1207 lines
47 KiB
Python
1207 lines
47 KiB
Python
# -*- coding: utf-8 -*-
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import collections
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import cStringIO
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import datetime
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import hashlib
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import json
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import logging
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import math
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import os
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import re
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import sys
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import xml # FIXME use lxml and etree
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import itertools
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import lxml.html
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from urlparse import urlparse
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import babel
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import babel.dates
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import werkzeug
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from PIL import Image
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import openerp.http
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import openerp.tools
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import openerp.tools.func
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import openerp.tools.lru
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from openerp.tools.safe_eval import safe_eval as eval
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from openerp.osv import osv, orm, fields
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from openerp.tools.translate import _
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_logger = logging.getLogger(__name__)
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#--------------------------------------------------------------------
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# QWeb template engine
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#--------------------------------------------------------------------
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class QWebException(Exception):
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def __init__(self, message, **kw):
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Exception.__init__(self, message)
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self.qweb = dict(kw)
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class QWebTemplateNotFound(QWebException):
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pass
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def raise_qweb_exception(etype=None, **kw):
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if etype is None:
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etype = QWebException
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orig_type, original, tb = sys.exc_info()
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try:
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raise etype, original, tb
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except etype, e:
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for k, v in kw.items():
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e.qweb[k] = v
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# Will use `raise foo from bar` in python 3 and rename cause to __cause__
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e.qweb['cause'] = original
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raise
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class QWebContext(dict):
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def __init__(self, cr, uid, data, loader=None, templates=None, context=None):
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self.cr = cr
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self.uid = uid
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self.loader = loader
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self.templates = templates or {}
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self.context = context
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dic = dict(data)
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super(QWebContext, self).__init__(dic)
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self['defined'] = lambda key: key in self
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def safe_eval(self, expr):
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locals_dict = collections.defaultdict(lambda: None)
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locals_dict.update(self)
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locals_dict.pop('cr', None)
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locals_dict.pop('loader', None)
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return eval(expr, None, locals_dict, nocopy=True, locals_builtins=True)
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def copy(self):
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return QWebContext(self.cr, self.uid, dict.copy(self),
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loader=self.loader,
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templates=self.templates,
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context=self.context)
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def __copy__(self):
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return self.copy()
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class QWeb(orm.AbstractModel):
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"""QWeb Xml templating engine
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The templating engine use a very simple syntax based "magic" xml
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attributes, to produce textual output (even non-xml).
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The core magic attributes are:
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flow attributes:
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t-if t-foreach t-call
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output attributes:
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t-att t-raw t-esc t-trim
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assignation attribute:
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t-set
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QWeb can be extended like any OpenERP model and new attributes can be
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added.
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If you need to customize t-fields rendering, subclass the ir.qweb.field
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model (and its sub-models) then override :meth:`~.get_converter_for` to
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fetch the right field converters for your qweb model.
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Beware that if you need extensions or alterations which could be
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incompatible with other subsystems, you should create a local object
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inheriting from ``ir.qweb`` and customize that.
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"""
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_name = 'ir.qweb'
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node = xml.dom.Node
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_void_elements = frozenset([
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'area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input', 'keygen',
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'link', 'menuitem', 'meta', 'param', 'source', 'track', 'wbr'])
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_format_regex = re.compile(
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'(?:'
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# ruby-style pattern
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'#\{(.+?)\}'
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')|(?:'
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# jinja-style pattern
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'\{\{(.+?)\}\}'
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')')
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def __init__(self, pool, cr):
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super(QWeb, self).__init__(pool, cr)
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self._render_tag = self.prefixed_methods('render_tag_')
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self._render_att = self.prefixed_methods('render_att_')
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def prefixed_methods(self, prefix):
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""" Extracts all methods prefixed by ``prefix``, and returns a mapping
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of (t-name, method) where the t-name is the method name with prefix
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removed and underscore converted to dashes
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:param str prefix:
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:return: dict
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"""
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n_prefix = len(prefix)
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return dict(
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(name[n_prefix:].replace('_', '-'), getattr(type(self), name))
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for name in dir(self)
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if name.startswith(prefix)
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)
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def register_tag(self, tag, func):
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self._render_tag[tag] = func
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def add_template(self, qwebcontext, name, node):
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"""Add a parsed template in the context. Used to preprocess templates."""
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qwebcontext.templates[name] = node
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def load_document(self, document, res_id, qwebcontext):
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"""
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Loads an XML document and installs any contained template in the engine
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"""
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if hasattr(document, 'documentElement'):
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dom = document
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elif document.startswith("<?xml"):
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dom = xml.dom.minidom.parseString(document)
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else:
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dom = xml.dom.minidom.parse(document)
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for node in dom.documentElement.childNodes:
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if node.nodeType == self.node.ELEMENT_NODE:
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if node.getAttribute('t-name'):
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name = str(node.getAttribute("t-name"))
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self.add_template(qwebcontext, name, node)
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if res_id and node.tagName == "t":
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self.add_template(qwebcontext, res_id, node)
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res_id = None
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def get_template(self, name, qwebcontext):
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origin_template = qwebcontext.get('__caller__') or qwebcontext['__stack__'][0]
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if qwebcontext.loader and name not in qwebcontext.templates:
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try:
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xml_doc = qwebcontext.loader(name)
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except ValueError:
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raise_qweb_exception(QWebTemplateNotFound, message="Loader could not find template %r" % name, template=origin_template)
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self.load_document(xml_doc, isinstance(name, (int, long)) and name or None, qwebcontext=qwebcontext)
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if name in qwebcontext.templates:
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return qwebcontext.templates[name]
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raise QWebTemplateNotFound("Template %r not found" % name, template=origin_template)
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def eval(self, expr, qwebcontext):
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try:
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return qwebcontext.safe_eval(expr)
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except Exception:
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template = qwebcontext.get('__template__')
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raise_qweb_exception(message="Could not evaluate expression %r" % expr, expression=expr, template=template)
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def eval_object(self, expr, qwebcontext):
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return self.eval(expr, qwebcontext)
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def eval_str(self, expr, qwebcontext):
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if expr == "0":
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return qwebcontext.get(0, '')
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val = self.eval(expr, qwebcontext)
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if isinstance(val, unicode):
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return val.encode("utf8")
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if val is False or val is None:
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return ''
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return str(val)
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def eval_format(self, expr, qwebcontext):
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expr, replacements = self._format_regex.subn(
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lambda m: self.eval_str(m.group(1) or m.group(2), qwebcontext),
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expr
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)
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if replacements:
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return expr
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try:
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return str(expr % qwebcontext)
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except Exception:
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template = qwebcontext.get('__template__')
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raise_qweb_exception(message="Format error for expression %r" % expr, expression=expr, template=template)
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def eval_bool(self, expr, qwebcontext):
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return int(bool(self.eval(expr, qwebcontext)))
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def render(self, cr, uid, id_or_xml_id, qwebcontext=None, loader=None, context=None):
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if qwebcontext is None:
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qwebcontext = {}
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if not isinstance(qwebcontext, QWebContext):
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qwebcontext = QWebContext(cr, uid, qwebcontext, loader=loader, context=context)
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qwebcontext['__template__'] = id_or_xml_id
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stack = qwebcontext.get('__stack__', [])
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if stack:
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qwebcontext['__caller__'] = stack[-1]
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stack.append(id_or_xml_id)
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qwebcontext['__stack__'] = stack
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qwebcontext['xmlid'] = str(stack[0]) # Temporary fix
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return self.render_node(self.get_template(id_or_xml_id, qwebcontext), qwebcontext)
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def render_node(self, element, qwebcontext):
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result = ""
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if element.nodeType == self.node.TEXT_NODE or element.nodeType == self.node.CDATA_SECTION_NODE:
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result = element.data.encode("utf8")
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elif element.nodeType == self.node.ELEMENT_NODE:
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generated_attributes = ""
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t_render = None
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template_attributes = {}
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for (attribute_name, attribute_value) in element.attributes.items():
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attribute_name = str(attribute_name)
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if attribute_name == "groups":
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cr = qwebcontext.get('request') and qwebcontext['request'].cr or None
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uid = qwebcontext.get('request') and qwebcontext['request'].uid or None
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can_see = self.user_has_groups(cr, uid, groups=attribute_value) if cr and uid else False
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if not can_see:
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return ''
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continue
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if isinstance(attribute_value, unicode):
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attribute_value = attribute_value.encode("utf8")
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else:
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attribute_value = attribute_value.nodeValue.encode("utf8")
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if attribute_name.startswith("t-"):
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for attribute in self._render_att:
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if attribute_name[2:].startswith(attribute):
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att, val = self._render_att[attribute](self, element, attribute_name, attribute_value, qwebcontext)
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generated_attributes += val and ' %s="%s"' % (att, werkzeug.utils.escape(val)) or " "
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break
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else:
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if attribute_name[2:] in self._render_tag:
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t_render = attribute_name[2:]
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template_attributes[attribute_name[2:]] = attribute_value
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else:
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generated_attributes += ' %s="%s"' % (attribute_name, werkzeug.utils.escape(attribute_value))
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if 'debug' in template_attributes:
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debugger = template_attributes.get('debug', 'pdb')
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__import__(debugger).set_trace() # pdb, ipdb, pudb, ...
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if t_render:
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result = self._render_tag[t_render](self, element, template_attributes, generated_attributes, qwebcontext)
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else:
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result = self.render_element(element, template_attributes, generated_attributes, qwebcontext)
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if isinstance(result, unicode):
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return result.encode('utf-8')
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return result
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def render_element(self, element, template_attributes, generated_attributes, qwebcontext, inner=None):
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# element: element
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# template_attributes: t-* attributes
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# generated_attributes: generated attributes
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# qwebcontext: values
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# inner: optional innerXml
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if inner:
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g_inner = inner
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else:
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g_inner = []
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for current_node in element.childNodes:
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try:
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g_inner.append(self.render_node(current_node, qwebcontext))
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except QWebException:
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raise
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except Exception:
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template = qwebcontext.get('__template__')
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raise_qweb_exception(message="Could not render element %r" % element.nodeName, node=element, template=template)
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name = str(element.nodeName)
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inner = "".join(g_inner)
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trim = template_attributes.get("trim", 0)
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if trim == 0:
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pass
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elif trim == 'left':
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inner = inner.lstrip()
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elif trim == 'right':
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inner = inner.rstrip()
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elif trim == 'both':
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inner = inner.strip()
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if name == "t":
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return inner
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elif len(inner) or name not in self._void_elements:
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return "<%s%s>%s</%s>" % tuple(
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qwebcontext if isinstance(qwebcontext, str) else qwebcontext.encode('utf-8')
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for qwebcontext in (name, generated_attributes, inner, name)
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)
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else:
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return "<%s%s/>" % (name, generated_attributes)
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# Attributes
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def render_att_att(self, element, attribute_name, attribute_value, qwebcontext):
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if attribute_name.startswith("t-attf-"):
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att, val = attribute_name[7:], self.eval_format(attribute_value, qwebcontext)
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elif attribute_name.startswith("t-att-"):
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att, val = attribute_name[6:], self.eval(attribute_value, qwebcontext)
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if isinstance(val, unicode):
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val = val.encode("utf8")
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else:
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att, val = self.eval_object(attribute_value, qwebcontext)
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return att, val
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# Tags
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def render_tag_raw(self, element, template_attributes, generated_attributes, qwebcontext):
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inner = self.eval_str(template_attributes["raw"], qwebcontext)
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return self.render_element(element, template_attributes, generated_attributes, qwebcontext, inner)
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def render_tag_esc(self, element, template_attributes, generated_attributes, qwebcontext):
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options = json.loads(template_attributes.get('esc-options') or '{}')
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widget = self.get_widget_for(options.get('widget', ''))
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inner = widget.format(template_attributes['esc'], options, qwebcontext)
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return self.render_element(element, template_attributes, generated_attributes, qwebcontext, inner)
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def render_tag_foreach(self, element, template_attributes, generated_attributes, qwebcontext):
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expr = template_attributes["foreach"]
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enum = self.eval_object(expr, qwebcontext)
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if enum is not None:
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var = template_attributes.get('as', expr).replace('.', '_')
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copy_qwebcontext = qwebcontext.copy()
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size = -1
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if isinstance(enum, (list, tuple)):
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size = len(enum)
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elif hasattr(enum, 'count'):
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size = enum.count()
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copy_qwebcontext["%s_size" % var] = size
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copy_qwebcontext["%s_all" % var] = enum
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index = 0
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ru = []
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for i in enum:
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copy_qwebcontext["%s_value" % var] = i
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copy_qwebcontext["%s_index" % var] = index
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copy_qwebcontext["%s_first" % var] = index == 0
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copy_qwebcontext["%s_even" % var] = index % 2
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copy_qwebcontext["%s_odd" % var] = (index + 1) % 2
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copy_qwebcontext["%s_last" % var] = index + 1 == size
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if index % 2:
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copy_qwebcontext["%s_parity" % var] = 'odd'
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else:
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copy_qwebcontext["%s_parity" % var] = 'even'
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if 'as' in template_attributes:
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copy_qwebcontext[var] = i
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elif isinstance(i, dict):
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copy_qwebcontext.update(i)
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ru.append(self.render_element(element, template_attributes, generated_attributes, copy_qwebcontext))
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index += 1
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return "".join(ru)
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else:
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template = qwebcontext.get('__template__')
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raise QWebException("foreach enumerator %r is not defined while rendering template %r" % (expr, template), template=template)
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def render_tag_if(self, element, template_attributes, generated_attributes, qwebcontext):
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if self.eval_bool(template_attributes["if"], qwebcontext):
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return self.render_element(element, template_attributes, generated_attributes, qwebcontext)
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return ""
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def render_tag_call(self, element, template_attributes, generated_attributes, qwebcontext):
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d = qwebcontext.copy()
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d[0] = self.render_element(element, template_attributes, generated_attributes, d)
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cr = d.get('request') and d['request'].cr or None
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uid = d.get('request') and d['request'].uid or None
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template = self.eval_format(template_attributes["call"], d)
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try:
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template = int(template)
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except ValueError:
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pass
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return self.render(cr, uid, template, d)
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def render_tag_call_assets(self, element, template_attributes, generated_attributes, qwebcontext):
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""" This special 't-call' tag can be used in order to aggregate/minify javascript and css assets"""
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name = template_attributes['call-assets']
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# Backward compatibility hack for manifest usage
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qwebcontext['manifest_list'] = openerp.addons.web.controllers.main.manifest_list
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d = qwebcontext.copy()
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d.context['inherit_branding'] = False
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content = self.render_tag_call(
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element, {'call': name}, generated_attributes, d)
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if qwebcontext.get('debug'):
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return content
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bundle = AssetsBundle(name, html=content)
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return bundle.to_html()
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def render_tag_set(self, element, template_attributes, generated_attributes, qwebcontext):
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if "value" in template_attributes:
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qwebcontext[template_attributes["set"]] = self.eval_object(template_attributes["value"], qwebcontext)
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elif "valuef" in template_attributes:
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qwebcontext[template_attributes["set"]] = self.eval_format(template_attributes["valuef"], qwebcontext)
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else:
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qwebcontext[template_attributes["set"]] = self.render_element(element, template_attributes, generated_attributes, qwebcontext)
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return ""
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def render_tag_field(self, element, template_attributes, generated_attributes, qwebcontext):
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""" eg: <span t-record="browse_record(res.partner, 1)" t-field="phone">+1 555 555 8069</span>"""
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node_name = element.nodeName
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assert node_name not in ("table", "tbody", "thead", "tfoot", "tr", "td",
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"li", "ul", "ol", "dl", "dt", "dd"),\
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"RTE widgets do not work correctly on %r elements" % node_name
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assert node_name != 't',\
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"t-field can not be used on a t element, provide an actual HTML node"
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record, field_name = template_attributes["field"].rsplit('.', 1)
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record = self.eval_object(record, qwebcontext)
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column = record._model._all_columns[field_name].column
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options = json.loads(template_attributes.get('field-options') or '{}')
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field_type = get_field_type(column, options)
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converter = self.get_converter_for(field_type)
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return converter.to_html(qwebcontext.cr, qwebcontext.uid, field_name, record, options,
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element, template_attributes, generated_attributes, qwebcontext, context=qwebcontext.context)
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def get_converter_for(self, field_type):
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return self.pool.get('ir.qweb.field.' + field_type, self.pool['ir.qweb.field'])
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def get_widget_for(self, widget):
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return self.pool.get('ir.qweb.widget.' + widget, self.pool['ir.qweb.widget'])
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#--------------------------------------------------------------------
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# QWeb Fields converters
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|
#--------------------------------------------------------------------
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|
|
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class FieldConverter(osv.AbstractModel):
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""" Used to convert a t-field specification into an output HTML field.
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|
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:meth:`~.to_html` is the entry point of this conversion from QWeb, it:
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* converts the record value to html using :meth:`~.record_to_html`
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* generates the metadata attributes (``data-oe-``) to set on the root
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result node
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|
* generates the root result node itself through :meth:`~.render_element`
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"""
|
|
_name = 'ir.qweb.field'
|
|
|
|
def attributes(self, cr, uid, field_name, record, options,
|
|
source_element, g_att, t_att, qweb_context,
|
|
context=None):
|
|
"""
|
|
Generates the metadata attributes (prefixed by ``data-oe-`` for the
|
|
root node of the field conversion. Attribute values are escaped by the
|
|
parent using ``werkzeug.utils.escape``.
|
|
|
|
The default attributes are:
|
|
|
|
* ``model``, the name of the record's model
|
|
* ``id`` the id of the record to which the field belongs
|
|
* ``field`` the name of the converted field
|
|
* ``type`` the logical field type (widget, may not match the column's
|
|
``type``, may not be any _column subclass name)
|
|
* ``translate``, a boolean flag (``0`` or ``1``) denoting whether the
|
|
column is translatable
|
|
* ``expression``, the original expression
|
|
|
|
:returns: iterable of (attribute name, attribute value) pairs.
|
|
"""
|
|
column = record._model._all_columns[field_name].column
|
|
field_type = get_field_type(column, options)
|
|
return [
|
|
('data-oe-model', record._model._name),
|
|
('data-oe-id', record.id),
|
|
('data-oe-field', field_name),
|
|
('data-oe-type', field_type),
|
|
('data-oe-expression', t_att['field']),
|
|
]
|
|
|
|
def value_to_html(self, cr, uid, value, column, options=None, context=None):
|
|
""" Converts a single value to its HTML version/output
|
|
"""
|
|
if not value: return ''
|
|
return value
|
|
|
|
def record_to_html(self, cr, uid, field_name, record, column, options=None, context=None):
|
|
""" Converts the specified field of the browse_record ``record`` to
|
|
HTML
|
|
"""
|
|
return self.value_to_html(
|
|
cr, uid, record[field_name], column, options=options, context=context)
|
|
|
|
def to_html(self, cr, uid, field_name, record, options,
|
|
source_element, t_att, g_att, qweb_context, context=None):
|
|
""" Converts a ``t-field`` to its HTML output. A ``t-field`` may be
|
|
extended by a ``t-field-options``, which is a JSON-serialized mapping
|
|
of configuration values.
|
|
|
|
A default configuration key is ``widget`` which can override the
|
|
field's own ``_type``.
|
|
"""
|
|
try:
|
|
content = self.record_to_html(
|
|
cr, uid, field_name, record,
|
|
record._model._all_columns[field_name].column,
|
|
options, context=context)
|
|
if options.get('html-escape', True):
|
|
content = werkzeug.utils.escape(content)
|
|
elif hasattr(content, '__html__'):
|
|
content = content.__html__()
|
|
except Exception:
|
|
_logger.warning("Could not get field %s for model %s",
|
|
field_name, record._model._name, exc_info=True)
|
|
content = None
|
|
|
|
if context and context.get('inherit_branding'):
|
|
# add branding attributes
|
|
g_att += ''.join(
|
|
' %s="%s"' % (name, werkzeug.utils.escape(value))
|
|
for name, value in self.attributes(
|
|
cr, uid, field_name, record, options,
|
|
source_element, g_att, t_att, qweb_context)
|
|
)
|
|
|
|
return self.render_element(cr, uid, source_element, t_att, g_att,
|
|
qweb_context, content)
|
|
|
|
def qweb_object(self):
|
|
return self.pool['ir.qweb']
|
|
|
|
def render_element(self, cr, uid, source_element, t_att, g_att,
|
|
qweb_context, content):
|
|
""" Final rendering hook, by default just calls ir.qweb's ``render_element``
|
|
"""
|
|
return self.qweb_object().render_element(
|
|
source_element, t_att, g_att, qweb_context, content or '')
|
|
|
|
def user_lang(self, cr, uid, context):
|
|
"""
|
|
Fetches the res.lang object corresponding to the language code stored
|
|
in the user's context. Fallbacks to en_US if no lang is present in the
|
|
context *or the language code is not valid*.
|
|
|
|
:returns: res.lang browse_record
|
|
"""
|
|
if context is None: context = {}
|
|
|
|
lang_code = context.get('lang') or 'en_US'
|
|
Lang = self.pool['res.lang']
|
|
|
|
lang_ids = Lang.search(cr, uid, [('code', '=', lang_code)], context=context) \
|
|
or Lang.search(cr, uid, [('code', '=', 'en_US')], context=context)
|
|
|
|
return Lang.browse(cr, uid, lang_ids[0], context=context)
|
|
|
|
class FloatConverter(osv.AbstractModel):
|
|
_name = 'ir.qweb.field.float'
|
|
_inherit = 'ir.qweb.field'
|
|
|
|
def precision(self, cr, uid, column, options=None, context=None):
|
|
_, precision = column.digits or (None, None)
|
|
return precision
|
|
|
|
def value_to_html(self, cr, uid, value, column, options=None, context=None):
|
|
if context is None:
|
|
context = {}
|
|
precision = self.precision(cr, uid, column, options=options, context=context)
|
|
fmt = '%f' if precision is None else '%.{precision}f'
|
|
|
|
lang_code = context.get('lang') or 'en_US'
|
|
lang = self.pool['res.lang']
|
|
formatted = lang.format(cr, uid, [lang_code], fmt.format(precision=precision), value, grouping=True)
|
|
|
|
# %f does not strip trailing zeroes. %g does but its precision causes
|
|
# it to switch to scientific notation starting at a million *and* to
|
|
# strip decimals. So use %f and if no precision was specified manually
|
|
# strip trailing 0.
|
|
if not precision:
|
|
formatted = re.sub(r'(?:(0|\d+?)0+)$', r'\1', formatted)
|
|
return formatted
|
|
|
|
class DateConverter(osv.AbstractModel):
|
|
_name = 'ir.qweb.field.date'
|
|
_inherit = 'ir.qweb.field'
|
|
|
|
def value_to_html(self, cr, uid, value, column, options=None, context=None):
|
|
if not value: return ''
|
|
lang = self.user_lang(cr, uid, context=context)
|
|
locale = babel.Locale.parse(lang.code)
|
|
|
|
if isinstance(value, basestring):
|
|
value = datetime.datetime.strptime(
|
|
value, openerp.tools.DEFAULT_SERVER_DATE_FORMAT)
|
|
|
|
if options and 'format' in options:
|
|
pattern = options['format']
|
|
else:
|
|
strftime_pattern = lang.date_format
|
|
pattern = openerp.tools.posix_to_ldml(strftime_pattern, locale=locale)
|
|
|
|
return babel.dates.format_datetime(
|
|
value, format=pattern,
|
|
locale=locale)
|
|
|
|
class DateTimeConverter(osv.AbstractModel):
|
|
_name = 'ir.qweb.field.datetime'
|
|
_inherit = 'ir.qweb.field'
|
|
|
|
def value_to_html(self, cr, uid, value, column, options=None, context=None):
|
|
if not value: return ''
|
|
lang = self.user_lang(cr, uid, context=context)
|
|
locale = babel.Locale.parse(lang.code)
|
|
|
|
if isinstance(value, basestring):
|
|
value = datetime.datetime.strptime(
|
|
value, openerp.tools.DEFAULT_SERVER_DATETIME_FORMAT)
|
|
value = fields.datetime.context_timestamp(
|
|
cr, uid, timestamp=value, context=context)
|
|
|
|
if options and 'format' in options:
|
|
pattern = options['format']
|
|
else:
|
|
strftime_pattern = (u"%s %s" % (lang.date_format, lang.time_format))
|
|
pattern = openerp.tools.posix_to_ldml(strftime_pattern, locale=locale)
|
|
|
|
if options and options.get('hide_seconds'):
|
|
pattern = pattern.replace(":ss", "").replace(":s", "")
|
|
|
|
return babel.dates.format_datetime(value, format=pattern, locale=locale)
|
|
|
|
class TextConverter(osv.AbstractModel):
|
|
_name = 'ir.qweb.field.text'
|
|
_inherit = 'ir.qweb.field'
|
|
|
|
def value_to_html(self, cr, uid, value, column, options=None, context=None):
|
|
"""
|
|
Escapes the value and converts newlines to br. This is bullshit.
|
|
"""
|
|
if not value: return ''
|
|
|
|
return nl2br(value, options=options)
|
|
|
|
class SelectionConverter(osv.AbstractModel):
|
|
_name = 'ir.qweb.field.selection'
|
|
_inherit = 'ir.qweb.field'
|
|
|
|
def record_to_html(self, cr, uid, field_name, record, column, options=None, context=None):
|
|
value = record[field_name]
|
|
if not value: return ''
|
|
selection = dict(fields.selection.reify(
|
|
cr, uid, record._model, column))
|
|
return self.value_to_html(
|
|
cr, uid, selection[value], column, options=options)
|
|
|
|
class ManyToOneConverter(osv.AbstractModel):
|
|
_name = 'ir.qweb.field.many2one'
|
|
_inherit = 'ir.qweb.field'
|
|
|
|
def record_to_html(self, cr, uid, field_name, record, column, options=None, context=None):
|
|
[read] = record.read([field_name])
|
|
if not read[field_name]: return ''
|
|
_, value = read[field_name]
|
|
return nl2br(value, options=options)
|
|
|
|
class HTMLConverter(osv.AbstractModel):
|
|
_name = 'ir.qweb.field.html'
|
|
_inherit = 'ir.qweb.field'
|
|
|
|
def value_to_html(self, cr, uid, value, column, options=None, context=None):
|
|
return HTMLSafe(value or '')
|
|
|
|
class ImageConverter(osv.AbstractModel):
|
|
""" ``image`` widget rendering, inserts a data:uri-using image tag in the
|
|
document. May be overridden by e.g. the website module to generate links
|
|
instead.
|
|
|
|
.. todo:: what happens if different output need different converters? e.g.
|
|
reports may need embedded images or FS links whereas website
|
|
needs website-aware
|
|
"""
|
|
_name = 'ir.qweb.field.image'
|
|
_inherit = 'ir.qweb.field'
|
|
|
|
def value_to_html(self, cr, uid, value, column, options=None, context=None):
|
|
try:
|
|
image = Image.open(cStringIO.StringIO(value.decode('base64')))
|
|
image.verify()
|
|
except IOError:
|
|
raise ValueError("Non-image binary fields can not be converted to HTML")
|
|
except: # image.verify() throws "suitable exceptions", I have no idea what they are
|
|
raise ValueError("Invalid image content")
|
|
|
|
return HTMLSafe('<img src="data:%s;base64,%s">' % (Image.MIME[image.format], value))
|
|
|
|
class MonetaryConverter(osv.AbstractModel):
|
|
""" ``monetary`` converter, has a mandatory option
|
|
``display_currency``.
|
|
|
|
The currency is used for formatting *and rounding* of the float value. It
|
|
is assumed that the linked res_currency has a non-empty rounding value and
|
|
res.currency's ``round`` method is used to perform rounding.
|
|
|
|
.. note:: the monetary converter internally adds the qweb context to its
|
|
options mapping, so that the context is available to callees.
|
|
It's set under the ``_qweb_context`` key.
|
|
"""
|
|
_name = 'ir.qweb.field.monetary'
|
|
_inherit = 'ir.qweb.field'
|
|
|
|
def to_html(self, cr, uid, field_name, record, options,
|
|
source_element, t_att, g_att, qweb_context, context=None):
|
|
options['_qweb_context'] = qweb_context
|
|
return super(MonetaryConverter, self).to_html(
|
|
cr, uid, field_name, record, options,
|
|
source_element, t_att, g_att, qweb_context, context=context)
|
|
|
|
def record_to_html(self, cr, uid, field_name, record, column, options, context=None):
|
|
if context is None:
|
|
context = {}
|
|
Currency = self.pool['res.currency']
|
|
display = self.display_currency(cr, uid, options)
|
|
|
|
# lang.format mandates a sprintf-style format. These formats are non-
|
|
# minimal (they have a default fixed precision instead), and
|
|
# lang.format will not set one by default. currency.round will not
|
|
# provide one either. So we need to generate a precision value
|
|
# (integer > 0) from the currency's rounding (a float generally < 1.0).
|
|
#
|
|
# The log10 of the rounding should be the number of digits involved if
|
|
# negative, if positive clamp to 0 digits and call it a day.
|
|
# nb: int() ~ floor(), we want nearest rounding instead
|
|
precision = int(round(math.log10(display.rounding)))
|
|
fmt = "%.{0}f".format(-precision if precision < 0 else 0)
|
|
|
|
lang_code = context.get('lang') or 'en_US'
|
|
lang = self.pool['res.lang']
|
|
formatted_amount = lang.format(cr, uid, [lang_code],
|
|
fmt, Currency.round(cr, uid, display, record[field_name]),
|
|
grouping=True, monetary=True)
|
|
|
|
pre = post = u''
|
|
if display.position == 'before':
|
|
pre = u'{symbol} '
|
|
else:
|
|
post = u' {symbol}'
|
|
|
|
return HTMLSafe(u'{pre}<span class="oe_currency_value">{0}</span>{post}'.format(
|
|
formatted_amount,
|
|
pre=pre, post=post,
|
|
).format(
|
|
symbol=display.symbol,
|
|
))
|
|
|
|
def display_currency(self, cr, uid, options):
|
|
return self.qweb_object().eval_object(
|
|
options['display_currency'], options['_qweb_context'])
|
|
|
|
TIMEDELTA_UNITS = (
|
|
('year', 3600 * 24 * 365),
|
|
('month', 3600 * 24 * 30),
|
|
('week', 3600 * 24 * 7),
|
|
('day', 3600 * 24),
|
|
('hour', 3600),
|
|
('minute', 60),
|
|
('second', 1)
|
|
)
|
|
class DurationConverter(osv.AbstractModel):
|
|
""" ``duration`` converter, to display integral or fractional values as
|
|
human-readable time spans (e.g. 1.5 as "1 hour 30 minutes").
|
|
|
|
Can be used on any numerical field.
|
|
|
|
Has a mandatory option ``unit`` which can be one of ``second``, ``minute``,
|
|
``hour``, ``day``, ``week`` or ``year``, used to interpret the numerical
|
|
field value before converting it.
|
|
|
|
Sub-second values will be ignored.
|
|
"""
|
|
_name = 'ir.qweb.field.duration'
|
|
_inherit = 'ir.qweb.field'
|
|
|
|
def value_to_html(self, cr, uid, value, column, options=None, context=None):
|
|
units = dict(TIMEDELTA_UNITS)
|
|
if value < 0:
|
|
raise ValueError(_("Durations can't be negative"))
|
|
if not options or options.get('unit') not in units:
|
|
raise ValueError(_("A unit must be provided to duration widgets"))
|
|
|
|
locale = babel.Locale.parse(
|
|
self.user_lang(cr, uid, context=context).code)
|
|
factor = units[options['unit']]
|
|
|
|
sections = []
|
|
r = value * factor
|
|
for unit, secs_per_unit in TIMEDELTA_UNITS:
|
|
v, r = divmod(r, secs_per_unit)
|
|
if not v: continue
|
|
section = babel.dates.format_timedelta(
|
|
v*secs_per_unit, threshold=1, locale=locale)
|
|
if section:
|
|
sections.append(section)
|
|
return u' '.join(sections)
|
|
|
|
class RelativeDatetimeConverter(osv.AbstractModel):
|
|
_name = 'ir.qweb.field.relative'
|
|
_inherit = 'ir.qweb.field'
|
|
|
|
def value_to_html(self, cr, uid, value, column, options=None, context=None):
|
|
parse_format = openerp.tools.DEFAULT_SERVER_DATETIME_FORMAT
|
|
locale = babel.Locale.parse(
|
|
self.user_lang(cr, uid, context=context).code)
|
|
|
|
if isinstance(value, basestring):
|
|
value = datetime.datetime.strptime(value, parse_format)
|
|
|
|
# value should be a naive datetime in UTC. So is fields.datetime.now()
|
|
reference = datetime.datetime.strptime(column.now(), parse_format)
|
|
|
|
return babel.dates.format_timedelta(
|
|
value - reference, add_direction=True, locale=locale)
|
|
|
|
class Contact(orm.AbstractModel):
|
|
_name = 'ir.qweb.field.contact'
|
|
_inherit = 'ir.qweb.field.many2one'
|
|
|
|
def record_to_html(self, cr, uid, field_name, record, column, options=None, context=None):
|
|
if options is None:
|
|
options = {}
|
|
opf = options.get('fields') or ["name", "address", "phone", "mobile", "fax", "email"]
|
|
|
|
if not getattr(record, field_name):
|
|
return None
|
|
|
|
id = getattr(record, field_name).id
|
|
field_browse = self.pool[column._obj].browse(cr, openerp.SUPERUSER_ID, id, context={"show_address": True})
|
|
value = field_browse.name_get()[0][1]
|
|
|
|
val = {
|
|
'name': value.split("\n")[0],
|
|
'address': werkzeug.utils.escape("\n".join(value.split("\n")[1:])),
|
|
'phone': field_browse.phone,
|
|
'mobile': field_browse.mobile,
|
|
'fax': field_browse.fax,
|
|
'city': field_browse.city,
|
|
'country_id': field_browse.country_id and field_browse.country_id.name_get()[0][1],
|
|
'email': field_browse.email,
|
|
'fields': opf,
|
|
'object': field_browse,
|
|
'options': options
|
|
}
|
|
|
|
html = self.pool["ir.ui.view"].render(cr, uid, "base.contact", val, engine='ir.qweb', context=context).decode('utf8')
|
|
|
|
return HTMLSafe(html)
|
|
|
|
class QwebView(orm.AbstractModel):
|
|
_name = 'ir.qweb.field.qweb'
|
|
_inherit = 'ir.qweb.field.many2one'
|
|
|
|
def record_to_html(self, cr, uid, field_name, record, column, options=None, context=None):
|
|
if not getattr(record, field_name):
|
|
return None
|
|
|
|
view = getattr(record, field_name)
|
|
|
|
if view._model._name != "ir.ui.view":
|
|
_logger.warning("%s.%s must be a 'ir.ui.view' model." % (record, field_name))
|
|
return None
|
|
|
|
ctx = (context or {}).copy()
|
|
ctx['object'] = record
|
|
html = view.render(ctx, engine='ir.qweb', context=ctx).decode('utf8')
|
|
|
|
return HTMLSafe(html)
|
|
|
|
class QwebWidget(osv.AbstractModel):
|
|
_name = 'ir.qweb.widget'
|
|
|
|
def _format(self, inner, options, qwebcontext):
|
|
return self.pool['ir.qweb'].eval_str(inner, qwebcontext)
|
|
|
|
def format(self, inner, options, qwebcontext):
|
|
return werkzeug.utils.escape(self._format(inner, options, qwebcontext))
|
|
|
|
class QwebWidgetMonetary(osv.AbstractModel):
|
|
_name = 'ir.qweb.widget.monetary'
|
|
_inherit = 'ir.qweb.widget'
|
|
|
|
def _format(self, inner, options, qwebcontext):
|
|
inner = self.pool['ir.qweb'].eval(inner, qwebcontext)
|
|
display = self.pool['ir.qweb'].eval_object(options['display_currency'], qwebcontext)
|
|
precision = int(round(math.log10(display.rounding)))
|
|
fmt = "%.{0}f".format(-precision if precision < 0 else 0)
|
|
lang_code = qwebcontext.context.get('lang') or 'en_US'
|
|
formatted_amount = self.pool['res.lang'].format(
|
|
qwebcontext.cr, qwebcontext.uid, [lang_code], fmt, inner, grouping=True, monetary=True
|
|
)
|
|
pre = post = u''
|
|
if display.position == 'before':
|
|
pre = u'{symbol} '
|
|
else:
|
|
post = u' {symbol}'
|
|
|
|
return u'{pre}{0}{post}'.format(
|
|
formatted_amount, pre=pre, post=post
|
|
).format(symbol=display.symbol,)
|
|
|
|
class HTMLSafe(object):
|
|
""" HTMLSafe string wrapper, Werkzeug's escape() has special handling for
|
|
objects with a ``__html__`` methods but AFAIK does not provide any such
|
|
object.
|
|
|
|
Wrapping a string in HTML will prevent its escaping
|
|
"""
|
|
__slots__ = ['string']
|
|
def __init__(self, string):
|
|
self.string = string
|
|
def __html__(self):
|
|
return self.string
|
|
def __str__(self):
|
|
s = self.string
|
|
if isinstance(s, unicode):
|
|
return s.encode('utf-8')
|
|
return s
|
|
def __unicode__(self):
|
|
s = self.string
|
|
if isinstance(s, str):
|
|
return s.decode('utf-8')
|
|
return s
|
|
|
|
def nl2br(string, options=None):
|
|
""" Converts newlines to HTML linebreaks in ``string``. Automatically
|
|
escapes content unless options['html-escape'] is set to False, and returns
|
|
the result wrapped in an HTMLSafe object.
|
|
|
|
:param str string:
|
|
:param dict options:
|
|
:rtype: HTMLSafe
|
|
"""
|
|
if options is None: options = {}
|
|
|
|
if options.get('html-escape', True):
|
|
string = werkzeug.utils.escape(string)
|
|
return HTMLSafe(string.replace('\n', '<br>\n'))
|
|
|
|
def get_field_type(column, options):
|
|
""" Gets a t-field's effective type from the field's column and its options
|
|
"""
|
|
return options.get('widget', column._type)
|
|
|
|
class AssetsBundle(object):
|
|
cache = openerp.tools.lru.LRU(32)
|
|
rx_css_import = re.compile("(@import[^;{]+;?)", re.M)
|
|
|
|
def __init__(self, xmlid, html=None, debug=False):
|
|
self.debug = debug
|
|
self.xmlid = xmlid
|
|
self.javascripts = []
|
|
self.stylesheets = []
|
|
self.remains = []
|
|
self._checksum = None
|
|
if html:
|
|
self.parse(html)
|
|
|
|
def parse(self, html):
|
|
fragments = lxml.html.fragments_fromstring(html)
|
|
for el in fragments:
|
|
if isinstance(el, basestring):
|
|
self.remains.append(el)
|
|
elif isinstance(el, lxml.html.HtmlElement):
|
|
src = el.get('src')
|
|
href = el.get('href')
|
|
if el.tag == 'style':
|
|
self.stylesheets.append(StylesheetAsset(source=el.text))
|
|
elif el.tag == 'link' and el.get('rel') == 'stylesheet' and self.can_aggregate(href):
|
|
self.stylesheets.append(StylesheetAsset(url=href))
|
|
elif el.tag == 'script' and not src:
|
|
self.javascripts.append(JavascriptAsset(source=el.text))
|
|
elif el.tag == 'script' and self.can_aggregate(src):
|
|
self.javascripts.append(JavascriptAsset(url=src))
|
|
else:
|
|
self.remains.append(lxml.html.tostring(el))
|
|
else:
|
|
try:
|
|
self.remains.append(lxml.html.tostring(el))
|
|
except Exception:
|
|
# notYETimplementederror
|
|
raise NotImplementedError
|
|
|
|
def can_aggregate(self, url):
|
|
return not urlparse(url).netloc and not url.startswith(('/web/css', '/web/js'))
|
|
|
|
def to_html(self, sep='\n'):
|
|
response = []
|
|
if self.stylesheets:
|
|
response.append('<link href="/web/css/%s" rel="stylesheet"/>' % self.xmlid)
|
|
if self.javascripts:
|
|
response.append('<script type="text/javascript" src="/web/js/%s"></script>' % self.xmlid)
|
|
response.extend(self.remains)
|
|
|
|
return sep.join(response)
|
|
|
|
@openerp.tools.func.lazy_property
|
|
def last_modified(self):
|
|
return max(itertools.chain(
|
|
(asset.last_modified for asset in self.javascripts),
|
|
(asset.last_modified for asset in self.stylesheets),
|
|
[datetime.datetime(1970, 1, 1)],
|
|
))
|
|
|
|
@openerp.tools.func.lazy_property
|
|
def checksum(self):
|
|
checksum = hashlib.new('sha1')
|
|
for asset in itertools.chain(self.javascripts, self.stylesheets):
|
|
checksum.update(asset.content.encode("utf-8"))
|
|
return checksum.hexdigest()
|
|
|
|
def js(self):
|
|
key = 'js_' + self.checksum
|
|
if key not in self.cache:
|
|
content =';\n'.join(asset.minify() for asset in self.javascripts)
|
|
self.cache[key] = content
|
|
if self.debug:
|
|
return "/*\n%s\n*/\n" % '\n'.join(
|
|
[asset.filename for asset in self.javascripts if asset.filename]) + self.cache[key]
|
|
return self.cache[key]
|
|
|
|
def css(self):
|
|
key = 'css_' + self.checksum
|
|
if key not in self.cache:
|
|
content = '\n'.join(asset.minify() for asset in self.stylesheets)
|
|
# move up all @import rules to the top
|
|
matches = []
|
|
def push(matchobj):
|
|
matches.append(matchobj.group(0))
|
|
return ''
|
|
|
|
content = re.sub(self.rx_css_import, push, content)
|
|
|
|
matches.append(content)
|
|
content = u'\n'.join(matches)
|
|
self.cache[key] = content
|
|
if self.debug:
|
|
return "/*\n%s\n*/\n" % '\n'.join(
|
|
[asset.filename for asset in self.javascripts if asset.filename]) + self.cache[key]
|
|
return self.cache[key]
|
|
|
|
class WebAsset(object):
|
|
def __init__(self, source=None, url=None):
|
|
self.source = source
|
|
self.url = url
|
|
self._filename = None
|
|
self._content = None
|
|
|
|
@property
|
|
def filename(self):
|
|
if self._filename is None and self.url:
|
|
module = filter(None, self.url.split('/'))[0]
|
|
try:
|
|
mpath = openerp.http.addons_manifest[module]['addons_path']
|
|
except Exception:
|
|
raise KeyError("Could not find asset '%s' for '%s' addon" % (self.url, module))
|
|
self._filename = mpath + self.url.replace('/', os.path.sep)
|
|
return self._filename
|
|
|
|
@property
|
|
def content(self):
|
|
if self._content is None:
|
|
self._content = self.get_content()
|
|
return self._content
|
|
|
|
def get_content(self):
|
|
if self.source:
|
|
return self.source
|
|
|
|
with open(self.filename, 'rb') as fp:
|
|
return fp.read().decode('utf-8')
|
|
|
|
def minify(self):
|
|
return self.content
|
|
|
|
@property
|
|
def last_modified(self):
|
|
if self.source:
|
|
# TODO: return last_update of bundle's ir.ui.view
|
|
return datetime.datetime(1970, 1, 1)
|
|
return datetime.datetime.fromtimestamp(os.path.getmtime(self.filename))
|
|
|
|
class JavascriptAsset(WebAsset):
|
|
def minify(self):
|
|
return rjsmin(self.content)
|
|
|
|
class StylesheetAsset(WebAsset):
|
|
rx_import = re.compile(r"""@import\s+('|")(?!'|"|/|https?://)""", re.U)
|
|
rx_url = re.compile(r"""url\s*\(\s*('|"|)(?!'|"|/|https?://|data:)""", re.U)
|
|
rx_comments = re.compile(r"""/\*.*\*/""", re.S)
|
|
rx_sourceMap = re.compile(r'(/\*# sourceMappingURL=.*)', re.U)
|
|
|
|
def _get_content(self):
|
|
if self.source:
|
|
return self.source
|
|
|
|
with open(self.filename, 'rb') as fp:
|
|
firstline = fp.readline()
|
|
m = re.match(r'@charset "([^"]+)";', firstline)
|
|
if m:
|
|
encoding = m.group(1)
|
|
else:
|
|
encoding = "utf-8"
|
|
# "reinject" first line as it's not @charset
|
|
fp.seek(0)
|
|
|
|
return fp.read().decode(encoding)
|
|
|
|
def get_content(self):
|
|
content = self._get_content()
|
|
if self.url:
|
|
web_dir = os.path.dirname(self.url)
|
|
|
|
content = self.rx_import.sub(
|
|
r"""@import \1%s/""" % (web_dir,),
|
|
content,
|
|
)
|
|
|
|
content = self.rx_url.sub(
|
|
r"url(\1%s/" % (web_dir,),
|
|
content,
|
|
)
|
|
return content
|
|
|
|
def minify(self):
|
|
# remove existing sourcemaps, make no sense after re-mini
|
|
return self.rx_sourceMap.sub('', self.content)
|
|
# return self.rx_comments.sub('', self.content)
|
|
|
|
def rjsmin(script):
|
|
""" Minify js with a clever regex.
|
|
Taken from http://opensource.perlig.de/rjsmin
|
|
Apache License, Version 2.0 """
|
|
def subber(match):
|
|
""" Substitution callback """
|
|
groups = match.groups()
|
|
return (
|
|
groups[0] or
|
|
groups[1] or
|
|
groups[2] or
|
|
groups[3] or
|
|
(groups[4] and '\n') or
|
|
(groups[5] and ' ') or
|
|
(groups[6] and ' ') or
|
|
(groups[7] and ' ') or
|
|
''
|
|
)
|
|
|
|
result = re.sub(
|
|
r'([^\047"/\000-\040]+)|((?:(?:\047[^\047\\\r\n]*(?:\\(?:[^\r\n]|\r?'
|
|
r'\n|\r)[^\047\\\r\n]*)*\047)|(?:"[^"\\\r\n]*(?:\\(?:[^\r\n]|\r?\n|'
|
|
r'\r)[^"\\\r\n]*)*"))[^\047"/\000-\040]*)|(?:(?<=[(,=:\[!&|?{};\r\n]'
|
|
r')(?:[\000-\011\013\014\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/'
|
|
r'))*((?:/(?![\r\n/*])[^/\\\[\r\n]*(?:(?:\\[^\r\n]|(?:\[[^\\\]\r\n]*'
|
|
r'(?:\\[^\r\n][^\\\]\r\n]*)*\]))[^/\\\[\r\n]*)*/)[^\047"/\000-\040]*'
|
|
r'))|(?:(?<=[\000-#%-,./:-@\[-^`{-~-]return)(?:[\000-\011\013\014\01'
|
|
r'6-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))*((?:/(?![\r\n/*])[^/'
|
|
r'\\\[\r\n]*(?:(?:\\[^\r\n]|(?:\[[^\\\]\r\n]*(?:\\[^\r\n][^\\\]\r\n]'
|
|
r'*)*\]))[^/\\\[\r\n]*)*/)[^\047"/\000-\040]*))|(?<=[^\000-!#%&(*,./'
|
|
r':-@\[\\^`{|~])(?:[\000-\011\013\014\016-\040]|(?:/\*[^*]*\*+(?:[^/'
|
|
r'*][^*]*\*+)*/))*(?:((?:(?://[^\r\n]*)?[\r\n]))(?:[\000-\011\013\01'
|
|
r'4\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))*)+(?=[^\000-\040"#'
|
|
r'%-\047)*,./:-@\\-^`|-~])|(?<=[^\000-#%-,./:-@\[-^`{-~-])((?:[\000-'
|
|
r'\011\013\014\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/)))+(?=[^'
|
|
r'\000-#%-,./:-@\[-^`{-~-])|(?<=\+)((?:[\000-\011\013\014\016-\040]|'
|
|
r'(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/)))+(?=\+)|(?<=-)((?:[\000-\011\0'
|
|
r'13\014\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/)))+(?=-)|(?:[\0'
|
|
r'00-\011\013\014\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))+|(?:'
|
|
r'(?:(?://[^\r\n]*)?[\r\n])(?:[\000-\011\013\014\016-\040]|(?:/\*[^*'
|
|
r']*\*+(?:[^/*][^*]*\*+)*/))*)+', subber, '\n%s\n' % script
|
|
).strip()
|
|
return result
|
|
|
|
# vim:et:
|