def unparse(obj):
"""Turn an abstract edn element into a string.
Returns a valid edn string representing 'obj'.
"""
builder = _Builder()
return coerceToTerm(obj).build(builder)
def test_coerce(self):
self.assertEqual(
coerceToTerm({
3: 4,
"a": character('x'),
(2, 3): [4, 5]
}), parseTerm('{"a": \'x\', 3: 4, [2, 3]: [4, 5]}'))
def rule_unknown_term(self):
tt, _ = self.rule_anything()
oldInput = self.input
self.input = InputStream.fromIterable(tt.args)
newargs, e = self.many(self.rule_transform)
self.end()
self.input = oldInput
return Term(tt.tag, None, tuple(coerceToTerm(a) for a in newargs)), e
def rule_unknown_term(self):
tt, _ = self.rule_anything()
oldInput = self.input
self.input = InputStream.fromIterable(tt.args)
newargs, e = self.many(self.rule_transform)
self.end()
self.input = oldInput
return Term(tt.tag, None, tuple(coerceToTerm(a) for a in newargs)), e
def unparse_stream(input_elements, output_stream):
"""Write abstract edn elements out as edn to a file-like object.
Elements will be separated by UNIX newlines. This may change in future
versions.
"""
separator = u'\n'.encode('utf8')
builder = _Builder()
for element in input_elements:
output_stream.write(coerceToTerm(element).build(builder))
output_stream.write(separator)
def coerceToQuasiMatch(val, isFunctorHole, tag):
if isFunctorHole:
if val is None:
result = Term(Tag("null"), None, None)
elif isinstance(val, Term):
if len(val.args) != 0:
return None
else:
result = val
elif isinstance(val, basestring):
result = Term(Tag(val), None, None)
elif isinstance(val, bool):
result = Term(Tag(["false", "true"][val]), None, None)
else:
return None
else:
result = coerceToTerm(val)
if tag is not None and result.tag != tag:
return None
return result
def coerceToQuasiMatch(val, isFunctorHole, tag):
if isFunctorHole:
if val is None:
result = Term(Tag("null"), None, None, None)
elif isinstance(val, Term):
if len(val.args) != 0:
return None
else:
result = val
elif isinstance(val, basestring):
result = Term(Tag(val), None, None, None)
elif isinstance(val, bool):
result = Term(Tag(["false", "true"][val]), None, None, None)
else:
return None
else:
result = coerceToTerm(val)
if tag is not None and result.tag != tag:
return None
return result
def backpatch(self, fromIdx, toIdx):
old = self.instrs[fromIdx]
self.instrs[fromIdx] = Term(old.tag, None, [coerceToTerm(toIdx)])
def test_coerce(self):
self.assertEqual(
coerceToTerm({3: 4, "a": character('x'), (2, 3): [4, 5]}),
parseTerm('{"a": \'x\', 3: 4, [2, 3]: [4, 5]}'))
def backpatch(self, fromIdx, toIdx):
old = self.instrs[fromIdx]
self.instrs[fromIdx] = Term(old.tag, None, [coerceToTerm(toIdx)])
