mirror of
https://github.com/OCA/report-print-send.git
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228 lines
8.3 KiB
Python
228 lines
8.3 KiB
Python
# Copyright (C) 2016 SYLEAM (<http://www.syleam.fr>)
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# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
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import logging
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from datetime import datetime
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from odoo import _, exceptions, fields, models
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_logger = logging.getLogger(__name__)
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try:
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import cups
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except ImportError:
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_logger.debug("Cannot `import cups`.")
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class PrintingServer(models.Model):
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_name = "printing.server"
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_description = "Printing server"
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name = fields.Char(default="Localhost", required=True, help="Name of the server.")
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address = fields.Char(
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default="localhost", required=True, help="IP address or hostname of the server"
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)
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port = fields.Integer(default=631, required=True, help="Port of the server.")
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active = fields.Boolean(default=True, help="If checked, this server is useable.")
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printer_ids = fields.One2many(
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comodel_name="printing.printer",
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inverse_name="server_id",
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string="Printers List",
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help="List of printers available on this server.",
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)
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def _open_connection(self, raise_on_error=False):
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self.ensure_one()
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connection = False
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try:
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connection = cups.Connection(host=self.address, port=self.port)
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except Exception:
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message = _(
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"Failed to connect to the CUPS server on %s:%s. "
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"Check that the CUPS server is running and that "
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"you can reach it from the Odoo server."
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) % (self.address, self.port)
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_logger.warning(message)
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if raise_on_error:
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raise exceptions.UserError(message)
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return connection
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def action_update_printers(self):
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return self.update_printers()
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def update_printers(self, domain=None, raise_on_error=False):
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if domain is None:
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domain = []
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servers = self
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if not self:
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servers = self.search(domain)
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res = True
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for server in servers:
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connection = server._open_connection(raise_on_error=raise_on_error)
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if not connection:
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server.printer_ids.write({"status": "server-error"})
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res = False
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continue
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# Update Printers
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printers = connection.getPrinters()
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existing_printers = {
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printer.system_name: printer
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for printer in server.with_context(active_test=False).printer_ids
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}
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updated_printers = []
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for name, printer_info in printers.items():
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printer = self.env["printing.printer"]
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if name in existing_printers:
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printer = existing_printers[name]
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printer_values = printer._prepare_update_from_cups(
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connection, printer_info
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)
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printer_values.update(system_name=name, server_id=server.id)
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updated_printers.append(name)
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if not printer:
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printer.create(printer_values)
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else:
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printer.write(printer_values)
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# Set printers not found as unavailable
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server.printer_ids.filtered(
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lambda record: record.system_name not in updated_printers
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).write({"status": "unavailable"})
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return res
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def action_update_jobs(self):
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if not self:
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self = self.search([])
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return self.update_jobs()
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def update_jobs(self, which="all", first_job_id=-1):
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job_obj = self.env["printing.job"]
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printer_obj = self.env["printing.printer"]
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mapping = {
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3: "pending",
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4: "pending held",
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5: "processing",
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6: "processing stopped",
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7: "canceled",
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8: "aborted",
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9: "completed",
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}
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# Update printers list, to ensure that jobs printers will be in Odoo
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self.update_printers()
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for server in self:
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connection = server._open_connection()
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if not connection:
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continue
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# Retrieve asked job data
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jobs_data = connection.getJobs(
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which_jobs=which,
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first_job_id=first_job_id,
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requested_attributes=[
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"job-name",
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"job-id",
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"printer-uri",
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"job-media-progress",
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"time-at-creation",
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"job-state",
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"job-state-reasons",
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"time-at-processing",
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"time-at-completed",
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],
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)
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# Retrieve known uncompleted jobs data to update them
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if which == "not-completed":
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oldest_uncompleted_job = job_obj.search(
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[("job_state", "not in", ("canceled", "aborted", "completed"))],
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limit=1,
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order="job_id_cups",
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)
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if oldest_uncompleted_job:
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jobs_data.update(
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connection.getJobs(
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which_jobs="completed",
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first_job_id=oldest_uncompleted_job.job_id_cups,
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requested_attributes=[
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"job-name",
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"job-id",
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"printer-uri",
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"job-media-progress",
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"time-at-creation",
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"job-state",
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"job-state-reasons",
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"time-at-processing",
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"time-at-completed",
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],
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)
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)
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all_cups_job_ids = set()
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for cups_job_id, job_data in jobs_data.items():
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all_cups_job_ids.add(cups_job_id)
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jobs = job_obj.with_context(active_test=False).search(
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[("job_id_cups", "=", cups_job_id), ("server_id", "=", server.id)]
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)
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job_values = {
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"name": job_data.get("job-name", ""),
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"active": True,
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"job_id_cups": cups_job_id,
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"job_media_progress": job_data.get("job-media-progress", False),
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"job_state": mapping.get(job_data.get("job-state"), "unknown"),
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"job_state_reason": job_data.get("job-state-reasons", ""),
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"time_at_creation": fields.Datetime.to_string(
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datetime.fromtimestamp(job_data.get("time-at-creation", False))
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),
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"time_at_processing": job_data.get("time-at-processing", False)
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and fields.Datetime.to_string(
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datetime.fromtimestamp(
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job_data.get("time-at-processing", False)
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)
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),
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"time_at_completed": job_data.get("time-at-completed", False)
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and fields.Datetime.to_string(
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datetime.fromtimestamp(job_data.get("time-at-completed", False))
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),
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}
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# Search for the printer in Odoo
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printer_uri = job_data["printer-uri"]
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printer_system_name = printer_uri[printer_uri.rfind("/") + 1 :]
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printer = printer_obj.search(
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[
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("server_id", "=", server.id),
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("system_name", "=", printer_system_name),
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],
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limit=1,
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)
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# CUPS retains jobs for disconnected printers and also may
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# leak jobs data for unshared printers, therefore we just
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# discard here if not printer found
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if not printer:
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continue
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job_values["printer_id"] = printer.id
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if jobs:
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jobs.write(job_values)
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else:
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job_obj.create(job_values)
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# Deactive purged jobs
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if which == "all" and first_job_id == -1:
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purged_jobs = job_obj.search(
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[("job_id_cups", "not in", list(all_cups_job_ids))]
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)
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purged_jobs.write({"active": False})
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return True
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