def elif_(self, expr):
if self.childnodes is self.elsenodes:
raise TextTemplateError('else_() has already been called')
self.codeobj_list.append(_compile(expr.strip(), '<string>', 'eval'))
self.childnodes = []
self.ifnodes_list.append(self.childnodes)
def compile_until(terminators, source, filename, mode, flags=0, dont_inherit=0):
"""Do built-in `compile()` until one of the tokens in
`terminators` found in `source`.
Return `(codeobj, offset)` tuple.
The argument `terminators` is a list of string tokens specifies
the end of the source code.
>>> src = 'a=3}}'
>>> codeobj, offset = compile_until(['}}'], src, '<string>', 'exec')
>>> src[offset:]
'}}'
>>> exec codeobj
>>> a
3
"""
try:
codeobj = _compile(source, filename, mode, flags, dont_inherit)
except SyntaxError as e:
lines = source.splitlines(True)
i_line = e.lineno - 1
offset = e.offset - 1
lines_body = lines[:i_line]
lines_rest = lines[i_line:]
lines_body.append(lines[i_line][:offset])
lines_rest[0] = lines[i_line][offset:]
body = ''.join(lines_body)
rest = ''.join(lines_rest)
for token in terminators:
if rest.startswith(token):
break
else:
# The SyntaxError was raised by but terminators.
raise
return _compile(body, filename, mode, flags, dont_inherit), len(body)
else:
raise ValueError('didn\'t encouter any terminator')
def __init__(self, expr):
Block.__init__(self)
self.codeobj_list = [_compile(expr.strip(), '<string>', 'eval')]
self.ifnodes_list = [self.childnodes]
self.elsenodes = []
def __init__(self, expr):
self.codeobj = _compile(expr, '<string>', 'eval')
def __init__(self, expr):
Block.__init__(self)
self.codeobj = _compile('(locals() for %s)' % expr, '<string>', 'eval')