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Gwenaël Samain
cython
Commits
e884efb9
Commit
e884efb9
authored
Nov 05, 2014
by
Stefan Behnel
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prevent absolute cimports from trying relative imports
parent
6528682e
Changes
2
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2 changed files
with
27 additions
and
17 deletions
+27
-17
Cython/Compiler/Nodes.py
Cython/Compiler/Nodes.py
+6
-1
Cython/Compiler/Parsing.py
Cython/Compiler/Parsing.py
+21
-16
No files found.
Cython/Compiler/Nodes.py
View file @
e884efb9
...
...
@@ -7087,6 +7087,7 @@ class EnsureGILNode(GILExitNode):
def
generate_execution_code
(
self
,
code
):
code
.
put_ensure_gil
(
declare_gilstate
=
False
)
utility_code_for_cimports
=
{
# utility code (or inlining c) in a pxd (or pyx) file.
# TODO: Consider a generic user-level mechanism for importing
...
...
@@ -7094,19 +7095,23 @@ utility_code_for_cimports = {
'cpython.array.array'
:
(
"ArrayAPI"
,
"arrayarray.h"
),
}
class
CImportStatNode
(
StatNode
):
# cimport statement
#
# module_name string Qualified name of module being imported
# as_name string or None Name specified in "as" clause, if any
# is_absolute bool True for absolute imports, False otherwise
child_attrs
=
[]
is_absolute
=
False
def
analyse_declarations
(
self
,
env
):
if
not
env
.
is_module_scope
:
error
(
self
.
pos
,
"cimport only allowed at module level"
)
return
module_scope
=
env
.
find_module
(
self
.
module_name
,
self
.
pos
)
module_scope
=
env
.
find_module
(
self
.
module_name
,
self
.
pos
,
relative_level
=
0
if
self
.
is_absolute
else
-
1
)
if
"."
in
self
.
module_name
:
names
=
[
EncodedString
(
name
)
for
name
in
self
.
module_name
.
split
(
"."
)]
top_name
=
names
[
0
]
...
...
Cython/Compiler/Parsing.py
View file @
e884efb9
...
...
@@ -1279,38 +1279,43 @@ def p_raise_statement(s):
else
:
return
Nodes
.
ReraiseStatNode
(
pos
)
def
p_import_statement
(
s
):
# s.sy in ('import', 'cimport')
pos
=
s
.
position
()
kind
=
s
.
sy
s
.
next
()
items
=
[
p_dotted_name
(
s
,
as_allowed
=
1
)]
items
=
[
p_dotted_name
(
s
,
as_allowed
=
1
)]
while
s
.
sy
==
','
:
s
.
next
()
items
.
append
(
p_dotted_name
(
s
,
as_allowed
=
1
))
items
.
append
(
p_dotted_name
(
s
,
as_allowed
=
1
))
stats
=
[]
is_absolute
=
Future
.
absolute_import
in
s
.
context
.
future_directives
for
pos
,
target_name
,
dotted_name
,
as_name
in
items
:
dotted_name
=
EncodedString
(
dotted_name
)
if
kind
==
'cimport'
:
stat
=
Nodes
.
CImportStatNode
(
pos
,
module_name
=
dotted_name
,
as_name
=
as_name
)
stat
=
Nodes
.
CImportStatNode
(
pos
,
module_name
=
dotted_name
,
as_name
=
as_name
,
is_absolute
=
is_absolute
)
else
:
if
as_name
and
"."
in
dotted_name
:
name_list
=
ExprNodes
.
ListNode
(
pos
,
args
=
[
ExprNodes
.
IdentifierStringNode
(
pos
,
value
=
EncodedString
(
"*"
))])
name_list
=
ExprNodes
.
ListNode
(
pos
,
args
=
[
ExprNodes
.
IdentifierStringNode
(
pos
,
value
=
EncodedString
(
"*"
))])
else
:
name_list
=
None
stat
=
Nodes
.
SingleAssignmentNode
(
pos
,
lhs
=
ExprNodes
.
NameNode
(
pos
,
name
=
as_name
or
target_name
),
rhs
=
ExprNodes
.
ImportNode
(
pos
,
module_name
=
ExprNodes
.
IdentifierStringNode
(
pos
,
value
=
dotted_name
),
level
=
None
,
name_list
=
name_list
))
stat
=
Nodes
.
SingleAssignmentNode
(
pos
,
lhs
=
ExprNodes
.
NameNode
(
pos
,
name
=
as_name
or
target_name
),
rhs
=
ExprNodes
.
ImportNode
(
pos
,
module_name
=
ExprNodes
.
IdentifierStringNode
(
pos
,
value
=
dotted_name
),
level
=
0
if
is_absolute
else
None
,
name_list
=
name_list
))
stats
.
append
(
stat
)
return
Nodes
.
StatListNode
(
pos
,
stats
=
stats
)
return
Nodes
.
StatListNode
(
pos
,
stats
=
stats
)
def
p_from_import_statement
(
s
,
first_statement
=
0
):
# s.sy == 'from'
...
...
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