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Name	Type	Size	Permissions	Modified	Actions
..	Parent	-	drwxr-xr-x	2026-04-10 04:18:08	-
__phello__	Folder	-	0755	2026-04-10 04:18:08
__pycache__	Folder	-	0755	2026-04-10 04:18:08
asyncio	Folder	-	0755	2026-04-10 04:18:08
collections	Folder	-	0755	2026-04-10 04:18:08
concurrent	Folder	-	0755	2026-04-10 04:18:08
ctypes	Folder	-	0755	2026-04-10 04:18:08
curses	Folder	-	0755	2026-04-10 04:18:08
dbm	Folder	-	0755	2026-04-10 04:18:08
email	Folder	-	0755	2026-04-10 04:18:08
encodings	Folder	-	0755	2026-04-10 04:18:08
html	Folder	-	0755	2026-04-10 04:18:08
http	Folder	-	0755	2026-04-10 04:18:08
importlib	Folder	-	0755	2026-04-10 04:18:08
json	Folder	-	0755	2026-04-10 04:18:08
lib-dynload	Folder	-	0755	2026-04-10 04:18:08
logging	Folder	-	0755	2026-04-10 04:18:08
multiprocessing	Folder	-	0755	2026-04-10 04:18:08
pydoc_data	Folder	-	0755	2026-04-10 04:18:08
re	Folder	-	0755	2026-04-10 04:18:08
sqlite3	Folder	-	0755	2026-04-10 04:18:08
test	Folder	-	0755	2026-04-10 04:18:08
tomllib	Folder	-	0755	2026-04-10 04:18:08
unittest	Folder	-	0755	2026-04-10 04:18:08
urllib	Folder	-	0755	2026-04-10 04:18:08
venv	Folder	-	0755	2026-04-10 04:18:08
wsgiref	Folder	-	0755	2026-04-10 04:18:08
xml	Folder	-	0755	2026-04-10 04:18:08
xmlrpc	Folder	-	0755	2026-04-10 04:18:08
zipfile	Folder	-	0755	2026-04-10 04:18:08
zoneinfo	Folder	-	0755	2026-04-10 04:18:08
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LICENSE.txt	File	13.61 KB	0644	2026-03-03 12:15:18
__future__.py	File	5.1 KB	0644	2026-03-03 12:15:18
__hello__.py	File	227 B	0644	2026-03-03 12:15:18
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abc.py	File	6.38 KB	0644	2026-03-03 12:15:18
aifc.py	File	33.41 KB	0644	2026-03-03 12:15:18
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argparse.py	File	99.37 KB	0644	2026-03-03 12:15:18
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base64.py	File	20.12 KB	0755	2026-03-03 12:15:18
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calendar.py	File	24.82 KB	0644	2026-03-03 12:15:18
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codecs.py	File	36.01 KB	0644	2026-03-03 12:15:18
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colorsys.py	File	3.97 KB	0644	2026-03-03 12:15:18
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configparser.py	File	52.53 KB	0644	2026-03-03 12:15:18
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copyreg.py	File	7.44 KB	0644	2026-03-03 12:15:18
crypt.py	File	3.82 KB	0644	2026-03-03 12:15:18
csv.py	File	16 KB	0644	2026-03-03 12:15:18
dataclasses.py	File	60.31 KB	0644	2026-03-03 12:15:18
datetime.py	File	268 B	0644	2026-03-03 12:15:18
decimal.py	File	320 B	0644	2026-03-03 12:15:18
difflib.py	File	81.36 KB	0644	2026-03-03 12:15:18
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doctest.py	File	103.98 KB	0644	2026-03-03 12:15:18
enum.py	File	79.72 KB	0644	2026-03-03 12:15:18
filecmp.py	File	9.95 KB	0644	2026-03-03 12:15:18
fileinput.py	File	15.35 KB	0644	2026-03-03 12:15:18
fnmatch.py	File	5.86 KB	0644	2026-03-03 12:15:18
fractions.py	File	37.17 KB	0644	2026-03-03 12:15:18
ftplib.py	File	33.92 KB	0644	2026-03-03 12:15:18
functools.py	File	37.23 KB	0644	2026-03-03 12:15:18
genericpath.py	File	5.44 KB	0644	2026-03-03 12:15:18
getopt.py	File	7.31 KB	0644	2026-03-03 12:15:18
getpass.py	File	5.85 KB	0644	2026-03-03 12:15:18
gettext.py	File	21.24 KB	0644	2026-03-03 12:15:18
glob.py	File	8.53 KB	0644	2026-03-03 12:15:18
graphlib.py	File	9.43 KB	0644	2026-03-03 12:15:18
gzip.py	File	24.28 KB	0644	2026-03-03 12:15:18
hashlib.py	File	9.13 KB	0644	2026-03-03 12:15:18
heapq.py	File	22.48 KB	0644	2026-03-03 12:15:18
hmac.py	File	7.54 KB	0644	2026-03-03 12:15:18
imaplib.py	File	52.43 KB	0644	2026-03-03 12:15:18
imghdr.py	File	4.29 KB	0644	2026-03-03 12:15:18
inspect.py	File	122.48 KB	0644	2026-03-03 12:15:18
io.py	File	3.5 KB	0644	2026-03-03 12:15:18
ipaddress.py	File	76.46 KB	0644	2026-03-03 12:15:18
keyword.py	File	1.05 KB	0644	2026-03-03 12:15:18
linecache.py	File	5.52 KB	0644	2026-03-03 12:15:18
locale.py	File	76.72 KB	0644	2026-03-03 12:15:18
lzma.py	File	12.97 KB	0644	2026-03-03 12:15:18
mailbox.py	File	77.06 KB	0644	2026-03-03 12:15:18
mailcap.py	File	9.11 KB	0644	2026-03-03 12:15:18
mimetypes.py	File	22.35 KB	0644	2026-03-03 12:15:18
modulefinder.py	File	23.14 KB	0644	2026-03-03 12:15:18
netrc.py	File	6.76 KB	0644	2026-03-03 12:15:18
nntplib.py	File	40.12 KB	0644	2026-03-03 12:15:18
ntpath.py	File	29.32 KB	0644	2026-03-03 12:15:18
nturl2path.py	File	2.82 KB	0644	2026-03-03 12:15:18
numbers.py	File	11.2 KB	0644	2026-03-03 12:15:18
opcode.py	File	12.87 KB	0644	2026-03-03 12:15:18
operator.py	File	10.71 KB	0644	2026-03-03 12:15:18
optparse.py	File	58.95 KB	0644	2026-03-03 12:15:18
os.py	File	38.85 KB	0644	2026-03-03 12:15:18
pathlib.py	File	49.95 KB	0644	2026-03-03 12:15:18
pdb.py	File	67.83 KB	0755	2026-03-03 12:15:18
pickle.py	File	63.38 KB	0644	2026-03-03 12:15:18
pickletools.py	File	91.66 KB	0644	2026-03-03 12:15:18
pipes.py	File	8.77 KB	0644	2026-03-03 12:15:18
pkgutil.py	File	17.85 KB	0644	2026-03-03 12:15:18
platform.py	File	42.32 KB	0755	2026-03-03 12:15:18
plistlib.py	File	27.91 KB	0644	2026-03-03 12:15:18
poplib.py	File	13.83 KB	0644	2026-03-03 12:15:18
posixpath.py	File	17.21 KB	0644	2026-03-03 12:15:18
pprint.py	File	23.59 KB	0644	2026-03-03 12:15:18
profile.py	File	22.55 KB	0755	2026-03-03 12:15:18
pstats.py	File	28.6 KB	0644	2026-03-03 12:15:18
pty.py	File	5.99 KB	0644	2026-03-03 12:15:18
py_compile.py	File	7.69 KB	0644	2026-03-03 12:15:18
pyclbr.py	File	11.13 KB	0644	2026-03-03 12:15:18
pydoc.py	File	110.44 KB	0755	2026-03-03 12:15:18
queue.py	File	11.23 KB	0644	2026-03-03 12:15:18
quopri.py	File	7.01 KB	0755	2026-03-03 12:15:18
random.py	File	33.87 KB	0644	2026-03-03 12:15:18
reprlib.py	File	6.42 KB	0644	2026-03-03 12:15:18
rlcompleter.py	File	7.64 KB	0644	2026-03-03 12:15:18
runpy.py	File	12.6 KB	0644	2026-03-03 12:15:18
sched.py	File	6.2 KB	0644	2026-03-03 12:15:18
secrets.py	File	1.94 KB	0644	2026-03-03 12:15:18
selectors.py	File	19.21 KB	0644	2026-03-03 12:15:18
shelve.py	File	8.36 KB	0644	2026-03-03 12:15:18
shlex.py	File	13.04 KB	0644	2026-03-03 12:15:18
shutil.py	File	56.76 KB	0644	2026-03-03 12:15:18
signal.py	File	2.44 KB	0644	2026-03-03 12:15:18
site.py	File	23.34 KB	0644	2026-03-03 12:15:18
sitecustomize.py	File	0 B	0	1970-01-01 00:00:00
smtplib.py	File	42.51 KB	0755	2026-03-03 12:15:18
sndhdr.py	File	7.27 KB	0644	2026-03-03 12:15:18
socket.py	File	36.53 KB	0644	2026-03-03 12:15:18
socketserver.py	File	27.2 KB	0644	2026-03-03 12:15:18
sre_compile.py	File	231 B	0644	2026-03-03 12:15:18
sre_constants.py	File	232 B	0644	2026-03-03 12:15:18
sre_parse.py	File	229 B	0644	2026-03-03 12:15:18
ssl.py	File	49.63 KB	0644	2026-03-03 12:15:18
stat.py	File	5.36 KB	0644	2026-03-03 12:15:18
statistics.py	File	49.05 KB	0644	2026-03-03 12:15:18
string.py	File	11.51 KB	0644	2026-03-03 12:15:18
stringprep.py	File	12.61 KB	0644	2026-03-03 12:15:18
struct.py	File	257 B	0644	2026-03-03 12:15:18
subprocess.py	File	86.65 KB	0644	2026-03-03 12:15:18
sunau.py	File	18.04 KB	0644	2026-03-03 12:15:18
symtable.py	File	10.5 KB	0644	2026-03-03 12:15:18
sysconfig.py	File	32 KB	0644	2026-03-03 12:15:18
tabnanny.py	File	11.26 KB	0755	2026-03-03 12:15:18
tarfile.py	File	109.92 KB	0755	2026-03-03 12:15:18
telnetlib.py	File	22.75 KB	0644	2026-03-03 12:15:18
tempfile.py	File	36.46 KB	0644	2026-03-03 12:15:18
textwrap.py	File	19.26 KB	0644	2026-03-03 12:15:18
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threading.py	File	58.71 KB	0644	2026-03-03 12:15:18
timeit.py	File	13.15 KB	0755	2026-03-03 12:15:18
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tokenize.py	File	20.72 KB	0644	2026-03-03 12:15:18
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traceback.py	File	45.24 KB	0644	2026-03-03 12:15:18
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typing.py	File	114.68 KB	0644	2026-03-03 12:15:18
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warnings.py	File	21.25 KB	0644	2026-03-03 12:15:18
wave.py	File	22.24 KB	0644	2026-03-03 12:15:18
weakref.py	File	21.01 KB	0644	2026-03-03 12:15:18
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xdrlib.py	File	5.8 KB	0644	2026-03-03 12:15:18
zipapp.py	File	7.37 KB	0644	2026-03-03 12:15:18
zipimport.py	File	27.47 KB	0644	2026-03-03 12:15:18

"""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):
    """ Return the toplevel *SymbolTable* for the source code.

*filename* is the name of the file with the code
    and *compile_type* is the *compile()* mode argument.
    """
    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):
        """Return the type of the symbol table.

The values returned are 'class', 'module', 'function',
        'annotation', 'TypeVar bound', 'type alias', and 'type parameter'.
        """
        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"
        if self._table.type == _symtable.TYPE_ANNOTATION:
            return "annotation"
        if self._table.type == _symtable.TYPE_TYPE_VAR_BOUND:
            return "TypeVar bound"
        if self._table.type == _symtable.TYPE_TYPE_ALIAS:
            return "type alias"
        if self._table.type == _symtable.TYPE_TYPE_PARAM:
            return "type parameter"
        assert False, f"unexpected type: {self._table.type}"

def get_id(self):
        """Return an identifier for the table.
        """
        return self._table.id

def get_name(self):
        """Return the table's name.

This corresponds to the name of the class, function
        or 'top' if the table is for a class, function or
        global respectively.
        """
        return self._table.name

def get_lineno(self):
        """Return the number of the first line in the
        block for the table.
        """
        return self._table.lineno

def is_optimized(self):
        """Return *True* if the locals in the table
        are optimizable.
        """
        return bool(self._table.type == _symtable.TYPE_FUNCTION)

def is_nested(self):
        """Return *True* if the block is a nested class
        or function."""
        return bool(self._table.nested)

def has_children(self):
        """Return *True* if the block has nested namespaces.
        """
        return bool(self._table.children)

def get_identifiers(self):
        """Return a view object containing the names of symbols in the table.
        """
        return self._table.symbols.keys()

def lookup(self, name):
        """Lookup a *name* in the table.

Returns a *Symbol* instance.
        """
        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 a list of *Symbol* instances for
        names in the table.
        """
        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 a list of the nested symbol tables.
        """
        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):
        """Return a tuple of parameters to the function.
        """
        if self.__params is None:
            self.__params = self.__idents_matching(lambda x:x & DEF_PARAM)
        return self.__params

def get_locals(self):
        """Return a tuple of locals in the function.
        """
        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):
        """Return a tuple of globals in the function.
        """
        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):
        """Return a tuple of nonlocals in the function.
        """
        if self.__nonlocals is None:
            self.__nonlocals = self.__idents_matching(lambda x:x & DEF_NONLOCAL)
        return self.__nonlocals

def get_frees(self):
        """Return a tuple of free variables in the function.
        """
        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):
        """Return a tuple of methods declared in the class.
        """
        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 a name of a symbol.
        """
        return self.__name

def is_referenced(self):
        """Return *True* if the symbol is used in
        its block.
        """
        return bool(self.__flags & _symtable.USE)

def is_parameter(self):
        """Return *True* if the symbol is a parameter.
        """
        return bool(self.__flags & DEF_PARAM)

def is_global(self):
        """Return *True* if the symbol 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 *True* if the symbol is nonlocal."""
        return bool(self.__flags & DEF_NONLOCAL)

def is_declared_global(self):
        """Return *True* if the symbol is declared global
        with a global statement."""
        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 *True* if the symbol is annotated.
        """
        return bool(self.__flags & DEF_ANNOT)

def is_free(self):
        """Return *True* if a referenced symbol is
        not assigned to.
        """
        return bool(self.__scope == FREE)

def is_imported(self):
        """Return *True* if the symbol is created from
        an import statement.
        """
        return bool(self.__flags & DEF_IMPORT)

def is_assigned(self):
        """Return *True* if a symbol is assigned to."""
        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):
        """Return the single namespace bound to this name.

Raises ValueError if the name is bound to multiple namespaces
        or no namespace.
        """
        if len(self.__namespaces) == 0:
            raise ValueError("name is not bound to any namespaces")
        elif len(self.__namespaces) > 1:
            raise ValueError("name is bound to multiple namespaces")
        else:
            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())

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