Initial commit: OCA Technical packages (595 packages)

odoo-bringout-oca-server-tools-html_text/html_text/models/__init__.py

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+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from . import ir_fields_converter

odoo-bringout-oca-server-tools-html_text/html_text/models/ir_fields_converter.py

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+# Copyright 2016-2017 Jairo Llopis <jairo.llopis@tecnativa.com>
+# Copyright 2016 Tecnativa - Vicent Cubells
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+import logging
+
+from lxml import etree, html
+
+from odoo import api, models
+
+_logger = logging.getLogger(__name__)
+
+
+class IrFieldsConverter(models.AbstractModel):
+    _inherit = "ir.fields.converter"
+
+    @api.model
+    def text_from_html(
+        self, html_content, max_words=None, max_chars=None, ellipsis="…", fail=False
+    ):
+        """Extract text from an HTML field in a generator.
+
+        :param str html_content:
+            HTML contents from where to extract the text.
+
+        :param int max_words:
+            Maximum amount of words allowed in the resulting string.
+
+        :param int max_chars:
+            Maximum amount of characters allowed in the resulting string. If
+            you apply this limit, beware that the last word could get cut in an
+            unexpected place.
+
+        :param str ellipsis:
+            Character(s) to be appended to the end of the resulting string if
+            it gets truncated after applying limits set in :param:`max_words`
+            or :param:`max_chars`. If you want nothing applied, just set an
+            empty string.
+
+        :param bool fail:
+            If ``True``, exceptions will be raised. Otherwise, an empty string
+            will be returned on failure.
+        """
+        # Parse HTML
+        try:
+            doc = html.fromstring(html_content)
+        except (TypeError, etree.XMLSyntaxError, etree.ParserError):
+            if fail:
+                raise
+            else:
+                _logger.exception("Failure parsing this HTML:\n%s", html_content)
+                return ""
+
+        # Get words
+        words = "".join(doc.xpath("//text()")).split()
+
+        # Truncate words
+        suffix = max_words and len(words) > max_words
+        if max_words:
+            words = words[:max_words]
+
+        # Get text
+        text = " ".join(words)
+
+        # Truncate text
+        suffix = suffix or max_chars and len(text) > max_chars
+        if max_chars:
+            text = text[: max_chars - (len(ellipsis) if suffix else 0)].strip()
+
+        # Append ellipsis if needed
+        if suffix:
+            text += ellipsis
+
+        return text