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Remove fakes, RIP

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Dave Halter
2018-09-17 02:24:49 +02:00
parent 93d50e0f0c
commit eb9a852443
14 changed files with 7 additions and 575 deletions
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1
jedi/evaluate/compiled/access.py
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@@ -364,7 +364,6 @@ class DirectObjectAccess(object):
yield builtins yield builtins
else: else:
try: try:
# TODO use sys.modules, __module__ can be faked.
yield sys.modules[imp_plz] yield sys.modules[imp_plz]
except KeyError: except KeyError:
# __module__ can be something arbitrary that doesn't exist. # __module__ can be something arbitrary that doesn't exist.

31
jedi/evaluate/compiled/context.py
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@@ -14,7 +14,6 @@ from jedi.evaluate.lazy_context import LazyKnownContext
from jedi.evaluate.compiled.access import _sentinel from jedi.evaluate.compiled.access import _sentinel
from jedi.evaluate.cache import evaluator_function_cache from jedi.evaluate.cache import evaluator_function_cache
from jedi.evaluate.helpers import reraise_getitem_errors, execute_evaluated from jedi.evaluate.helpers import reraise_getitem_errors, execute_evaluated
from . import fake
class CheckAttribute(object): class CheckAttribute(object):
@@ -47,11 +46,9 @@ class CheckAttribute(object):
class CompiledObject(Context): class CompiledObject(Context):
def __init__(self, evaluator, access_handle, parent_context=None, faked_class=None): def __init__(self, evaluator, access_handle, parent_context=None):
super(CompiledObject, self).__init__(evaluator, parent_context) super(CompiledObject, self).__init__(evaluator, parent_context)
self.access_handle = access_handle self.access_handle = access_handle
# This attribute will not be set for most classes, except for fakes.
self.tree_node = faked_class
@CheckAttribute() @CheckAttribute()
def py__call__(self, arguments): def py__call__(self, arguments):
@@ -448,44 +445,30 @@ def _parse_function_doc(doc):
def create_from_name(evaluator, compiled_object, name): def create_from_name(evaluator, compiled_object, name):
faked = None
try:
faked = fake.get_faked_with_parent_context(compiled_object, name)
except fake.FakeDoesNotExist:
pass
access = compiled_object.access_handle.getattr(name, default=None) access = compiled_object.access_handle.getattr(name, default=None)
parent_context = compiled_object parent_context = compiled_object
if parent_context.is_class(): if parent_context.is_class():
parent_context = parent_context.parent_context parent_context = parent_context.parent_context
return create_cached_compiled_object( return create_cached_compiled_object(
evaluator, access, parent_context=parent_context, faked=faked evaluator, access, parent_context=parent_context
) )
def _normalize_create_args(func): def _normalize_create_args(func):
"""The cache doesn't care about keyword vs. normal args.""" """The cache doesn't care about keyword vs. normal args."""
def wrapper(evaluator, obj, parent_context=None, faked=None): def wrapper(evaluator, obj, parent_context=None):
return func(evaluator, obj, parent_context, faked) return func(evaluator, obj, parent_context)
return wrapper return wrapper
def create_from_access_path(evaluator, access_path): def create_from_access_path(evaluator, access_path):
parent_context = None parent_context = None
for name, access in access_path.accesses: for name, access in access_path.accesses:
try: parent_context = create_cached_compiled_object(evaluator, access, parent_context)
if parent_context is None:
faked = fake.get_faked_module(evaluator, access_path.accesses[0][0])
else:
faked = fake.get_faked_with_parent_context(parent_context, name)
except fake.FakeDoesNotExist:
faked = None
parent_context = create_cached_compiled_object(evaluator, access, parent_context, faked)
return parent_context return parent_context
@_normalize_create_args @_normalize_create_args
@evaluator_function_cache() @evaluator_function_cache()
def create_cached_compiled_object(evaluator, access_handle, parent_context, faked): def create_cached_compiled_object(evaluator, access_handle, parent_context):
return CompiledObject(evaluator, access_handle, parent_context, faked) return CompiledObject(evaluator, access_handle, parent_context)

82
jedi/evaluate/compiled/fake.py
View File

@@ -1,82 +0,0 @@
"""
Loads functions that are mixed in to the standard library. E.g. builtins are
written in C (binaries), but my autocompletion only understands Python code. By
mixing in Python code, the autocompletion should work much better for builtins.
"""
import os
from itertools import chain
from jedi._compatibility import unicode
fake_modules = {}
def _get_path_dict():
path = os.path.dirname(os.path.abspath(__file__))
base_path = os.path.join(path, 'fake')
dct = {}
for file_name in os.listdir(base_path):
if file_name.endswith('.pym'):
dct[file_name[:-4]] = os.path.join(base_path, file_name)
return dct
_path_dict = _get_path_dict()
class FakeDoesNotExist(Exception):
pass
def _load_faked_module(evaluator, module_name):
try:
return fake_modules[module_name]
except KeyError:
pass
check_module_name = module_name
if module_name == '__builtin__' and evaluator.environment.version_info.major == 2:
check_module_name = 'builtins'
try:
path = _path_dict[check_module_name]
except KeyError:
fake_modules[module_name] = None
return
with open(path) as f:
source = f.read()
fake_modules[module_name] = m = evaluator.latest_grammar.parse(unicode(source))
if check_module_name != module_name:
# There are two implementations of `open` for either python 2/3.
# -> Rename the python2 version (`look at fake/builtins.pym`).
open_func = _search_scope(m, 'open')
open_func.children[1].value = 'open_python3'
open_func = _search_scope(m, 'open_python2')
open_func.children[1].value = 'open'
return m
def _search_scope(scope, obj_name):
for s in chain(scope.iter_classdefs(), scope.iter_funcdefs()):
if s.name.value == obj_name:
return s
def get_faked_with_parent_context(parent_context, name):
if parent_context.tree_node is not None:
# Try to search in already clearly defined stuff.
found = _search_scope(parent_context.tree_node, name)
if found is not None:
return found
raise FakeDoesNotExist
def get_faked_module(evaluator, string_name):
module = _load_faked_module(evaluator, string_name)
if module is None:
raise FakeDoesNotExist
return module

9
jedi/evaluate/compiled/fake/_functools.pym
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@@ -1,9 +0,0 @@
class partial():
def __init__(self, func, *args, **keywords):
self.__func = func
self.__args = args
self.__keywords = keywords
def __call__(self, *args, **kwargs):
# TODO should be **dict(self.__keywords, **kwargs)
return self.__func(*(self.__args + args), **self.__keywords)

26
jedi/evaluate/compiled/fake/_sqlite3.pym
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@@ -1,26 +0,0 @@
def connect(database, timeout=None, isolation_level=None, detect_types=None, factory=None):
return Connection()
class Connection():
def cursor(self):
return Cursor()
class Cursor():
def cursor(self):
return Cursor()
def fetchone(self):
return Row()
def fetchmany(self, size=cursor.arraysize):
return [self.fetchone()]
def fetchall(self):
return [self.fetchone()]
class Row():
def keys(self):
return ['']

99
jedi/evaluate/compiled/fake/_sre.pym
View File

@@ -1,99 +0,0 @@
def compile():
class SRE_Match():
endpos = int()
lastgroup = int()
lastindex = int()
pos = int()
string = str()
regs = ((int(), int()),)
def __init__(self, pattern):
self.re = pattern
def start(self):
return int()
def end(self):
return int()
def span(self):
return int(), int()
def expand(self):
return str()
def group(self, nr):
return str()
def groupdict(self):
return {str(): str()}
def groups(self):
return (str(),)
class SRE_Pattern():
flags = int()
groupindex = {}
groups = int()
pattern = str()
def findall(self, string, pos=None, endpos=None):
"""
findall(string[, pos[, endpos]]) --> list.
Return a list of all non-overlapping matches of pattern in string.
"""
return [str()]
def finditer(self, string, pos=None, endpos=None):
"""
finditer(string[, pos[, endpos]]) --> iterator.
Return an iterator over all non-overlapping matches for the
RE pattern in string. For each match, the iterator returns a
match object.
"""
yield SRE_Match(self)
def match(self, string, pos=None, endpos=None):
"""
match(string[, pos[, endpos]]) --> match object or None.
Matches zero or more characters at the beginning of the string
pattern
"""
return SRE_Match(self)
def scanner(self, string, pos=None, endpos=None):
pass
def search(self, string, pos=None, endpos=None):
"""
search(string[, pos[, endpos]]) --> match object or None.
Scan through string looking for a match, and return a corresponding
MatchObject instance. Return None if no position in the string matches.
"""
return SRE_Match(self)
def split(self, string, maxsplit=0]):
"""
split(string[, maxsplit = 0]) --> list.
Split string by the occurrences of pattern.
"""
return [str()]
def sub(self, repl, string, count=0):
"""
sub(repl, string[, count = 0]) --> newstring
Return the string obtained by replacing the leftmost non-overlapping
occurrences of pattern in string by the replacement repl.
"""
return str()
def subn(self, repl, string, count=0):
"""
subn(repl, string[, count = 0]) --> (newstring, number of subs)
Return the tuple (new_string, number_of_subs_made) found by replacing
the leftmost non-overlapping occurrences of pattern with the
replacement repl.
"""
return (str(), int())
return SRE_Pattern()

9
jedi/evaluate/compiled/fake/_weakref.pym
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@@ -1,9 +0,0 @@
def proxy(object, callback=None):
return object
class ref():
def __init__(self, object, callback=None):
self.__object = object
def __call__(self):
return self.__object

262
jedi/evaluate/compiled/fake/builtins.pym
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@@ -1,262 +0,0 @@
"""
Pure Python implementation of some builtins.
This code is not going to be executed anywhere.
These implementations are not always correct, but should work as good as
possible for the auto completion.
"""
def next(iterator, default=None):
if random.choice([0, 1]):
if hasattr("next"):
return iterator.next()
else:
return iterator.__next__()
else:
if default is not None:
return default
def iter(collection, sentinel=None):
if sentinel:
yield collection()
else:
for c in collection:
yield c
def range(start, stop=None, step=1):
return [0]
class file():
def __iter__(self):
yield ''
def next(self):
return ''
def readlines(self):
return ['']
def __enter__(self):
return self
class xrange():
# Attention: this function doesn't exist in Py3k (there it is range).
def __iter__(self):
yield 1
def count(self):
return 1
def index(self):
return 1
def open(file, mode='r', buffering=-1, encoding=None, errors=None, newline=None, closefd=True):
import io
return io.TextIOWrapper(file, mode, buffering, encoding, errors, newline, closefd)
def open_python2(name, mode=None, buffering=None):
return file(name, mode, buffering)
#--------------------------------------------------------
# descriptors
#--------------------------------------------------------
class property():
def __init__(self, fget, fset=None, fdel=None, doc=None):
self.fget = fget
self.fset = fset
self.fdel = fdel
self.__doc__ = doc
def __get__(self, obj, cls):
return self.fget(obj)
def __set__(self, obj, value):
self.fset(obj, value)
def __delete__(self, obj):
self.fdel(obj)
def setter(self, func):
self.fset = func
return self
def getter(self, func):
self.fget = func
return self
def deleter(self, func):
self.fdel = func
return self
class staticmethod():
def __init__(self, func):
self.__func = func
def __get__(self, obj, cls):
return self.__func
class classmethod():
def __init__(self, func):
self.__func = func
def __get__(self, obj, cls):
def _method(*args, **kwargs):
return self.__func(cls, *args, **kwargs)
return _method
#--------------------------------------------------------
# array stuff
#--------------------------------------------------------
class list():
def __init__(self, iterable=[]):
self.__iterable = []
for i in iterable:
self.__iterable += [i]
def __iter__(self):
for i in self.__iterable:
yield i
def __getitem__(self, y):
return self.__iterable[y]
def pop(self):
return self.__iterable[int()]
class tuple():
def __init__(self, iterable=[]):
self.__iterable = []
for i in iterable:
self.__iterable += [i]
def __iter__(self):
for i in self.__iterable:
yield i
def __getitem__(self, y):
return self.__iterable[y]
def index(self):
return 1
def count(self):
return 1
class set():
def __init__(self, iterable=[]):
self.__iterable = iterable
def __iter__(self):
for i in self.__iterable:
yield i
def pop(self):
return list(self.__iterable)[-1]
def copy(self):
return self
def difference(self, other):
return self - other
def intersection(self, other):
return self & other
def symmetric_difference(self, other):
return self ^ other
def union(self, other):
return self | other
class frozenset():
def __init__(self, iterable=[]):
self.__iterable = iterable
def __iter__(self):
for i in self.__iterable:
yield i
def copy(self):
return self
class dict():
def __init__(self, **elements):
self.__elements = elements
def clear(self):
# has a strange docstr
pass
def __getitem__(self, obj):
return self.__elements[obj]
def get(self, k, d=None):
# TODO implement
try:
return self.__elements[k]
pass
except KeyError:
return d
def values(self):
return self.__elements.values()
def setdefault(self, k, d):
# TODO maybe also return the content
return d
class enumerate():
def __init__(self, sequence, start=0):
self.__sequence = sequence
def __iter__(self):
for i in self.__sequence:
yield 1, i
def __next__(self):
return next(self.__iter__())
def next(self):
return next(self.__iter__())
def sorted(iterable, cmp=None, key=None, reverse=False):
return iterable
#--------------------------------------------------------
# basic types
#--------------------------------------------------------
class int():
def __init__(self, x, base=None):
pass
class str():
def __init__(self, obj):
pass
def strip(self):
return str()
def split(self):
return [str()]
class type():
def mro():
return [object]

4
jedi/evaluate/compiled/fake/datetime.pym
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@@ -1,4 +0,0 @@
class datetime():
@staticmethod
def now():
return datetime()

12
jedi/evaluate/compiled/fake/io.pym
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@@ -1,12 +0,0 @@
class TextIOWrapper():
def __next__(self):
return str()
def __iter__(self):
yield str()
def readlines(self):
return ['']
def __enter__(self):
return self

33
jedi/evaluate/compiled/fake/operator.pym
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@@ -1,33 +0,0 @@
# Just copied this code from Python 3.6.
class itemgetter:
"""
Return a callable object that fetches the given item(s) from its operand.
After f = itemgetter(2), the call f(r) returns r[2].
After g = itemgetter(2, 5, 3), the call g(r) returns (r[2], r[5], r[3])
"""
__slots__ = ('_items', '_call')
def __init__(self, item, *items):
if not items:
self._items = (item,)
def func(obj):
return obj[item]
self._call = func
else:
self._items = items = (item,) + items
def func(obj):
return tuple(obj[i] for i in items)
self._call = func
def __call__(self, obj):
return self._call(obj)
def __repr__(self):
return '%s.%s(%s)' % (self.__class__.__module__,
self.__class__.__name__,
', '.join(map(repr, self._items)))
def __reduce__(self):
return self.__class__, self._items

5
jedi/evaluate/compiled/fake/posix.pym
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@@ -1,5 +0,0 @@
def getcwd():
return ''
def getcwdu():
return ''

5
jedi/evaluate/context/iterable.py
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@@ -645,11 +645,6 @@ class _ArrayInstance(object):
Used for the usage of set() and list(). Used for the usage of set() and list().
This is definitely a hack, but a good one :-) This is definitely a hack, but a good one :-)
It makes it possible to use set/list conversions. It makes it possible to use set/list conversions.
In contrast to Array, ListComprehension and all other iterable types, this
is something that is only used inside `evaluate/compiled/fake/builtins.py`
and therefore doesn't need filters, `py__bool__` and so on, because
we don't use these operations in `builtins.py`.
""" """
def __init__(self, instance, var_args): def __init__(self, instance, var_args):
self.instance = instance self.instance = instance

4
jedi/plugins/stdlib.py
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@@ -136,10 +136,6 @@ def builtins_property(objects, types, obj, arguments):
@argument_clinic('iterator[, default], /', want_evaluator=True) @argument_clinic('iterator[, default], /', want_evaluator=True)
def builtins_next(iterators, defaults, evaluator): def builtins_next(iterators, defaults, evaluator):
"""
TODO this function is currently not used. It's a stab at implementing next
in a different way than fake objects. This would be a bit more flexible.
"""
if evaluator.environment.version_info.major == 2: if evaluator.environment.version_info.major == 2:
name = 'next' name = 'next'
else: else: