94 lines
3.1 KiB
Python
94 lines
3.1 KiB
Python
import time
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from trytond.osv import fields, OSV, ExceptORM
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from string import Template
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class SequenceType(OSV):
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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)
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code = fields.Char('Sequence Code', required=True)
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SequenceType()
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class Sequence(OSV):
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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)
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code = fields.Selection('code_get', 'Sequence Code', required=True)
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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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['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 code_get(self, cursor, user, context=None):
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cursor.execute('select code, name from ir_sequence_type')
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return cursor.fetchall()
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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(sequence.prefix)
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self._process(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, string):
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return Template(string or '').substitute(
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year=time.strftime('%Y'),
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month=time.strftime('%m'),
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day=time.strftime('%d'),
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)
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def get_id(self, cursor, user, sequence_id, test='id=%s'):
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cursor.execute('lock table ir_sequence')
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cursor.execute('SELECT id, number_next, number_increment, prefix, ' \
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'suffix, padding ' \
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'FROM ir_sequence ' \
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'WHERE ' + test + ' AND active = True', (sequence_id,))
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res = cursor.dictfetchone()
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if res:
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cursor.execute('UPDATE ir_sequence ' \
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'SET number_next = number_next + number_increment ' \
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'WHERE id = %s AND active = True', (res['id'],))
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if res['number_next']:
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return self._process(res['prefix']) + \
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'%%0%sd' % res['padding'] % res['number_next'] + \
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self._process(res['suffix'])
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else:
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return self._process(res['prefix']) + \
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self._process(res['suffix'])
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raise ExceptORM('UserError', 'Missing sequence!')
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def get(self, cursor, user, code):
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return self.get_id(cursor, user, code, test='code=%s')
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Sequence()
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