1003 lines
45 KiB
Python
1003 lines
45 KiB
Python
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# -*- coding: utf-8 -*-
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# Part of Odoo. See LICENSE file for full copyright and licensing details.
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from markupsafe import Markup
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from odoo import api, fields, models, tools, SUPERUSER_ID, _
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from odoo.exceptions import UserError, AccessError
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from odoo.tools.safe_eval import safe_eval, time
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from odoo.tools.misc import find_in_path, ustr
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from odoo.tools import check_barcode_encoding, config, is_html_empty, parse_version, split_every
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from odoo.http import request
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from odoo.osv.expression import NEGATIVE_TERM_OPERATORS, FALSE_DOMAIN
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import io
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import logging
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import os
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import lxml.html
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import tempfile
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import subprocess
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import re
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import json
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from lxml import etree
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from contextlib import closing
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from reportlab.graphics.barcode import createBarcodeDrawing
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from PyPDF2 import PdfFileWriter, PdfFileReader
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from collections import OrderedDict
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from collections.abc import Iterable
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from PIL import Image, ImageFile
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from itertools import islice
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# Allow truncated images
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ImageFile.LOAD_TRUNCATED_IMAGES = True
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try:
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from PyPDF2.errors import PdfReadError
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except ImportError:
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from PyPDF2.utils import PdfReadError
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_logger = logging.getLogger(__name__)
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# A lock occurs when the user wants to print a report having multiple barcode while the server is
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# started in threaded-mode. The reason is that reportlab has to build a cache of the T1 fonts
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# before rendering a barcode (done in a C extension) and this part is not thread safe. We attempt
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# here to init the T1 fonts cache at the start-up of Odoo so that rendering of barcode in multiple
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# thread does not lock the server.
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try:
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createBarcodeDrawing('Code128', value='foo', format='png', width=100, height=100, humanReadable=1).asString('png')
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except Exception:
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pass
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def _get_wkhtmltopdf_bin():
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return find_in_path('wkhtmltopdf')
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def _split_table(tree, max_rows):
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"""
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Walks through the etree and splits tables with more than max_rows rows into
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multiple tables with max_rows rows.
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This function is needed because wkhtmltopdf has a exponential processing
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time growth when processing tables with many rows. This function is a
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workaround for this problem.
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:param tree: The etree to process
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:param max_rows: The maximum number of rows per table
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"""
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for table in list(tree.iter('table')):
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prev = table
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for rows in islice(split_every(max_rows, table), 1, None):
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sibling = etree.Element('table', attrib=table.attrib)
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sibling.extend(rows)
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prev.addnext(sibling)
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prev = sibling
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# Check the presence of Wkhtmltopdf and return its version at Odoo start-up
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wkhtmltopdf_state = 'install'
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wkhtmltopdf_dpi_zoom_ratio = False
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try:
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process = subprocess.Popen(
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[_get_wkhtmltopdf_bin(), '--version'], stdout=subprocess.PIPE, stderr=subprocess.PIPE
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)
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except (OSError, IOError):
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_logger.info('You need Wkhtmltopdf to print a pdf version of the reports.')
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else:
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_logger.info('Will use the Wkhtmltopdf binary at %s' % _get_wkhtmltopdf_bin())
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out, err = process.communicate()
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match = re.search(b'([0-9.]+)', out)
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if match:
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version = match.group(0).decode('ascii')
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if parse_version(version) < parse_version('0.12.0'):
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_logger.info('Upgrade Wkhtmltopdf to (at least) 0.12.0')
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wkhtmltopdf_state = 'upgrade'
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else:
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wkhtmltopdf_state = 'ok'
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if parse_version(version) >= parse_version('0.12.2'):
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wkhtmltopdf_dpi_zoom_ratio = True
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if config['workers'] == 1:
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_logger.info('You need to start Odoo with at least two workers to print a pdf version of the reports.')
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wkhtmltopdf_state = 'workers'
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else:
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_logger.info('Wkhtmltopdf seems to be broken.')
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wkhtmltopdf_state = 'broken'
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class IrActionsReport(models.Model):
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_name = 'ir.actions.report'
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_description = 'Report Action'
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_inherit = 'ir.actions.actions'
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_table = 'ir_act_report_xml'
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_order = 'name, id'
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_allow_sudo_commands = False
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type = fields.Char(default='ir.actions.report')
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binding_type = fields.Selection(default='report')
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model = fields.Char(required=True, string='Model Name')
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model_id = fields.Many2one('ir.model', string='Model', compute='_compute_model_id', search='_search_model_id')
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report_type = fields.Selection([
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('qweb-html', 'HTML'),
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('qweb-pdf', 'PDF'),
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('qweb-text', 'Text'),
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], required=True, default='qweb-pdf',
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help='The type of the report that will be rendered, each one having its own'
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' rendering method. HTML means the report will be opened directly in your'
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' browser PDF means the report will be rendered using Wkhtmltopdf and'
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' downloaded by the user.')
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report_name = fields.Char(string='Template Name', required=True)
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report_file = fields.Char(string='Report File', required=False, readonly=False, store=True,
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help="The path to the main report file (depending on Report Type) or empty if the content is in another field")
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groups_id = fields.Many2many('res.groups', 'res_groups_report_rel', 'uid', 'gid', string='Groups')
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multi = fields.Boolean(string='On Multiple Doc.', help="If set to true, the action will not be displayed on the right toolbar of a form view.")
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paperformat_id = fields.Many2one('report.paperformat', 'Paper Format')
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print_report_name = fields.Char('Printed Report Name', translate=True,
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help="This is the filename of the report going to download. Keep empty to not change the report filename. You can use a python expression with the 'object' and 'time' variables.")
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attachment_use = fields.Boolean(string='Reload from Attachment',
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help='If enabled, then the second time the user prints with same attachment name, it returns the previous report.')
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attachment = fields.Char(string='Save as Attachment Prefix',
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help='This is the filename of the attachment used to store the printing result. Keep empty to not save the printed reports. You can use a python expression with the object and time variables.')
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@api.depends('model')
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def _compute_model_id(self):
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for action in self:
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action.model_id = self.env['ir.model']._get(action.model).id
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def _search_model_id(self, operator, value):
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ir_model_ids = None
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if isinstance(value, str):
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names = self.env['ir.model'].name_search(value, operator=operator)
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ir_model_ids = [n[0] for n in names]
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elif operator in ('any', 'not any'):
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ir_model_ids = self.env['ir.model']._search(value)
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elif isinstance(value, Iterable):
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ir_model_ids = value
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elif isinstance(value, int) and not isinstance(value, bool):
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ir_model_ids = [value]
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if ir_model_ids:
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operator = 'not in' if operator in NEGATIVE_TERM_OPERATORS else 'in'
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ir_model = self.env['ir.model'].browse(ir_model_ids)
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return [('model', operator, ir_model.mapped('model'))]
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elif isinstance(value, bool) or value is None:
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return [('model', operator, value)]
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else:
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return FALSE_DOMAIN
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def _get_readable_fields(self):
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return super()._get_readable_fields() | {
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"report_name", "report_type", "target",
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# these two are not real fields of ir.actions.report but are
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# expected in the route /report/<converter>/<reportname> and must
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# not be removed by clean_action
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"context", "data",
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# and this one is used by the frontend later on.
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"close_on_report_download",
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}
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def associated_view(self):
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"""Used in the ir.actions.report form view in order to search naively after the view(s)
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used in the rendering.
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"""
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self.ensure_one()
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action_ref = self.env.ref('base.action_ui_view')
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if not action_ref or len(self.report_name.split('.')) < 2:
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return False
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action_data = action_ref.read()[0]
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action_data['domain'] = [('name', 'ilike', self.report_name.split('.')[1]), ('type', '=', 'qweb')]
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return action_data
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def create_action(self):
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""" Create a contextual action for each report. """
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for report in self:
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model = self.env['ir.model']._get(report.model)
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report.write({'binding_model_id': model.id, 'binding_type': 'report'})
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return True
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def unlink_action(self):
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""" Remove the contextual actions created for the reports. """
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self.check_access_rights('write', raise_exception=True)
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self.filtered('binding_model_id').write({'binding_model_id': False})
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return True
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#--------------------------------------------------------------------------
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# Main report methods
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#--------------------------------------------------------------------------
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def retrieve_attachment(self, record):
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'''Retrieve an attachment for a specific record.
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:param record: The record owning of the attachment.
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:return: A recordset of length <=1 or None
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'''
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attachment_name = safe_eval(self.attachment, {'object': record, 'time': time}) if self.attachment else ''
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if not attachment_name:
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return None
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return self.env['ir.attachment'].search([
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('name', '=', attachment_name),
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('res_model', '=', self.model),
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('res_id', '=', record.id)
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], limit=1)
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@api.model
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def get_wkhtmltopdf_state(self):
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'''Get the current state of wkhtmltopdf: install, ok, upgrade, workers or broken.
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* install: Starting state.
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* upgrade: The binary is an older version (< 0.12.0).
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* ok: A binary was found with a recent version (>= 0.12.0).
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* workers: Not enough workers found to perform the pdf rendering process (< 2 workers).
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* broken: A binary was found but not responding.
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:return: wkhtmltopdf_state
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'''
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return wkhtmltopdf_state
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def get_paperformat(self):
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return self.paperformat_id or self.env.company.paperformat_id
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@api.model
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def _build_wkhtmltopdf_args(
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self,
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paperformat_id,
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landscape,
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specific_paperformat_args=None,
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set_viewport_size=False):
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'''Build arguments understandable by wkhtmltopdf bin.
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:param paperformat_id: A report.paperformat record.
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:param landscape: Force the report orientation to be landscape.
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:param specific_paperformat_args: A dictionary containing prioritized wkhtmltopdf arguments.
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:param set_viewport_size: Enable a viewport sized '1024x1280' or '1280x1024' depending of landscape arg.
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:return: A list of string representing the wkhtmltopdf process command args.
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'''
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if landscape is None and specific_paperformat_args and specific_paperformat_args.get('data-report-landscape'):
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landscape = specific_paperformat_args.get('data-report-landscape')
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command_args = ['--disable-local-file-access']
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if set_viewport_size:
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command_args.extend(['--viewport-size', landscape and '1024x1280' or '1280x1024'])
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# Passing the cookie to wkhtmltopdf in order to resolve internal links.
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if request and request.db:
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command_args.extend(['--cookie', 'session_id', request.session.sid])
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# Less verbose error messages
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command_args.extend(['--quiet'])
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# Build paperformat args
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if paperformat_id:
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if paperformat_id.format and paperformat_id.format != 'custom':
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command_args.extend(['--page-size', paperformat_id.format])
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if paperformat_id.page_height and paperformat_id.page_width and paperformat_id.format == 'custom':
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command_args.extend(['--page-width', str(paperformat_id.page_width) + 'mm'])
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command_args.extend(['--page-height', str(paperformat_id.page_height) + 'mm'])
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if specific_paperformat_args and specific_paperformat_args.get('data-report-margin-top'):
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command_args.extend(['--margin-top', str(specific_paperformat_args['data-report-margin-top'])])
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else:
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command_args.extend(['--margin-top', str(paperformat_id.margin_top)])
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dpi = None
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if specific_paperformat_args and specific_paperformat_args.get('data-report-dpi'):
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dpi = int(specific_paperformat_args['data-report-dpi'])
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elif paperformat_id.dpi:
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if os.name == 'nt' and int(paperformat_id.dpi) <= 95:
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_logger.info("Generating PDF on Windows platform require DPI >= 96. Using 96 instead.")
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dpi = 96
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else:
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dpi = paperformat_id.dpi
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if dpi:
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command_args.extend(['--dpi', str(dpi)])
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if wkhtmltopdf_dpi_zoom_ratio:
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command_args.extend(['--zoom', str(96.0 / dpi)])
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|
|
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if specific_paperformat_args and specific_paperformat_args.get('data-report-header-spacing'):
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command_args.extend(['--header-spacing', str(specific_paperformat_args['data-report-header-spacing'])])
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elif paperformat_id.header_spacing:
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command_args.extend(['--header-spacing', str(paperformat_id.header_spacing)])
|
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|
|
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command_args.extend(['--margin-left', str(paperformat_id.margin_left)])
|
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|
|
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if specific_paperformat_args and specific_paperformat_args.get('data-report-margin-bottom'):
|
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command_args.extend(['--margin-bottom', str(specific_paperformat_args['data-report-margin-bottom'])])
|
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else:
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|
command_args.extend(['--margin-bottom', str(paperformat_id.margin_bottom)])
|
|||
|
|
|||
|
command_args.extend(['--margin-right', str(paperformat_id.margin_right)])
|
|||
|
if not landscape and paperformat_id.orientation:
|
|||
|
command_args.extend(['--orientation', str(paperformat_id.orientation)])
|
|||
|
if paperformat_id.header_line:
|
|||
|
command_args.extend(['--header-line'])
|
|||
|
if paperformat_id.disable_shrinking:
|
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|
command_args.extend(['--disable-smart-shrinking'])
|
|||
|
|
|||
|
# Add extra time to allow the page to render
|
|||
|
delay = self.env['ir.config_parameter'].sudo().get_param('report.print_delay', '1000')
|
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|
command_args.extend(['--javascript-delay', delay])
|
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|
|
|||
|
if landscape:
|
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|
command_args.extend(['--orientation', 'landscape'])
|
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|
|
|||
|
return command_args
|
|||
|
|
|||
|
def _prepare_html(self, html, report_model=False):
|
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|
'''Divide and recreate the header/footer html by merging all found in html.
|
|||
|
The bodies are extracted and added to a list. Then, extract the specific_paperformat_args.
|
|||
|
The idea is to put all headers/footers together. Then, we will use a javascript trick
|
|||
|
(see minimal_layout template) to set the right header/footer during the processing of wkhtmltopdf.
|
|||
|
This allows the computation of multiple reports in a single call to wkhtmltopdf.
|
|||
|
|
|||
|
:param html: The html rendered by render_qweb_html.
|
|||
|
:type: bodies: list of string representing each one a html body.
|
|||
|
:type header: string representing the html header.
|
|||
|
:type footer: string representing the html footer.
|
|||
|
:type specific_paperformat_args: dictionary of prioritized paperformat values.
|
|||
|
:return: bodies, header, footer, specific_paperformat_args
|
|||
|
'''
|
|||
|
IrConfig = self.env['ir.config_parameter'].sudo()
|
|||
|
|
|||
|
# Return empty dictionary if 'web.minimal_layout' not found.
|
|||
|
layout = self.env.ref('web.minimal_layout', raise_if_not_found=False)
|
|||
|
if not layout:
|
|||
|
return {}
|
|||
|
base_url = IrConfig.get_param('report.url') or layout.get_base_url()
|
|||
|
|
|||
|
root = lxml.html.fromstring(html, parser=lxml.html.HTMLParser(encoding='utf-8'))
|
|||
|
match_klass = "//div[contains(concat(' ', normalize-space(@class), ' '), ' {} ')]"
|
|||
|
|
|||
|
header_node = etree.Element('div', id='minimal_layout_report_headers')
|
|||
|
footer_node = etree.Element('div', id='minimal_layout_report_footers')
|
|||
|
bodies = []
|
|||
|
res_ids = []
|
|||
|
|
|||
|
body_parent = root.xpath('//main')[0]
|
|||
|
# Retrieve headers
|
|||
|
for node in root.xpath(match_klass.format('header')):
|
|||
|
body_parent = node.getparent()
|
|||
|
node.getparent().remove(node)
|
|||
|
header_node.append(node)
|
|||
|
|
|||
|
# Retrieve footers
|
|||
|
for node in root.xpath(match_klass.format('footer')):
|
|||
|
body_parent = node.getparent()
|
|||
|
node.getparent().remove(node)
|
|||
|
footer_node.append(node)
|
|||
|
|
|||
|
# Retrieve bodies
|
|||
|
for node in root.xpath(match_klass.format('article')):
|
|||
|
# set context language to body language
|
|||
|
IrQweb = self.env['ir.qweb']
|
|||
|
if node.get('data-oe-lang'):
|
|||
|
IrQweb = IrQweb.with_context(lang=node.get('data-oe-lang'))
|
|||
|
body = IrQweb._render(layout.id, {
|
|||
|
'subst': False,
|
|||
|
'body': Markup(lxml.html.tostring(node, encoding='unicode')),
|
|||
|
'base_url': base_url,
|
|||
|
'report_xml_id' : self.xml_id
|
|||
|
}, raise_if_not_found=False)
|
|||
|
bodies.append(body)
|
|||
|
if node.get('data-oe-model') == report_model:
|
|||
|
res_ids.append(int(node.get('data-oe-id', 0)))
|
|||
|
else:
|
|||
|
res_ids.append(None)
|
|||
|
|
|||
|
if not bodies:
|
|||
|
body = ''.join(lxml.html.tostring(c, encoding='unicode') for c in body_parent.getchildren())
|
|||
|
bodies.append(body)
|
|||
|
|
|||
|
# Get paperformat arguments set in the root html tag. They are prioritized over
|
|||
|
# paperformat-record arguments.
|
|||
|
specific_paperformat_args = {}
|
|||
|
for attribute in root.items():
|
|||
|
if attribute[0].startswith('data-report-'):
|
|||
|
specific_paperformat_args[attribute[0]] = attribute[1]
|
|||
|
|
|||
|
header = self.env['ir.qweb']._render(layout.id, {
|
|||
|
'subst': True,
|
|||
|
'body': Markup(lxml.html.tostring(header_node, encoding='unicode')),
|
|||
|
'base_url': base_url
|
|||
|
})
|
|||
|
footer = self.env['ir.qweb']._render(layout.id, {
|
|||
|
'subst': True,
|
|||
|
'body': Markup(lxml.html.tostring(footer_node, encoding='unicode')),
|
|||
|
'base_url': base_url
|
|||
|
})
|
|||
|
|
|||
|
return bodies, res_ids, header, footer, specific_paperformat_args
|
|||
|
|
|||
|
@api.model
|
|||
|
def _run_wkhtmltopdf(
|
|||
|
self,
|
|||
|
bodies,
|
|||
|
report_ref=False,
|
|||
|
header=None,
|
|||
|
footer=None,
|
|||
|
landscape=False,
|
|||
|
specific_paperformat_args=None,
|
|||
|
set_viewport_size=False):
|
|||
|
'''Execute wkhtmltopdf as a subprocess in order to convert html given in input into a pdf
|
|||
|
document.
|
|||
|
|
|||
|
:param list[str] bodies: The html bodies of the report, one per page.
|
|||
|
:param report_ref: report reference that is needed to get report paperformat.
|
|||
|
:param str header: The html header of the report containing all headers.
|
|||
|
:param str footer: The html footer of the report containing all footers.
|
|||
|
:param landscape: Force the pdf to be rendered under a landscape format.
|
|||
|
:param specific_paperformat_args: dict of prioritized paperformat arguments.
|
|||
|
:param set_viewport_size: Enable a viewport sized '1024x1280' or '1280x1024' depending of landscape arg.
|
|||
|
:return: Content of the pdf as bytes
|
|||
|
:rtype: bytes
|
|||
|
'''
|
|||
|
paperformat_id = self._get_report(report_ref).get_paperformat() if report_ref else self.get_paperformat()
|
|||
|
|
|||
|
# Build the base command args for wkhtmltopdf bin
|
|||
|
command_args = self._build_wkhtmltopdf_args(
|
|||
|
paperformat_id,
|
|||
|
landscape,
|
|||
|
specific_paperformat_args=specific_paperformat_args,
|
|||
|
set_viewport_size=set_viewport_size)
|
|||
|
|
|||
|
files_command_args = []
|
|||
|
temporary_files = []
|
|||
|
if header:
|
|||
|
head_file_fd, head_file_path = tempfile.mkstemp(suffix='.html', prefix='report.header.tmp.')
|
|||
|
with closing(os.fdopen(head_file_fd, 'wb')) as head_file:
|
|||
|
head_file.write(header.encode())
|
|||
|
temporary_files.append(head_file_path)
|
|||
|
files_command_args.extend(['--header-html', head_file_path])
|
|||
|
if footer:
|
|||
|
foot_file_fd, foot_file_path = tempfile.mkstemp(suffix='.html', prefix='report.footer.tmp.')
|
|||
|
with closing(os.fdopen(foot_file_fd, 'wb')) as foot_file:
|
|||
|
foot_file.write(footer.encode())
|
|||
|
temporary_files.append(foot_file_path)
|
|||
|
files_command_args.extend(['--footer-html', foot_file_path])
|
|||
|
|
|||
|
paths = []
|
|||
|
for i, body in enumerate(bodies):
|
|||
|
prefix = '%s%d.' % ('report.body.tmp.', i)
|
|||
|
body_file_fd, body_file_path = tempfile.mkstemp(suffix='.html', prefix=prefix)
|
|||
|
with closing(os.fdopen(body_file_fd, 'wb')) as body_file:
|
|||
|
# HACK: wkhtmltopdf doesn't like big table at all and the
|
|||
|
# processing time become exponential with the number
|
|||
|
# of rows (like 1H for 250k rows).
|
|||
|
#
|
|||
|
# So we split the table into multiple tables containing
|
|||
|
# 500 rows each. This reduce the processing time to 1min
|
|||
|
# for 250k rows. The number 500 was taken from opw-1689673
|
|||
|
if len(body) < 4 * 1024 * 1024: # 4Mib
|
|||
|
body_file.write(body.encode())
|
|||
|
else:
|
|||
|
tree = lxml.html.fromstring(body)
|
|||
|
_split_table(tree, 500)
|
|||
|
body_file.write(lxml.html.tostring(tree))
|
|||
|
paths.append(body_file_path)
|
|||
|
temporary_files.append(body_file_path)
|
|||
|
|
|||
|
pdf_report_fd, pdf_report_path = tempfile.mkstemp(suffix='.pdf', prefix='report.tmp.')
|
|||
|
os.close(pdf_report_fd)
|
|||
|
temporary_files.append(pdf_report_path)
|
|||
|
|
|||
|
try:
|
|||
|
wkhtmltopdf = [_get_wkhtmltopdf_bin()] + command_args + files_command_args + paths + [pdf_report_path]
|
|||
|
process = subprocess.Popen(wkhtmltopdf, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
|||
|
out, err = process.communicate()
|
|||
|
err = ustr(err)
|
|||
|
|
|||
|
if process.returncode not in [0, 1]:
|
|||
|
if process.returncode == -11:
|
|||
|
message = _(
|
|||
|
'Wkhtmltopdf failed (error code: %s). Memory limit too low or maximum file number of subprocess reached. Message : %s',
|
|||
|
process.returncode,
|
|||
|
err[-1000:],
|
|||
|
)
|
|||
|
else:
|
|||
|
message = _(
|
|||
|
'Wkhtmltopdf failed (error code: %s). Message: %s',
|
|||
|
process.returncode,
|
|||
|
err[-1000:],
|
|||
|
)
|
|||
|
_logger.warning(message)
|
|||
|
raise UserError(message)
|
|||
|
else:
|
|||
|
if err:
|
|||
|
_logger.warning('wkhtmltopdf: %s' % err)
|
|||
|
except:
|
|||
|
raise
|
|||
|
|
|||
|
with open(pdf_report_path, 'rb') as pdf_document:
|
|||
|
pdf_content = pdf_document.read()
|
|||
|
|
|||
|
# Manual cleanup of the temporary files
|
|||
|
for temporary_file in temporary_files:
|
|||
|
try:
|
|||
|
os.unlink(temporary_file)
|
|||
|
except (OSError, IOError):
|
|||
|
_logger.error('Error when trying to remove file %s' % temporary_file)
|
|||
|
|
|||
|
return pdf_content
|
|||
|
|
|||
|
@api.model
|
|||
|
def _get_report_from_name(self, report_name):
|
|||
|
"""Get the first record of ir.actions.report having the ``report_name`` as value for
|
|||
|
the field report_name.
|
|||
|
"""
|
|||
|
report_obj = self.env['ir.actions.report']
|
|||
|
conditions = [('report_name', '=', report_name)]
|
|||
|
context = self.env['res.users'].context_get()
|
|||
|
return report_obj.with_context(context).sudo().search(conditions, limit=1)
|
|||
|
|
|||
|
@api.model
|
|||
|
def _get_report(self, report_ref):
|
|||
|
"""Get the report (with sudo) from a reference
|
|||
|
report_ref: can be one of
|
|||
|
- ir.actions.report id
|
|||
|
- ir.actions.report record
|
|||
|
- ir.model.data reference to ir.actions.report
|
|||
|
- ir.actions.report report_name
|
|||
|
"""
|
|||
|
ReportSudo = self.env['ir.actions.report'].sudo()
|
|||
|
if isinstance(report_ref, int):
|
|||
|
return ReportSudo.browse(report_ref)
|
|||
|
if isinstance(report_ref, models.Model):
|
|||
|
if report_ref._name != self._name:
|
|||
|
raise ValueError("Expected report of type %s, got %s" % (self._name, report_ref._name))
|
|||
|
return report_ref.sudo()
|
|||
|
report = ReportSudo.search([('report_name', '=', report_ref)], limit=1)
|
|||
|
if report:
|
|||
|
return report
|
|||
|
report = self.env.ref(report_ref)
|
|||
|
if report:
|
|||
|
if report._name != "ir.actions.report":
|
|||
|
raise ValueError("Fetching report %r: type %s, expected ir.actions.report" % (report_ref, report._name))
|
|||
|
return report.sudo()
|
|||
|
raise ValueError("Fetching report %r: report not found" % report_ref)
|
|||
|
|
|||
|
@api.model
|
|||
|
def barcode(self, barcode_type, value, **kwargs):
|
|||
|
defaults = {
|
|||
|
'width': (600, int),
|
|||
|
'height': (100, int),
|
|||
|
'humanreadable': (False, lambda x: bool(int(x))),
|
|||
|
'quiet': (True, lambda x: bool(int(x))),
|
|||
|
'mask': (None, lambda x: x),
|
|||
|
'barBorder': (4, int),
|
|||
|
# The QR code can have different layouts depending on the Error Correction Level
|
|||
|
# See: https://en.wikipedia.org/wiki/QR_code#Error_correction
|
|||
|
# Level 'L' – up to 7% damage (default)
|
|||
|
# Level 'M' – up to 15% damage (i.e. required by l10n_ch QR bill)
|
|||
|
# Level 'Q' – up to 25% damage
|
|||
|
# Level 'H' – up to 30% damage
|
|||
|
'barLevel': ('L', lambda x: x in ('L', 'M', 'Q', 'H') and x or 'L'),
|
|||
|
}
|
|||
|
kwargs = {k: validator(kwargs.get(k, v)) for k, (v, validator) in defaults.items()}
|
|||
|
kwargs['humanReadable'] = kwargs.pop('humanreadable')
|
|||
|
|
|||
|
if barcode_type == 'UPCA' and len(value) in (11, 12, 13):
|
|||
|
barcode_type = 'EAN13'
|
|||
|
if len(value) in (11, 12):
|
|||
|
value = '0%s' % value
|
|||
|
elif barcode_type == 'auto':
|
|||
|
symbology_guess = {8: 'EAN8', 13: 'EAN13'}
|
|||
|
barcode_type = symbology_guess.get(len(value), 'Code128')
|
|||
|
elif barcode_type == 'QR':
|
|||
|
# for `QR` type, `quiet` is not supported. And is simply ignored.
|
|||
|
# But we can use `barBorder` to get a similar behaviour.
|
|||
|
if kwargs['quiet']:
|
|||
|
kwargs['barBorder'] = 0
|
|||
|
|
|||
|
if barcode_type in ('EAN8', 'EAN13') and not check_barcode_encoding(value, barcode_type):
|
|||
|
# If the barcode does not respect the encoding specifications, convert its type into Code128.
|
|||
|
# Otherwise, the report-lab method may return a barcode different from its value. For instance,
|
|||
|
# if the barcode type is EAN-8 and the value 11111111, the report-lab method will take the first
|
|||
|
# seven digits and will compute the check digit, which gives: 11111115 -> the barcode does not
|
|||
|
# match the expected value.
|
|||
|
barcode_type = 'Code128'
|
|||
|
|
|||
|
try:
|
|||
|
barcode = createBarcodeDrawing(barcode_type, value=value, format='png', **kwargs)
|
|||
|
|
|||
|
# If a mask is asked and it is available, call its function to
|
|||
|
# post-process the generated QR-code image
|
|||
|
if kwargs['mask']:
|
|||
|
available_masks = self.get_available_barcode_masks()
|
|||
|
mask_to_apply = available_masks.get(kwargs['mask'])
|
|||
|
if mask_to_apply:
|
|||
|
mask_to_apply(kwargs['width'], kwargs['height'], barcode)
|
|||
|
|
|||
|
return barcode.asString('png')
|
|||
|
except (ValueError, AttributeError):
|
|||
|
if barcode_type == 'Code128':
|
|||
|
raise ValueError("Cannot convert into barcode.")
|
|||
|
elif barcode_type == 'QR':
|
|||
|
raise ValueError("Cannot convert into QR code.")
|
|||
|
else:
|
|||
|
return self.barcode('Code128', value, **kwargs)
|
|||
|
|
|||
|
@api.model
|
|||
|
def get_available_barcode_masks(self):
|
|||
|
""" Hook for extension.
|
|||
|
This function returns the available QR-code masks, in the form of a
|
|||
|
list of (code, mask_function) elements, where code is a string identifying
|
|||
|
the mask uniquely, and mask_function is a function returning a reportlab
|
|||
|
Drawing object with the result of the mask, and taking as parameters:
|
|||
|
- width of the QR-code, in pixels
|
|||
|
- height of the QR-code, in pixels
|
|||
|
- reportlab Drawing object containing the barcode to apply the mask on
|
|||
|
"""
|
|||
|
return {}
|
|||
|
|
|||
|
def _render_template(self, template, values=None):
|
|||
|
"""Allow to render a QWeb template python-side. This function returns the 'ir.ui.view'
|
|||
|
render but embellish it with some variables/methods used in reports.
|
|||
|
:param values: additional methods/variables used in the rendering
|
|||
|
:returns: html representation of the template
|
|||
|
:rtype: bytes
|
|||
|
"""
|
|||
|
if values is None:
|
|||
|
values = {}
|
|||
|
|
|||
|
# Browse the user instead of using the sudo self.env.user
|
|||
|
user = self.env['res.users'].browse(self.env.uid)
|
|||
|
view_obj = self.env['ir.ui.view'].with_context(inherit_branding=False)
|
|||
|
values.update(
|
|||
|
time=time,
|
|||
|
context_timestamp=lambda t: fields.Datetime.context_timestamp(self.with_context(tz=user.tz), t),
|
|||
|
user=user,
|
|||
|
res_company=self.env.company,
|
|||
|
web_base_url=self.env['ir.config_parameter'].sudo().get_param('web.base.url', default=''),
|
|||
|
)
|
|||
|
return view_obj._render_template(template, values).encode()
|
|||
|
|
|||
|
@api.model
|
|||
|
def _merge_pdfs(self, streams):
|
|||
|
writer = PdfFileWriter()
|
|||
|
for stream in streams:
|
|||
|
try:
|
|||
|
reader = PdfFileReader(stream)
|
|||
|
writer.appendPagesFromReader(reader)
|
|||
|
except (PdfReadError, TypeError, NotImplementedError, ValueError):
|
|||
|
raise UserError(_("Odoo is unable to merge the generated PDFs."))
|
|||
|
result_stream = io.BytesIO()
|
|||
|
streams.append(result_stream)
|
|||
|
writer.write(result_stream)
|
|||
|
return result_stream
|
|||
|
|
|||
|
def _render_qweb_pdf_prepare_streams(self, report_ref, data, res_ids=None):
|
|||
|
if not data:
|
|||
|
data = {}
|
|||
|
data.setdefault('report_type', 'pdf')
|
|||
|
|
|||
|
# access the report details with sudo() but evaluation context as current user
|
|||
|
report_sudo = self._get_report(report_ref)
|
|||
|
|
|||
|
collected_streams = OrderedDict()
|
|||
|
|
|||
|
# Fetch the existing attachments from the database for later use.
|
|||
|
# Reload the stream from the attachment in case of 'attachment_use'.
|
|||
|
if res_ids:
|
|||
|
records = self.env[report_sudo.model].browse(res_ids)
|
|||
|
for record in records:
|
|||
|
stream = None
|
|||
|
attachment = None
|
|||
|
if report_sudo.attachment and not self._context.get("report_pdf_no_attachment"):
|
|||
|
attachment = report_sudo.retrieve_attachment(record)
|
|||
|
|
|||
|
# Extract the stream from the attachment.
|
|||
|
if attachment and report_sudo.attachment_use:
|
|||
|
stream = io.BytesIO(attachment.raw)
|
|||
|
|
|||
|
# Ensure the stream can be saved in Image.
|
|||
|
if attachment.mimetype.startswith('image'):
|
|||
|
img = Image.open(stream)
|
|||
|
new_stream = io.BytesIO()
|
|||
|
img.convert("RGB").save(new_stream, format="pdf")
|
|||
|
stream.close()
|
|||
|
stream = new_stream
|
|||
|
|
|||
|
collected_streams[record.id] = {
|
|||
|
'stream': stream,
|
|||
|
'attachment': attachment,
|
|||
|
}
|
|||
|
|
|||
|
# Call 'wkhtmltopdf' to generate the missing streams.
|
|||
|
res_ids_wo_stream = [res_id for res_id, stream_data in collected_streams.items() if not stream_data['stream']]
|
|||
|
is_whtmltopdf_needed = not res_ids or res_ids_wo_stream
|
|||
|
|
|||
|
if is_whtmltopdf_needed:
|
|||
|
|
|||
|
if self.get_wkhtmltopdf_state() == 'install':
|
|||
|
# wkhtmltopdf is not installed
|
|||
|
# the call should be catched before (cf /report/check_wkhtmltopdf) but
|
|||
|
# if get_pdf is called manually (email template), the check could be
|
|||
|
# bypassed
|
|||
|
raise UserError(_("Unable to find Wkhtmltopdf on this system. The PDF can not be created."))
|
|||
|
|
|||
|
# Disable the debug mode in the PDF rendering in order to not split the assets bundle
|
|||
|
# into separated files to load. This is done because of an issue in wkhtmltopdf
|
|||
|
# failing to load the CSS/Javascript resources in time.
|
|||
|
# Without this, the header/footer of the reports randomly disappear
|
|||
|
# because the resources files are not loaded in time.
|
|||
|
# https://github.com/wkhtmltopdf/wkhtmltopdf/issues/2083
|
|||
|
additional_context = {'debug': False}
|
|||
|
|
|||
|
html = self.with_context(**additional_context)._render_qweb_html(report_ref, res_ids_wo_stream, data=data)[0]
|
|||
|
|
|||
|
bodies, html_ids, header, footer, specific_paperformat_args = self.with_context(**additional_context)._prepare_html(html, report_model=report_sudo.model)
|
|||
|
|
|||
|
if report_sudo.attachment and set(res_ids_wo_stream) != set(html_ids):
|
|||
|
raise UserError(_(
|
|||
|
"The report's template %r is wrong, please contact your administrator. \n\n"
|
|||
|
"Can not separate file to save as attachment because the report's template does not contains the"
|
|||
|
" attributes 'data-oe-model' and 'data-oe-id' on the div with 'article' classname.",
|
|||
|
self.name,
|
|||
|
))
|
|||
|
|
|||
|
pdf_content = self._run_wkhtmltopdf(
|
|||
|
bodies,
|
|||
|
report_ref=report_ref,
|
|||
|
header=header,
|
|||
|
footer=footer,
|
|||
|
landscape=self._context.get('landscape'),
|
|||
|
specific_paperformat_args=specific_paperformat_args,
|
|||
|
set_viewport_size=self._context.get('set_viewport_size'),
|
|||
|
)
|
|||
|
pdf_content_stream = io.BytesIO(pdf_content)
|
|||
|
|
|||
|
# Printing a PDF report without any records. The content could be returned directly.
|
|||
|
if not res_ids:
|
|||
|
return {
|
|||
|
False: {
|
|||
|
'stream': pdf_content_stream,
|
|||
|
'attachment': None,
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
# Split the pdf for each record using the PDF outlines.
|
|||
|
|
|||
|
# Only one record: append the whole PDF.
|
|||
|
if len(res_ids_wo_stream) == 1:
|
|||
|
collected_streams[res_ids_wo_stream[0]]['stream'] = pdf_content_stream
|
|||
|
return collected_streams
|
|||
|
|
|||
|
# In case of multiple docs, we need to split the pdf according the records.
|
|||
|
# In the simplest case of 1 res_id == 1 page, we use the PDFReader to print the
|
|||
|
# pages one by one.
|
|||
|
html_ids_wo_none = [x for x in html_ids if x]
|
|||
|
reader = PdfFileReader(pdf_content_stream)
|
|||
|
if reader.numPages == len(res_ids_wo_stream):
|
|||
|
for i in range(reader.numPages):
|
|||
|
attachment_writer = PdfFileWriter()
|
|||
|
attachment_writer.addPage(reader.getPage(i))
|
|||
|
stream = io.BytesIO()
|
|||
|
attachment_writer.write(stream)
|
|||
|
collected_streams[res_ids[i]]['stream'] = stream
|
|||
|
return collected_streams
|
|||
|
|
|||
|
# In cases where the number of res_ids != the number of pages,
|
|||
|
# we split the pdf based on top outlines computed by wkhtmltopdf.
|
|||
|
# An outline is a <h?> html tag found on the document. To retrieve this table,
|
|||
|
# we look on the pdf structure using pypdf to compute the outlines_pages from
|
|||
|
# the top level heading in /Outlines.
|
|||
|
if len(res_ids_wo_stream) > 1 and set(res_ids_wo_stream) == set(html_ids_wo_none):
|
|||
|
root = reader.trailer['/Root']
|
|||
|
has_valid_outlines = '/Outlines' in root and '/First' in root['/Outlines']
|
|||
|
if not has_valid_outlines:
|
|||
|
return {False: {
|
|||
|
'report_action': self,
|
|||
|
'stream': pdf_content_stream,
|
|||
|
'attachment': None,
|
|||
|
}}
|
|||
|
|
|||
|
outlines_pages = []
|
|||
|
node = root['/Outlines']['/First']
|
|||
|
while True:
|
|||
|
outlines_pages.append(root['/Dests'][node['/Dest']][0])
|
|||
|
if '/Next' not in node:
|
|||
|
break
|
|||
|
node = node['/Next']
|
|||
|
outlines_pages = sorted(set(outlines_pages))
|
|||
|
|
|||
|
# The number of outlines must be equal to the number of records to be able to split the document.
|
|||
|
has_same_number_of_outlines = len(outlines_pages) == len(res_ids)
|
|||
|
|
|||
|
# There should be a top-level heading on first page
|
|||
|
has_top_level_heading = outlines_pages[0] == 0
|
|||
|
|
|||
|
if has_same_number_of_outlines and has_top_level_heading:
|
|||
|
# Split the PDF according to outlines.
|
|||
|
for i, num in enumerate(outlines_pages):
|
|||
|
to = outlines_pages[i + 1] if i + 1 < len(outlines_pages) else reader.numPages
|
|||
|
attachment_writer = PdfFileWriter()
|
|||
|
for j in range(num, to):
|
|||
|
attachment_writer.addPage(reader.getPage(j))
|
|||
|
stream = io.BytesIO()
|
|||
|
attachment_writer.write(stream)
|
|||
|
collected_streams[res_ids[i]]['stream'] = stream
|
|||
|
|
|||
|
return collected_streams
|
|||
|
|
|||
|
collected_streams[False] = {'stream': pdf_content_stream, 'attachment': None}
|
|||
|
|
|||
|
return collected_streams
|
|||
|
|
|||
|
def _prepare_pdf_report_attachment_vals_list(self, report, streams):
|
|||
|
"""Hook to prepare attachment values needed for attachments creation
|
|||
|
during the pdf report generation.
|
|||
|
|
|||
|
:param report: The report (with sudo) from a reference report_ref.
|
|||
|
:param streams: Dict of streams for each report containing the pdf content and existing attachments.
|
|||
|
:return: attachment values list needed for attachments creation.
|
|||
|
"""
|
|||
|
attachment_vals_list = []
|
|||
|
for res_id, stream_data in streams.items():
|
|||
|
# An attachment already exists.
|
|||
|
if stream_data['attachment']:
|
|||
|
continue
|
|||
|
|
|||
|
# if res_id is false
|
|||
|
# we are unable to fetch the record, it won't be saved as we can't split the documents unambiguously
|
|||
|
if not res_id:
|
|||
|
_logger.warning(
|
|||
|
"These documents were not saved as an attachment because the template of %s doesn't "
|
|||
|
"have any headers seperating different instances of it. If you want it saved,"
|
|||
|
"please print the documents separately", report.report_name)
|
|||
|
continue
|
|||
|
record = self.env[report.model].browse(res_id)
|
|||
|
attachment_name = safe_eval(report.attachment, {'object': record, 'time': time})
|
|||
|
|
|||
|
# Unable to compute a name for the attachment.
|
|||
|
if not attachment_name:
|
|||
|
continue
|
|||
|
|
|||
|
attachment_vals_list.append({
|
|||
|
'name': attachment_name,
|
|||
|
'raw': stream_data['stream'].getvalue(),
|
|||
|
'res_model': report.model,
|
|||
|
'res_id': record.id,
|
|||
|
'type': 'binary',
|
|||
|
})
|
|||
|
return attachment_vals_list
|
|||
|
|
|||
|
def _render_qweb_pdf(self, report_ref, res_ids=None, data=None):
|
|||
|
if not data:
|
|||
|
data = {}
|
|||
|
if isinstance(res_ids, int):
|
|||
|
res_ids = [res_ids]
|
|||
|
data.setdefault('report_type', 'pdf')
|
|||
|
# In case of test environment without enough workers to perform calls to wkhtmltopdf,
|
|||
|
# fallback to render_html.
|
|||
|
if (tools.config['test_enable'] or tools.config['test_file']) and not self.env.context.get('force_report_rendering'):
|
|||
|
return self._render_qweb_html(report_ref, res_ids, data=data)
|
|||
|
|
|||
|
self = self.with_context(webp_as_jpg=True)
|
|||
|
collected_streams = self._render_qweb_pdf_prepare_streams(report_ref, data, res_ids=res_ids)
|
|||
|
|
|||
|
# access the report details with sudo() but keep evaluation context as current user
|
|||
|
report_sudo = self._get_report(report_ref)
|
|||
|
|
|||
|
# Generate the ir.attachment if needed.
|
|||
|
if report_sudo.attachment and not self._context.get("report_pdf_no_attachment"):
|
|||
|
attachment_vals_list = self._prepare_pdf_report_attachment_vals_list(report_sudo, collected_streams)
|
|||
|
if attachment_vals_list:
|
|||
|
attachment_names = ', '.join(x['name'] for x in attachment_vals_list)
|
|||
|
try:
|
|||
|
self.env['ir.attachment'].create(attachment_vals_list)
|
|||
|
except AccessError:
|
|||
|
_logger.info("Cannot save PDF report %r attachments for user %r", attachment_names, self.env.user.display_name)
|
|||
|
else:
|
|||
|
_logger.info("The PDF documents %r are now saved in the database", attachment_names)
|
|||
|
|
|||
|
# Merge all streams together for a single record.
|
|||
|
streams_to_merge = [x['stream'] for x in collected_streams.values() if x['stream']]
|
|||
|
if len(streams_to_merge) == 1:
|
|||
|
pdf_content = streams_to_merge[0].getvalue()
|
|||
|
else:
|
|||
|
with self._merge_pdfs(streams_to_merge) as pdf_merged_stream:
|
|||
|
pdf_content = pdf_merged_stream.getvalue()
|
|||
|
|
|||
|
for stream in streams_to_merge:
|
|||
|
stream.close()
|
|||
|
|
|||
|
if res_ids:
|
|||
|
_logger.info("The PDF report has been generated for model: %s, records %s.", report_sudo.model, str(res_ids))
|
|||
|
|
|||
|
return pdf_content, 'pdf'
|
|||
|
|
|||
|
@api.model
|
|||
|
def _render_qweb_text(self, report_ref, docids, data=None):
|
|||
|
if not data:
|
|||
|
data = {}
|
|||
|
data.setdefault('report_type', 'text')
|
|||
|
report = self._get_report(report_ref)
|
|||
|
data = self._get_rendering_context(report, docids, data)
|
|||
|
return self._render_template(report.report_name, data), 'text'
|
|||
|
|
|||
|
@api.model
|
|||
|
def _render_qweb_html(self, report_ref, docids, data=None):
|
|||
|
if not data:
|
|||
|
data = {}
|
|||
|
data.setdefault('report_type', 'html')
|
|||
|
report = self._get_report(report_ref)
|
|||
|
data = self._get_rendering_context(report, docids, data)
|
|||
|
return self._render_template(report.report_name, data), 'html'
|
|||
|
|
|||
|
def _get_rendering_context_model(self, report):
|
|||
|
report_model_name = 'report.%s' % report.report_name
|
|||
|
return self.env.get(report_model_name)
|
|||
|
|
|||
|
def _get_rendering_context(self, report, docids, data):
|
|||
|
# If the report is using a custom model to render its html, we must use it.
|
|||
|
# Otherwise, fallback on the generic html rendering.
|
|||
|
report_model = self._get_rendering_context_model(report)
|
|||
|
|
|||
|
data = data and dict(data) or {}
|
|||
|
|
|||
|
if report_model is not None:
|
|||
|
data.update(report_model._get_report_values(docids, data=data))
|
|||
|
else:
|
|||
|
docs = self.env[report.model].browse(docids)
|
|||
|
data.update({
|
|||
|
'doc_ids': docids,
|
|||
|
'doc_model': report.model,
|
|||
|
'docs': docs,
|
|||
|
})
|
|||
|
data['is_html_empty'] = is_html_empty
|
|||
|
return data
|
|||
|
|
|||
|
@api.model
|
|||
|
def _render(self, report_ref, res_ids, data=None):
|
|||
|
report = self._get_report(report_ref)
|
|||
|
report_type = report.report_type.lower().replace('-', '_')
|
|||
|
render_func = getattr(self, '_render_' + report_type, None)
|
|||
|
if not render_func:
|
|||
|
return None
|
|||
|
return render_func(report_ref, res_ids, data=data)
|
|||
|
|
|||
|
def report_action(self, docids, data=None, config=True):
|
|||
|
"""Return an action of type ir.actions.report.
|
|||
|
|
|||
|
:param docids: id/ids/browse record of the records to print (if not used, pass an empty list)
|
|||
|
:param data:
|
|||
|
:param bool config:
|
|||
|
:rtype: bytes
|
|||
|
"""
|
|||
|
context = self.env.context
|
|||
|
if docids:
|
|||
|
if isinstance(docids, models.Model):
|
|||
|
active_ids = docids.ids
|
|||
|
elif isinstance(docids, int):
|
|||
|
active_ids = [docids]
|
|||
|
elif isinstance(docids, list):
|
|||
|
active_ids = docids
|
|||
|
context = dict(self.env.context, active_ids=active_ids)
|
|||
|
|
|||
|
report_action = {
|
|||
|
'context': context,
|
|||
|
'data': data,
|
|||
|
'type': 'ir.actions.report',
|
|||
|
'report_name': self.report_name,
|
|||
|
'report_type': self.report_type,
|
|||
|
'report_file': self.report_file,
|
|||
|
'name': self.name,
|
|||
|
}
|
|||
|
|
|||
|
discard_logo_check = self.env.context.get('discard_logo_check')
|
|||
|
if self.env.is_admin() and not self.env.company.external_report_layout_id and config and not discard_logo_check:
|
|||
|
return self._action_configure_external_report_layout(report_action)
|
|||
|
|
|||
|
return report_action
|
|||
|
|
|||
|
def _action_configure_external_report_layout(self, report_action):
|
|||
|
action = self.env["ir.actions.actions"]._for_xml_id("web.action_base_document_layout_configurator")
|
|||
|
py_ctx = json.loads(action.get('context', {}))
|
|||
|
report_action['close_on_report_download'] = True
|
|||
|
py_ctx['report_action'] = report_action
|
|||
|
py_ctx['dialog_size'] = 'large'
|
|||
|
action['context'] = py_ctx
|
|||
|
return action
|