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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
collections	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
concurrent	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
config-3.3m	[ DIR ]	drwxr-xr-x	2024-05-26 02:19
ctypes	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
curses	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
dbm	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
distutils	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
email	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
encodings	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
html	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
http	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
idlelib	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
importlib	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
json	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
lib-dynload	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
lib2to3	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
logging	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
multiprocessing	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
plat-linux	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
pydoc_data	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
site-packages	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
sqlite3	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
test	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
unittest	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
urllib	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
venv	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
wsgiref	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
xml	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
xmlrpc	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
__future__.py	4.48 KB	-rw-r--r--	2024-04-17 12:47
__phello__.foo.py	64 B	-rw-r--r--	2024-04-17 12:47
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_sysconfigdata.py	19.72 KB	-rw-r--r--	2024-04-17 12:47
_threading_local.py	7.24 KB	-rw-r--r--	2024-04-17 12:47
_weakrefset.py	5.57 KB	-rw-r--r--	2024-04-17 12:47
abc.py	7.87 KB	-rw-r--r--	2024-04-17 12:47
aifc.py	30.33 KB	-rw-r--r--	2024-04-17 12:47
antigravity.py	475 B	-rw-r--r--	2024-04-17 12:47
argparse.py	86.98 KB	-rw-r--r--	2024-04-17 12:47
ast.py	11.86 KB	-rw-r--r--	2024-04-17 12:47
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bisect.py	2.53 KB	-rw-r--r--	2024-04-17 12:47
bz2.py	18.04 KB	-rw-r--r--	2024-04-17 12:47
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calendar.py	22.4 KB	-rw-r--r--	2024-04-17 12:47
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codecs.py	35.11 KB	-rw-r--r--	2024-04-17 12:47
codeop.py	5.85 KB	-rw-r--r--	2024-04-17 12:47
colorsys.py	3.6 KB	-rw-r--r--	2024-04-17 12:47
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configparser.py	48.28 KB	-rw-r--r--	2024-04-17 12:47
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copyreg.py	6.46 KB	-rw-r--r--	2024-04-17 12:47
crypt.py	1.83 KB	-rw-r--r--	2024-04-17 12:47
csv.py	15.81 KB	-rw-r--r--	2024-04-17 12:47
datetime.py	73.2 KB	-rw-r--r--	2024-04-17 12:47
decimal.py	223.2 KB	-rw-r--r--	2024-04-17 12:47
difflib.py	80.58 KB	-rw-r--r--	2024-04-17 12:47
dis.py	9.9 KB	-rw-r--r--	2024-04-17 12:47
doctest.py	100.52 KB	-rw-r--r--	2024-04-17 12:47
dummy_threading.py	2.75 KB	-rw-r--r--	2024-04-17 12:47
filecmp.py	9.37 KB	-rw-r--r--	2024-04-17 12:47
fileinput.py	13.92 KB	-rw-r--r--	2024-04-17 12:47
fnmatch.py	3.09 KB	-rw-r--r--	2024-04-17 12:47
formatter.py	14.58 KB	-rw-r--r--	2024-04-17 12:47
fractions.py	22.49 KB	-rw-r--r--	2024-04-17 12:47
ftplib.py	39.31 KB	-rw-r--r--	2024-04-17 12:47
functools.py	13.28 KB	-rw-r--r--	2024-04-17 12:47
genericpath.py	3.02 KB	-rw-r--r--	2024-04-17 12:47
getopt.py	7.31 KB	-rw-r--r--	2024-04-17 12:47
getpass.py	5.66 KB	-rw-r--r--	2024-04-17 12:47
gettext.py	20.15 KB	-rw-r--r--	2024-04-17 12:47
glob.py	2.77 KB	-rw-r--r--	2024-04-17 12:47
gzip.py	23.83 KB	-rw-r--r--	2024-04-17 12:47
hashlib.py	6.05 KB	-rw-r--r--	2024-04-17 12:47
heapq.py	17.58 KB	-rw-r--r--	2024-04-17 12:47
hmac.py	4.34 KB	-rw-r--r--	2024-04-17 12:47
imaplib.py	48.94 KB	-rw-r--r--	2024-04-17 12:47
imghdr.py	3.45 KB	-rw-r--r--	2024-04-17 12:47
imp.py	9.5 KB	-rw-r--r--	2024-04-17 12:47
inspect.py	77.11 KB	-rw-r--r--	2024-04-17 12:47
io.py	3.2 KB	-rw-r--r--	2024-04-17 12:47
ipaddress.py	68.66 KB	-rw-r--r--	2024-04-17 12:47
keyword.py	2.01 KB	-rwxr-xr-x	2024-04-17 12:47
linecache.py	3.77 KB	-rw-r--r--	2024-04-17 12:47
locale.py	91.03 KB	-rw-r--r--	2024-04-17 12:47
lzma.py	17.04 KB	-rw-r--r--	2024-04-17 12:47
macpath.py	5.49 KB	-rw-r--r--	2024-04-17 12:47
macurl2path.py	2.67 KB	-rw-r--r--	2024-04-17 12:47
mailbox.py	77.24 KB	-rw-r--r--	2024-04-17 12:47
mailcap.py	7.26 KB	-rw-r--r--	2024-04-17 12:47
mimetypes.py	20.25 KB	-rw-r--r--	2024-04-17 12:47
modulefinder.py	22.65 KB	-rw-r--r--	2024-04-17 12:47
netrc.py	5.61 KB	-rw-r--r--	2024-04-17 12:47
nntplib.py	41.78 KB	-rw-r--r--	2024-04-17 12:47
ntpath.py	19.96 KB	-rw-r--r--	2024-04-17 12:47
nturl2path.py	2.34 KB	-rw-r--r--	2024-04-17 12:47
numbers.py	10.15 KB	-rw-r--r--	2024-04-17 12:47
opcode.py	4.98 KB	-rw-r--r--	2024-04-17 12:47
optparse.py	58.93 KB	-rw-r--r--	2024-04-17 12:47
os.py	33.96 KB	-rw-r--r--	2024-04-17 12:47
os2emxpath.py	4.55 KB	-rw-r--r--	2024-04-17 12:47
pdb.py	59.23 KB	-rwxr-xr-x	2024-04-17 12:47
pickle.py	46.74 KB	-rw-r--r--	2024-04-17 12:47
pickletools.py	79.44 KB	-rw-r--r--	2024-04-17 12:47
pipes.py	8.71 KB	-rw-r--r--	2024-04-17 12:47
pkgutil.py	21.03 KB	-rw-r--r--	2024-04-17 12:47
platform.py	49.55 KB	-rwxr-xr-x	2024-04-17 12:47
plistlib.py	14.43 KB	-rw-r--r--	2024-04-17 12:47
poplib.py	11.11 KB	-rw-r--r--	2024-04-17 12:47
posixpath.py	13.92 KB	-rw-r--r--	2024-04-17 12:47
pprint.py	12.4 KB	-rw-r--r--	2024-04-17 12:47
profile.py	20.95 KB	-rwxr-xr-x	2024-04-17 12:47
pstats.py	25.75 KB	-rw-r--r--	2024-04-17 12:47
pty.py	4.94 KB	-rw-r--r--	2024-04-17 12:47
py_compile.py	6.56 KB	-rw-r--r--	2024-04-17 12:47
pyclbr.py	13.12 KB	-rw-r--r--	2024-04-17 12:47
pydoc.py	99.26 KB	-rwxr-xr-x	2024-04-17 12:47
queue.py	8.63 KB	-rw-r--r--	2024-04-17 12:47
quopri.py	7.14 KB	-rwxr-xr-x	2024-04-17 12:47
random.py	25.06 KB	-rw-r--r--	2024-04-17 12:47
re.py	14.62 KB	-rw-r--r--	2024-04-17 12:47
reprlib.py	4.99 KB	-rw-r--r--	2024-04-17 12:47
rlcompleter.py	5.4 KB	-rw-r--r--	2024-04-17 12:47
runpy.py	10.17 KB	-rw-r--r--	2024-04-17 12:47
sched.py	6.25 KB	-rw-r--r--	2024-04-17 12:47
shelve.py	8.05 KB	-rw-r--r--	2024-04-17 12:47
shlex.py	11.23 KB	-rw-r--r--	2024-04-17 12:47
shutil.py	38.23 KB	-rw-r--r--	2024-04-17 12:47
site.py	21.46 KB	-rw-r--r--	2024-04-17 12:47
smtpd.py	29.5 KB	-rwxr-xr-x	2024-04-17 12:47
smtplib.py	37.13 KB	-rwxr-xr-x	2024-04-17 12:47
sndhdr.py	6.07 KB	-rw-r--r--	2024-04-17 12:47
socket.py	14.56 KB	-rw-r--r--	2024-04-17 12:47
socketserver.py	23.63 KB	-rw-r--r--	2024-04-17 12:47
sre_compile.py	15.96 KB	-rw-r--r--	2024-04-17 12:47
sre_constants.py	7.06 KB	-rw-r--r--	2024-04-17 12:47
sre_parse.py	29.5 KB	-rw-r--r--	2024-04-17 12:47
ssl.py	23.76 KB	-rw-r--r--	2024-04-17 12:47
stat.py	4.2 KB	-rw-r--r--	2024-04-17 12:47
string.py	9.19 KB	-rw-r--r--	2024-04-17 12:47
stringprep.py	12.61 KB	-rw-r--r--	2024-04-17 12:47
struct.py	238 B	-rw-r--r--	2024-04-17 12:47
subprocess.py	65.99 KB	-rw-r--r--	2024-04-17 12:47
sunau.py	17.11 KB	-rw-r--r--	2024-04-17 12:47
symbol.py	2 KB	-rwxr-xr-x	2024-04-17 12:47
symtable.py	7.21 KB	-rw-r--r--	2024-04-17 12:47
sysconfig.py	24.58 KB	-rw-r--r--	2024-04-17 12:47
tabnanny.py	11.14 KB	-rwxr-xr-x	2024-04-17 12:47
tarfile.py	86.78 KB	-rwxr-xr-x	2024-04-17 12:47
telnetlib.py	26.71 KB	-rw-r--r--	2024-04-17 12:47
tempfile.py	22.47 KB	-rw-r--r--	2024-04-17 12:47
textwrap.py	16.1 KB	-rw-r--r--	2024-04-17 12:47
this.py	1003 B	-rw-r--r--	2024-04-17 12:47
threading.py	44.57 KB	-rw-r--r--	2024-04-17 12:47
timeit.py	12.1 KB	-rwxr-xr-x	2024-04-17 12:47
token.py	2.96 KB	-rw-r--r--	2024-04-17 12:47
tokenize.py	24.29 KB	-rw-r--r--	2024-04-17 12:47
trace.py	30.75 KB	-rwxr-xr-x	2024-04-17 12:47
traceback.py	11.7 KB	-rw-r--r--	2024-04-17 12:47
tty.py	879 B	-rw-r--r--	2024-04-17 12:47
types.py	3.09 KB	-rw-r--r--	2024-04-17 12:47
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uuid.py	21.83 KB	-rw-r--r--	2024-04-17 12:47
warnings.py	13.5 KB	-rw-r--r--	2024-04-17 12:47
wave.py	18.14 KB	-rw-r--r--	2024-04-17 12:47
weakref.py	11.23 KB	-rw-r--r--	2024-04-17 12:47
webbrowser.py	22.38 KB	-rwxr-xr-x	2024-04-17 12:47
xdrlib.py	5.25 KB	-rw-r--r--	2024-04-17 12:47
zipfile.py	64.87 KB	-rw-r--r--	2024-04-17 12:47

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, OPT_IMPORT_STAR, 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
                    and not self._table.optimized)

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 has_import_star(self):
        """Return true if the scope uses import *"""
        return bool(self._table.optimized & OPT_IMPORT_STAR)

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
    src = open(sys.argv[0]).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())