Rémy Voet (ryv)
a09e370ec5
To prepare gs1-128 feature, refactors the check digit computation. Also, does some cleanings: - Removes unusused check_ean method; - Converts comments into docstrings; - Makes needed changes to avoid linter errors (PEP 8). task-1968113 Co-authored-by: ryv-odoo<ryv@odoo.com>
44 lines
2.4 KiB
Python
44 lines
2.4 KiB
Python
import re
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from odoo import models, fields, api, _
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from odoo.exceptions import ValidationError
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class BarcodeRule(models.Model):
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_name = 'barcode.rule'
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_description = 'Barcode Rule'
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_order = 'sequence asc, id'
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name = fields.Char(string='Rule Name', size=32, required=True, help='An internal identification for this barcode nomenclature rule')
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barcode_nomenclature_id = fields.Many2one('barcode.nomenclature', string='Barcode Nomenclature')
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sequence = fields.Integer(string='Sequence', help='Used to order rules such that rules with a smaller sequence match first')
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encoding = fields.Selection(
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string='Encoding', required=True, default='any', selection=[
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('any', 'Any'),
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('ean13', 'EAN-13'),
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('ean8', 'EAN-8'),
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('upca', 'UPC-A'),
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], help='This rule will apply only if the barcode is encoded with the specified encoding')
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type = fields.Selection(
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string='Type', required=True, selection=[
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('alias', 'Alias'),
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('product', 'Unit Product'),
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], default='product')
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pattern = fields.Char(string='Barcode Pattern', size=32, help="The barcode matching pattern", required=True, default='.*')
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alias = fields.Char(string='Alias', size=32, default='0', help='The matched pattern will alias to this barcode', required=True)
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@api.constrains('pattern')
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def _check_pattern(self):
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for rule in self:
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p = rule.pattern.replace('\\\\', 'X').replace('\\{', 'X').replace('\\}', 'X')
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findall = re.findall("[{]|[}]", p) # p does not contain escaped { or }
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if len(findall) == 2:
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if not re.search("[{][N]*[D]*[}]", p):
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raise ValidationError(_("There is a syntax error in the barcode pattern %(pattern)s: braces can only contain N's followed by D's.", pattern=rule.pattern))
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elif re.search("[{][}]", p):
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raise ValidationError(_("There is a syntax error in the barcode pattern %(pattern)s: empty braces.", pattern=rule.pattern))
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elif len(findall) != 0:
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raise ValidationError(_("There is a syntax error in the barcode pattern %(pattern)s: a rule can only contain one pair of braces.", pattern=rule.pattern))
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elif p == '*':
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raise ValidationError(_(" '*' is not a valid Regex Barcode Pattern. Did you mean '.*' ?"))
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