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Kirill Smelkov
cython
Commits
4f05de43
Commit
4f05de43
authored
Apr 13, 2011
by
Stefan Behnel
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ticket #685: implement no-arg dir()
parent
69cd1c34
Changes
2
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2 changed files
with
55 additions
and
22 deletions
+55
-22
Cython/Compiler/ParseTreeTransforms.py
Cython/Compiler/ParseTreeTransforms.py
+27
-17
tests/run/locals.pyx
tests/run/locals.pyx
+28
-5
No files found.
Cython/Compiler/ParseTreeTransforms.py
View file @
4f05de43
...
...
@@ -1750,25 +1750,35 @@ class TransformBuiltinMethods(EnvTransform):
error
(
node
.
pos
,
u"'%s' not a valid cython attribute or is being used incorrectly"
%
attribute
)
return
node
def
visit_SimpleCallNode
(
self
,
node
):
def
_inject_locals
(
self
,
node
,
func_name
):
# locals()/dir() builtins
lenv
=
self
.
current_env
()
entry
=
lenv
.
lookup_here
(
func_name
)
if
entry
:
# not the builtin
return
node
max_args_count
=
{
'dir'
:
1
,
'locals'
:
0
}[
func_name
]
if
len
(
node
.
args
)
>
max_args_count
:
error
(
self
.
pos
,
"Builtin '%s()' called with wrong number of args, expected %d, got %d"
%
(
func_name
,
max_args_count
,
len
(
node
.
args
)))
return
node
pos
=
node
.
pos
if
func_name
==
'locals'
:
items
=
[
ExprNodes
.
DictItemNode
(
pos
,
key
=
ExprNodes
.
StringNode
(
pos
,
value
=
var
),
value
=
ExprNodes
.
NameNode
(
pos
,
name
=
var
))
for
var
in
lenv
.
entries
]
return
ExprNodes
.
DictNode
(
pos
,
key_value_pairs
=
items
)
else
:
items
=
[
ExprNodes
.
StringNode
(
pos
,
value
=
var
)
for
var
in
lenv
.
entries
]
return
ExprNodes
.
ListNode
(
pos
,
args
=
items
)
# locals builtin
def
visit_SimpleCallNode
(
self
,
node
):
if
isinstance
(
node
.
function
,
ExprNodes
.
NameNode
):
if
node
.
function
.
name
==
'locals'
:
lenv
=
self
.
current_env
()
entry
=
lenv
.
lookup_here
(
'locals'
)
if
entry
:
# not the builtin 'locals'
return
node
if
len
(
node
.
args
)
>
0
:
error
(
self
.
pos
,
"Builtin 'locals()' called with wrong number of args, expected 0, got %d"
%
len
(
node
.
args
))
return
node
pos
=
node
.
pos
items
=
[
ExprNodes
.
DictItemNode
(
pos
,
key
=
ExprNodes
.
StringNode
(
pos
,
value
=
var
),
value
=
ExprNodes
.
NameNode
(
pos
,
name
=
var
))
for
var
in
lenv
.
entries
]
return
ExprNodes
.
DictNode
(
pos
,
key_value_pairs
=
items
)
func_name
=
node
.
function
.
name
if
func_name
in
(
'dir'
,
'locals'
):
return
self
.
_inject_locals
(
node
,
func_name
)
# cython.foo
function
=
node
.
function
.
as_cython_attribute
()
...
...
tests/run/locals.pyx
View file @
4f05de43
__doc__
=
u"""
>>> sorted( get_locals(1,2,3, k=5) .items())
[('args', (2, 3)), ('kwds', {'k': 5}), ('x', 1), ('y', 'hi'), ('z', 5)]
"""
# mode: run
# tag: builtins, locals, dir
def
get_locals
(
x
,
*
args
,
**
kwds
):
"""
>>> sorted( get_locals(1,2,3, k=5) .items())
[('args', (2, 3)), ('kwds', {'k': 5}), ('x', 1), ('y', 'hi'), ('z', 5)]
"""
cdef
int
z
=
5
y
=
"hi"
return
locals
()
def
get_dir
(
x
,
*
args
,
**
kwds
):
"""
>>> sorted( get_dir(1,2,3, k=5) )
['args', 'kwds', 'x', 'y', 'z']
"""
cdef
int
z
=
5
y
=
"hi"
return
dir
()
def
in_locals
(
x
,
*
args
,
**
kwds
):
"""
>>> in_locals('z')
...
...
@@ -22,6 +32,19 @@ def in_locals(x, *args, **kwds):
y
=
"hi"
return
x
in
locals
()
def
in_dir
(
x
,
*
args
,
**
kwds
):
"""
>>> in_dir('z')
True
>>> in_dir('args')
True
>>> in_dir('X')
False
"""
cdef
int
z
=
5
y
=
"hi"
return
x
in
dir
()
def
sorted
(
it
):
l
=
list
(
it
)
l
.
sort
()
...
...
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