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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2022-03-20 10:37
asyncio	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
collections	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
concurrent	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
config-3.5m-x86_64-linux-gnu	[ DIR ]	drwxr-xr-x	2025-04-10 17:07
ctypes	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
curses	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
dbm	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
distutils	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
email	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
encodings	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
html	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
http	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
idlelib	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
importlib	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
json	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
lib-dynload	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
lib2to3	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
logging	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
multiprocessing	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
plat-x86_64-linux-gnu	[ DIR ]	drwxrwxrwx	2022-03-20 10:35
pydoc_data	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
sqlite3	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
test	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
tkinter	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
unittest	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
urllib	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
venv	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
wsgiref	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
xml	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
xmlrpc	[ DIR ]	drwxrwxrwx	2022-03-20 10:37
LICENSE.txt	12.47 KB	-rw-r--r--	2021-11-04 16:29
__future__.py	4.73 KB	-rw-r--r--	2021-11-04 16:29
__phello__.foo.py	64 B	-rw-r--r--	2021-11-04 16:29
_bootlocale.py	1.27 KB	-rw-r--r--	2021-11-04 16:29
_collections_abc.py	24.21 KB	-rw-r--r--	2021-11-04 16:29
_compat_pickle.py	8.36 KB	-rw-r--r--	2021-11-04 16:29
_compression.py	5.21 KB	-rw-r--r--	2021-11-04 16:29
_dummy_thread.py	5 KB	-rw-r--r--	2021-11-04 16:29
_markupbase.py	14.26 KB	-rw-r--r--	2021-11-04 16:29
_osx_support.py	18.66 KB	-rw-r--r--	2021-11-04 16:29
_pydecimal.py	223.27 KB	-rw-r--r--	2021-11-04 16:29
_pyio.py	85.91 KB	-rw-r--r--	2021-11-04 16:29
_sitebuiltins.py	3.04 KB	-rw-r--r--	2021-11-04 16:29
_strptime.py	21.67 KB	-rw-r--r--	2021-11-04 16:29
_sysconfigdata.py	126 B	-rw-r--r--	2021-11-04 15:55
_threading_local.py	7.24 KB	-rw-r--r--	2021-11-04 16:29
_weakrefset.py	5.57 KB	-rw-r--r--	2021-11-04 16:29
abc.py	8.43 KB	-rw-r--r--	2021-11-04 16:29
aifc.py	30.84 KB	-rw-r--r--	2021-11-04 16:29
antigravity.py	476 B	-rw-r--r--	2021-11-04 16:29
argparse.py	88.21 KB	-rw-r--r--	2021-11-04 16:29
ast.py	11.72 KB	-rw-r--r--	2021-11-04 16:29
asynchat.py	11.69 KB	-rw-r--r--	2021-11-04 16:29
asyncore.py	19.63 KB	-rw-r--r--	2021-11-04 16:29
base64.py	19.96 KB	-rwxr-xr-x	2021-11-04 16:29
bdb.py	22.81 KB	-rw-r--r--	2021-11-04 16:29
binhex.py	13.63 KB	-rw-r--r--	2021-11-04 16:29
bisect.py	2.53 KB	-rw-r--r--	2021-11-04 16:29
bz2.py	12.13 KB	-rw-r--r--	2021-11-04 16:29
cProfile.py	5.19 KB	-rwxr-xr-x	2021-11-04 16:29
calendar.py	22.46 KB	-rw-r--r--	2021-11-04 16:29
cgi.py	35.48 KB	-rwxr-xr-x	2021-11-04 16:29
cgitb.py	11.74 KB	-rw-r--r--	2021-11-04 16:29
chunk.py	5.3 KB	-rw-r--r--	2021-11-04 16:29
cmd.py	14.51 KB	-rw-r--r--	2021-11-04 16:29
code.py	9.88 KB	-rw-r--r--	2021-11-04 16:29
codecs.py	35.38 KB	-rw-r--r--	2021-11-04 16:29
codeop.py	5.85 KB	-rw-r--r--	2021-11-04 16:29
colorsys.py	3.97 KB	-rw-r--r--	2021-11-04 16:29
compileall.py	11.44 KB	-rw-r--r--	2021-11-04 16:29
configparser.py	52.2 KB	-rw-r--r--	2021-11-04 16:29
contextlib.py	12.11 KB	-rw-r--r--	2021-11-04 16:29
copy.py	8.74 KB	-rw-r--r--	2021-11-04 16:29
copyreg.py	6.67 KB	-rw-r--r--	2021-11-04 16:29
crypt.py	1.83 KB	-rw-r--r--	2021-11-04 16:29
csv.py	15.75 KB	-rw-r--r--	2021-11-04 16:29
datetime.py	74.12 KB	-rw-r--r--	2021-11-04 16:29
decimal.py	320 B	-rw-r--r--	2021-11-04 16:29
difflib.py	82.23 KB	-rw-r--r--	2021-11-04 16:29
dis.py	16.94 KB	-rw-r--r--	2021-11-04 16:29
doctest.py	101.6 KB	-rw-r--r--	2021-11-04 16:29
dummy_threading.py	2.75 KB	-rw-r--r--	2021-11-04 16:29
enum.py	21.71 KB	-rw-r--r--	2021-11-04 16:29
filecmp.py	9.6 KB	-rw-r--r--	2021-11-04 16:29
fileinput.py	13.92 KB	-rw-r--r--	2021-11-04 16:29
fnmatch.py	3.09 KB	-rw-r--r--	2021-11-04 16:29
formatter.py	14.79 KB	-rw-r--r--	2021-11-04 16:29
fractions.py	24.04 KB	-rw-r--r--	2021-11-04 16:29
ftplib.py	34.01 KB	-rw-r--r--	2021-11-04 16:29
functools.py	28.27 KB	-rw-r--r--	2021-11-04 16:29
genericpath.py	4.26 KB	-rw-r--r--	2021-11-04 16:29
getopt.py	7.31 KB	-rw-r--r--	2021-11-04 16:29
getpass.py	5.91 KB	-rw-r--r--	2021-11-04 16:29
gettext.py	21.09 KB	-rw-r--r--	2021-11-04 16:29
glob.py	4.95 KB	-rw-r--r--	2021-11-04 16:29
gzip.py	19.79 KB	-rw-r--r--	2021-11-04 16:29
hashlib.py	7.79 KB	-rw-r--r--	2021-11-04 16:29
heapq.py	22.39 KB	-rw-r--r--	2021-11-04 16:29
hmac.py	4.94 KB	-rw-r--r--	2021-11-04 16:29
imaplib.py	50.78 KB	-rw-r--r--	2021-11-04 16:29
imghdr.py	3.67 KB	-rw-r--r--	2021-11-04 16:29
imp.py	10.38 KB	-rw-r--r--	2021-11-04 16:29
inspect.py	110.78 KB	-rw-r--r--	2021-11-04 16:29
io.py	3.32 KB	-rw-r--r--	2021-11-04 16:29
ipaddress.py	73.83 KB	-rw-r--r--	2021-11-04 16:29
keyword.py	2.16 KB	-rwxr-xr-x	2021-11-04 16:29
linecache.py	5.19 KB	-rw-r--r--	2021-11-04 16:29
locale.py	72.97 KB	-rw-r--r--	2021-11-04 16:29
lzma.py	12.62 KB	-rw-r--r--	2021-11-04 16:29
macpath.py	5.77 KB	-rw-r--r--	2021-11-04 16:29
macurl2path.py	2.67 KB	-rw-r--r--	2021-11-04 16:29
mailbox.py	76.58 KB	-rw-r--r--	2021-11-04 16:29
mailcap.py	7.91 KB	-rw-r--r--	2021-11-04 16:29
mimetypes.py	20.36 KB	-rw-r--r--	2021-11-04 16:29
modulefinder.py	22.54 KB	-rw-r--r--	2021-11-04 16:29
netrc.py	5.61 KB	-rw-r--r--	2021-11-04 16:29
nntplib.py	42.07 KB	-rw-r--r--	2021-11-04 16:29
ntpath.py	22.26 KB	-rw-r--r--	2021-11-04 16:29
nturl2path.py	2.39 KB	-rw-r--r--	2021-11-04 16:29
numbers.py	10 KB	-rw-r--r--	2021-11-04 16:29
opcode.py	5.75 KB	-rw-r--r--	2021-11-04 16:29
operator.py	10.61 KB	-rw-r--r--	2021-11-04 16:29
optparse.py	58.93 KB	-rw-r--r--	2021-11-04 16:29
os.py	36.08 KB	-rw-r--r--	2021-11-04 16:29
pathlib.py	45.89 KB	-rw-r--r--	2021-11-04 16:29
pdb.py	59.7 KB	-rwxr-xr-x	2021-11-04 16:29
pickle.py	54.86 KB	-rw-r--r--	2021-11-04 16:29
pickletools.py	89.61 KB	-rw-r--r--	2021-11-04 16:29
pipes.py	8.71 KB	-rw-r--r--	2021-11-04 16:29
pkgutil.py	20.66 KB	-rw-r--r--	2021-11-04 16:29
platform.py	45.96 KB	-rwxr-xr-x	2021-11-04 16:29
plistlib.py	30.73 KB	-rw-r--r--	2021-11-04 16:29
poplib.py	14.17 KB	-rw-r--r--	2021-11-04 16:29
posixpath.py	14.56 KB	-rw-r--r--	2021-11-04 16:29
pprint.py	20.37 KB	-rw-r--r--	2021-11-04 16:29
profile.py	21.5 KB	-rwxr-xr-x	2021-11-04 16:29
pstats.py	25.85 KB	-rw-r--r--	2021-11-04 16:29
pty.py	4.65 KB	-rw-r--r--	2021-11-04 16:29
py_compile.py	7.01 KB	-rw-r--r--	2021-11-04 16:29
pyclbr.py	13.25 KB	-rw-r--r--	2021-11-04 16:29
pydoc.py	100.44 KB	-rwxr-xr-x	2021-11-04 16:29
queue.py	8.57 KB	-rw-r--r--	2021-11-04 16:29
quopri.py	7.08 KB	-rwxr-xr-x	2021-11-04 16:29
random.py	25.84 KB	-rw-r--r--	2021-11-04 16:29
re.py	15.14 KB	-rw-r--r--	2021-11-04 16:29
reprlib.py	5.21 KB	-rw-r--r--	2021-11-04 16:29
rlcompleter.py	6.16 KB	-rw-r--r--	2021-11-04 16:29
runpy.py	11.68 KB	-rw-r--r--	2021-11-04 16:29
sched.py	6.07 KB	-rw-r--r--	2021-11-04 16:29
selectors.py	18.98 KB	-rw-r--r--	2021-11-04 16:29
shelve.py	8.33 KB	-rw-r--r--	2021-11-04 16:29
shlex.py	11.18 KB	-rw-r--r--	2021-11-04 16:29
shutil.py	39.11 KB	-rw-r--r--	2021-11-04 16:29
signal.py	2.07 KB	-rw-r--r--	2021-11-04 16:29
site.py	21.74 KB	-rw-r--r--	2021-11-04 16:29
sitecustomize.py	155 B	-rw-r--r--	2017-01-19 15:11
smtpd.py	34.53 KB	-rwxr-xr-x	2021-11-04 16:29
smtplib.py	42.57 KB	-rwxr-xr-x	2021-11-04 16:29
sndhdr.py	6.27 KB	-rw-r--r--	2021-11-04 16:29
socket.py	26.5 KB	-rw-r--r--	2021-11-04 16:29
socketserver.py	24.09 KB	-rw-r--r--	2021-11-04 16:29
sre_compile.py	17.98 KB	-rw-r--r--	2021-11-04 16:29
sre_constants.py	6.3 KB	-rw-r--r--	2021-11-04 16:29
sre_parse.py	34.14 KB	-rw-r--r--	2021-11-04 16:29
ssl.py	41.36 KB	-rw-r--r--	2021-11-04 16:29
stat.py	4.92 KB	-rw-r--r--	2021-11-04 16:29
statistics.py	19.08 KB	-rw-r--r--	2021-11-04 16:29
string.py	11.58 KB	-rw-r--r--	2021-11-04 16:29
stringprep.py	12.61 KB	-rw-r--r--	2021-11-04 16:29
struct.py	257 B	-rw-r--r--	2021-11-04 16:29
subprocess.py	57.12 KB	-rw-r--r--	2021-11-04 16:29
sunau.py	17.67 KB	-rw-r--r--	2021-11-04 16:29
symbol.py	2.04 KB	-rwxr-xr-x	2021-11-04 16:29
symtable.py	7.02 KB	-rw-r--r--	2021-11-04 16:29
sysconfig.py	24.07 KB	-rw-r--r--	2021-11-04 16:29
tabnanny.py	11.13 KB	-rwxr-xr-x	2021-11-04 16:29
tarfile.py	90.96 KB	-rwxr-xr-x	2021-11-04 16:29
telnetlib.py	22.48 KB	-rw-r--r--	2021-11-04 16:29
tempfile.py	30.98 KB	-rw-r--r--	2021-11-04 16:29
textwrap.py	19.1 KB	-rw-r--r--	2021-11-04 16:29
this.py	1003 B	-rw-r--r--	2021-11-04 16:29
threading.py	47.77 KB	-rw-r--r--	2021-11-04 16:29
timeit.py	12.1 KB	-rwxr-xr-x	2021-11-04 16:29
token.py	3 KB	-rw-r--r--	2021-11-04 16:29
tokenize.py	27.14 KB	-rw-r--r--	2021-11-04 16:29
trace.py	30.8 KB	-rwxr-xr-x	2021-11-04 16:29
traceback.py	21.66 KB	-rw-r--r--	2021-11-04 16:29
tracemalloc.py	15.27 KB	-rw-r--r--	2021-11-04 16:29
tty.py	879 B	-rw-r--r--	2021-11-04 16:29
turtle.py	140.25 KB	-rw-r--r--	2021-11-04 16:29
types.py	8.59 KB	-rw-r--r--	2021-11-04 16:29
typing.py	69.02 KB	-rw-r--r--	2021-11-04 16:29
uu.py	6.59 KB	-rwxr-xr-x	2021-11-04 16:29
uuid.py	22.72 KB	-rw-r--r--	2021-11-04 16:29
warnings.py	15.48 KB	-rw-r--r--	2021-11-04 16:29
wave.py	17.27 KB	-rw-r--r--	2021-11-04 16:29
weakref.py	19.95 KB	-rw-r--r--	2021-11-04 16:29
webbrowser.py	21.3 KB	-rwxr-xr-x	2021-11-04 16:29
xdrlib.py	5.77 KB	-rw-r--r--	2021-11-04 16:29
zipapp.py	6.99 KB	-rw-r--r--	2021-11-04 16:29
zipfile.py	72.12 KB	-rw-r--r--	2021-11-04 16:29

Rename

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

import _symtable
from _symtable import (USE, DEF_GLOBAL, DEF_LOCAL, DEF_PARAM,
     DEF_IMPORT, DEF_BOUND, 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(object):

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 == "global":
            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 has_exec(self):
        """Return true if the scope uses exec.  Deprecated method."""
        return False

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)
            sym = self._symbols[name] = Symbol(name, flags, namespaces)
        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

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_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(object):

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

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 bool(self.__scope in (GLOBAL_IMPLICIT, GLOBAL_EXPLICIT))

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

def is_local(self):
        return bool(self.__flags & DEF_BOUND)

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())