[IMP] base, web: use converted WebP images in wkhtmltopdf

Wkhtmltopdf is unable to render WebP images.
This commit intercepts the requests for the image data during PDF
reports rendering to replace them by the converted image that was
uploaded with it.

task-2774352

Part-of: odoo/odoo#85494

odoo/addons/base/models/ir_actions_report.py

@@ -794,6 +794,7 @@ class IrActionsReport(models.Model):
         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

odoo/addons/base/models/ir_qweb.py

@@ -359,6 +359,7 @@ structure.
 
 """
 
+import base64
 import fnmatch
 import io
 import logging
@@ -384,7 +385,7 @@ from odoo.tools.constants import SUPPORTED_DEBUGGER, EXTERNAL_ASSET
 from odoo.tools.safe_eval import assert_valid_codeobj, _BUILTINS, to_opcodes, _EXPR_OPCODES, _BLACKLIST
 from odoo.tools.json import scriptsafe
 from odoo.tools.misc import str2bool
-from odoo.tools.image import image_data_uri
+from odoo.tools.image import image_data_uri, FILETYPE_BASE64_MAGICWORD
 from odoo.http import request
 from odoo.tools.profiler import QwebTracker
 from odoo.exceptions import UserError, AccessDenied, AccessError, MissingError, ValidationError
@@ -861,6 +862,24 @@ class IrQWeb(models.AbstractModel):
 
     # values for running time
 
+    def _get_converted_image_data_uri(self, base64_source):
+        if self.env.context.get('webp_as_jpg'):
+            mimetype = FILETYPE_BASE64_MAGICWORD.get(base64_source[:1], 'png')
+            if 'webp' in mimetype:
+                # Use converted image so that is recognized by wkhtmltopdf.
+                bin_source = base64.b64decode(base64_source)
+                Attachment = self.env['ir.attachment']
+                checksum = Attachment._compute_checksum(bin_source)
+                origins = Attachment.search([['res_field', '!=', None], ['checksum', '=', checksum]])
+                if origins:
+                    converted = Attachment.search([
+                        ['res_model', '=', 'ir.attachment'],
+                        ['res_id', 'in', origins.ids],
+                    ], limit=1)
+                    if converted:
+                        base64_source = converted.datas
+        return image_data_uri(base64_source)
+
     def _prepare_environment(self, values):
         """ Prepare the values and context that will sent to the
         compiled and evaluated function.
@@ -878,7 +897,6 @@ class IrQWeb(models.AbstractModel):
             values.setdefault('debug', debug)
             values.setdefault('user_id', self.env.user.with_env(self.env))
             values.setdefault('res_company', self.env.company.sudo())
-
             values.update(
                 request=request,  # might be unbound if we're not in an httprequest context
                 test_mode_enabled=bool(config['test_enable'] or config['test_file']),
@@ -887,7 +905,7 @@ class IrQWeb(models.AbstractModel):
                 time=safe_eval.time,
                 datetime=safe_eval.datetime,
                 relativedelta=relativedelta,
-                image_data_uri=image_data_uri,
+                image_data_uri=self._get_converted_image_data_uri,
                 # specific 'math' functions to ease rounding in templates and lessen controller marshmalling
                 floor=math.floor,
                 ceil=math.ceil,