Initial commit: Core packages

odoo-bringout-oca-ocb-base/odoo/tools/rendering_tools.py

@@ -0,0 +1,75 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+import dateutil.relativedelta as relativedelta
+import functools
+import re
+
+from markupsafe import Markup
+from werkzeug import urls
+
+from odoo.tools import safe_eval
+
+INLINE_TEMPLATE_REGEX = re.compile(r"\{\{(.+?)\}\}")
+
+def relativedelta_proxy(*args, **kwargs):
+    # dateutil.relativedelta is an old-style class and cannot be directly
+    # instanciated wihtin a jinja2 expression, so a lambda "proxy" is
+    # is needed, apparently
+    return relativedelta.relativedelta(*args, **kwargs)
+
+template_env_globals = {
+    'str': str,
+    'quote': urls.url_quote,
+    'urlencode': urls.url_encode,
+    'datetime': safe_eval.datetime,
+    'len': len,
+    'abs': abs,
+    'min': min,
+    'max': max,
+    'sum': sum,
+    'filter': filter,
+    'reduce': functools.reduce,
+    'map': map,
+    'relativedelta': relativedelta.relativedelta,
+    'round': round,
+    'hasattr': hasattr,
+}
+
+def parse_inline_template(text):
+    groups = []
+    current_literal_index = 0
+    for match in INLINE_TEMPLATE_REGEX.finditer(text):
+        literal = text[current_literal_index:match.start()]
+        expression = match.group(1)
+        groups.append((literal, expression))
+        current_literal_index = match.end()
+
+    # string past last regex match
+    literal = text[current_literal_index:]
+    if literal:
+        groups.append((literal, ''))
+
+    return groups
+
+def convert_inline_template_to_qweb(template):
+    template_instructions = parse_inline_template(template or '')
+    preview_markup = []
+    for string, expression in template_instructions:
+        if expression:
+            preview_markup.append(Markup('{}<t t-out="{}"/>').format(string, expression))
+        else:
+            preview_markup.append(string)
+    return Markup('').join(preview_markup)
+
+def render_inline_template(template_instructions, variables):
+    results = []
+    for string, expression in template_instructions:
+        results.append(string)
+
+        if expression:
+            result = safe_eval.safe_eval(expression, variables)
+            if result:
+                results.append(str(result))
+
+    return ''.join(results)