Python tornado.util.ArgReplacer() Examples
The following are 15
code examples of tornado.util.ArgReplacer().
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tornado.util
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Example #1
| Source File: auth.py From viewfinder with Apache License 2.0 | 6 votes |
|
def _auth_return_future(f):
"""Similar to tornado.concurrent.return_future, but uses the auth
module's legacy callback interface.
Note that when using this decorator the ``callback`` parameter
inside the function will actually be a future.
"""
replacer = ArgReplacer(f, 'callback')
@functools.wraps(f)
def wrapper(*args, **kwargs):
future = TracebackFuture()
callback, args, kwargs = replacer.replace(future, args, kwargs)
if callback is not None:
future.add_done_callback(
functools.partial(_auth_future_to_callback, callback))
f(*args, **kwargs)
return future
return wrapper
Example #2
| Source File: auth.py From viewfinder with Apache License 2.0 | 6 votes |
|
def _auth_return_future(f):
"""Similar to tornado.concurrent.return_future, but uses the auth
module's legacy callback interface.
Note that when using this decorator the ``callback`` parameter
inside the function will actually be a future.
"""
replacer = ArgReplacer(f, 'callback')
@functools.wraps(f)
def wrapper(*args, **kwargs):
future = TracebackFuture()
callback, args, kwargs = replacer.replace(future, args, kwargs)
if callback is not None:
future.add_done_callback(
functools.partial(_auth_future_to_callback, callback))
f(*args, **kwargs)
return future
return wrapper
Example #3
| Source File: auth.py From tornado-zh with MIT License | 5 votes |
|
def _auth_return_future(f):
"""Similar to tornado.concurrent.return_future, but uses the auth
module's legacy callback interface.
Note that when using this decorator the ``callback`` parameter
inside the function will actually be a future.
"""
replacer = ArgReplacer(f, 'callback')
@functools.wraps(f)
def wrapper(*args, **kwargs):
future = TracebackFuture()
callback, args, kwargs = replacer.replace(future, args, kwargs)
if callback is not None:
future.add_done_callback(
functools.partial(_auth_future_to_callback, callback))
def handle_exception(typ, value, tb):
if future.done():
return False
else:
future.set_exc_info((typ, value, tb))
return True
with ExceptionStackContext(handle_exception):
f(*args, **kwargs)
return future
return wrapper
Example #4
| Source File: util_test.py From tornado-zh with MIT License | 5 votes |
|
def setUp(self):
def function(x, y, callback=None, z=None):
pass
self.replacer = ArgReplacer(function, 'callback')
Example #5
| Source File: auth.py From tornado-zh with MIT License | 5 votes |
|
def _auth_return_future(f):
"""Similar to tornado.concurrent.return_future, but uses the auth
module's legacy callback interface.
Note that when using this decorator the ``callback`` parameter
inside the function will actually be a future.
"""
replacer = ArgReplacer(f, 'callback')
@functools.wraps(f)
def wrapper(*args, **kwargs):
future = TracebackFuture()
callback, args, kwargs = replacer.replace(future, args, kwargs)
if callback is not None:
future.add_done_callback(
functools.partial(_auth_future_to_callback, callback))
def handle_exception(typ, value, tb):
if future.done():
return False
else:
future.set_exc_info((typ, value, tb))
return True
with ExceptionStackContext(handle_exception):
f(*args, **kwargs)
return future
return wrapper
Example #6
| Source File: util_test.py From tornado-zh with MIT License | 5 votes |
|
def setUp(self):
def function(x, y, callback=None, z=None):
pass
self.replacer = ArgReplacer(function, 'callback')
Example #7
| Source File: cythonapp_test.py From tornado-zh with MIT License | 5 votes |
|
def test_arg_replacer_function(self):
replacer = ArgReplacer(cythonapp.function_with_args, 'two')
args = (1, 'old', 3)
kwargs = {}
self.assertEqual(replacer.get_old_value(args, kwargs), 'old')
self.assertEqual(replacer.replace('new', args, kwargs),
('old', [1, 'new', 3], {}))
Example #8
| Source File: util_test.py From viewfinder with Apache License 2.0 | 5 votes |
|
def setUp(self):
def function(x, y, callback=None, z=None):
pass
self.replacer = ArgReplacer(function, 'callback')
Example #9
| Source File: util_test.py From viewfinder with Apache License 2.0 | 5 votes |
|
def setUp(self):
def function(x, y, callback=None, z=None):
pass
self.replacer = ArgReplacer(function, 'callback')
Example #10
| Source File: auth.py From teleport with Apache License 2.0 | 5 votes |
|
def _auth_return_future(f):
"""Similar to tornado.concurrent.return_future, but uses the auth
module's legacy callback interface.
Note that when using this decorator the ``callback`` parameter
inside the function will actually be a future.
.. deprecated:: 5.1
Will be removed in 6.0.
"""
replacer = ArgReplacer(f, 'callback')
@functools.wraps(f)
def wrapper(*args, **kwargs):
future = Future()
callback, args, kwargs = replacer.replace(future, args, kwargs)
if callback is not None:
warnings.warn("callback arguments are deprecated, use the returned Future instead",
DeprecationWarning)
future.add_done_callback(
wrap(functools.partial(_auth_future_to_callback, callback)))
def handle_exception(typ, value, tb):
if future.done():
return False
else:
future_set_exc_info(future, (typ, value, tb))
return True
with ExceptionStackContext(handle_exception, delay_warning=True):
f(*args, **kwargs)
return future
return wrapper
Example #11
| Source File: auth.py From pySINDy with MIT License | 5 votes |
|
def _auth_return_future(f):
"""Similar to tornado.concurrent.return_future, but uses the auth
module's legacy callback interface.
Note that when using this decorator the ``callback`` parameter
inside the function will actually be a future.
.. deprecated:: 5.1
Will be removed in 6.0.
"""
replacer = ArgReplacer(f, 'callback')
@functools.wraps(f)
def wrapper(*args, **kwargs):
future = Future()
callback, args, kwargs = replacer.replace(future, args, kwargs)
if callback is not None:
warnings.warn("callback arguments are deprecated, use the returned Future instead",
DeprecationWarning)
future.add_done_callback(
wrap(functools.partial(_auth_future_to_callback, callback)))
def handle_exception(typ, value, tb):
if future.done():
return False
else:
future_set_exc_info(future, (typ, value, tb))
return True
with ExceptionStackContext(handle_exception, delay_warning=True):
f(*args, **kwargs)
return future
return wrapper
Example #12
| Source File: auth.py From EventGhost with GNU General Public License v2.0 | 5 votes |
|
def _auth_return_future(f):
"""Similar to tornado.concurrent.return_future, but uses the auth
module's legacy callback interface.
Note that when using this decorator the ``callback`` parameter
inside the function will actually be a future.
"""
replacer = ArgReplacer(f, 'callback')
@functools.wraps(f)
def wrapper(*args, **kwargs):
future = TracebackFuture()
callback, args, kwargs = replacer.replace(future, args, kwargs)
if callback is not None:
future.add_done_callback(
functools.partial(_auth_future_to_callback, callback))
def handle_exception(typ, value, tb):
if future.done():
return False
else:
future.set_exc_info((typ, value, tb))
return True
with ExceptionStackContext(handle_exception):
f(*args, **kwargs)
return future
return wrapper
Example #13
| Source File: util_test.py From EventGhost with GNU General Public License v2.0 | 5 votes |
|
def setUp(self):
def function(x, y, callback=None, z=None):
pass
self.replacer = ArgReplacer(function, 'callback')
Example #14
| Source File: concurrent.py From teleport with Apache License 2.0 | 4 votes |
|
def _non_deprecated_return_future(f, warn=False):
# Allow auth.py to use this decorator without triggering
# deprecation warnings. This will go away once auth.py has removed
# its legacy interfaces in 6.0.
replacer = ArgReplacer(f, 'callback')
@functools.wraps(f)
def wrapper(*args, **kwargs):
future = Future()
callback, args, kwargs = replacer.replace(
lambda value=_NO_RESULT: future_set_result_unless_cancelled(future, value),
args, kwargs)
def handle_error(typ, value, tb):
future_set_exc_info(future, (typ, value, tb))
return True
exc_info = None
esc = ExceptionStackContext(handle_error, delay_warning=True)
with esc:
if not warn:
# HACK: In non-deprecated mode (only used in auth.py),
# suppress the warning entirely. Since this is added
# in a 5.1 patch release and already removed in 6.0
# I'm prioritizing a minimial change instead of a
# clean solution.
esc.delay_warning = False
try:
result = f(*args, **kwargs)
if result is not None:
raise ReturnValueIgnoredError(
"@return_future should not be used with functions "
"that return values")
except:
exc_info = sys.exc_info()
raise
if exc_info is not None:
# If the initial synchronous part of f() raised an exception,
# go ahead and raise it to the caller directly without waiting
# for them to inspect the Future.
future.result()
# If the caller passed in a callback, schedule it to be called
# when the future resolves. It is important that this happens
# just before we return the future, or else we risk confusing
# stack contexts with multiple exceptions (one here with the
# immediate exception, and again when the future resolves and
# the callback triggers its exception by calling future.result()).
if callback is not None:
warnings.warn("callback arguments are deprecated, use the returned Future instead",
DeprecationWarning)
def run_callback(future):
result = future.result()
if result is _NO_RESULT:
callback()
else:
callback(future.result())
future_add_done_callback(future, wrap(run_callback))
return future
return wrapper
Example #15
| Source File: concurrent.py From pySINDy with MIT License | 4 votes |
|
def _non_deprecated_return_future(f, warn=False):
# Allow auth.py to use this decorator without triggering
# deprecation warnings. This will go away once auth.py has removed
# its legacy interfaces in 6.0.
replacer = ArgReplacer(f, 'callback')
@functools.wraps(f)
def wrapper(*args, **kwargs):
future = Future()
callback, args, kwargs = replacer.replace(
lambda value=_NO_RESULT: future_set_result_unless_cancelled(future, value),
args, kwargs)
def handle_error(typ, value, tb):
future_set_exc_info(future, (typ, value, tb))
return True
exc_info = None
esc = ExceptionStackContext(handle_error, delay_warning=True)
with esc:
if not warn:
# HACK: In non-deprecated mode (only used in auth.py),
# suppress the warning entirely. Since this is added
# in a 5.1 patch release and already removed in 6.0
# I'm prioritizing a minimial change instead of a
# clean solution.
esc.delay_warning = False
try:
result = f(*args, **kwargs)
if result is not None:
raise ReturnValueIgnoredError(
"@return_future should not be used with functions "
"that return values")
except:
exc_info = sys.exc_info()
raise
if exc_info is not None:
# If the initial synchronous part of f() raised an exception,
# go ahead and raise it to the caller directly without waiting
# for them to inspect the Future.
future.result()
# If the caller passed in a callback, schedule it to be called
# when the future resolves. It is important that this happens
# just before we return the future, or else we risk confusing
# stack contexts with multiple exceptions (one here with the
# immediate exception, and again when the future resolves and
# the callback triggers its exception by calling future.result()).
if callback is not None:
warnings.warn("callback arguments are deprecated, use the returned Future instead",
DeprecationWarning)
def run_callback(future):
result = future.result()
if result is _NO_RESULT:
callback()
else:
callback(future.result())
future_add_done_callback(future, wrap(run_callback))
return future
return wrapper
