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Extract a method so it will be easier to override in printer_tray

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This commit is contained in:
Guewen Baconnier
2014-11-17 16:30:32 +01:00
parent 5805a6f9c4
commit caa9edb4e8
1 changed files with 40 additions and 32 deletions
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72
base_report_to_printer/printing.py
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@@ -179,42 +179,23 @@ class PrintingPrinterPolling(models.Model):
with self.start_update() as locked:
if not locked:
return # could not obtain lock
printer_recs = printer_obj.search([])
try:
connection = cups.Connection()
printers = connection.getPrinters()
server_error = False
except:
server_error = True
mapping = {
3: 'available',
4: 'printing',
5: 'error'
}
# Skip update to avoid the thread being created again
printer_recs = printer_obj.search([])
for printer in printer_recs:
vals = {}
if server_error:
status = 'server-error'
elif printer.system_name in printers:
info = printers[printer.system_name]
status = mapping.get(info['printer-state'],
'unknown')
vals = {
'model': info.get('printer-make-and-model',
False),
'location': info.get('printer-location',
False),
'uri': info.get('device-uri',
False),
}
else:
status = 'unavailable'
vals['status'] = status
printer.write(vals)
printer_recs.write({'status': 'server-error'})
else:
for printer in printer_recs:
cups_printer = printers.get(printer.system_name)
if cups_printer:
printer.update_from_cups(connection,
cups_printer)
else:
# not in cups list
printer.status = 'unavailable'
self.env.cr.commit()
except:
@@ -250,6 +231,33 @@ class PrintingPrinter(models.Model):
location = fields.Char(readonly=True)
uri = fields.Char(string='URI', readonly=True)
@api.multi
def _prepare_update_from_cups(self, cups_connection, cups_printer):
mapping = {
3: 'available',
4: 'printing',
5: 'error'
}
vals = {
'model': cups_printer.get('printer-make-and-model', False),
'location': cups_printer.get('printer-location', False),
'uri': cups_printer.get('device-uri', False),
'status': mapping.get(cups_printer['printer-state'], 'unknown'),
}
return vals
@api.multi
def update_from_cups(self, cups_connection, cups_printer):
""" Update a printer from the information returned by cups.
:param cups_connection: connection to CUPS, may be used when the
method is overriden (e.g. in printer_tray)
:param cups_printer: dict of information returned by CUPS for the
current printer
"""
vals = self._prepare_update_from_cups(cups_connection, cups_printer)
self.write(vals)
@api.multi
def print_options(self, report, format):
""" Hook to set print options """