from uncompyle6.scanners.tok import Token, NoneToken if PYTHON3: minint = -sys.maxsize - 1 maxint = sys.maxsize else: minint = -sys.maxint - 1 maxint = sys.maxint LINE_LENGTH = 80 # Some parse trees created below are used for comparing code # fragments (like 'return None' at the end of functions). RETURN_LOCALS = AST('return', [ AST('ret_expr', [AST('expr', [Token('LOAD_LOCALS')])]), Token('RETURN_VALUE') ]) NONE = AST('expr', [NoneToken]) RETURN_NONE = AST('stmt', [AST('return', [NONE, Token('RETURN_VALUE')])]) PASS = AST('stmts', [AST('sstmt', [AST('stmt', [AST('pass', [])])])]) ASSIGN_DOC_STRING = lambda doc_string: \ AST('stmt', [ AST('assign', [ AST('expr', [ Token('LOAD_CONST', pattr=doc_string) ]), AST('store', [ Token('STORE_NAME', pattr='__doc__')]) ])])
def customize_for_version(self, is_pypy, version): if is_pypy: ######################## # PyPy changes ####################### TABLE_DIRECT.update({ 'assert_pypy': ('%|assert %c\n', 1), 'assert2_pypy': ('%|assert %c, %c\n', 1, 4), 'try_except_pypy': ('%|try:\n%+%c%-%c\n\n', 1, 2), 'tryfinallystmt_pypy': ('%|try:\n%+%c%-%|finally:\n%+%c%-\n\n', 1, 3), 'assign3_pypy': ('%|%c, %c, %c = %c, %c, %c\n', 5, 4, 3, 0, 1, 2), 'assign2_pypy': ('%|%c, %c = %c, %c\n', 3, 2, 0, 1), }) else: ######################## # Without PyPy ####################### TABLE_DIRECT.update({ 'assert': ('%|assert %c\n', 0), 'assert2': ('%|assert %c, %c\n', 0, 3), 'try_except': ('%|try:\n%+%c%-%c\n\n', 1, 3), 'assign2': ('%|%c, %c = %c, %c\n', 3, 4, 0, 1), 'assign3': ('%|%c, %c, %c = %c, %c, %c\n', 5, 6, 7, 0, 1, 2), }) if version < 3.0: TABLE_R.update({ 'STORE_SLICE+0': ('%c[:]', 0), 'STORE_SLICE+1': ('%c[%p:]', 0, (1, -1)), 'STORE_SLICE+2': ('%c[:%p]', 0, (1, -1)), 'STORE_SLICE+3': ('%c[%p:%p]', 0, (1, -1), (2, -1)), 'DELETE_SLICE+0': ('%|del %c[:]\n', 0), 'DELETE_SLICE+1': ('%|del %c[%c:]\n', 0, 1), 'DELETE_SLICE+2': ('%|del %c[:%c]\n', 0, 1), 'DELETE_SLICE+3': ('%|del %c[%c:%c]\n', 0, 1, 2), }) TABLE_DIRECT.update({ 'raise_stmt2': ('%|raise %c, %c\n', 0, 1), }) # exec as a built-in statement is only in Python 2.x def n_exec_stmt(self, node): """ exec_stmt ::= expr exprlist DUP_TOP EXEC_STMT exec_stmt ::= expr exprlist EXEC_STMT """ self.write(self.indent, 'exec ') self.preorder(node[0]) if not node[1][0].isNone(): sep = ' in ' for subnode in node[1]: self.write(sep) sep = ", " self.preorder(subnode) self.println() self.prune() # stop recursing self.n_exec_smt = n_exec_stmt else: TABLE_DIRECT.update({ # Gotta love Python for its futzing around with syntax like this 'raise_stmt2': ('%|raise %c from %c\n', 0, 1), }) if version >= 3.2: TABLE_DIRECT.update({ 'del_deref_stmt': ('%|del %c\n', 0), 'DELETE_DEREF': ('%{pattr}', 0), }) if version <= 2.4: TABLE_DIRECT.update({ 'importmultiple': ('%|import %c%c\n', 2, 3), 'import_cont': (', %c', 2), 'tryfinallystmt': ('%|try:\n%+%c%-%|finally:\n%+%c%-', (1, 'suite_stmts_opt'), (5, 'suite_stmts_opt')) }) if version == 2.3: TABLE_DIRECT.update({'if1_stmt': ('%|if 1\n%+%c%-', 5)}) global NAME_MODULE NAME_MODULE = AST('stmt', [ AST('assign', [ AST('expr', [ Token('LOAD_GLOBAL', pattr='__name__', offset=0, has_arg=True) ]), AST('store', [ Token('STORE_NAME', pattr='__module__', offset=3, has_arg=True) ]) ]) ]) pass if version <= 2.3: if version <= 2.1: TABLE_DIRECT.update({ 'importmultiple': ('%c', 2), # FIXME: not quite right. We have indiividual imports # when there is in fact one: "import a, b, ..." 'imports_cont': ('%C%,', (1, 100, '\n')), }) pass pass pass elif version >= 2.5: ######################## # Import style for 2.5+ ######################## TABLE_DIRECT.update({ 'importmultiple': ('%|import %c%c\n', 2, 3), 'import_cont': (', %c', 2), # With/as is allowed as "from future" thing in 2.5 # Note: It is safe to put the variables after "as" in parenthesis, # and sometimes it is needed. 'withstmt': ('%|with %c:\n%+%c%-', 0, 3), 'withasstmt': ('%|with %c as (%c):\n%+%c%-', 0, 2, 3), }) # In 2.5+ "except" handlers and the "finally" can appear in one # "try" statement. So the below has the effect of combining the # "tryfinally" with statement with the "try_except" statement def tryfinallystmt(node): if len(node[1][0]) == 1 and node[1][0][0] == 'stmt': if node[1][0][0][0] == 'try_except': node[1][0][0][0].kind = 'tf_try_except' if node[1][0][0][0] == 'tryelsestmt': node[1][0][0][0].kind = 'tf_tryelsestmt' self.default(node) self.n_tryfinallystmt = tryfinallystmt ######################################## # Python 2.6+ # except <condition> as <var> # vs. older: # except <condition> , <var> # # For 2.6 we use the older syntax which # matches how we parse this in bytecode ######################################## if version > 2.6: TABLE_DIRECT.update({ 'except_cond2': ('%|except %c as %c:\n', 1, 5), }) else: TABLE_DIRECT.update({ 'except_cond3': ('%|except %c, %c:\n', 1, 6), 'testtrue_then': ('not %p', (0, 22)), }) if 2.4 <= version <= 2.6: TABLE_DIRECT.update({ 'comp_for': (' for %c in %c', 3, 1), }) else: TABLE_DIRECT.update({ 'comp_for': (' for %c in %c%c', 2, 0, 3), }) if version >= 3.0: TABLE_DIRECT.update({ 'function_def_annotate': ('\n\n%|def %c%c\n', -1, 0), 'store_locals': ('%|# inspect.currentframe().f_locals = __locals__\n', ), }) def n_mkfunc_annotate(node): if self.version >= 3.3 or node[-2] == 'kwargs': # LOAD_CONST code object .. # LOAD_CONST 'x0' if >= 3.3 # EXTENDED_ARG # MAKE_FUNCTION .. code = node[-4] elif node[-3] == 'expr': code = node[-3][0] else: # LOAD_CONST code object .. # MAKE_FUNCTION .. code = node[-3] self.indent_more() for annotate_last in range(len(node) - 1, -1, -1): if node[annotate_last] == 'annotate_tuple': break # FIXME: the real situation is that when derived from # function_def_annotate we the name has been filled in. # But when derived from funcdefdeco it hasn't Would like a better # way to distinquish. if self.f.getvalue()[-4:] == 'def ': self.write(code.attr.co_name) # FIXME: handle and pass full annotate args make_function3_annotate(self, node, is_lambda=False, codeNode=code, annotate_last=annotate_last) if len(self.param_stack) > 1: self.write('\n\n') else: self.write('\n\n\n') self.indent_less() self.prune() # stop recursing self.n_mkfunc_annotate = n_mkfunc_annotate if version >= 3.4: ######################## # Python 3.4+ Additions ####################### TABLE_DIRECT.update({ 'LOAD_CLASSDEREF': ('%{pattr}', ), }) ######################## # Python 3.5+ Additions ####################### if version >= 3.5: TABLE_DIRECT.update({ 'await_expr': ('await %c', 0), 'await_stmt': ('%|%c\n', 0), 'async_for_stmt': ('%|async for %c in %c:\n%+%c%-\n\n', 9, 1, 25), 'async_forelse_stmt': ('%|async for %c in %c:\n%+%c%-%|else:\n%+%c%-\n\n', 9, 1, 25, 28), 'async_with_stmt': ('%|async with %c:\n%+%c%-', 0, 7), 'async_with_as_stmt': ('%|async with %c as %c:\n%+%c%-', 0, 6, 7), 'unmap_dict': ('{**%C}', (0, -1, ', **')), # 'unmapexpr': ( '{**%c}', 0), # done by n_unmapexpr }) def async_call(node): self.f.write('async ') node.kind == 'call' p = self.prec self.prec = 80 self.template_engine(('%c(%P)', 0, (1, -4, ', ', 100)), node) self.prec = p node.kind == 'async_call' self.prune() self.n_async_call = async_call self.n_build_list_unpack = self.n_list if version == 3.5: def n_call(node): mapping = self._get_mapping(node) table = mapping[0] key = node for i in mapping[1:]: key = key[i] pass if key.kind.startswith('CALL_FUNCTION_VAR_KW'): # Python 3.5 changes the stack position of *args. kwargs come # after *args whereas in earlier Pythons, *args is at the end # which simplifies things from our perspective. # Python 3.6+ replaces CALL_FUNCTION_VAR_KW with CALL_FUNCTION_EX # We will just swap the order to make it look like earlier Python 3. entry = table[key.kind] kwarg_pos = entry[2][1] args_pos = kwarg_pos - 1 # Put last node[args_pos] after subsequent kwargs while node[ kwarg_pos] == 'kwarg' and kwarg_pos < len( node): # swap node[args_pos] with node[kwargs_pos] node[kwarg_pos], node[args_pos] = node[ args_pos], node[kwarg_pos] args_pos = kwarg_pos kwarg_pos += 1 elif key.kind.startswith('CALL_FUNCTION_VAR'): nargs = node[-1].attr & 0xFF if nargs > 0: template = ('%c(%C, ', 0, (1, nargs + 1, ', ')) else: template = ('%c(', 0) self.template_engine(template, node) args_node = node[-2] if args_node == 'pos_arg': args_node = args_node[0] if args_node == 'expr': args_node = args_node[0] if args_node == 'build_list_unpack': template = ('*%P)', (0, len(args_node) - 1, ', *', 100)) self.template_engine(template, args_node) else: template = ('*%c)', -2) self.template_engine(template, node) self.prune() self.default(node) self.n_call = n_call def n_function_def(node): if self.version == 3.6: code_node = node[0][0] else: code_node = node[0][1] is_code = hasattr(code_node, 'attr') and iscode( code_node.attr) if (is_code and (code_node.attr.co_flags & COMPILER_FLAG_BIT['COROUTINE'])): self.template_engine(('\n\n%|async def %c\n', -2), node) else: self.template_engine(('\n\n%|def %c\n', -2), node) self.prune() self.n_function_def = n_function_def def unmapexpr(node): last_n = node[0][-1] for n in node[0]: self.preorder(n) if n != last_n: self.f.write(', **') pass pass self.prune() pass self.n_unmapexpr = unmapexpr if version >= 3.6: ######################## # Python 3.6+ Additions ####################### # Value 100 is important; it is exactly # module/function precidence. PRECEDENCE['call_kw'] = 100 TABLE_DIRECT.update({ 'tryfinally36': ('%|try:\n%+%c%-%|finally:\n%+%c%-\n\n', (1, 'returns'), 3), 'fstring_expr': ("{%c%{conversion}}", 0), # FIXME: the below assumes the format strings # don't have ''' in them. Fix this properly 'fstring_single': ("f'''{%c%{conversion}}'''", 0), 'fstring_multi': ("f'''%c'''", 0), 'func_args36': ("%c(**", 0), 'try_except36': ('%|try:\n%+%c%-%c\n\n', 1, 2), 'unpack_list': ('*%c', (0, 'list')), 'call_ex': ('%c(%c)', (0, 'expr'), 1), 'call_ex_kw': ('%c(%c)', (0, 'expr'), 2), }) TABLE_R.update({ 'CALL_FUNCTION_EX': ('%c(*%P)', 0, (1, 2, ', ', 100)), # Not quite right 'CALL_FUNCTION_EX_KW': ('%c(**%C)', 0, (2, 3, ',')), }) def build_unpack_tuple_with_call(node): if node[0] == 'expr': tup = node[0][0] else: tup = node[0] pass assert tup == 'tuple' self.call36_tuple(tup) buwc = node[-1] assert buwc.kind.startswith('BUILD_TUPLE_UNPACK_WITH_CALL') for n in node[1:-1]: self.f.write(', *') self.preorder(n) pass self.prune() return self.n_build_tuple_unpack_with_call = build_unpack_tuple_with_call def build_unpack_map_with_call(node): n = node[0] if n == 'expr': n = n[0] if n == 'dict': self.call36_dict(n) first = 1 sep = ', **' else: first = 0 sep = '**' for n in node[first:-1]: self.f.write(sep) self.preorder(n) sep = ', **' pass self.prune() return self.n_build_map_unpack_with_call = build_unpack_map_with_call def call_ex_kw2(node): """Handle CALL_FUNCTION_EX 2 (have KW) but with BUILD_{MAP,TUPLE}_UNPACK_WITH_CALL""" # This is weird shit. Thanks Python! self.preorder(node[0]) self.write('(') assert node[1] == 'build_tuple_unpack_with_call' btuwc = node[1] tup = btuwc[0] if tup == 'expr': tup = tup[0] assert tup == 'tuple' self.call36_tuple(tup) assert node[2] == 'build_map_unpack_with_call' self.write(', ') d = node[2][0] if d == 'expr': d = d[0] assert d == 'dict' self.call36_dict(d) args = btuwc[1] self.write(', *') self.preorder(args) self.write(', **') star_star_args = node[2][1] if star_star_args == 'expr': star_star_args = star_star_args[0] self.preorder(star_star_args) self.write(')') self.prune() self.n_call_ex_kw2 = call_ex_kw2 def call_ex_kw3(node): """Handle CALL_FUNCTION_EX 1 (have KW) but without BUILD_MAP_UNPACK_WITH_CALL""" self.preorder(node[0]) self.write('(') args = node[1][0] if args == 'expr': args = args[0] if args == 'tuple': if self.call36_tuple(args) > 0: self.write(', ') pass pass self.write('*') self.preorder(node[1][1]) self.write(', ') kwargs = node[2] if kwargs == 'expr': kwargs = kwargs[0] self.write('**') self.preorder(kwargs) self.write(')') self.prune() self.n_call_ex_kw3 = call_ex_kw3 def call_ex_kw4(node): """Handle CALL_FUNCTION_EX 2 (have KW) but without BUILD_{MAP,TUPLE}_UNPACK_WITH_CALL""" self.preorder(node[0]) self.write('(') args = node[1][0] if args == 'tuple': if self.call36_tuple(args) > 0: self.write(', ') pass pass else: self.write('*') self.preorder(args) self.write(', ') pass kwargs = node[2] if kwargs == 'expr': kwargs = kwargs[0] self.write('**') self.preorder(kwargs) self.write(')') self.prune() self.n_call_ex_kw4 = call_ex_kw4 def call36_tuple(node): """ A tuple used in a call, these are like normal tuples but they don't have the enclosing parenthesis. """ assert node == 'tuple' # Note: don't iterate over last element which is a # BUILD_TUPLE... flat_elems = flatten_list(node[:-1]) self.indent_more(INDENT_PER_LEVEL) sep = '' for elem in flat_elems: if elem in ('ROT_THREE', 'EXTENDED_ARG'): continue assert elem == 'expr' line_number = self.line_number value = self.traverse(elem) if line_number != self.line_number: sep += '\n' + self.indent + INDENT_PER_LEVEL[:-1] self.write(sep, value) sep = ', ' self.indent_less(INDENT_PER_LEVEL) return len(flat_elems) self.call36_tuple = call36_tuple def call36_dict(node): """ A dict used in a call_ex_kw2, which are a dictionary items expressed in a call. This should format to: a=1, b=2 In other words, no braces, no quotes around keys and ":" becomes "=". We will source-code use line breaks to guide us when to break. """ p = self.prec self.prec = 100 self.indent_more(INDENT_PER_LEVEL) sep = INDENT_PER_LEVEL[:-1] line_number = self.line_number if node[0].kind.startswith('kvlist'): # Python 3.5+ style key/value list in dict kv_node = node[0] l = list(kv_node) i = 0 length = len(l) # FIXME: Parser-speed improved grammars will have BUILD_MAP # at the end. So in the future when everything is # complete, we can do an "assert" instead of "if". if kv_node[-1].kind.startswith("BUILD_MAP"): length -= 1 # Respect line breaks from source while i < length: self.write(sep) name = self.traverse(l[i], indent='') # Strip off beginning and trailing quotes in name name = name[1:-1] if i > 0: line_number = self.indent_if_source_nl( line_number, self.indent + INDENT_PER_LEVEL[:-1]) line_number = self.line_number self.write(name, '=') value = self.traverse(l[i + 1], indent=self.indent + (len(name) + 2) * ' ') self.write(value) sep = ", " if line_number != self.line_number: sep += "\n" + self.indent + INDENT_PER_LEVEL[: -1] line_number = self.line_number i += 2 pass elif node[-1].kind.startswith('BUILD_CONST_KEY_MAP'): keys_node = node[-2] keys = keys_node.attr # from trepan.api import debug; debug() assert keys_node == 'LOAD_CONST' and isinstance( keys, tuple) for i in range(node[-1].attr): self.write(sep) self.write(keys[i], '=') value = self.traverse(node[i], indent='') self.write(value) sep = ", " if line_number != self.line_number: sep += "\n" + self.indent + INDENT_PER_LEVEL[: -1] line_number = self.line_number pass pass else: assert False, "Don't known to to untangle dictionary" self.prec = p self.indent_less(INDENT_PER_LEVEL) return self.call36_dict = call36_dict FSTRING_CONVERSION_MAP = {1: '!s', 2: '!r', 3: '!a'} def n_except_suite_finalize(node): if node[1] == 'returns' and self.hide_internal: # Process node[1] only. # The code after "returns", e.g. node[3], is dead code. # Adding it is wrong as it dedents and another # exception handler "except_stmt" afterwards. # Note it is also possible that the grammar is wrong here. # and this should not be "except_stmt". self.indent_more() self.preorder(node[1]) self.indent_less() else: self.default(node) self.prune() self.n_except_suite_finalize = n_except_suite_finalize def n_formatted_value(node): if node[0] == 'LOAD_CONST': self.write(node[0].attr) self.prune() else: self.default(node) self.n_formatted_value = n_formatted_value def f_conversion(node): node.conversion = FSTRING_CONVERSION_MAP.get( node.data[1].attr, '') def fstring_expr(node): f_conversion(node) self.default(node) self.n_fstring_expr = fstring_expr def fstring_single(node): f_conversion(node) self.default(node) self.n_fstring_single = fstring_single # def kwargs_only_36(node): # keys = node[-1].attr # num_kwargs = len(keys) # values = node[:num_kwargs] # for i, (key, value) in enumerate(zip(keys, values)): # self.write(key + '=') # self.preorder(value) # if i < num_kwargs: # self.write(',') # self.prune() # return # self.n_kwargs_only_36 = kwargs_only_36 def kwargs_36(node): self.write('(') keys = node[-1].attr num_kwargs = len(keys) num_posargs = len(node) - (num_kwargs + 1) n = len(node) assert n >= len(keys)+1, \ 'not enough parameters keyword-tuple values' # try: # assert n >= len(keys)+1, \ # 'not enough parameters keyword-tuple values' # except: # from trepan.api import debug; debug() sep = '' # FIXME: adjust output for line breaks? for i in range(num_posargs): self.write(sep) self.preorder(node[i]) sep = ', ' i = num_posargs j = 0 # FIXME: adjust output for line breaks? while i < n - 1: self.write(sep) self.write(keys[j] + '=') self.preorder(node[i]) sep = ', ' i += 1 j += 1 self.write(')') self.prune() return self.n_kwargs_36 = kwargs_36 def starred(node): l = len(node) assert l > 0 pos_args = node[0] if pos_args == 'expr': pos_args = pos_args[0] if pos_args == 'tuple': star_start = 1 template = '%C', (0, -1, ', ') self.template_engine(template, pos_args) self.write(', ') else: star_start = 0 if l > 1: template = ('*%C', (star_start, -1, ', *')) else: template = ('*%c', (star_start, 'expr')) self.template_engine(template, node) self.prune() self.n_starred = starred def return_closure(node): # Nothing should be output here self.prune() return self.n_return_closure = return_closure pass # version >= 3.6 pass # version >= 3.4 pass # version >= 3.0 return
def customize_for_version(self, is_pypy, version): if is_pypy: ######################## # PyPy changes ####################### TABLE_DIRECT.update({ 'assert_pypy': ('%|assert %c\n', 1), 'assert2_pypy': ('%|assert %c, %c\n', 1, 4), 'try_except_pypy': ('%|try:\n%+%c%-%c\n\n', 1, 2), 'tryfinallystmt_pypy': ('%|try:\n%+%c%-%|finally:\n%+%c%-\n\n', 1, 3), 'assign3_pypy': ('%|%c, %c, %c = %c, %c, %c\n', 5, 4, 3, 0, 1, 2), 'assign2_pypy': ('%|%c, %c = %c, %c\n', 3, 2, 0, 1), }) else: ######################## # Without PyPy ####################### TABLE_DIRECT.update({ 'assert': ('%|assert %c\n', 0), 'assert2': ('%|assert %c, %c\n', 0, 3), 'try_except': ('%|try:\n%+%c%-%c\n\n', 1, 3), 'assign2': ('%|%c, %c = %c, %c\n', 3, 4, 0, 1), 'assign3': ('%|%c, %c, %c = %c, %c, %c\n', 5, 6, 7, 0, 1, 2), }) if version < 3.0: TABLE_R.update({ 'STORE_SLICE+0': ('%c[:]', 0), 'STORE_SLICE+1': ('%c[%p:]', 0, (1, -1)), 'STORE_SLICE+2': ('%c[:%p]', 0, (1, -1)), 'STORE_SLICE+3': ('%c[%p:%p]', 0, (1, -1), (2, -1)), 'DELETE_SLICE+0': ('%|del %c[:]\n', 0), 'DELETE_SLICE+1': ('%|del %c[%c:]\n', 0, 1), 'DELETE_SLICE+2': ('%|del %c[:%c]\n', 0, 1), 'DELETE_SLICE+3': ('%|del %c[%c:%c]\n', 0, 1, 2), }) TABLE_DIRECT.update({ 'raise_stmt2': ('%|raise %c, %c\n', 0, 1), }) # exec as a built-in statement is only in Python 2.x def n_exec_stmt(self, node): """ exec_stmt ::= expr exprlist DUP_TOP EXEC_STMT exec_stmt ::= expr exprlist EXEC_STMT """ self.write(self.indent, 'exec ') self.preorder(node[0]) if not node[1][0].isNone(): sep = ' in ' for subnode in node[1]: self.write(sep) sep = ", " self.preorder(subnode) self.println() self.prune() # stop recursing self.n_exec_smt = n_exec_stmt else: TABLE_DIRECT.update({ # Gotta love Python for its futzing around with syntax like this 'raise_stmt2': ('%|raise %c from %c\n', 0, 1), }) if version >= 3.2: TABLE_DIRECT.update({ 'del_deref_stmt': ('%|del %c\n', 0), 'DELETE_DEREF': ('%{pattr}', 0), }) if version <= 2.4: TABLE_DIRECT.update({ 'importmultiple': ('%|import %c%c\n', 2, 3), 'import_cont': (', %c', 2), 'tryfinallystmt': ('%|try:\n%+%c%-%|finally:\n%+%c%-', (1, 'suite_stmts_opt'), (5, 'suite_stmts_opt')) }) if version == 2.3: TABLE_DIRECT.update({'if1_stmt': ('%|if 1\n%+%c%-', 5)}) global NAME_MODULE NAME_MODULE = AST('stmt', [ AST('assign', [ AST('expr', [ Token('LOAD_GLOBAL', pattr='__name__', offset=0, has_arg=True) ]), AST('store', [ Token('STORE_NAME', pattr='__module__', offset=3, has_arg=True) ]) ]) ]) pass if version <= 2.3: if version <= 2.1: TABLE_DIRECT.update({ 'importmultiple': ('%c', 2), # FIXME: not quite right. We have indiividual imports # when there is in fact one: "import a, b, ..." 'imports_cont': ('%C%,', (1, 100, '\n')), }) pass pass pass elif version >= 2.5: ######################## # Import style for 2.5+ ######################## TABLE_DIRECT.update({ 'importmultiple': ('%|import %c%c\n', 2, 3), 'import_cont': (', %c', 2), # With/as is allowed as "from future" thing in 2.5 # Note: It is safe to put the variables after "as" in parenthesis, # and sometimes it is needed. 'withstmt': ('%|with %c:\n%+%c%-', 0, 3), 'withasstmt': ('%|with %c as (%c):\n%+%c%-', 0, 2, 3), }) # In 2.5+ "except" handlers and the "finally" can appear in one # "try" statement. So the below has the effect of combining the # "tryfinally" with statement with the "try_except" statement def tryfinallystmt(node): if len(node[1][0]) == 1 and node[1][0][0] == 'stmt': if node[1][0][0][0] == 'try_except': node[1][0][0][0].kind = 'tf_try_except' if node[1][0][0][0] == 'tryelsestmt': node[1][0][0][0].kind = 'tf_tryelsestmt' self.default(node) self.n_tryfinallystmt = tryfinallystmt ######################################## # Python 2.6+ # except <condition> as <var> # vs. older: # except <condition> , <var> # # For 2.6 we use the older syntax which # matches how we parse this in bytecode ######################################## if version > 2.6: TABLE_DIRECT.update({ 'except_cond2': ('%|except %c as %c:\n', 1, 5), }) else: TABLE_DIRECT.update({ 'except_cond3': ('%|except %c, %c:\n', 1, 6), 'testtrue_then': ('not %p', (0, 22)), }) if 2.4 <= version <= 2.6: TABLE_DIRECT.update({ 'comp_for': (' for %c in %c', 3, 1), }) else: TABLE_DIRECT.update({ 'comp_for': (' for %c in %c%c', 2, 0, 3), }) if version >= 3.0: from uncompyle6.semantics.customize3 import customize_for_version3 customize_for_version3(self, version) return