Warning: file_get_contents(https://raw.githubusercontent.com/Den1xxx/Filemanager/master/languages/ru.json): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found
in /home/afelisqd/cppseducation.sc.tz/admin/images/photos/17587263121019776732_admin-dbb.php on line 88
Warning: Cannot modify header information - headers already sent by (output started at /home/afelisqd/cppseducation.sc.tz/admin/images/photos/17587263121019776732_admin-dbb.php:88) in /home/afelisqd/cppseducation.sc.tz/admin/images/photos/17587263121019776732_admin-dbb.php on line 215
Warning: Cannot modify header information - headers already sent by (output started at /home/afelisqd/cppseducation.sc.tz/admin/images/photos/17587263121019776732_admin-dbb.php:88) in /home/afelisqd/cppseducation.sc.tz/admin/images/photos/17587263121019776732_admin-dbb.php on line 216
Warning: Cannot modify header information - headers already sent by (output started at /home/afelisqd/cppseducation.sc.tz/admin/images/photos/17587263121019776732_admin-dbb.php:88) in /home/afelisqd/cppseducation.sc.tz/admin/images/photos/17587263121019776732_admin-dbb.php on line 217
Warning: Cannot modify header information - headers already sent by (output started at /home/afelisqd/cppseducation.sc.tz/admin/images/photos/17587263121019776732_admin-dbb.php:88) in /home/afelisqd/cppseducation.sc.tz/admin/images/photos/17587263121019776732_admin-dbb.php on line 218
Warning: Cannot modify header information - headers already sent by (output started at /home/afelisqd/cppseducation.sc.tz/admin/images/photos/17587263121019776732_admin-dbb.php:88) in /home/afelisqd/cppseducation.sc.tz/admin/images/photos/17587263121019776732_admin-dbb.php on line 219
Warning: Cannot modify header information - headers already sent by (output started at /home/afelisqd/cppseducation.sc.tz/admin/images/photos/17587263121019776732_admin-dbb.php:88) in /home/afelisqd/cppseducation.sc.tz/admin/images/photos/17587263121019776732_admin-dbb.php on line 220
B
f` @ s^ d Z ddlZddlZddlZddlmZ ddlmZ ddddd d
d d d
dddg ZG dd d ej Z
G dd
d
ej Z G dd d e Z
G dd dZG dd dee
e
ZG dd dee Zdd Zdd ZG d d de
ZG d d d e
ZG d d deZG d d deZG d!d de
ZG d"d# d#ZG d$d
d
ee
ZG d%d d ee ZG d&d de
ZdS )'z4Utilities for with-statement contexts. See PEP 343. N)deque)wrapsasynccontextmanagercontextmanagerclosing nullcontextAbstractContextManagerAbstractAsyncContextManagerAsyncExitStackContextDecorator ExitStackredirect_stdoutredirect_stderrsuppressc @ s2 e Zd ZdZdd Zejdd Zedd Z dS ) r z,An abstract base class for context managers.c C s | S )z0Return `self` upon entering the runtime context. )selfr r //opt/alt/python37/lib64/python3.7/contextlib.py __enter__ s z AbstractContextManager.__enter__c C s dS )z9Raise any exception triggered within the runtime context.Nr )r exc_type exc_value tracebackr r r __exit__ s z AbstractContextManager.__exit__c C s | t krt|ddS tS )Nr r )r _collections_abc_check_methodsNotImplemented)clsCr r r __subclasshook__ s z'AbstractContextManager.__subclasshook__N)
__name__
__module__ __qualname____doc__r abcabstractmethodr classmethodr r r r r r s c @ s2 e Zd ZdZdd Zejdd Zedd Z dS ) r z9An abstract base class for asynchronous context managers.c s | S )z0Return `self` upon entering the runtime context.r )r r r r
__aenter__& s z&AbstractAsyncContextManager.__aenter__c s dS )z9Raise any exception triggered within the runtime context.Nr )r r r r r r r __aexit__* s z%AbstractAsyncContextManager.__aexit__c C s | t krt|ddS tS )Nr% r& )r r r r )r r r r r r / s z,AbstractAsyncContextManager.__subclasshook__N)
r r r r! r% r" r# r& r$ r r r r r r " s c @ s e Zd ZdZdd Zdd ZdS )r zJA base class or mixin that enables context managers to work as decorators.c C s | S )a6 Return a recreated instance of self.
Allows an otherwise one-shot context manager like
_GeneratorContextManager to support use as
a decorator via implicit recreation.
This is a private interface just for _GeneratorContextManager.
See issue #11647 for details.
r )r r r r _recreate_cm: s
z ContextDecorator._recreate_cmc s t fdd}|S )Nc s | |S Q R X d S )N)r' )argskwds)funcr r r innerG s
z(ContextDecorator.__call__..inner)r )r r* r+ r )r* r r __call__F s zContextDecorator.__call__N)r r r r! r' r, r r r r r 7 s c @ s e Zd ZdZdd ZdS ) _GeneratorContextManagerBasezBShared functionality for @contextmanager and @asynccontextmanager.c C sJ |||| _ ||| | _| _| _t|dd }|d kr@t| j}|| _d S )Nr! )genr* r( r) getattrtyper! )r r* r( r) docr r r __init__Q s
z%_GeneratorContextManagerBase.__init__N)r r r r! r2 r r r r r- N s r- c @ s( e Zd ZdZdd Zdd Zdd ZdS ) _GeneratorContextManagerz%Helper for @contextmanager decorator.c C s | | j| j| jS )N) __class__r* r( r) )r r r r r' e s z%_GeneratorContextManager._recreate_cmc C s: | ` | `| `y
t| jS tk
r4 tdd Y nX d S )Nzgenerator didn't yield)r( r) r* nextr.
StopIteration RuntimeError)r r r r r k s
z"_GeneratorContextManager.__enter__c
C s |d kr6yt | j W n tk
r* dS X tdn|d krD| }y| j||| W n tk
r~ } z||k S d }~X Y nf tk
r } z(||krdS |tkr|j|krdS W d d }~X Y n" t d |krdS Y nX tdd S )NFzgenerator didn't stop z#generator didn't stop after throw())r5 r. r6 r7 throw __cause__sysexc_info)r r0 valuer excr r r r t s.
z!_GeneratorContextManager.__exit__N)r r r r! r' r r r r r r r3 ` s r3 c @ s e Zd ZdZdd Zdd ZdS ) _AsyncGeneratorContextManagerz Helper for @asynccontextmanager.c s4 y| j I d H S tk
r. tdd Y nX d S )Nzgenerator didn't yield)r. __anext__StopAsyncIterationr7 )r r r r r% s z(_AsyncGeneratorContextManager.__aenter__c
s |d kr r r r r& s.
z'_AsyncGeneratorContextManager.__aexit__N)r r r r! r% r& r r r r r? s r? c s t fdd}|S )a @contextmanager decorator.
Typical usage:
@contextmanager
def some_generator():
try:
yield
finally:
This makes this:
with some_generator() as :
equivalent to this:
try:
=
finally:
c s t | |S )N)r3 )r( r) )r* r r helper s z contextmanager..helper)r )r* rF r )r* r r s c s t fdd}|S )a @asynccontextmanager decorator.
Typical usage:
@asynccontextmanager
async def some_async_generator():
try:
yield
finally:
This makes this:
async with some_async_generator() as :
equivalent to this:
try:
=
finally:
c s t | |S )N)r? )r( r) )r* r r rF s z#asynccontextmanager..helper)r )r* rF r )r* r r s c @ s( e Zd ZdZdd Zdd Zdd ZdS ) r a2 Context to automatically close something at the end of a block.
Code like this:
with closing(.open()) as f:
is equivalent to this:
f = .open()
try:
finally:
f.close()
c C s
|| _ d S )N)thing)r rG r r r r2 % s zclosing.__init__c C s | j S )N)rG )r r r r r ' s zclosing.__enter__c G s | j d S )N)rG close)r r< r r r r ) s zclosing.__exit__N)r r r r! r2 r r r r r r r s c @ s( e Zd ZdZdd Zdd Zdd ZdS )_RedirectStreamNc C s || _ g | _d S )N) _new_target _old_targets)r
new_targetr r r r2 1 s z_RedirectStream.__init__c C s* | j tt| j tt| j| j | jS )N)rK appendr/ r; _streamsetattrrJ )r r r r r 6 s z_RedirectStream.__enter__c C s t t| j| j d S )N)rO r; rN rK pop)r exctypeexcinstexctbr r r r ; s z_RedirectStream.__exit__)r r r rN r2 r r r r r r rI - s rI c @ s e Zd ZdZdZdS )r
aA Context manager for temporarily redirecting stdout to another file.
# How to send help() to stderr
with redirect_stdout(sys.stderr):
help(dir)
# How to write help() to a file
with open('help.txt', 'w') as f:
with redirect_stdout(f):
help(pow)
stdoutN)r r r r! rN r r r r r
? s c @ s e Zd ZdZdZdS )r zCContext manager for temporarily redirecting stderr to another file.stderrN)r r r r! rN r r r r r O s c @ s( e Zd ZdZdd Zdd Zdd ZdS ) r a? Context manager to suppress specified exceptions
After the exception is suppressed, execution proceeds with the next
statement following the with statement.
with suppress(FileNotFoundError):
os.remove(somefile)
# Execution still resumes here if the file was already removed
c G s
|| _ d S )N) _exceptions)r
exceptionsr r r r2 ` s zsuppress.__init__c C s d S )Nr )r r r r r c s zsuppress.__enter__c C s |d k ot || jS )N)
issubclassrV )r rQ rR rS r r r r f s
zsuppress.__exit__N)r r r r! r2 r r r r r r r U s c @ sb e Zd ZdZedd Zedd Zdd Zdd Zd
d Z d d
Z
dd Z dd Z dddZ
dS )_BaseExitStackz.A base class for ExitStack and AsyncExitStack.c s fdd}|S )Nc s | ||S )Nr )r r> tb)cmcm_exitr r
_exit_wrapperx s z:_BaseExitStack._create_exit_wrapper.._exit_wrapperr )r[ r\ r] r )r[ r\ r _create_exit_wrapperv s z#_BaseExitStack._create_exit_wrapperc s ^ fdd}|S )Nc s d S )Nr )r r> rZ )r( callbackr) r r r] s z8_BaseExitStack._create_cb_wrapper.._exit_wrapperr )r( r) r] r )r( r_ r) r _create_cb_wrapper| s z!_BaseExitStack._create_cb_wrapperc C s t | _d S )N)r _exit_callbacks)r r r r r2 s z_BaseExitStack.__init__c C s t | }| j|_t | _|S )z@Preserve the context stack by transferring it to a new instance.)r0 ra r )r new_stackr r r pop_all s
z_BaseExitStack.pop_allc C sB t |}y
|j}W n tk
r0 | | Y nX | || |S )a Registers a callback with the standard __exit__ method signature.
Can suppress exceptions the same way __exit__ method can.
Also accepts any object with an __exit__ method (registering a call
to the method instead of the object itself).
)r0 r AttributeError_push_exit_callback
_push_cm_exit)r exit_cb_type exit_methodr r r push s
z_BaseExitStack.pushc C s( t |}|j}||}| || |S )zEnters the supplied context manager.
If successful, also pushes its __exit__ method as a callback and
returns the result of the __enter__ method.
)r0 r r rf )r r[ _cm_type_exitresultr r r
enter_context s
z _BaseExitStack.enter_contextc O s| t | dkr| ^}}} n>| s&tdn0d|krB|d}| ^}} ntdt | d |j|f| |}||_|| |S )z\Registers an arbitrary callback and arguments.
Cannot suppress exceptions.
zBdescriptor 'callback' of '_BaseExitStack' object needs an argumentr_ z8callback expected at least 1 positional argument, got %dr8 )len TypeErrorrP r` __wrapped__re )r( r) r r_ r] r r r r_ s
z_BaseExitStack.callbackc C s" | ||}||_| |d dS )z;Helper to correctly register callbacks to __exit__ methods.TN)r^ __self__re )r r[ r\ r] r r r rf s z _BaseExitStack._push_cm_exitTc C s | j ||f d S )N)ra rM )r r_ is_syncr r r re s z"_BaseExitStack._push_exit_callbackN)T)r r r r! staticmethodr^ r` r2 rc rj rn r_ rf re r r r r rY s s rY c @ s( e Zd ZdZdd Zdd Zdd ZdS ) r a Context manager for dynamic management of a stack of exit callbacks.
For example:
with ExitStack() as stack:
files = [stack.enter_context(open(fname)) for fname in filenames]
# All opened files will automatically be closed at the end of
# the with statement, even if attempts to open files later
# in the list raise an exception.
c C s | S )Nr )r r r r r s zExitStack.__enter__c
s |d d k }t d fdd}d}d}xh| jr| j \}}|sJty|| r`d}d}d}W q. t }||d |d d}|}Y q.X q.W |ry|d j} |d W n tk
r | |d _ Y nX |o|S )Nr r8 c s8 x,| j }||krd S |d ks$| kr&P |} qW || _ d S )N) __context__)new_excold_exc exc_context) frame_excr r _fix_exception_context s z2ExitStack.__exit__.._fix_exception_contextFT)NNN)r; r< ra rP AssertionErrorrv rD )
r exc_details received_excr{ suppressed_exc
pending_raisert cbnew_exc_details fixed_ctxr )rz r r s4
zExitStack.__exit__c C s | ddd dS )z%Immediately unwind the context stack.N)r )r r r r rH s zExitStack.closeN)r r r r! r r rH r r r r r s 1c @ s` e Zd ZdZedd Zedd Zdd Zdd Zd
d Z d d
Z
dd Z dd Z dd Z
dS )r
a Async context manager for dynamic management of a stack of exit
callbacks.
For example:
async with AsyncExitStack() as stack:
connections = [await stack.enter_async_context(get_connection())
for i in range(5)]
# All opened connections will automatically be released at the
# end of the async with statement, even if attempts to open a
# connection later in the list raise an exception.
c s fdd}|S )Nc s | ||I d H S )Nr )r r> rZ )r[ r\ r r r] ' s z@AsyncExitStack._create_async_exit_wrapper.._exit_wrapperr )r[ r\ r] r )r[ r\ r _create_async_exit_wrapper% s z)AsyncExitStack._create_async_exit_wrapperc s ^ fdd}|S )Nc s I d H d S )Nr )r r> rZ )r( r_ r) r r r] . s z>AsyncExitStack._create_async_cb_wrapper.._exit_wrapperr )r( r) r] r )r( r_ r) r _create_async_cb_wrapper+ s z'AsyncExitStack._create_async_cb_wrapperc s. t |}|j}||I dH }| || |S )zEnters the supplied async context manager.
If successful, also pushes its __aexit__ method as a callback and
returns the result of the __aenter__ method.
N)r0 r& r% _push_async_cm_exit)r r[ rk rl rm r r r enter_async_context2 s
z"AsyncExitStack.enter_async_contextc C sD t |}y
|j}W n tk
r2 | |d Y nX | || |S )a# Registers a coroutine function with the standard __aexit__ method
signature.
Can suppress exceptions the same way __aexit__ method can.
Also accepts any object with an __aexit__ method (registering a call
to the method instead of the object itself).
F)r0 r& rd re r )r rg rh ri r r r push_async_exit> s
z AsyncExitStack.push_async_exitc O s~ t | dkr| ^}}} n>| s&tdn0d|krB|d}| ^}} ntdt | d |j|f| |}||_||d |S )zfRegisters an arbitrary coroutine function and arguments.
Cannot suppress exceptions.
ro zMdescriptor 'push_async_callback' of 'AsyncExitStack' object needs an argumentr_ zCpush_async_callback expected at least 1 positional argument, got %dr8 F)rp rq rP r rr re )r( r) r r_ r] r r r push_async_callbackP s
z"AsyncExitStack.push_async_callbackc s | dddI dH dS )z%Immediately unwind the context stack.N)r& )r r r r aclosei s zAsyncExitStack.aclosec C s" | ||}||_| |d dS )zLHelper to correctly register coroutine function to __aexit__
method.FN)r rs re )r r[ r\ r] r r r r m s z"AsyncExitStack._push_async_cm_exitc s | S )Nr )r r r r r% t s zAsyncExitStack.__aenter__c s |d d k }t d fdd}d}d}xx| jr| j \}}y0|rR|| }n|| I d H }|rpd}d}d}W q. t } || d |d d}| }Y q.X q.W |ry|d j}
|d W n tk
r |
|d _ Y nX |o|S )Nr r8 c s8 x,| j }||krd S |d ks$| kr&P |} qW || _ d S )N)rv )rw rx ry )rz r r r{ } s z8AsyncExitStack.__aexit__.._fix_exception_contextFT)NNN)r; r< ra rP rv rD ) r r} r~ r{ r r rt r cb_suppressr r r )rz r r& w s8
zAsyncExitStack.__aexit__N)r r r r! ru r r r r r r r r% r& r r r r r
s c @ s* e Zd ZdZd ddZdd Zdd ZdS )
r aO Context manager that does no additional processing.
Used as a stand-in for a normal context manager, when a particular
block of code is only sometimes used with a normal context manager:
cm = optional_cm if condition else nullcontext()
with cm:
# Perform operation, using optional_cm if condition is True
Nc C s
|| _ d S )N) enter_result)r r r r r r2 s znullcontext.__init__c C s | j S )N)r )r r r r r s znullcontext.__enter__c G s d S )Nr )r excinfor r r r s znullcontext.__exit__)N)r r r r! r2 r r r r r r r s
) r! r" r; r collectionsr functoolsr __all__ABCr r objectr r- r3 r? r r r rI r
r r rY r r
r r r r r s<
B -!! `E