def _repr(self, value, pos):
# __traceback_hide__ = True
try:
if value is None:
return ''
if self._unicode:
try:
value = unicode(value)
except UnicodeDecodeError:
value = bytes(value)
else:
if not isinstance(value, basestring_):
value = coerce_text(value)
if (is_unicode(value) and self.default_encoding):
value = value.encode(self.default_encoding)
except:
exc_info = sys.exc_info()
e = exc_info[1]
e.args = (self._add_line_info(e.args[0], pos),)
raise(exc_info[1], e, exc_info[2])
else:
if self._unicode and isinstance(value, bytes):
if not self.default_encoding:
raise UnicodeDecodeError(
'Cannot decode bytes value %r into unicode '
'(no default_encoding provided)' % value)
try:
value = value.decode(self.default_encoding)
except UnicodeDecodeError as e:
raise UnicodeDecodeError(
e.encoding,
e.object,
e.start,
e.end,
e.reason + ' in string %r' % value)
elif not self._unicode and is_unicode(value):
if not self.default_encoding:
raise UnicodeEncodeError(
'Cannot encode unicode value %r into bytes '
'(no default_encoding provided)' % value)
value = value.encode(self.default_encoding)
return value
def html_quote(value, force=True):
if not force and hasattr(value, '__html__'):
return value.__html__()
if value is None:
return ''
if not isinstance(value, basestring_):
value = coerce_text(value)
if sys.version >= "3" and isinstance(value, bytes):
value = cgi.escape(value.decode('latin1'), 1)
value = value.encode('latin1')
else:
value = cgi.escape(value, 1)
if sys.version < "3":
if is_unicode(value):
value = value.encode('ascii', 'xmlcharrefreplace')
return value
def __init__(self, content, name=None, namespace=None, stacklevel=None,
get_template=None, default_inherit=None, line_offset=0,
delimeters=None):
self.content = content
# set delimeters
if delimeters is None:
delimeters = (self.default_namespace['start_braces'],
self.default_namespace['end_braces'])
else:
assert len(delimeters) == 2 and all(
[isinstance(delimeter, basestring)
for delimeter in delimeters])
self.default_namespace = self.__class__.default_namespace.copy()
self.default_namespace['start_braces'] = delimeters[0]
self.default_namespace['end_braces'] = delimeters[1]
self.delimeters = delimeters
self._unicode = is_unicode(content)
if name is None and stacklevel is not None:
try:
caller = sys._getframe(stacklevel)
except ValueError:
pass
else:
globals = caller.f_globals
lineno = caller.f_lineno
if '__file__' in globals:
name = globals['__file__']
if name.endswith('.pyc') or name.endswith('.pyo'):
name = name[:-1]
elif '__name__' in globals:
name = globals['__name__']
else:
name = '<string>'
if lineno:
name += ':%s' % lineno
self.name = name
self._parsed = parse(
content, name=name, line_offset=line_offset,
delimeters=self.delimeters)
if namespace is None:
namespace = {}
self.namespace = namespace
self.get_template = get_template
if default_inherit is not None:
self.default_inherit = default_inherit
def url(v):
v = coerce_text(v)
if is_unicode(v):
v = v.encode('utf8')
return url_quote(v)