def test_excessive_getattr(self):
# Ensure getattr() is invoked no more than once per attribute
class Foo:
calls = 0
@property
def bar(self):
self.calls += 1
return None
f = Foo()
completer = rlcompleter.Completer(dict(f=f))
self.assertEqual(completer.complete('f.b', 0), 'f.bar')
self.assertEqual(f.calls, 1)
python类Completer()的实例源码
def handle(self, **options):
try:
if options['plain']:
# Don't bother loading IPython, because the user wants plain Python.
raise ImportError
self.run_shell(shell=options['interface'])
except ImportError:
import code
# Set up a dictionary to serve as the environment for the shell, so
# that tab completion works on objects that are imported at runtime.
# See ticket 5082.
imported_objects = {}
try: # Try activating rlcompleter, because it's handy.
import readline
except ImportError:
pass
else:
# We don't have to wrap the following import in a 'try', because
# we already know 'readline' was imported successfully.
import rlcompleter
readline.set_completer(rlcompleter.Completer(imported_objects).complete)
readline.parse_and_bind("tab:complete")
# We want to honor both $PYTHONSTARTUP and .pythonrc.py, so follow system
# conventions and get $PYTHONSTARTUP first then .pythonrc.py.
if not options['no_startup']:
for pythonrc in (os.environ.get("PYTHONSTARTUP"), '~/.pythonrc.py'):
if not pythonrc:
continue
pythonrc = os.path.expanduser(pythonrc)
if not os.path.isfile(pythonrc):
continue
try:
with open(pythonrc) as handle:
exec(compile(handle.read(), pythonrc, 'exec'), imported_objects)
except NameError:
pass
code.interact(local=imported_objects)
def handle(self, **options):
try:
if options['plain']:
# Don't bother loading IPython, because the user wants plain Python.
raise ImportError
self.run_shell(shell=options['interface'])
except ImportError:
import code
# Set up a dictionary to serve as the environment for the shell, so
# that tab completion works on objects that are imported at runtime.
# See ticket 5082.
imported_objects = {}
try: # Try activating rlcompleter, because it's handy.
import readline
except ImportError:
pass
else:
# We don't have to wrap the following import in a 'try', because
# we already know 'readline' was imported successfully.
import rlcompleter
readline.set_completer(rlcompleter.Completer(imported_objects).complete)
readline.parse_and_bind("tab:complete")
# We want to honor both $PYTHONSTARTUP and .pythonrc.py, so follow system
# conventions and get $PYTHONSTARTUP first then .pythonrc.py.
if not options['no_startup']:
for pythonrc in (os.environ.get("PYTHONSTARTUP"), '~/.pythonrc.py'):
if not pythonrc:
continue
pythonrc = os.path.expanduser(pythonrc)
if not os.path.isfile(pythonrc):
continue
try:
with open(pythonrc) as handle:
exec(compile(handle.read(), pythonrc, 'exec'), imported_objects)
except NameError:
pass
code.interact(local=imported_objects)
def handle(self, **options):
try:
if options['plain']:
# Don't bother loading IPython, because the user wants plain Python.
raise ImportError
self.run_shell(shell=options['interface'])
except ImportError:
import code
# Set up a dictionary to serve as the environment for the shell, so
# that tab completion works on objects that are imported at runtime.
# See ticket 5082.
imported_objects = {}
try: # Try activating rlcompleter, because it's handy.
import readline
except ImportError:
pass
else:
# We don't have to wrap the following import in a 'try', because
# we already know 'readline' was imported successfully.
import rlcompleter
readline.set_completer(rlcompleter.Completer(imported_objects).complete)
readline.parse_and_bind("tab:complete")
# We want to honor both $PYTHONSTARTUP and .pythonrc.py, so follow system
# conventions and get $PYTHONSTARTUP first then .pythonrc.py.
if not options['no_startup']:
for pythonrc in (os.environ.get("PYTHONSTARTUP"), '~/.pythonrc.py'):
if not pythonrc:
continue
pythonrc = os.path.expanduser(pythonrc)
if not os.path.isfile(pythonrc):
continue
try:
with open(pythonrc) as handle:
exec(compile(handle.read(), pythonrc, 'exec'), imported_objects)
except NameError:
pass
code.interact(local=imported_objects)
def handle(self, **options):
try:
if options['plain']:
# Don't bother loading IPython, because the user wants plain Python.
raise ImportError
self.run_shell(shell=options['interface'])
except ImportError:
import code
# Set up a dictionary to serve as the environment for the shell, so
# that tab completion works on objects that are imported at runtime.
# See ticket 5082.
imported_objects = {}
try: # Try activating rlcompleter, because it's handy.
import readline
except ImportError:
pass
else:
# We don't have to wrap the following import in a 'try', because
# we already know 'readline' was imported successfully.
import rlcompleter
readline.set_completer(rlcompleter.Completer(imported_objects).complete)
readline.parse_and_bind("tab:complete")
# We want to honor both $PYTHONSTARTUP and .pythonrc.py, so follow system
# conventions and get $PYTHONSTARTUP first then .pythonrc.py.
if not options['no_startup']:
for pythonrc in (os.environ.get("PYTHONSTARTUP"), '~/.pythonrc.py'):
if not pythonrc:
continue
pythonrc = os.path.expanduser(pythonrc)
if not os.path.isfile(pythonrc):
continue
try:
with open(pythonrc) as handle:
exec(compile(handle.read(), pythonrc, 'exec'), imported_objects)
except NameError:
pass
code.interact(local=imported_objects)
def test_complete (self):
import rlcompleter
logger.sock_silent = False
log("-" * 50)
r = EmacsModeTest()
completerobj = rlcompleter.Completer()
def _nop(val, word):
return word
completerobj._callable_postfix = _nop
r.completer = completerobj.complete
r._bind_key("tab", r.complete)
r.input('"exi(ksdjksjd)"')
r.input('Control-a')
r.input('Right')
r.input('Right')
r.input('Right')
r.input('Tab')
self.assert_line(r, "exit(ksdjksjd)", 4)
r.input('Escape')
r.input('"exi"')
r.input('Control-a')
r.input('Right')
r.input('Right')
r.input('Right')
r.input('Tab')
self.assert_line(r, "exit", 4)
def setUp(self):
self.stdcompleter = rlcompleter.Completer()
self.completer = rlcompleter.Completer(dict(spam=int,
egg=str,
CompleteMe=CompleteMe))
# forces stdcompleter to bind builtins namespace
self.stdcompleter.complete('', 0)
def test_namespace(self):
class A(dict):
pass
class B(list):
pass
self.assertTrue(self.stdcompleter.use_main_ns)
self.assertFalse(self.completer.use_main_ns)
self.assertFalse(rlcompleter.Completer(A()).use_main_ns)
self.assertRaises(TypeError, rlcompleter.Completer, B((1,)))
def python(self, options):
import code
# Set up a dictionary to serve as the environment for the shell, so
# that tab completion works on objects that are imported at runtime.
imported_objects = {}
try: # Try activating rlcompleter, because it's handy.
import readline
except ImportError:
pass
else:
# We don't have to wrap the following import in a 'try', because
# we already know 'readline' was imported successfully.
import rlcompleter
readline.set_completer(rlcompleter.Completer(imported_objects).complete)
# Enable tab completion on systems using libedit (e.g. Mac OSX).
# These lines are copied from Lib/site.py on Python 3.4.
readline_doc = getattr(readline, '__doc__', '')
if readline_doc is not None and 'libedit' in readline_doc:
readline.parse_and_bind("bind ^I rl_complete")
else:
readline.parse_and_bind("tab:complete")
# We want to honor both $PYTHONSTARTUP and .pythonrc.py, so follow system
# conventions and get $PYTHONSTARTUP first then .pythonrc.py.
if not options['no_startup']:
for pythonrc in (os.environ.get("PYTHONSTARTUP"), '~/.pythonrc.py'):
if not pythonrc:
continue
pythonrc = os.path.expanduser(pythonrc)
if not os.path.isfile(pythonrc):
continue
try:
with open(pythonrc) as handle:
exec(compile(handle.read(), pythonrc, 'exec'), imported_objects)
except NameError:
pass
code.interact(local=imported_objects)
def python(self, options):
import code
# Set up a dictionary to serve as the environment for the shell, so
# that tab completion works on objects that are imported at runtime.
imported_objects = {}
try: # Try activating rlcompleter, because it's handy.
import readline
except ImportError:
pass
else:
# We don't have to wrap the following import in a 'try', because
# we already know 'readline' was imported successfully.
import rlcompleter
readline.set_completer(rlcompleter.Completer(imported_objects).complete)
# Enable tab completion on systems using libedit (e.g. Mac OSX).
# These lines are copied from Lib/site.py on Python 3.4.
readline_doc = getattr(readline, '__doc__', '')
if readline_doc is not None and 'libedit' in readline_doc:
readline.parse_and_bind("bind ^I rl_complete")
else:
readline.parse_and_bind("tab:complete")
# We want to honor both $PYTHONSTARTUP and .pythonrc.py, so follow system
# conventions and get $PYTHONSTARTUP first then .pythonrc.py.
if not options['no_startup']:
for pythonrc in OrderedSet([os.environ.get("PYTHONSTARTUP"), os.path.expanduser('~/.pythonrc.py')]):
if not pythonrc:
continue
if not os.path.isfile(pythonrc):
continue
try:
with open(pythonrc) as handle:
exec(compile(handle.read(), pythonrc, 'exec'), imported_objects)
except NameError:
pass
code.interact(local=imported_objects)
def python(self, options):
import code
# Set up a dictionary to serve as the environment for the shell, so
# that tab completion works on objects that are imported at runtime.
imported_objects = {}
try: # Try activating rlcompleter, because it's handy.
import readline
except ImportError:
pass
else:
# We don't have to wrap the following import in a 'try', because
# we already know 'readline' was imported successfully.
import rlcompleter
readline.set_completer(rlcompleter.Completer(imported_objects).complete)
# Enable tab completion on systems using libedit (e.g. Mac OSX).
# These lines are copied from Lib/site.py on Python 3.4.
readline_doc = getattr(readline, '__doc__', '')
if readline_doc is not None and 'libedit' in readline_doc:
readline.parse_and_bind("bind ^I rl_complete")
else:
readline.parse_and_bind("tab:complete")
# We want to honor both $PYTHONSTARTUP and .pythonrc.py, so follow system
# conventions and get $PYTHONSTARTUP first then .pythonrc.py.
if not options['no_startup']:
for pythonrc in (os.environ.get("PYTHONSTARTUP"), '~/.pythonrc.py'):
if not pythonrc:
continue
pythonrc = os.path.expanduser(pythonrc)
if not os.path.isfile(pythonrc):
continue
try:
with open(pythonrc) as handle:
exec(compile(handle.read(), pythonrc, 'exec'), imported_objects)
except NameError:
pass
code.interact(local=imported_objects)
def python(self, options):
import code
# Set up a dictionary to serve as the environment for the shell, so
# that tab completion works on objects that are imported at runtime.
imported_objects = {}
try: # Try activating rlcompleter, because it's handy.
import readline
except ImportError:
pass
else:
# We don't have to wrap the following import in a 'try', because
# we already know 'readline' was imported successfully.
import rlcompleter
readline.set_completer(rlcompleter.Completer(imported_objects).complete)
# Enable tab completion on systems using libedit (e.g. Mac OSX).
# These lines are copied from Lib/site.py on Python 3.4.
readline_doc = getattr(readline, '__doc__', '')
if readline_doc is not None and 'libedit' in readline_doc:
readline.parse_and_bind("bind ^I rl_complete")
else:
readline.parse_and_bind("tab:complete")
# We want to honor both $PYTHONSTARTUP and .pythonrc.py, so follow system
# conventions and get $PYTHONSTARTUP first then .pythonrc.py.
if not options['no_startup']:
for pythonrc in (os.environ.get("PYTHONSTARTUP"), '~/.pythonrc.py'):
if not pythonrc:
continue
pythonrc = os.path.expanduser(pythonrc)
if not os.path.isfile(pythonrc):
continue
try:
with open(pythonrc) as handle:
exec(compile(handle.read(), pythonrc, 'exec'), imported_objects)
except NameError:
pass
code.interact(local=imported_objects)
def shell(ipython):
"""Runs a Python shell with QPD context"""
import code
import readline
import rlcompleter
banner_msg = (
"Welcome to QPD interactive shell\n"
"\tAuto imported: app, db, models, views, admin"
)
_vars = globals()
_vars.update(locals())
_vars.update(dict(app=app, db=db, models=models, views=views, admin=admin))
readline.set_completer(rlcompleter.Completer(_vars).complete)
readline.parse_and_bind("tab: complete")
try:
if ipython is True:
from IPython import start_ipython
from traitlets.config import Config
c = Config()
c.TerminalInteractiveShell.banner2 = banner_msg
start_ipython(argv=[], user_ns=_vars, config=c)
else:
raise ImportError
except ImportError:
shell = code.InteractiveConsole(_vars)
shell.interact(banner=banner_msg)
def setUp(self):
self.stdcompleter = rlcompleter.Completer()
self.completer = rlcompleter.Completer(dict(spam=int,
egg=str,
CompleteMe=CompleteMe))
# forces stdcompleter to bind builtins namespace
self.stdcompleter.complete('', 0)
def test_namespace(self):
class A(dict):
pass
class B(list):
pass
self.assertTrue(self.stdcompleter.use_main_ns)
self.assertFalse(self.completer.use_main_ns)
self.assertFalse(rlcompleter.Completer(A()).use_main_ns)
self.assertRaises(TypeError, rlcompleter.Completer, B((1,)))
def setUp(self):
self.stdcompleter = rlcompleter.Completer()
self.completer = rlcompleter.Completer(dict(spam=int,
egg=str,
CompleteMe=CompleteMe))
# forces stdcompleter to bind builtins namespace
self.stdcompleter.complete('', 0)
def test_namespace(self):
class A(dict):
pass
class B(list):
pass
self.assertTrue(self.stdcompleter.use_main_ns)
self.assertFalse(self.completer.use_main_ns)
self.assertFalse(rlcompleter.Completer(A()).use_main_ns)
self.assertRaises(TypeError, rlcompleter.Completer, B((1,)))
def test_excessive_getattr(self):
# Ensure getattr() is invoked no more than once per attribute
class Foo:
calls = 0
@property
def bar(self):
self.calls += 1
return None
f = Foo()
completer = rlcompleter.Completer(dict(f=f))
self.assertEqual(completer.complete('f.b', 0), 'f.bar')
self.assertEqual(f.calls, 1)
def test_complete(self):
completer = rlcompleter.Completer()
self.assertEqual(completer.complete('', 0), '\t')
self.assertEqual(completer.complete('a', 0), 'and')
self.assertEqual(completer.complete('a', 1), 'as')
self.assertEqual(completer.complete('as', 2), 'assert')
self.assertEqual(completer.complete('an', 0), 'and')
def attr_matches(self, text):
"""
Derived from rlcompleter.Completer.attr_matches()
"""
m = self.PATTERN.match(text)
if not m:
return []
expr, attr = m.group(1, 3)
try:
thisobject = eval(expr, self.namespace)
except Exception:
return []
# get the content of the object, except __builtins__
words = dir(thisobject)
if "__builtins__" in words:
words.remove("__builtins__")
if hasattr(thisobject, '__class__'):
words.append('__class__')
words.extend(rlcompleter.get_class_members(thisobject.__class__))
matches = []
n = len(attr)
for word in words:
if attr == '' and word[0] == '_':
continue
if word[:n] == attr and hasattr(thisobject, word):
val = getattr(thisobject, word)
word = self._callable_postfix(val, "%s.%s" % (expr, word))
matches.append(word)
return matches
