You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
360 lines
13 KiB
360 lines
13 KiB
# Copyright 2013 XCG Consulting (http://odoo.consulting)
|
|
# Copyright 2016 ACSONE SA/NV
|
|
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl)
|
|
import base64
|
|
from base64 import b64decode
|
|
from io import BytesIO
|
|
import logging
|
|
import os
|
|
from contextlib import closing
|
|
import subprocess
|
|
|
|
import pkg_resources
|
|
import sys
|
|
import tempfile
|
|
from zipfile import ZipFile, ZIP_DEFLATED
|
|
|
|
from odoo import api, fields, models, tools, _
|
|
from ._py3o_parser_context import Py3oParserContext
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
try:
|
|
from py3o.template import Template
|
|
from py3o import formats
|
|
except ImportError:
|
|
logger.debug('Cannot import py3o.template')
|
|
try:
|
|
from py3o.formats import Formats, UnkownFormatException
|
|
except ImportError:
|
|
logger.debug('Cannot import py3o.formats')
|
|
|
|
|
|
_extender_functions = {}
|
|
|
|
|
|
class TemplateNotFound(Exception):
|
|
pass
|
|
|
|
|
|
def py3o_report_extender(report_xml_id=None):
|
|
"""
|
|
A decorator to define function to extend the context sent to a template.
|
|
This will be called at the creation of the report.
|
|
The following arguments will be passed to it:
|
|
- ir_report: report instance
|
|
- localcontext: The context that will be passed to the report engine
|
|
If no report_xml_id is given the extender is registered for all py3o
|
|
reports
|
|
Idea copied from CampToCamp report_webkit module.
|
|
|
|
:param report_xml_id: xml id of the report
|
|
:return: a decorated class
|
|
"""
|
|
global _extender_functions
|
|
|
|
def fct1(fct):
|
|
_extender_functions.setdefault(report_xml_id, []).append(fct)
|
|
return fct
|
|
return fct1
|
|
|
|
|
|
@py3o_report_extender()
|
|
def default_extend(report_xml, context):
|
|
context['report_xml'] = report_xml
|
|
|
|
|
|
class Py3oReport(models.TransientModel):
|
|
_name = "py3o.report"
|
|
_description = "Report Py30"
|
|
|
|
ir_actions_report_id = fields.Many2one(
|
|
comodel_name="ir.actions.report",
|
|
required=True
|
|
)
|
|
|
|
@api.multi
|
|
def _is_valid_template_path(self, path):
|
|
""" Check if the path is a trusted path for py3o templates.
|
|
"""
|
|
real_path = os.path.realpath(path)
|
|
root_path = tools.config.get_misc('report_py3o', 'root_tmpl_path')
|
|
if not root_path:
|
|
logger.warning(
|
|
"You must provide a root template path into odoo.cfg to be "
|
|
"able to use py3o template configured with an absolute path "
|
|
"%s", real_path)
|
|
return False
|
|
is_valid = real_path.startswith(root_path + os.path.sep)
|
|
if not is_valid:
|
|
logger.warning(
|
|
"Py3o template path is not valid. %s is not a child of root "
|
|
"path %s", real_path, root_path)
|
|
return is_valid
|
|
|
|
@api.multi
|
|
def _is_valid_template_filename(self, filename):
|
|
""" Check if the filename can be used as py3o template
|
|
"""
|
|
if filename and os.path.isfile(filename):
|
|
fname, ext = os.path.splitext(filename)
|
|
ext = ext.replace('.', '')
|
|
try:
|
|
fformat = Formats().get_format(ext)
|
|
if fformat and fformat.native:
|
|
return True
|
|
except UnkownFormatException:
|
|
logger.warning("Invalid py3o template %s", filename,
|
|
exc_info=1)
|
|
logger.warning(
|
|
'%s is not a valid Py3o template filename', filename)
|
|
return False
|
|
|
|
@api.multi
|
|
def _get_template_from_path(self, tmpl_name):
|
|
""" Return the template from the path to root of the module if specied
|
|
or an absolute path on your server
|
|
"""
|
|
if not tmpl_name:
|
|
return None
|
|
report_xml = self.ir_actions_report_id
|
|
flbk_filename = None
|
|
if report_xml.module:
|
|
# if the default is defined
|
|
flbk_filename = pkg_resources.resource_filename(
|
|
"odoo.addons.%s" % report_xml.module,
|
|
tmpl_name,
|
|
)
|
|
elif self._is_valid_template_path(tmpl_name):
|
|
flbk_filename = os.path.realpath(tmpl_name)
|
|
if self._is_valid_template_filename(flbk_filename):
|
|
with open(flbk_filename, 'rb') as tmpl:
|
|
return tmpl.read()
|
|
return None
|
|
|
|
@api.multi
|
|
def _get_template_fallback(self, model_instance):
|
|
"""
|
|
Return the template referenced in the report definition
|
|
:return:
|
|
"""
|
|
self.ensure_one()
|
|
report_xml = self.ir_actions_report_id
|
|
return self._get_template_from_path(report_xml.py3o_template_fallback)
|
|
|
|
@api.multi
|
|
def get_template(self, model_instance):
|
|
"""private helper to fetch the template data either from the database
|
|
or from the default template file provided by the implementer.
|
|
|
|
ATM this method takes a report definition recordset
|
|
to try and fetch the report template from database. If not found it
|
|
will fallback to the template file referenced in the report definition.
|
|
|
|
@returns: string or buffer containing the template data
|
|
|
|
@raises: TemplateNotFound which is a subclass of
|
|
odoo.exceptions.DeferredException
|
|
"""
|
|
self.ensure_one()
|
|
report_xml = self.ir_actions_report_id
|
|
if report_xml.py3o_template_id.py3o_template_data:
|
|
# if a user gave a report template
|
|
tmpl_data = b64decode(
|
|
report_xml.py3o_template_id.py3o_template_data
|
|
)
|
|
|
|
else:
|
|
tmpl_data = self._get_template_fallback(model_instance)
|
|
|
|
if tmpl_data is None:
|
|
# if for any reason the template is not found
|
|
raise TemplateNotFound(
|
|
_('No template found. Aborting.'),
|
|
sys.exc_info(),
|
|
)
|
|
|
|
return tmpl_data
|
|
|
|
@api.multi
|
|
def _extend_parser_context(self, context, report_xml):
|
|
# add default extenders
|
|
for fct in _extender_functions.get(None, []):
|
|
fct(report_xml, context)
|
|
# add extenders for registered on the template
|
|
xml_id = report_xml.get_external_id().get(report_xml.id)
|
|
if xml_id in _extender_functions:
|
|
for fct in _extender_functions[xml_id]:
|
|
fct(report_xml, context)
|
|
|
|
@api.multi
|
|
def _get_parser_context(self, model_instance, data):
|
|
report_xml = self.ir_actions_report_id
|
|
context = Py3oParserContext(self.env).localcontext
|
|
context.update(
|
|
report_xml._get_rendering_context(model_instance.ids, data)
|
|
)
|
|
context['objects'] = model_instance
|
|
self._extend_parser_context(context, report_xml)
|
|
return context
|
|
|
|
@api.multi
|
|
def _postprocess_report(self, model_instance, result_path):
|
|
if len(model_instance) == 1 and self.ir_actions_report_id.attachment:
|
|
with open(result_path, 'rb') as f:
|
|
# we do all the generation process using files to avoid memory
|
|
# consumption...
|
|
# ... but odoo wants the whole data in memory anyways :)
|
|
buffer = BytesIO(f.read())
|
|
self.ir_actions_report_id.postprocess_pdf_report(
|
|
model_instance, buffer)
|
|
return result_path
|
|
|
|
@api.multi
|
|
def _create_single_report(self, model_instance, data):
|
|
""" This function to generate our py3o report
|
|
"""
|
|
self.ensure_one()
|
|
result_fd, result_path = tempfile.mkstemp(
|
|
suffix='.ods', prefix='p3o.report.tmp.')
|
|
tmpl_data = self.get_template(model_instance)
|
|
|
|
in_stream = BytesIO(tmpl_data)
|
|
with closing(os.fdopen(result_fd, 'wb+')) as out_stream:
|
|
template = Template(in_stream, out_stream, escape_false=True)
|
|
localcontext = self._get_parser_context(model_instance, data)
|
|
template.render(localcontext)
|
|
out_stream.seek(0)
|
|
tmpl_data = out_stream.read()
|
|
|
|
if self.env.context.get('report_py3o_skip_conversion'):
|
|
return result_path
|
|
|
|
result_path = self._convert_single_report(
|
|
result_path, model_instance, data
|
|
)
|
|
|
|
return self._postprocess_report(model_instance, result_path)
|
|
|
|
@api.multi
|
|
def _convert_single_report(self, result_path, model_instance, data):
|
|
"""Run a command to convert to our target format"""
|
|
filetype = self.ir_actions_report_id.py3o_filetype
|
|
if not Formats().get_format(filetype).native:
|
|
command = self._convert_single_report_cmd(
|
|
result_path, model_instance, data,
|
|
)
|
|
logger.debug('Running command %s', command)
|
|
output = subprocess.check_output(
|
|
command, cwd=os.path.dirname(result_path),
|
|
)
|
|
logger.debug('Output was %s', output)
|
|
self._cleanup_tempfiles([result_path])
|
|
result_path, result_filename = os.path.split(result_path)
|
|
result_path = os.path.join(
|
|
result_path, '%s.%s' % (
|
|
os.path.splitext(result_filename)[0], filetype
|
|
)
|
|
)
|
|
return result_path
|
|
|
|
@api.multi
|
|
def _convert_single_report_cmd(self, result_path, model_instance, data):
|
|
"""Return a command list suitable for use in subprocess.call"""
|
|
return [
|
|
self.env['ir.config_parameter'].get_param(
|
|
'py3o.conversion_command', 'libreoffice',
|
|
),
|
|
'--headless',
|
|
'--convert-to',
|
|
self.ir_actions_report_id.py3o_filetype,
|
|
result_path,
|
|
]
|
|
|
|
@api.multi
|
|
def _get_or_create_single_report(self, model_instance, data,
|
|
existing_reports_attachment):
|
|
self.ensure_one()
|
|
attachment = existing_reports_attachment.get(
|
|
model_instance.id)
|
|
if attachment and self.ir_actions_report_id.attachment_use:
|
|
content = base64.decodestring(attachment.datas)
|
|
report_file = tempfile.mktemp(
|
|
"." + self.ir_actions_report_id.py3o_filetype)
|
|
with open(report_file, "wb") as f:
|
|
f.write(content)
|
|
return report_file
|
|
return self._create_single_report(
|
|
model_instance, data)
|
|
|
|
@api.multi
|
|
def _zip_results(self, reports_path):
|
|
self.ensure_one()
|
|
zfname_prefix = self.ir_actions_report_id.name
|
|
result_path = tempfile.mktemp(suffix="zip", prefix='py3o-zip-result')
|
|
with ZipFile(result_path, 'w', ZIP_DEFLATED) as zf:
|
|
cpt = 0
|
|
for report in reports_path:
|
|
fname = "%s_%d.%s" % (
|
|
zfname_prefix, cpt, report.split('.')[-1])
|
|
zf.write(report, fname)
|
|
|
|
cpt += 1
|
|
return result_path
|
|
|
|
@api.multi
|
|
def _merge_results(self, reports_path):
|
|
self.ensure_one()
|
|
filetype = self.ir_actions_report_id.py3o_filetype
|
|
if not reports_path:
|
|
return False, False
|
|
if len(reports_path) == 1:
|
|
return reports_path[0], filetype
|
|
if filetype == formats.FORMAT_PDF:
|
|
return self._merge_pdf(reports_path), formats.FORMAT_PDF
|
|
else:
|
|
return self._zip_results(reports_path), 'zip'
|
|
|
|
@api.model
|
|
def _cleanup_tempfiles(self, temporary_files):
|
|
# 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)
|
|
|
|
@api.multi
|
|
def create_report(self, res_ids, data):
|
|
""" Override this function to handle our py3o report
|
|
"""
|
|
model_instances = self.env[self.ir_actions_report_id.model].browse(
|
|
res_ids)
|
|
reports_path = []
|
|
if (
|
|
len(res_ids) > 1 and
|
|
self.ir_actions_report_id.py3o_multi_in_one):
|
|
reports_path.append(
|
|
self._create_single_report(
|
|
model_instances, data))
|
|
else:
|
|
existing_reports_attachment = \
|
|
self.ir_actions_report_id._get_attachments(res_ids)
|
|
for model_instance in model_instances:
|
|
reports_path.append(
|
|
self._get_or_create_single_report(
|
|
model_instance, data, existing_reports_attachment))
|
|
|
|
result_path, filetype = self._merge_results(reports_path)
|
|
reports_path.append(result_path)
|
|
|
|
# Here is a little joke about Odoo
|
|
# we do all the generation process using files to avoid memory
|
|
# consumption...
|
|
# ... but odoo wants the whole data in memory anyways :)
|
|
|
|
with open(result_path, 'r+b') as fd:
|
|
res = fd.read()
|
|
self._cleanup_tempfiles(set(reports_path))
|
|
return res, filetype
|