Gecko [ goons4good.org ]

Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
asyncio	[ 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-3.6m	[ 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
ensurepip	[ 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
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	4.73 KB	-rw-r--r--	2024-04-17 13:09
__phello__.foo.py	64 B	-rw-r--r--	2024-04-17 13:09
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abc.py	8.52 KB	-rw-r--r--	2024-04-17 13:09
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bz2.py	12.19 KB	-rw-r--r--	2024-04-17 13:09
cProfile.py	5.26 KB	-rwxr-xr-x	2024-04-17 13:09
calendar.py	22.67 KB	-rw-r--r--	2024-04-17 13:09
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codecs.py	35.43 KB	-rw-r--r--	2024-04-17 13:09
codeop.py	5.85 KB	-rw-r--r--	2024-04-17 13:09
colorsys.py	3.97 KB	-rw-r--r--	2024-04-17 13:09
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configparser.py	52.34 KB	-rw-r--r--	2024-04-17 13:09
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csv.py	15.8 KB	-rw-r--r--	2024-04-17 13:09
datetime.py	80.11 KB	-rw-r--r--	2024-04-17 13:09
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dis.py	17.71 KB	-rw-r--r--	2024-04-17 13:09
doctest.py	101.94 KB	-rw-r--r--	2024-04-17 13:09
dummy_threading.py	2.75 KB	-rw-r--r--	2024-04-17 13:09
enum.py	32.82 KB	-rw-r--r--	2024-04-17 13:09
filecmp.py	9.6 KB	-rw-r--r--	2024-04-17 13:09
fileinput.py	14.13 KB	-rw-r--r--	2024-04-17 13:09
fnmatch.py	3.09 KB	-rw-r--r--	2024-04-17 13:09
formatter.py	14.79 KB	-rw-r--r--	2024-04-17 13:09
fractions.py	23.08 KB	-rw-r--r--	2024-04-17 13:09
ftplib.py	34.78 KB	-rw-r--r--	2024-04-17 13:09
functools.py	30.61 KB	-rw-r--r--	2024-04-17 13:09
genericpath.py	4.64 KB	-rw-r--r--	2024-04-17 13:09
getopt.py	7.31 KB	-rw-r--r--	2024-04-17 13:09
getpass.py	5.85 KB	-rw-r--r--	2024-04-17 13:09
gettext.py	21.03 KB	-rw-r--r--	2024-04-17 13:09
glob.py	5.51 KB	-rw-r--r--	2024-04-17 13:09
gzip.py	19.86 KB	-rw-r--r--	2024-04-17 13:09
hashlib.py	9.31 KB	-rw-r--r--	2024-04-17 13:09
heapq.py	22.39 KB	-rw-r--r--	2024-04-17 13:09
hmac.py	4.94 KB	-rw-r--r--	2024-04-17 13:09
imaplib.py	52.05 KB	-rw-r--r--	2024-04-17 13:09
imghdr.py	3.71 KB	-rw-r--r--	2024-04-17 13:09
imp.py	10.42 KB	-rw-r--r--	2024-04-17 13:09
inspect.py	114.22 KB	-rw-r--r--	2024-04-17 13:09
io.py	3.43 KB	-rw-r--r--	2024-04-17 13:09
ipaddress.py	72.82 KB	-rw-r--r--	2024-04-17 13:09
keyword.py	2.17 KB	-rwxr-xr-x	2024-04-17 13:09
linecache.py	5.19 KB	-rw-r--r--	2024-04-17 13:09
locale.py	75.49 KB	-rw-r--r--	2024-04-17 13:09
lzma.py	12.68 KB	-rw-r--r--	2024-04-17 13:09
macpath.py	5.83 KB	-rw-r--r--	2024-04-17 13:09
macurl2path.py	2.67 KB	-rw-r--r--	2024-04-17 13:09
mailbox.py	76.78 KB	-rw-r--r--	2024-04-17 13:09
mailcap.py	7.91 KB	-rw-r--r--	2024-04-17 13:09
mimetypes.py	20.55 KB	-rw-r--r--	2024-04-17 13:09
modulefinder.py	22.49 KB	-rw-r--r--	2024-04-17 13:09
netrc.py	5.55 KB	-rw-r--r--	2024-04-17 13:09
nntplib.py	42.07 KB	-rw-r--r--	2024-04-17 13:09
ntpath.py	22.55 KB	-rw-r--r--	2024-04-17 13:09
nturl2path.py	2.39 KB	-rw-r--r--	2024-04-17 13:09
numbers.py	10 KB	-rw-r--r--	2024-04-17 13:09
opcode.py	5.69 KB	-rw-r--r--	2024-04-17 13:09
operator.py	10.61 KB	-rw-r--r--	2024-04-17 13:09
optparse.py	58.96 KB	-rw-r--r--	2024-04-17 13:09
os.py	36.65 KB	-rw-r--r--	2024-04-17 13:09
pathlib.py	47.83 KB	-rw-r--r--	2024-04-17 13:09
pdb.py	59.89 KB	-rwxr-xr-x	2024-04-17 13:09
pickle.py	54.39 KB	-rw-r--r--	2024-04-17 13:09
pickletools.py	89.62 KB	-rw-r--r--	2024-04-17 13:09
pipes.py	8.71 KB	-rw-r--r--	2024-04-17 13:09
pkgutil.py	20.82 KB	-rw-r--r--	2024-04-17 13:09
platform.py	46.1 KB	-rwxr-xr-x	2024-04-17 13:09
plistlib.py	32.02 KB	-rw-r--r--	2024-04-17 13:09
poplib.py	14.61 KB	-rw-r--r--	2024-04-17 13:09
posixpath.py	15.4 KB	-rw-r--r--	2024-04-17 13:09
pprint.py	20.37 KB	-rw-r--r--	2024-04-17 13:09
profile.py	21.52 KB	-rwxr-xr-x	2024-04-17 13:09
pstats.py	25.94 KB	-rw-r--r--	2024-04-17 13:09
pty.py	4.65 KB	-rw-r--r--	2024-04-17 13:09
py_compile.py	7.01 KB	-rw-r--r--	2024-04-17 13:09
pyclbr.py	13.24 KB	-rw-r--r--	2024-04-17 13:09
pydoc.py	101.08 KB	-rw-r--r--	2024-04-17 13:09
queue.py	8.57 KB	-rw-r--r--	2024-04-17 13:09
quopri.py	7.09 KB	-rwxr-xr-x	2024-04-17 13:09
random.py	26.8 KB	-rw-r--r--	2024-04-17 13:09
re.py	15.19 KB	-rw-r--r--	2024-04-17 13:09
reprlib.py	5.21 KB	-rw-r--r--	2024-04-17 13:09
rlcompleter.py	6.93 KB	-rw-r--r--	2024-04-17 13:09
runpy.py	11.68 KB	-rw-r--r--	2024-04-17 13:09
sched.py	6.36 KB	-rw-r--r--	2024-04-17 13:09
secrets.py	1.99 KB	-rw-r--r--	2024-04-17 13:09
selectors.py	18.98 KB	-rw-r--r--	2024-04-17 13:09
shelve.py	8.32 KB	-rw-r--r--	2024-04-17 13:09
shlex.py	12.65 KB	-rw-r--r--	2024-04-17 13:09
shutil.py	39.59 KB	-rw-r--r--	2024-04-17 13:09
signal.py	2.07 KB	-rw-r--r--	2024-04-17 13:09
site.py	20.53 KB	-rw-r--r--	2024-04-17 13:09
smtpd.py	33.91 KB	-rwxr-xr-x	2024-04-17 13:09
smtplib.py	43.38 KB	-rwxr-xr-x	2024-04-17 13:09
sndhdr.py	6.92 KB	-rw-r--r--	2024-04-17 13:09
socket.py	26.8 KB	-rw-r--r--	2024-04-17 13:09
socketserver.py	26.38 KB	-rw-r--r--	2024-04-17 13:09
sre_compile.py	18.88 KB	-rw-r--r--	2024-04-17 13:09
sre_constants.py	6.66 KB	-rw-r--r--	2024-04-17 13:09
sre_parse.py	35.68 KB	-rw-r--r--	2024-04-17 13:09
ssl.py	43.74 KB	-rw-r--r--	2024-04-17 13:09
stat.py	4.92 KB	-rw-r--r--	2024-04-17 13:09
statistics.py	20.19 KB	-rw-r--r--	2024-04-17 13:09
string.py	11.52 KB	-rw-r--r--	2024-04-17 13:09
stringprep.py	12.61 KB	-rw-r--r--	2024-04-17 13:09
struct.py	257 B	-rw-r--r--	2024-04-17 13:09
subprocess.py	60.88 KB	-rw-r--r--	2024-04-17 13:09
sunau.py	17.67 KB	-rw-r--r--	2024-04-17 13:09
symbol.py	2.07 KB	-rwxr-xr-x	2024-04-17 13:09
symtable.py	7.11 KB	-rw-r--r--	2024-04-17 13:09
sysconfig.py	24.4 KB	-rw-r--r--	2024-04-17 13:09
tabnanny.py	11.15 KB	-rwxr-xr-x	2024-04-17 13:09
tarfile.py	91.13 KB	-rwxr-xr-x	2024-04-17 13:09
telnetlib.py	22.59 KB	-rw-r--r--	2024-04-17 13:09
tempfile.py	26.15 KB	-rw-r--r--	2024-04-17 13:09
textwrap.py	19.1 KB	-rw-r--r--	2024-04-17 13:09
this.py	1003 B	-rw-r--r--	2024-04-17 13:09
threading.py	47.88 KB	-rw-r--r--	2024-04-17 13:09
timeit.py	13.03 KB	-rwxr-xr-x	2024-04-17 13:09
token.py	3 KB	-rw-r--r--	2024-04-17 13:09
tokenize.py	28.8 KB	-rw-r--r--	2024-04-17 13:09
trace.py	28.06 KB	-rwxr-xr-x	2024-04-17 13:09
traceback.py	22.91 KB	-rw-r--r--	2024-04-17 13:09
tracemalloc.py	16.27 KB	-rw-r--r--	2024-04-17 13:09
tty.py	879 B	-rw-r--r--	2024-04-17 13:09
types.py	8.66 KB	-rw-r--r--	2024-04-17 13:09
typing.py	78.39 KB	-rw-r--r--	2024-04-17 13:09
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uuid.py	23.41 KB	-rw-r--r--	2024-04-17 13:09
warnings.py	18.05 KB	-rw-r--r--	2024-04-17 13:09
wave.py	17.29 KB	-rw-r--r--	2024-04-17 13:09
weakref.py	19.99 KB	-rw-r--r--	2024-04-17 13:09
webbrowser.py	21.26 KB	-rwxr-xr-x	2024-04-17 13:09
xdrlib.py	5.77 KB	-rw-r--r--	2024-04-17 13:09
zipapp.py	6.99 KB	-rw-r--r--	2024-04-17 13:09
zipfile.py	74.49 KB	-rw-r--r--	2024-04-17 13:09

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, 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(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_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())