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Name	Size	Permission	Date
2to3	96 B	-rwxr-xr-x	2024-03-19 22:46
README	4.46 KB	-rw-r--r--	2024-03-19 22:46
abitype.py	5.44 KB	-rwxr-xr-x	2024-03-19 22:46
analyze_dxp.py	4.08 KB	-rw-r--r--	2024-03-19 22:46
byext.py	3.81 KB	-rwxr-xr-x	2024-03-19 22:46
byteyears.py	1.61 KB	-rwxr-xr-x	2024-03-19 22:46
checkpip.py	793 B	-rwxr-xr-x	2024-03-19 22:46
cleanfuture.py	8.42 KB	-rwxr-xr-x	2024-03-19 22:46
combinerefs.py	4.35 KB	-rwxr-xr-x	2024-03-19 22:46
copytime.py	663 B	-rwxr-xr-x	2024-03-19 22:46
crlf.py	632 B	-rwxr-xr-x	2024-03-19 22:46
db2pickle.py	3.54 KB	-rwxr-xr-x	2024-03-19 22:46
diff.py	2.2 KB	-rwxr-xr-x	2024-03-19 22:46
dutree.doc	2.18 KB	-rw-r--r--	2024-03-19 22:46
dutree.py	1.6 KB	-rwxr-xr-x	2024-03-19 22:46
eptags.py	1.54 KB	-rwxr-xr-x	2024-03-19 22:46
find-uname.py	1.18 KB	-rwxr-xr-x	2024-03-19 22:46
find_recursionlimit.py	3.9 KB	-rwxr-xr-x	2024-03-19 22:46
finddiv.py	2.48 KB	-rwxr-xr-x	2024-03-19 22:46
findlinksto.py	1.05 KB	-rwxr-xr-x	2024-03-19 22:46
findnocoding.py	2.88 KB	-rwxr-xr-x	2024-03-19 22:46
fixcid.py	9.93 KB	-rwxr-xr-x	2024-03-19 22:46
fixdiv.py	13.91 KB	-rwxr-xr-x	2024-03-19 22:46
fixheader.py	1.33 KB	-rwxr-xr-x	2024-03-19 22:46
fixnotice.py	2.96 KB	-rwxr-xr-x	2024-03-19 22:46
fixps.py	892 B	-rwxr-xr-x	2024-03-19 22:46
generate_opcode_h.py	2.17 KB	-rw-r--r--	2024-03-19 22:46
generate_stdlib_module_names.py	4.55 KB	-rw-r--r--	2024-03-19 22:46
generate_token.py	6.81 KB	-rwxr-xr-x	2024-03-19 22:46
get-remote-certificate.py	2.25 KB	-rwxr-xr-x	2024-03-19 22:46
google.py	501 B	-rwxr-xr-x	2024-03-19 22:46
gprof2html.py	2.25 KB	-rwxr-xr-x	2024-03-19 22:46
highlight.py	8.95 KB	-rwxr-xr-x	2024-03-19 22:46
idle3	96 B	-rwxr-xr-x	2024-03-19 22:46
ifdef.py	3.62 KB	-rwxr-xr-x	2024-03-19 22:46
import_diagnostics.py	999 B	-rwxr-xr-x	2024-03-19 22:46
lfcr.py	640 B	-rwxr-xr-x	2024-03-19 22:46
linktree.py	2.38 KB	-rwxr-xr-x	2024-03-19 22:46
lll.py	748 B	-rwxr-xr-x	2024-03-19 22:46
mailerdaemon.py	7.85 KB	-rwxr-xr-x	2024-03-19 22:46
make_ctype.py	2.23 KB	-rwxr-xr-x	2024-03-19 22:46
md5sum.py	2.46 KB	-rwxr-xr-x	2024-03-19 22:46
mkreal.py	1.59 KB	-rwxr-xr-x	2024-03-19 22:46
ndiff.py	3.73 KB	-rwxr-xr-x	2024-03-19 22:46
nm2def.py	2.42 KB	-rwxr-xr-x	2024-03-19 22:46
objgraph.py	5.8 KB	-rwxr-xr-x	2024-03-19 22:46
parse_html5_entities.py	3.91 KB	-rwxr-xr-x	2024-03-19 22:46
parseentities.py	1.7 KB	-rwxr-xr-x	2024-03-19 22:46
patchcheck.py	10.51 KB	-rwxr-xr-x	2024-03-19 22:46
pathfix.py	6.63 KB	-rwxr-xr-x	2024-03-19 22:46
pdeps.py	3.91 KB	-rwxr-xr-x	2024-03-19 22:46
pep384_macrocheck.py	4.61 KB	-rw-r--r--	2024-03-19 22:46
pickle2db.py	3.93 KB	-rwxr-xr-x	2024-03-19 22:46
pindent.py	16.73 KB	-rwxr-xr-x	2024-03-19 22:46
ptags.py	1.28 KB	-rwxr-xr-x	2024-03-19 22:46
pydoc3	80 B	-rwxr-xr-x	2024-03-19 22:46
pysource.py	3.77 KB	-rwxr-xr-x	2024-03-19 22:46
reindent-rst.py	279 B	-rwxr-xr-x	2024-03-19 22:46
reindent.py	11.37 KB	-rwxr-xr-x	2024-03-19 22:46
rgrep.py	1.54 KB	-rwxr-xr-x	2024-03-19 22:46
run_tests.py	1.78 KB	-rw-r--r--	2024-03-19 22:46
serve.py	1.2 KB	-rwxr-xr-x	2024-03-19 22:46
smelly.py	4.9 KB	-rwxr-xr-x	2024-03-19 22:46
stable_abi.py	21.09 KB	-rwxr-xr-x	2024-03-19 22:46
suff.py	510 B	-rwxr-xr-x	2024-03-19 22:46
texi2html.py	68.72 KB	-rwxr-xr-x	2024-03-19 22:46
untabify.py	1.27 KB	-rwxr-xr-x	2024-03-19 22:46
update_file.py	762 B	-rw-r--r--	2024-03-19 22:46
var_access_benchmark.py	11.63 KB	-rw-r--r--	2024-03-19 22:46
verify_ensurepip_wheels.py	3.31 KB	-rwxr-xr-x	2024-03-19 22:46
which.py	1.65 KB	-rwxr-xr-x	2024-03-19 22:46
win_add2path.py	1.62 KB	-rw-r--r--	2024-03-19 22:46

Rename

#!/usr/bin/env python
# Script checking that all symbols exported by libpython start with Py or _Py

import os.path
import subprocess
import sys
import sysconfig

ALLOWED_PREFIXES = ('Py', '_Py')
if sys.platform == 'darwin':
    ALLOWED_PREFIXES += ('__Py',)

IGNORED_EXTENSION = "_ctypes_test"
# Ignore constructor and destructor functions
IGNORED_SYMBOLS = {'_init', '_fini'}

def is_local_symbol_type(symtype):
    # Ignore local symbols.

# If lowercase, the symbol is usually local; if uppercase, the symbol
    # is global (external).  There are however a few lowercase symbols that
    # are shown for special global symbols ("u", "v" and "w").
    if symtype.islower() and symtype not in "uvw":
        return True

# Ignore the initialized data section (d and D) and the BSS data
    # section. For example, ignore "__bss_start (type: B)"
    # and "_edata (type: D)".
    if symtype in "bBdD":
        return True

return False

def get_exported_symbols(library, dynamic=False):
    print(f"Check that {library} only exports symbols starting with Py or _Py")

# Only look at dynamic symbols
    args = ['nm', '--no-sort']
    if dynamic:
        args.append('--dynamic')
    args.append(library)
    print("+ %s" % ' '.join(args))
    proc = subprocess.run(args, stdout=subprocess.PIPE, universal_newlines=True)
    if proc.returncode:
        sys.stdout.write(proc.stdout)
        sys.exit(proc.returncode)

stdout = proc.stdout.rstrip()
    if not stdout:
        raise Exception("command output is empty")
    return stdout

def get_smelly_symbols(stdout):
    smelly_symbols = []
    python_symbols = []
    local_symbols = []

for line in stdout.splitlines():
        # Split line '0000000000001b80 D PyTextIOWrapper_Type'
        if not line:
            continue

parts = line.split(maxsplit=2)
        if len(parts) < 3:
            continue

symtype = parts[1].strip()
        symbol = parts[-1]
        result = '%s (type: %s)' % (symbol, symtype)

if symbol.startswith(ALLOWED_PREFIXES):
            python_symbols.append(result)
            continue

if is_local_symbol_type(symtype):
            local_symbols.append(result)
        elif symbol in IGNORED_SYMBOLS:
            local_symbols.append(result)
        else:
            smelly_symbols.append(result)

if local_symbols:
        print(f"Ignore {len(local_symbols)} local symbols")
    return smelly_symbols, python_symbols

def check_library(library, dynamic=False):
    nm_output = get_exported_symbols(library, dynamic)
    smelly_symbols, python_symbols = get_smelly_symbols(nm_output)

if not smelly_symbols:
        print(f"OK: no smelly symbol found ({len(python_symbols)} Python symbols)")
        return 0

print()
    smelly_symbols.sort()
    for symbol in smelly_symbols:
        print("Smelly symbol: %s" % symbol)

print()
    print("ERROR: Found %s smelly symbols!" % len(smelly_symbols))
    return len(smelly_symbols)

def check_extensions():
    print(__file__)
    # This assumes pybuilddir.txt is in same directory as pyconfig.h.
    # In the case of out-of-tree builds, we can't assume pybuilddir.txt is
    # in the source folder.
    config_dir = os.path.dirname(sysconfig.get_config_h_filename())
    filename = os.path.join(config_dir, "pybuilddir.txt")
    try:
        with open(filename, encoding="utf-8") as fp:
            pybuilddir = fp.readline()
    except FileNotFoundError:
        print(f"Cannot check extensions because {filename} does not exist")
        return True

print(f"Check extension modules from {pybuilddir} directory")
    builddir = os.path.join(config_dir, pybuilddir)
    nsymbol = 0
    for name in os.listdir(builddir):
        if not name.endswith(".so"):
            continue
        if IGNORED_EXTENSION in name:
            print()
            print(f"Ignore extension: {name}")
            continue

print()
        filename = os.path.join(builddir, name)
        nsymbol += check_library(filename, dynamic=True)

return nsymbol

def main():
    nsymbol = 0

# static library
    LIBRARY = sysconfig.get_config_var('LIBRARY')
    if not LIBRARY:
        raise Exception("failed to get LIBRARY variable from sysconfig")
    if os.path.exists(LIBRARY):
        nsymbol += check_library(LIBRARY)

# dynamic library
    LDLIBRARY = sysconfig.get_config_var('LDLIBRARY')
    if not LDLIBRARY:
        raise Exception("failed to get LDLIBRARY variable from sysconfig")
    if LDLIBRARY != LIBRARY:
        print()
        nsymbol += check_library(LDLIBRARY, dynamic=True)

# Check extension modules like _ssl.cpython-310d-x86_64-linux-gnu.so
    nsymbol += check_extensions()

if nsymbol:
        print()
        print(f"ERROR: Found {nsymbol} smelly symbols in total!")
        sys.exit(1)

print()
    print(f"OK: all exported symbols of all libraries "
          f"are prefixed with {' or '.join(map(repr, ALLOWED_PREFIXES))}")

if __name__ == "__main__":
    main()