.Boolean('Active')
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prefix = fields.Char('Prefix')
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suffix = fields.Char('Suffix')
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number_next = fields.Integer('Next Number')
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number_increment = fields.Integer('Increment Number')
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padding = fields.Integer('Number padding')
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def __init__(self):
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super(Sequence, self).__init__()
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self._constraints += [
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('check_prefix_suffix', 'invalid_prefix_suffix'),
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]
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self._error_messages.update({
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'missing': 'Missing sequence!',
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'invalid_prefix_suffix': 'Invalid prefix/suffix!',
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})
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def default_active(self, cursor, user, context=None):
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return 1
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def default_number_increment(self, cursor, user, context=None):
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return 1
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def default_number_next(self, cursor, user, context=None):
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return 1
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def default_padding(self, cursor, user, context=None):
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return 0
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def default_code(self, cursor, user, context=None):
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if context is None:
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context = {}
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return context.get('code', False)
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def code_get(self, cursor, user, context=None):
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sequence_type_obj = self.pool.get('ir.sequence.type')
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sequence_type_ids = sequence_type_obj.search(cursor, user, [],
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context=context)
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sequence_types = sequence_type_obj.browse(cursor, user,
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sequence_type_ids, context=context)
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return [(x.code, x.name) for x in sequence_types]
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def check_prefix_suffix(self, cursor, user, ids):
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"Check prefix and suffix"
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for sequence in self.browse(cursor, user, ids):
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try:
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self._process(cursor, user, sequence.prefix)
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self._process(cursor, user, sequence.suffix)
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except:
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return False
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return True
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def _process(self, cursor, user, string, date=None, context=None):
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date_obj = self.pool.get('ir.date')
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if not date:
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date = date_obj.today(cursor, user, context=context)
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year = datetime_strftime(date, '%Y')
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month = datetime_strftime(date, '%m')
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day = datetime_strftime(date, '%d')
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return Template(string or '').substitute(
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year=year,
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month=month,
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day=day,
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)
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def get_id(self, cursor, user, domain, context=None):
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'''
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Return sequence value for the domain
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:param cursor: the database cursor
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:param user: the user id
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:param domain: a domain or a sequence id
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:param context: the context
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:return: the sequence value
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'''
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if context is None:
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context = {}
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if isinstance(domain, (int, long)):
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domain = [('id', '=', domain)]
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# bypass rules on sequences
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if 'user' in context:
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context = context.copy()
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del context['user']
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sequence_ids = self.search(cursor, 0, domain, limit=1,
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context=context)
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date = context.get('date')
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if sequence_ids:
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sequence = self.browse(cursor, 0, sequence_ids[0],
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context=context)
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#Pre-fetch number_next
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number_next = sequence.number_next
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self.write(cursor, 0, sequence.id, {
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'number_next': number_next + sequence.number_increment,
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}, context=context)
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if number_next:
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return self._process(cursor, user, sequence.prefix, date=date,
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context=context) + \
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'%%0%sd' % sequence.padding % number_next + \
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self._process(cursor, user, sequence.suffix, date=date,
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context=context)
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else:
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return self._process(cursor, user, sequence.prefix, date=date,
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context=context) + \
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self._process(cursor, user, sequence.suffix, date=date,
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context=context)
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self.raise_user_error(cursor, 'missing', context=context)
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def get(self, cursor, user, code, context=None):
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return self.get_id(cursor, user, [('code', '=', code)], context=context)
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Sequence()
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class SequenceStrict(Sequence):
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"Sequence Strict"
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_name = 'ir.sequence.strict'
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_description = __doc__
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def get_id(self, cursor, user, clause, context=None):
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cursor.lock(self._table)
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return super(SequenceStrict, self).get_id(cursor, user, clause,
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context=context)
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SequenceStrict()
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