302 lines
9.8 KiB
Python
302 lines
9.8 KiB
Python
import cgi
|
|
import logging
|
|
import types
|
|
|
|
#from openerp.tools.safe_eval import safe_eval as eval
|
|
|
|
import xml # FIXME use lxml
|
|
import xml.dom.minidom
|
|
|
|
_logger = logging.getLogger(__name__)
|
|
|
|
class QWebEval(object):
|
|
def __init__(self, data):
|
|
self.data = data
|
|
|
|
def __getitem__(self, expr):
|
|
if expr in self.data:
|
|
return self.data[expr]
|
|
r = ''
|
|
try:
|
|
r = eval(expr, self.data)
|
|
except NameError:
|
|
pass
|
|
except AttributeError:
|
|
pass
|
|
except Exception:
|
|
_logger.exception('invalid expression: %r', expr)
|
|
|
|
self.data.pop('__builtins__', None)
|
|
return r
|
|
|
|
def eval_object(self, expr):
|
|
return self[expr]
|
|
|
|
def eval_str(self, expr):
|
|
if expr == "0":
|
|
return self.data.get(0, '')
|
|
if isinstance(self[expr], unicode):
|
|
return self[expr].encode("utf8")
|
|
return str(self[expr])
|
|
|
|
def eval_format(self, expr):
|
|
try:
|
|
return str(expr % self)
|
|
except:
|
|
return "qweb: format error '%s' " % expr
|
|
# if isinstance(r,unicode):
|
|
# return r.encode("utf8")
|
|
|
|
def eval_bool(self, expr):
|
|
if self.eval_object(expr):
|
|
return 1
|
|
else:
|
|
return 0
|
|
|
|
class QWebXml(object):
|
|
"""QWeb Xml templating engine
|
|
|
|
The templating engine use a very simple syntax, "magic" xml attributes, to
|
|
produce any kind of texutal output (even non-xml).
|
|
|
|
QWebXml:
|
|
the template engine core implements the basic magic attributes:
|
|
|
|
t-att t-raw t-esc t-if t-foreach t-set t-call t-trim
|
|
|
|
|
|
- loader: function that return a template
|
|
|
|
|
|
"""
|
|
def __init__(self, loader):
|
|
self.loader = loader
|
|
self.node = xml.dom.Node
|
|
self._t = {}
|
|
self._render_tag = {}
|
|
|
|
prefix = 'render_tag_'
|
|
for i in [j for j in dir(self) if j.startswith(prefix)]:
|
|
name = i[len(prefix):].replace('_', '-')
|
|
self._render_tag[name] = getattr(self.__class__, i)
|
|
|
|
self._render_att = {}
|
|
prefix = 'render_att_'
|
|
for i in [j for j in dir(self) if j.startswith(prefix)]:
|
|
name = i[len(prefix):].replace('_', '-')
|
|
self._render_att[name] = getattr(self.__class__, i)
|
|
|
|
def register_tag(self, tag, func):
|
|
self._render_tag[tag] = func
|
|
|
|
def add_template(self, x):
|
|
if hasattr(x, 'documentElement'):
|
|
dom = x
|
|
elif x.startswith("<?xml"):
|
|
dom = xml.dom.minidom.parseString(x)
|
|
else:
|
|
dom = xml.dom.minidom.parse(x)
|
|
for n in dom.documentElement.childNodes:
|
|
if n.nodeName == "t":
|
|
self._t[str(n.getAttribute("t-name"))] = n
|
|
|
|
def get_template(self, name):
|
|
if name in self._t:
|
|
return self._t[name]
|
|
else:
|
|
xml = self.loader(name)
|
|
self.add_template(xml)
|
|
if name in self._t:
|
|
return self._t[name]
|
|
raise KeyError('qweb: template "%s" not found' % name)
|
|
|
|
def eval_object(self, expr, v):
|
|
return QWebEval(v).eval_object(expr)
|
|
|
|
def eval_str(self, expr, v):
|
|
return QWebEval(v).eval_str(expr)
|
|
|
|
def eval_format(self, expr, v):
|
|
return QWebEval(v).eval_format(expr)
|
|
|
|
def eval_bool(self, expr, v):
|
|
return QWebEval(v).eval_bool(expr)
|
|
|
|
def render(self, tname, v=None, out=None):
|
|
if v is None:
|
|
v = {}
|
|
return self.render_node(self.get_template(tname), v)
|
|
|
|
def render_node(self, e, v):
|
|
r = ""
|
|
if e.nodeType == self.node.TEXT_NODE or e.nodeType == self.node.CDATA_SECTION_NODE:
|
|
r = e.data.encode("utf8")
|
|
elif e.nodeType == self.node.ELEMENT_NODE:
|
|
g_att = ""
|
|
t_render = None
|
|
t_att = {}
|
|
for (an, av) in e.attributes.items():
|
|
an = str(an)
|
|
if isinstance(av, types.UnicodeType):
|
|
av = av.encode("utf8")
|
|
else:
|
|
av = av.nodeValue.encode("utf8")
|
|
if an.startswith("t-"):
|
|
for i in self._render_att:
|
|
if an[2:].startswith(i):
|
|
g_att += self._render_att[i](self, e, an, av, v)
|
|
break
|
|
else:
|
|
if an[2:] in self._render_tag:
|
|
t_render = an[2:]
|
|
t_att[an[2:]] = av
|
|
else:
|
|
g_att += ' %s="%s"' % (an, cgi.escape(av, 1))
|
|
if t_render:
|
|
if t_render in self._render_tag:
|
|
r = self._render_tag[t_render](self, e, t_att, g_att, v)
|
|
else:
|
|
r = self.render_element(e, t_att, g_att, v)
|
|
return r
|
|
|
|
def render_element(self, e, t_att, g_att, v, inner=None):
|
|
# e: element
|
|
# t_att: t-* attributes
|
|
# g_att: generated attributes
|
|
# v: values
|
|
# inner: optional innerXml
|
|
if inner:
|
|
g_inner = inner
|
|
else:
|
|
g_inner = []
|
|
for n in e.childNodes:
|
|
g_inner.append(self.render_node(n, v))
|
|
name = str(e.nodeName)
|
|
inner = "".join(g_inner)
|
|
trim = t_att.get("trim", 0)
|
|
if trim == 0:
|
|
pass
|
|
elif trim == 'left':
|
|
inner = inner.lstrip()
|
|
elif trim == 'right':
|
|
inner = inner.rstrip()
|
|
elif trim == 'both':
|
|
inner = inner.strip()
|
|
if name == "t":
|
|
return inner
|
|
elif len(inner) or name in ['script','i']:
|
|
# script should be rendered as <script></script>
|
|
return "<%s%s>%s</%s>" % (name, g_att, inner, name)
|
|
else:
|
|
return "<%s%s/>" % (name, g_att)
|
|
|
|
# Attributes
|
|
def render_att_att(self, e, an, av, v):
|
|
if an.startswith("t-attf-"):
|
|
att, val = an[7:], self.eval_format(av, v)
|
|
elif an.startswith("t-att-"):
|
|
att, val = an[6:], self.eval_str(av, v)
|
|
else:
|
|
att, val = self.eval_object(av, v)
|
|
return ' %s="%s"' % (att, cgi.escape(val, 1))
|
|
|
|
# Tags
|
|
def render_tag_raw(self, e, t_att, g_att, v):
|
|
inner = self.eval_str(t_att["raw"], v)
|
|
return self.render_element(e, t_att, g_att, v, inner)
|
|
|
|
def render_tag_rawf(self, e, t_att, g_att, v):
|
|
inner = self.eval_format(t_att["rawf"], v)
|
|
return self.render_element(e, t_att, g_att, v, inner)
|
|
|
|
def render_tag_esc(self, e, t_att, g_att, v):
|
|
inner = cgi.escape(self.eval_str(t_att["esc"], v))
|
|
return self.render_element(e, t_att, g_att, v, inner)
|
|
|
|
def render_tag_escf(self, e, t_att, g_att, v):
|
|
inner = cgi.escape(self.eval_format(t_att["escf"], v))
|
|
return self.render_element(e, t_att, g_att, v, inner)
|
|
|
|
def render_tag_foreach(self, e, t_att, g_att, v):
|
|
expr = t_att["foreach"]
|
|
enum = self.eval_object(expr, v)
|
|
if enum is not None:
|
|
var = t_att.get('as', expr).replace('.', '_')
|
|
d = v.copy()
|
|
size = -1
|
|
if isinstance(enum, types.ListType):
|
|
size = len(enum)
|
|
elif isinstance(enum, types.TupleType):
|
|
size = len(enum)
|
|
elif hasattr(enum, 'count'):
|
|
size = enum.count()
|
|
d["%s_size" % var] = size
|
|
d["%s_all" % var] = enum
|
|
index = 0
|
|
ru = []
|
|
for i in enum:
|
|
d["%s_value" % var] = i
|
|
d["%s_index" % var] = index
|
|
d["%s_first" % var] = index == 0
|
|
d["%s_even" % var] = index % 2
|
|
d["%s_odd" % var] = (index + 1) % 2
|
|
d["%s_last" % var] = index + 1 == size
|
|
if index % 2:
|
|
d["%s_parity" % var] = 'odd'
|
|
else:
|
|
d["%s_parity" % var] = 'even'
|
|
if isinstance(i, types.DictType):
|
|
d.update(i)
|
|
else:
|
|
d[var] = i
|
|
ru.append(self.render_element(e, t_att, g_att, d))
|
|
index += 1
|
|
return "".join(ru)
|
|
else:
|
|
return "qweb: t-foreach %s not found." % expr
|
|
|
|
def render_tag_if(self, e, t_att, g_att, v):
|
|
if self.eval_bool(t_att["if"], v):
|
|
return self.render_element(e, t_att, g_att, v)
|
|
else:
|
|
return ""
|
|
|
|
def render_tag_call(self, e, t_att, g_att, v):
|
|
if "import" in t_att:
|
|
d = v
|
|
else:
|
|
d = v.copy()
|
|
d[0] = self.render_element(e, t_att, g_att, d)
|
|
return self.render(t_att["call"], d)
|
|
|
|
def render_tag_set(self, e, t_att, g_att, v):
|
|
if "value" in t_att:
|
|
v[t_att["set"]] = self.eval_object(t_att["value"], v)
|
|
else:
|
|
v[t_att["set"]] = self.render_element(e, t_att, g_att, v)
|
|
return ""
|
|
|
|
def render_tag_field(self, e, t_att, g_att, v):
|
|
""" eg: <span t-record="browse_record(res.partner, 1)" t-field="phone">+1 555 555 8069</span>"""
|
|
record = v[t_att["record"]]
|
|
|
|
inner = ""
|
|
try:
|
|
if record._model._all_columns.get(t_att["field"]).column._type == 'many2one':
|
|
field = getattr(record, t_att["field"])
|
|
if field:
|
|
inner = cgi.escape(str(field.name_get()[0][1]))
|
|
else:
|
|
inner = cgi.escape(str(getattr(record, t_att["field"])))
|
|
if e.tagName != 't':
|
|
# <t/> are escaped
|
|
g_att += ' %s="%s"' % ('data-oe-model', record._model._name)
|
|
g_att += ' %s="%s"' % ('data-oe-id', str(record.id))
|
|
g_att += ' %s="%s"' % ('data-oe-field', t_att["field"])
|
|
except AttributeError:
|
|
_logger.warning("t-field no field %s for model %s", t_att["field"], record._model._name)
|
|
|
|
return self.render_element(e, t_att, g_att, v, inner)
|
|
|
|
# leave this, al.
|