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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2026-03-19 01:19
asyncio	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
collections	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
concurrent	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
config-3.9-x86_64-linux-gnu	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
ctypes	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
curses	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
dbm	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
distutils	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
email	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
encodings	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
ensurepip	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
html	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
http	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
idlelib	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
importlib	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
json	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
lib-dynload	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
lib2to3	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
logging	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
multiprocessing	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
pydoc_data	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
site-packages	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
test	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
tkinter	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
turtledemo	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
unittest	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
urllib	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
venv	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
wsgiref	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
xml	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
xmlrpc	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
zoneinfo	[ DIR ]	drwxr-xr-x	2026-03-19 01:18
LICENSE.txt	13.6 KB	-rw-r--r--	2026-03-11 06:54
__future__.py	5.03 KB	-rw-r--r--	2026-03-11 06:54
__phello__.foo.py	64 B	-rw-r--r--	2026-03-11 06:54
_aix_support.py	3.31 KB	-rw-r--r--	2026-03-11 06:54
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_bootsubprocess.py	2.61 KB	-rw-r--r--	2026-03-11 06:54
_collections_abc.py	28.69 KB	-rw-r--r--	2026-03-11 06:54
_compat_pickle.py	8.54 KB	-rw-r--r--	2026-03-11 06:54
_compression.py	5.21 KB	-rw-r--r--	2026-03-11 06:54
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_osx_support.py	21.26 KB	-rw-r--r--	2026-03-11 06:54
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_pydecimal.py	223.31 KB	-rw-r--r--	2026-03-11 06:54
_pyio.py	91.22 KB	-rw-r--r--	2026-03-11 06:54
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_sysconfigdata__linux_x86_64-linux-gnu.py	26.68 KB	-rw-r--r--	2026-03-11 06:54
_threading_local.py	7.05 KB	-rw-r--r--	2026-03-11 06:54
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abc.py	4.8 KB	-rw-r--r--	2026-03-11 06:54
aifc.py	31.84 KB	-rw-r--r--	2026-03-11 06:54
antigravity.py	500 B	-rw-r--r--	2026-03-11 06:54
argparse.py	95.57 KB	-rw-r--r--	2026-03-11 06:54
ast.py	54.86 KB	-rw-r--r--	2026-03-11 06:54
asynchat.py	11.06 KB	-rw-r--r--	2026-03-11 06:54
asyncore.py	19.63 KB	-rw-r--r--	2026-03-11 06:54
base64.py	19.4 KB	-rwxr-xr-x	2026-03-11 06:54
bdb.py	30.65 KB	-rw-r--r--	2026-03-11 06:54
binhex.py	14.44 KB	-rw-r--r--	2026-03-11 06:54
bisect.py	2.29 KB	-rw-r--r--	2026-03-11 06:54
bz2.py	12.16 KB	-rw-r--r--	2026-03-11 06:54
cProfile.py	6.19 KB	-rwxr-xr-x	2026-03-11 06:54
calendar.py	24.25 KB	-rw-r--r--	2026-03-11 06:54
cgi.py	33.14 KB	-rwxr-xr-x	2026-03-11 06:54
cgitb.py	11.81 KB	-rw-r--r--	2026-03-11 06:54
chunk.py	5.31 KB	-rw-r--r--	2026-03-11 06:54
cmd.py	14.51 KB	-rw-r--r--	2026-03-11 06:54
code.py	10.37 KB	-rw-r--r--	2026-03-11 06:54
codecs.py	35.81 KB	-rw-r--r--	2026-03-11 06:54
codeop.py	6.18 KB	-rw-r--r--	2026-03-11 06:54
colorsys.py	3.97 KB	-rw-r--r--	2026-03-11 06:54
compileall.py	19.63 KB	-rw-r--r--	2026-03-11 06:54
configparser.py	53.3 KB	-rw-r--r--	2026-03-11 06:54
contextlib.py	24.05 KB	-rw-r--r--	2026-03-11 06:54
contextvars.py	129 B	-rw-r--r--	2026-03-11 06:54
copy.py	8.45 KB	-rw-r--r--	2026-03-11 06:54
copyreg.py	7.1 KB	-rw-r--r--	2026-03-11 06:54
crypt.py	3.73 KB	-rw-r--r--	2026-03-11 06:54
csv.py	15.77 KB	-rw-r--r--	2026-03-11 06:54
dataclasses.py	48.34 KB	-rw-r--r--	2026-03-11 06:54
datetime.py	87.06 KB	-rw-r--r--	2026-03-11 06:54
decimal.py	320 B	-rw-r--r--	2026-03-11 06:54
difflib.py	81.35 KB	-rw-r--r--	2026-03-11 06:54
dis.py	20.09 KB	-rw-r--r--	2026-03-11 06:54
doctest.py	102 KB	-rw-r--r--	2026-03-11 06:54
enum.py	38.52 KB	-rw-r--r--	2026-03-11 06:54
filecmp.py	9.79 KB	-rw-r--r--	2026-03-11 06:54
fileinput.py	14.44 KB	-rw-r--r--	2026-03-11 06:54
fnmatch.py	5.86 KB	-rw-r--r--	2026-03-11 06:54
formatter.py	14.79 KB	-rw-r--r--	2026-03-11 06:54
fractions.py	23.75 KB	-rw-r--r--	2026-03-11 06:54
ftplib.py	34.66 KB	-rw-r--r--	2026-03-11 06:54
functools.py	37.57 KB	-rw-r--r--	2026-03-11 06:54
genericpath.py	4.86 KB	-rw-r--r--	2026-03-11 06:54
getopt.py	7.31 KB	-rw-r--r--	2026-03-11 06:54
getpass.py	5.85 KB	-rw-r--r--	2026-03-11 06:54
gettext.py	26.63 KB	-rw-r--r--	2026-03-11 06:54
glob.py	5.69 KB	-rw-r--r--	2026-03-11 06:54
graphlib.py	9.35 KB	-rw-r--r--	2026-03-11 06:54
gzip.py	21.26 KB	-rw-r--r--	2026-03-11 06:54
hashlib.py	9.78 KB	-rw-r--r--	2026-03-11 06:54
heapq.py	22.34 KB	-rw-r--r--	2026-03-11 06:54
hmac.py	6.84 KB	-rw-r--r--	2026-03-11 06:54
imaplib.py	53.62 KB	-rw-r--r--	2026-03-11 06:54
imghdr.py	3.72 KB	-rw-r--r--	2026-03-11 06:54
imp.py	10.29 KB	-rw-r--r--	2026-03-11 06:54
inspect.py	115.46 KB	-rw-r--r--	2026-03-11 06:54
io.py	3.46 KB	-rw-r--r--	2026-03-11 06:54
ipaddress.py	72.92 KB	-rw-r--r--	2026-03-11 06:54
keyword.py	1.02 KB	-rw-r--r--	2026-03-11 06:54
linecache.py	5.33 KB	-rw-r--r--	2026-03-11 06:54
locale.py	76.44 KB	-rw-r--r--	2026-03-11 06:54
lzma.py	12.92 KB	-rw-r--r--	2026-03-11 06:54
mailbox.py	76.95 KB	-rw-r--r--	2026-03-11 06:54
mailcap.py	7.96 KB	-rw-r--r--	2026-03-11 06:54
mimetypes.py	21.14 KB	-rw-r--r--	2026-03-11 06:54
modulefinder.py	23.83 KB	-rw-r--r--	2026-03-11 06:54
netrc.py	5.44 KB	-rw-r--r--	2026-03-11 06:54
nntplib.py	40.06 KB	-rw-r--r--	2026-03-11 06:54
ntpath.py	27.08 KB	-rw-r--r--	2026-03-11 06:54
nturl2path.py	2.82 KB	-rw-r--r--	2026-03-11 06:54
numbers.py	10.1 KB	-rw-r--r--	2026-03-11 06:54
opcode.py	5.53 KB	-rw-r--r--	2026-03-11 06:54
operator.py	10.5 KB	-rw-r--r--	2026-03-11 06:54
optparse.py	58.95 KB	-rw-r--r--	2026-03-11 06:54
os.py	38.15 KB	-rw-r--r--	2026-03-11 06:54
pathlib.py	52.81 KB	-rw-r--r--	2026-03-11 06:54
pdb.py	61.62 KB	-rwxr-xr-x	2026-03-11 06:54
pickle.py	63.4 KB	-rw-r--r--	2026-03-11 06:54
pickletools.py	91.29 KB	-rw-r--r--	2026-03-11 06:54
pipes.py	8.71 KB	-rw-r--r--	2026-03-11 06:54
pkgutil.py	23.71 KB	-rw-r--r--	2026-03-11 06:54
platform.py	39.65 KB	-rwxr-xr-x	2026-03-11 06:54
plistlib.py	27.59 KB	-rw-r--r--	2026-03-11 06:54
poplib.py	14.84 KB	-rw-r--r--	2026-03-11 06:54
posixpath.py	15.35 KB	-rw-r--r--	2026-03-11 06:54
pprint.py	22 KB	-rw-r--r--	2026-03-11 06:54
profile.py	22.33 KB	-rwxr-xr-x	2026-03-11 06:54
pstats.py	28.64 KB	-rw-r--r--	2026-03-11 06:54
pty.py	4.69 KB	-rw-r--r--	2026-03-11 06:54
py_compile.py	7.96 KB	-rw-r--r--	2026-03-11 06:54
pyclbr.py	14.9 KB	-rw-r--r--	2026-03-11 06:54
pydoc.py	106.98 KB	-rwxr-xr-x	2026-03-11 06:54
queue.py	11.21 KB	-rw-r--r--	2026-03-11 06:54
quopri.py	7.1 KB	-rwxr-xr-x	2026-03-11 06:54
random.py	30.75 KB	-rw-r--r--	2026-03-11 06:54
re.py	15.49 KB	-rw-r--r--	2026-03-11 06:54
reprlib.py	5.14 KB	-rw-r--r--	2026-03-11 06:54
rlcompleter.py	7.47 KB	-rw-r--r--	2026-03-11 06:54
runpy.py	11.92 KB	-rw-r--r--	2026-03-11 06:54
sched.py	6.29 KB	-rw-r--r--	2026-03-11 06:54
secrets.py	1.99 KB	-rw-r--r--	2026-03-11 06:54
selectors.py	19.08 KB	-rw-r--r--	2026-03-11 06:54
shelve.py	8.33 KB	-rw-r--r--	2026-03-11 06:54
shlex.py	13.18 KB	-rw-r--r--	2026-03-11 06:54
shutil.py	51.04 KB	-rw-r--r--	2026-03-11 06:54
signal.py	2.22 KB	-rw-r--r--	2026-03-11 06:54
site.py	21.06 KB	-rw-r--r--	2026-03-11 06:54
smtpd.py	34.01 KB	-rwxr-xr-x	2026-03-11 06:54
smtplib.py	44.34 KB	-rwxr-xr-x	2026-03-11 06:54
sndhdr.py	6.93 KB	-rw-r--r--	2026-03-11 06:54
socket.py	35.83 KB	-rwxr-xr-x	2026-03-11 06:54
socketserver.py	26.66 KB	-rw-r--r--	2026-03-11 06:54
sre_compile.py	26.07 KB	-rw-r--r--	2026-03-11 06:54
sre_constants.py	6.99 KB	-rw-r--r--	2026-03-11 06:54
sre_parse.py	39.29 KB	-rw-r--r--	2026-03-11 06:54
ssl.py	49.56 KB	-rw-r--r--	2026-03-11 06:54
stat.py	5.36 KB	-rw-r--r--	2026-03-11 06:54
statistics.py	37.18 KB	-rw-r--r--	2026-03-11 06:54
string.py	10.32 KB	-rw-r--r--	2026-03-11 06:54
stringprep.py	12.61 KB	-rw-r--r--	2026-03-11 06:54
struct.py	257 B	-rw-r--r--	2026-03-11 06:54
subprocess.py	80.71 KB	-rw-r--r--	2026-03-11 06:54
sunau.py	17.73 KB	-rw-r--r--	2026-03-11 06:54
symbol.py	2.23 KB	-rw-r--r--	2026-03-11 06:54
symtable.py	7.72 KB	-rw-r--r--	2026-03-11 06:54
sysconfig.py	24.33 KB	-rw-r--r--	2026-03-11 06:54
tabnanny.py	11.14 KB	-rwxr-xr-x	2026-03-11 06:54
tarfile.py	92.55 KB	-rwxr-xr-x	2026-03-11 06:54
telnetlib.py	22.71 KB	-rw-r--r--	2026-03-11 06:54
tempfile.py	27.03 KB	-rw-r--r--	2026-03-11 06:54
textwrap.py	18.95 KB	-rw-r--r--	2026-03-11 06:54
this.py	1003 B	-rw-r--r--	2026-03-11 06:54
threading.py	52.61 KB	-rw-r--r--	2026-03-11 06:54
timeit.py	13.17 KB	-rwxr-xr-x	2026-03-11 06:54
token.py	2.31 KB	-rw-r--r--	2026-03-11 06:54
tokenize.py	25.28 KB	-rw-r--r--	2026-03-11 06:54
trace.py	28.51 KB	-rwxr-xr-x	2026-03-11 06:54
traceback.py	24.01 KB	-rw-r--r--	2026-03-11 06:54
tracemalloc.py	17.62 KB	-rw-r--r--	2026-03-11 06:54
tty.py	879 B	-rw-r--r--	2026-03-11 06:54
turtle.py	140.35 KB	-rw-r--r--	2026-03-11 06:54
types.py	9.52 KB	-rw-r--r--	2026-03-11 06:54
typing.py	74.99 KB	-rw-r--r--	2026-03-11 06:54
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uuid.py	26.68 KB	-rw-r--r--	2026-03-11 06:54
warnings.py	19.23 KB	-rw-r--r--	2026-03-11 06:54
wave.py	17.58 KB	-rw-r--r--	2026-03-11 06:54
weakref.py	21.05 KB	-rw-r--r--	2026-03-11 06:54
webbrowser.py	23.52 KB	-rwxr-xr-x	2026-03-11 06:54
xdrlib.py	5.77 KB	-rw-r--r--	2026-03-11 06:54
zipapp.py	7.36 KB	-rw-r--r--	2026-03-11 06:54
zipfile.py	85.23 KB	-rw-r--r--	2026-03-11 06:54
zipimport.py	30.04 KB	-rw-r--r--	2026-03-11 06:54

Rename

"""Interface to the compiler's internal symbol tables"""

import _symtable
from _symtable import (USE, DEF_GLOBAL, DEF_NONLOCAL, DEF_LOCAL, DEF_PARAM,
     DEF_IMPORT, DEF_BOUND, DEF_ANNOT, SCOPE_OFF, SCOPE_MASK, FREE,
     LOCAL, GLOBAL_IMPLICIT, GLOBAL_EXPLICIT, CELL)

import weakref

__all__ = ["symtable", "SymbolTable", "Class", "Function", "Symbol"]

def symtable(code, filename, compile_type):
    top = _symtable.symtable(code, filename, compile_type)
    return _newSymbolTable(top, filename)

class SymbolTableFactory:
    def __init__(self):
        self.__memo = weakref.WeakValueDictionary()

def new(self, table, filename):
        if table.type == _symtable.TYPE_FUNCTION:
            return Function(table, filename)
        if table.type == _symtable.TYPE_CLASS:
            return Class(table, filename)
        return SymbolTable(table, filename)

def __call__(self, table, filename):
        key = table, filename
        obj = self.__memo.get(key, None)
        if obj is None:
            obj = self.__memo[key] = self.new(table, filename)
        return obj

_newSymbolTable = SymbolTableFactory()

class SymbolTable:

def __init__(self, raw_table, filename):
        self._table = raw_table
        self._filename = filename
        self._symbols = {}

def __repr__(self):
        if self.__class__ == SymbolTable:
            kind = ""
        else:
            kind = "%s " % self.__class__.__name__

if self._table.name == "top":
            return "<{0}SymbolTable for module {1}>".format(kind, self._filename)
        else:
            return "<{0}SymbolTable for {1} in {2}>".format(kind,
                                                            self._table.name,
                                                            self._filename)

def get_type(self):
        if self._table.type == _symtable.TYPE_MODULE:
            return "module"
        if self._table.type == _symtable.TYPE_FUNCTION:
            return "function"
        if self._table.type == _symtable.TYPE_CLASS:
            return "class"
        assert self._table.type in (1, 2, 3), \
               "unexpected type: {0}".format(self._table.type)

def get_id(self):
        return self._table.id

def get_name(self):
        return self._table.name

def get_lineno(self):
        return self._table.lineno

def is_optimized(self):
        return bool(self._table.type == _symtable.TYPE_FUNCTION)

def is_nested(self):
        return bool(self._table.nested)

def has_children(self):
        return bool(self._table.children)

def get_identifiers(self):
        return self._table.symbols.keys()

def lookup(self, name):
        sym = self._symbols.get(name)
        if sym is None:
            flags = self._table.symbols[name]
            namespaces = self.__check_children(name)
            module_scope = (self._table.name == "top")
            sym = self._symbols[name] = Symbol(name, flags, namespaces,
                                               module_scope=module_scope)
        return sym

def get_symbols(self):
        return [self.lookup(ident) for ident in self.get_identifiers()]

def __check_children(self, name):
        return [_newSymbolTable(st, self._filename)
                for st in self._table.children
                if st.name == name]

def get_children(self):
        return [_newSymbolTable(st, self._filename)
                for st in self._table.children]

class Function(SymbolTable):

# Default values for instance variables
    __params = None
    __locals = None
    __frees = None
    __globals = None
    __nonlocals = None

def __idents_matching(self, test_func):
        return tuple(ident for ident in self.get_identifiers()
                     if test_func(self._table.symbols[ident]))

def get_parameters(self):
        if self.__params is None:
            self.__params = self.__idents_matching(lambda x:x & DEF_PARAM)
        return self.__params

def get_locals(self):
        if self.__locals is None:
            locs = (LOCAL, CELL)
            test = lambda x: ((x >> SCOPE_OFF) & SCOPE_MASK) in locs
            self.__locals = self.__idents_matching(test)
        return self.__locals

def get_globals(self):
        if self.__globals is None:
            glob = (GLOBAL_IMPLICIT, GLOBAL_EXPLICIT)
            test = lambda x:((x >> SCOPE_OFF) & SCOPE_MASK) in glob
            self.__globals = self.__idents_matching(test)
        return self.__globals

def get_nonlocals(self):
        if self.__nonlocals is None:
            self.__nonlocals = self.__idents_matching(lambda x:x & DEF_NONLOCAL)
        return self.__nonlocals

def get_frees(self):
        if self.__frees is None:
            is_free = lambda x:((x >> SCOPE_OFF) & SCOPE_MASK) == FREE
            self.__frees = self.__idents_matching(is_free)
        return self.__frees

class Class(SymbolTable):

__methods = None

def get_methods(self):
        if self.__methods is None:
            d = {}
            for st in self._table.children:
                d[st.name] = 1
            self.__methods = tuple(d)
        return self.__methods

class Symbol:

def __init__(self, name, flags, namespaces=None, *, module_scope=False):
        self.__name = name
        self.__flags = flags
        self.__scope = (flags >> SCOPE_OFF) & SCOPE_MASK # like PyST_GetScope()
        self.__namespaces = namespaces or ()
        self.__module_scope = module_scope

def __repr__(self):
        return "<symbol {0!r}>".format(self.__name)

def get_name(self):
        return self.__name

def is_referenced(self):
        return bool(self.__flags & _symtable.USE)

def is_parameter(self):
        return bool(self.__flags & DEF_PARAM)

def is_global(self):
        """Return *True* if the sysmbol is global.
        """
        return bool(self.__scope in (GLOBAL_IMPLICIT, GLOBAL_EXPLICIT)
                    or (self.__module_scope and self.__flags & DEF_BOUND))

def is_nonlocal(self):
        return bool(self.__flags & DEF_NONLOCAL)

def is_declared_global(self):
        return bool(self.__scope == GLOBAL_EXPLICIT)

def is_local(self):
        """Return *True* if the symbol is local.
        """
        return bool(self.__scope in (LOCAL, CELL)
                    or (self.__module_scope and self.__flags & DEF_BOUND))

def is_annotated(self):
        return bool(self.__flags & DEF_ANNOT)

def is_free(self):
        return bool(self.__scope == FREE)

def is_imported(self):
        return bool(self.__flags & DEF_IMPORT)

def is_assigned(self):
        return bool(self.__flags & DEF_LOCAL)

def is_namespace(self):
        """Returns true if name binding introduces new namespace.

If the name is used as the target of a function or class
        statement, this will be true.

Note that a single name can be bound to multiple objects.  If
        is_namespace() is true, the name may also be bound to other
        objects, like an int or list, that does not introduce a new
        namespace.
        """
        return bool(self.__namespaces)

def get_namespaces(self):
        """Return a list of namespaces bound to this name"""
        return self.__namespaces

def get_namespace(self):
        """Returns the single namespace bound to this name.

Raises ValueError if the name is bound to multiple namespaces.
        """
        if len(self.__namespaces) != 1:
            raise ValueError("name is bound to multiple namespaces")
        return self.__namespaces[0]

if __name__ == "__main__":
    import os, sys
    with open(sys.argv[0]) as f:
        src = f.read()
    mod = symtable(src, os.path.split(sys.argv[0])[1], "exec")
    for ident in mod.get_identifiers():
        info = mod.lookup(ident)
        print(info, info.is_local(), info.is_namespace())