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cpython/Tools/build/generate_stdlib_module_names.py at 3.15 · python/cpython · GitHub
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generate_stdlib_module_names.py
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generate_stdlib_module_names.py
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# This script lists the names of standard library modules
# to update Python/stdlib_module_names.h
from
__future__
import
annotations
import
_imp
import
os
.
path
import
sys
import
sysconfig
from
typing
import
TextIO
from
check_extension_modules
import
ModuleChecker
SCRIPT_NAME
=
'Tools/build/generate_stdlib_module_names.py'
SRC_DIR
=
os
.
path
.
dirname
(
os
.
path
.
dirname
(
os
.
path
.
dirname
(
__file__
)))
STDLIB_PATH
=
os
.
path
.
join
(
SRC_DIR
,
'Lib'
)
IGNORE
=
{
'__init__'
,
'__pycache__'
,
'site-packages'
,
# Test modules and packages
'__hello__'
,
'__phello__'
,
'__hello_alias__'
,
'__phello_alias__'
,
'__hello_only__'
,
'_ctypes_test'
,
'_testbuffer'
,
'_testcapi'
,
'_testclinic'
,
'_testclinic_limited'
,
'_testconsole'
,
'_testimportmultiple'
,
'_testinternalcapi'
,
'_testlimitedcapi'
,
'_testmultiphase'
,
'_testsinglephase'
,
'_xxtestfuzz'
,
'idlelib.idle_test'
,
'test'
,
'xxlimited'
,
'xxlimited_35'
,
'xxlimited_3_13'
,
'xxsubtype'
,
}
ALLOW_TEST_MODULES
=
{
'doctest'
,
'unittest'
,
}
# Built-in modules
def
list_builtin_modules
(
names
:
set
[
str
])
->
None
:
names
|=
set
(
sys
.
builtin_module_names
)
# Pure Python modules (Lib/*.py)
def
list_python_modules
(
names
:
set
[
str
])
->
None
:
for
filename
in
os
.
listdir
(
STDLIB_PATH
):
if
not
filename
.
endswith
(
".py"
):
continue
name
=
filename
.
removesuffix
(
".py"
)
names
.
add
(
name
)
# Packages in Lib/
def
list_packages
(
names
:
set
[
str
])
->
None
:
for
name
in
os
.
listdir
(
STDLIB_PATH
):
if
name
in
IGNORE
:
continue
package_path
=
os
.
path
.
join
(
STDLIB_PATH
,
name
)
if
not
os
.
path
.
isdir
(
package_path
):
continue
if
any
(
package_file
.
endswith
(
".py"
)
for
package_file
in
os
.
listdir
(
package_path
)):
names
.
add
(
name
)
# Built-in and extension modules built by Modules/Setup*
# includes Windows and macOS extensions.
def
list_modules_setup_extensions
(
names
:
set
[
str
])
->
None
:
checker
=
ModuleChecker
()
names
.
update
(
checker
.
list_module_names
(
all
=
True
))
# List frozen modules of the PyImport_FrozenModules list (Python/frozen.c).
# Use the "./Programs/_testembed list_frozen" command.
def
list_frozen
(
names
:
set
[
str
])
->
None
:
submodules
=
set
()
for
name
in
_imp
.
_frozen_module_names
():
# type: ignore[attr-defined]
# To skip __hello__, __hello_alias__ and etc.
if
name
.
startswith
(
'__'
):
continue
if
'.'
in
name
:
submodules
.
add
(
name
)
else
:
names
.
add
(
name
)
# Make sure all frozen submodules have a known parent.
for
name
in
list
(
submodules
):
if
name
.
partition
(
'.'
)[
0
]
in
names
:
submodules
.
remove
(
name
)
if
submodules
:
raise
Exception
(
f'unexpected frozen submodules:
{
sorted
(
submodules
)
}
'
)
def
list_modules
()
->
set
[
str
]:
names
:
set
[
str
]
=
set
()
list_builtin_modules
(
names
)
list_modules_setup_extensions
(
names
)
list_packages
(
names
)
list_python_modules
(
names
)
list_frozen
(
names
)
# Remove ignored packages and modules
for
name
in
list
(
names
):
package_name
=
name
.
split
(
'.'
)[
0
]
# package_name can be equal to name
if
package_name
in
IGNORE
:
names
.
discard
(
name
)
# Sanity checks
for
name
in
names
:
if
"."
in
name
:
raise
Exception
(
f"sub-modules must not be listed:
{
name
}
"
)
if
(
"test"
in
name
or
"xx"
in
name
)
and
name
not
in
ALLOW_TEST_MODULES
:
raise
Exception
(
f"test modules must not be listed:
{
name
}
"
)
return
names
def
write_modules
(
fp
:
TextIO
,
names
:
set
[
str
])
->
None
:
print
(
f"// Auto-generated by
{
SCRIPT_NAME
}
."
,
file
=
fp
)
print
(
"// List used to create sys.stdlib_module_names."
,
file
=
fp
)
print
(
file
=
fp
)
print
(
"static const char* _Py_stdlib_module_names[] = {"
,
file
=
fp
)
for
name
in
sorted
(
names
):
print
(
f'"
{
name
}
",'
,
file
=
fp
)
print
(
"};"
,
file
=
fp
)
def
main
()
->
None
:
if
not
sysconfig
.
is_python_build
():
print
(
f"ERROR:
{
sys
.
executable
}
is not a Python build"
,
file
=
sys
.
stderr
)
sys
.
exit
(
1
)
fp
=
sys
.
stdout
names
=
list_modules
()
write_modules
(
fp
,
names
)
if
__name__
==
"__main__"
:
main
()
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