Native backend failed to build with Cython 0.20.1
neocxi opened this issue · comments
Building native backend with Cython 0.20.1 will result in Cython compiler crash:
/root/deeprl/cgt/src/cycgt.pyx:109:30: Compiler crash in CreateClosureClasses
ModuleNode.body = StatListNode(cycgt.pyx:1:0)
StatListNode.stats[16] = StatListNode(cycgt.pyx:107:5)
StatListNode.stats[0] = CFuncDefNode(cycgt.pyx:107:5,
args = [...]/2,
modifiers = [...]/0,
needs_closure = True,
visibility = u'private')
CFuncDefNode.body = StatListNode(cycgt.pyx:108:4,
is_terminator = True)
StatListNode.stats[0] = ReturnStatNode(cycgt.pyx:109:4,
is_terminator = True)
ReturnStatNode.value = SimpleCallNode(cycgt.pyx:109:16,
analysed = True,
is_temp = 1,
result_is_used = True,
use_managed_ref = True)
SimpleCallNode.arg_tuple = TupleNode(cycgt.pyx:109:16,
is_sequence_constructor = 1,
is_temp = 1,
result_is_used = True,
use_managed_ref = True)
TupleNode.args[0] = GeneratorExpressionNode(cycgt.pyx:109:30,
genexpr_name = u'genexpr1',
is_temp = 1,
name = u'genexpr',
needs_closure = True,
needs_self_code = True,
pymethdef_cname = u'__pyx_mdef_5cycgt_12cgt2py_tuple_1genexpr',
result_is_used = True,
use_managed_ref = True)
Compiler crash traceback from this point on:
File "Visitor.py", line 170, in Cython.Compiler.Visitor.TreeVisitor._visit (Cython/Compiler/Visitor.c:4285)
File "/usr/lib/python2.7/dist-packages/Cython/Compiler/ParseTreeTransforms.py", line 2364, in visit_LambdaNode
self.create_class_from_scope(node.def_node, self.module_scope, node)
File "/usr/lib/python2.7/dist-packages/Cython/Compiler/ParseTreeTransforms.py", line 2342, in create_class_from_scope
type=cscope.scope_class.type,
AttributeError: 'ClosureScope' object has no attribute 'scope_class'
Maybe we can consider having a version lower bound for Cython mentioned either in Readme or checked in make tool?
Good idea. For development, we pretty much use the latest version of all the dependencies, so Cython 0.23.2 should definitely work.