minor fix

configuration.py

@@ -7,6 +7,9 @@ from trytond.pyson import Id
 
 class Configuration(metaclass=PoolMeta):
     __name__ = "staff.configuration"
+
+    allow_zero_quantities = fields.Boolean('Allow Zero Quantities',
+        help='If this checked the lines in payroll in zero do not delete')
     staff_liquidation_sequence = fields.Many2One('ir.sequence',
         'Liquidation Sequence', required=True, domain=[
             ('sequence_type', '=',

payroll.py

@@ -21,7 +21,7 @@ from trytond.modules.staff_payroll.payroll import PayrollReport
 from trytond.i18n import gettext
 from .exceptions import (GeneratePayrollError, MissingTemplateEmailPayroll,
                          WageTypeConceptError)
-from constants import (
+from .constants import (
     SHEET_FIELDS_NOT_AMOUNT, LIM_UVT_DEDUCTIBLE, ENTITY_ACCOUNTS,
     FIELDS_AMOUNT, EXTRAS, SHEET_SUMABLES, LIM_PERCENT_DEDUCTIBLE,
 )
@@ -372,6 +372,8 @@ class Payroll(metaclass=PoolMeta):
         MoveLine = pool.get('account.move.line')
         PayrollLine = pool.get('staff.payroll.line')
         LoanLine = pool.get('staff.loan.line')
+        Configuration = Pool().get('staff.configuration')
+        configuration = Configuration(1)
 
         for line in self.lines:
             to_write = {}
@@ -409,6 +411,9 @@ class Payroll(metaclass=PoolMeta):
                             'move_lines': [('add', lines_to_reconcile)]
                         }
             PayrollLine.write([line], to_write)
+            if not configuration.allow_zero_quantities and line.quantity == 0:
+                PayrollLine.delete([line])
+
 
     def process_loans_to_pay(self, line, LoanLine, PayrollLine, MoveLine):
 

view/configuration_form.xml

@@ -12,8 +12,12 @@ this repository contains the full copyright notices and license terms. -->
             <field name="uvt_value"/>
             <label name="liquidation_account"/>
             <field name="liquidation_account"/>
+
             <label name="payment_partial_sunday"/>
             <field name="payment_partial_sunday"/>
+            <label name="allow_zero_quantities"/>
+            <field name="allow_zero_quantities"/>
+            
     </xpath>
     <xpath
         expr="/form/field[@name='minimum_salary']" position="after">