builtin module support partially added

This commit is contained in:
David Halter
2012-03-29 02:06:44 +02:00
parent 21187d81bb
commit 94e23958bb
5 changed files with 91 additions and 44 deletions

View File

@@ -1,7 +1,12 @@
import inspect
def dbg(*args): def dbg(*args):
if debug_function: if debug_function:
debug_function(*args) frm = inspect.stack()[1]
mod = inspect.getmodule(frm[0])
if not (mod.__name__ in ignored_modules):
debug_function(*args)
debug_function = None debug_function = None
ignored_modules = []

View File

@@ -1,6 +1,8 @@
import parsing
import itertools import itertools
import parsing
import modules import modules
import debug
class Exec(object): class Exec(object):
@@ -129,6 +131,22 @@ def get_scopes_for_name(scope, name, search_global=False, search_func=None):
res_new.append(r) res_new.append(r)
return res_new return res_new
def filter_name(scopes):
# the name is already given in the parent function
result = []
for scope in scopes:
if isinstance(scope, parsing.Import):
try:
i = follow_import(scope).get_defined_names()
except modules.ModuleNotFound:
debug.dbg('StarImport not found: ' + str(scope))
else:
result += filter_name(i)
else:
if [name] == list(scope.names):
result.append(scope.parent)
return result
if search_func: if search_func:
names = search_func() names = search_func()
elif search_global: elif search_global:
@@ -136,8 +154,9 @@ def get_scopes_for_name(scope, name, search_global=False, search_func=None):
else: else:
names = scope.get_set_vars() names = scope.get_set_vars()
result = [c.parent for c in names if [name] == list(c.names)] # TODO here are the star imports handled, we need to get the names here.
return remove_statements(result) # This means things like from pylab import *
return remove_statements(filter_name(names))
def follow_statement(stmt, scope=None): def follow_statement(stmt, scope=None):
@@ -233,13 +252,13 @@ def follow_path(path, input):
for s in stmts: for s in stmts:
result += add_result(current, s) result += add_result(current, s)
#except AttributeError: #except AttributeError:
# dbg('cannot execute:', input) # debug.dbg('cannot execute:', input)
elif isinstance(input, parsing.Import): elif isinstance(input, parsing.Import):
print 'dini mueter, steile griech!' print 'dini mueter, steile griech!'
try: try:
modules.follow_module(input) result.append(follow_import(input))
except modules.ModuleNotFound: except modules.ModuleNotFound:
dbg('Module not found: ' + str(input)) debug.dbg('Module not found: ' + str(input))
else: else:
# TODO check default class methods and return them also # TODO check default class methods and return them also
result = get_scopes_for_name(input, current) result = get_scopes_for_name(input, current)
@@ -251,9 +270,23 @@ def follow_path(path, input):
return follow_paths(path, add_result(cur, input)) return follow_paths(path, add_result(cur, input))
def dbg(*args): def follow_import(_import):
if debug_function: """
debug_function(*args) follows a module name and returns the parser.
:param _import: The import statement.
:type _import: parsing.Import
"""
# set path together
ns_list = []
if _import.from_ns:
ns_list += _import.from_ns.names
if _import.namespace:
ns_list += _import.namespace.names
scope, rest = modules.find_module(ns_list)
if rest:
scope = follow_path(rest.__iter__(), scope)
debug.dbg('after import', scope, rest)
return scope
debug_function = None

View File

@@ -16,12 +16,11 @@ class ModuleNotFound(Exception):
class File(object): class File(object):
""" """
Manages all files, that are parsed and caches them. Manages all files, that are parsed and caches them.
If the source is not given, it is loaded by load_module.
:param source: The source code of the file. :param source: The source code of the file.
:param module_name: The module name of the file. :param module_name: The module name of the file.
""" """
def __init__(self, module_name, source=None): def __init__(self, module_name, source):
self.source = source self.source = source
self.module_name = module_name self.module_name = module_name
self._line_cache = None self._line_cache = None
@@ -37,13 +36,6 @@ class File(object):
return self.load_module() return self.load_module()
def load_module(self): def load_module(self):
if not self.source:
if i[0]: # is the file pointer
self.source = open(i[0]).read()
print self.source, 'yesssa'
else:
self.source = ''
print 'shizzel'
self._parser = parsing.PyFuzzyParser(self.source) self._parser = parsing.PyFuzzyParser(self.source)
return self._parser return self._parser
@@ -56,45 +48,62 @@ class File(object):
else: else:
return None return None
class BuiltinModule:
def __init__(self, name):
self.name = name
self.content = {}
exec 'import %s as module' % name in self.content
self.module = self.content['module']
def follow_module(_import): @property
def docstr(self):
# TODO get the help string, not just the docstr
return self.module.__doc__
def get_defined_names(self):
return dir(self.module)
def find_module(point_path):
""" """
follows a module name and returns the parser. Find a module with a path (of the module, like usb.backend.libusb10).
:param name: A name from the parser.
:type name: parsing.Name :param point_path: A name from the parser.
:return: The rest of the path, and the module top scope.
""" """
def follow_str(ns, string): def follow_str(ns, string):
print ns, string debug.dbg('follow_module', ns, string)
if ns: if ns:
path = ns[1] path = ns[1]
else: else:
# TODO modules can be system modules, without '.' in path
path = module_find_path path = module_find_path
debug.dbg('search_module', string, path) debug.dbg('search_module', string, path)
i = imp.find_module(string, path) try:
i = imp.find_module(string, path)
except ImportError:
# find builtins (ommit path):
i = imp.find_module(string)
if i[0]:
# if the import has a file descriptor, it cannot be a builtin.
raise
return i return i
# set path together
ns_list = []
if _import.from_ns:
ns_list += _import.from_ns.names
if _import.namespace:
ns_list += _import.namespace.names
# now execute those paths # now execute those paths
current_namespace = None current_namespace = None
rest = None rest = []
for i, s in enumerate(ns_list): for i, s in enumerate(point_path):
try: try:
current_namespace = follow_str(current_namespace, s) current_namespace = follow_str(current_namespace, s)
except ImportError: except ImportError:
if current_namespace: if current_namespace:
rest = ns_list[i:] rest = point_path[i:]
else: else:
raise ModuleNotFound( raise ModuleNotFound(
'The module you searched has not been found') 'The module you searched has not been found')
print 'yay', current_namespace if current_namespace[0]:
f = File(current_namespace[2], current_namespace[0].read()) f = File(current_namespace[2], current_namespace[0].read())
out = f.parser.top.get_names() scope = f.parser.top
print out else:
return parser scope = BuiltinModule(current_namespace[1])
return scope, rest

View File

@@ -814,7 +814,7 @@ class PyFuzzyParser(object):
token_type, tok, indent = self.next() token_type, tok, indent = self.next()
start_line = self.line_nr start_line = self.line_nr
if token_type != tokenize.NAME and tok != '*': if token_type != tokenize.NAME and tok != '*':
return ([], tok) return ([], token_type, tok, indent, start_line)
else: else:
token_type, tok, indent = pre_used_token token_type, tok, indent = pre_used_token
start_line = self.line_nr start_line = self.line_nr
@@ -1100,7 +1100,7 @@ class PyFuzzyParser(object):
self.gen = tokenize.generate_tokens(buf.readline) self.gen = tokenize.generate_tokens(buf.readline)
self.currentscope = self.scope self.currentscope = self.scope
extended_flow = ['else', 'except', 'finally'] extended_flow = ['else', 'elif', 'except', 'finally']
statement_toks = ['{', '[', '(', '`'] statement_toks = ['{', '[', '(', '`']
decorators = [] decorators = []

View File

@@ -130,7 +130,7 @@ import time
class c1(): class c1():
c2,c5 = c1(), c1().c3() c2,c5 = c1(), c1().c3()
def c3(self): def c3(self):
from os import F_OK as c4 from parsing import Scope as c4
c5 = c4 c5 = c4
c5 = 1 c5 = 1
return c5+1+'asdf' return c5+1+'asdf'