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f d( „ ƒ YZ! d e! f d) „ ƒ YZ" d e f d* „ ƒ YZ# d S(- sA contextlib2 - backports and enhancements to the contextlib moduleiÿÿÿÿN( t deque( t wrapst contextmanagert closingt nullcontextt AbstractContextManagert ContextDecoratort ExitStackt redirect_stdoutt redirect_stderrt suppresst ContextStacki i i t ABCt __slots__c C sB | | k r d S| j | ƒ x | j D] } t | | ƒ q' W| S( N( t appendt __bases__t _classic_mro( t Ct resultt B( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR s
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c B s8 e Z d Z d „ Z e j d „ ƒ Z e d „ ƒ Z RS( s, An abstract base class for context managers.c C s | S( s0 Return `self` upon entering the runtime context.( ( t self( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt __enter__8 s c C s d S( s9 Raise any exception triggered within the runtime context.N( R ( R t exc_typet exc_valuet traceback( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt __exit__< s c C s | t k r t | d d ƒ St S( s< Check whether subclass is considered a subclass of this ABC.R R$ ( R R R ( t clsR ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt __subclasshook__A s ( t __name__t
__module__t __doc__R t abct abstractmethodR$ t classmethodR& ( ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR 5 s c B s) e Z d Z d „ Z d „ Z d „ Z RS( sJ A base class or mixin that enables context managers to work as decorators.c C s t j d t ƒ | j ƒ S( sÁ Returns the context manager used to actually wrap the call to the
decorated function.
The default implementation just returns *self*.
Overriding this method allows otherwise one-shot context managers
like _GeneratorContextManager to support use as decorators via
implicit recreation.
DEPRECATED: refresh_cm was never added to the standard library's
ContextDecorator API
s2 refresh_cm was never added to the standard library( t warningst warnt DeprecationWarningt _recreate_cm( R ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt
refresh_cmL s
c C s | S( s6 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.
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c s" t ˆ ƒ ‡ ‡ f d † ƒ } | S( Nc s$ ˆ j ƒ ˆ | | Ž SWd QXd S( N( R0 ( t argst kwds( t funcR ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt innerj s
( R ( R R4 R5 ( ( R4 R s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt __call__i s ( R' R( R) R1 R0 R6 ( ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR I s t _GeneratorContextManagerc B s2 e Z d Z d „ Z d „ Z d „ Z d „ Z RS( s% Helper for @contextmanager decorator.c C sl | | | Ž | _ | | | | _ | _ | _ t | d d ƒ } | d k r_ t | ƒ j } n | | _ d S( NR) ( t genR4 R2 R3 t getattrR t typeR) ( R R4 R2 R3 t doc( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt __init__t s c C s | j | j | j | j ƒ S( N( t __class__R4 R2 R3 ( R ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR0 ‚ s c C s5 y t | j ƒ SWn t k
r0 t d ƒ ‚ n Xd S( Ns generator didn't yield( t nextR8 t
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c C s | d k rA y t | j ƒ Wn t k
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c s t ˆ ƒ ‡ f d † ƒ } | S( sÜ @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 ˆ | | ƒ S( N( R7 ( R2 R3 ( R4 ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt helperÕ s ( R ( R4 RI ( ( R4 s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR ¹ s c B s) e Z d Z d „ Z d „ Z d „ Z RS( s2 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
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new_target( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR< ú s c C s9 | j j t t | j ƒ ƒ t t | j | j ƒ | j S( N( RN R R9 RE t _streamt setattrRM ( R ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR ÿ s c C s t t | j | j j ƒ ƒ d S( N( RQ RE RP RN t pop( R t exctypet excinstt exctb( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR$ s N( R' R( R RP R< R R$ ( ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyRL ö s c B s e Z d Z d Z RS( sA 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)
t stdout( R' R( R) RP ( ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR s c B s e Z d Z d Z RS( sC Context manager for temporarily redirecting stderr to another file.t stderr( R' R( R) RP ( ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR s c B s) e Z d Z d „ Z d „ Z d „ Z RS( s? 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
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exceptions( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR< ) s c C s d S( N( ( R ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR , s c C s | d k o t | | j ƒ S( N( R t
issubclassRX ( R RS RT RU ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR$ / s
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s i c s ‡ f d † } | S( Nc sO x? | j } | | k r d S| d k s4 | ˆ k r8 Pn | } q W| | _ d S( N( t __context__R ( t new_exct old_exct exc_context( t frame_exc( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt _fix_exception_context@ s
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BaseException( t exc_detailst fixed_ctx( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt _reraise_with_existing_contextO s
c C s d „ S( Nc S s d S( N( R ( R\ R] ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt [ t ( ( R_ ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyRa Z s c B s | \ } } } d d Ud S( Ns! raise exc_type, exc_value, exc_tb( ( Rc R! R" t exc_tb( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyRe _ s ( t InstanceTypec C s# t | ƒ } | t k r | j S| S( N( R: Ri R= ( t objt obj_type( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt _get_typek s c B s_ e Z d Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z
d „ Z RS(
s‹ 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 t ƒ | _ d S( N( R t _exit_callbacks( R ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR< s c C s+ t | ƒ ƒ } | j | _ t ƒ | _ | S( s? Preserve the context stack by transferring it to a new instance( R: Rm R ( R t new_stack( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt pop_all‚ s c s, ‡ ‡ f d † } ˆ | _ | j | ƒ d S( s: Helper to correctly register callbacks to __exit__ methodsc s
ˆ ˆ | Œ S( N( ( Rc ( t cmt cm_exit( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt
_exit_wrapper‹ s N( t __self__t push( R Rp Rq Rr ( ( Rp Rq s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt
_push_cm_exit‰ s c C sQ t | ƒ } y
| j } Wn! t k
r< | j j | ƒ n X| j | | ƒ | S( s Registers a callback with the standard __exit__ method signature
Can suppress exceptions the same way __exit__ methods can.
Also accepts any object with an __exit__ method (registering a call
to the method instead of the object itself)
( Rl R$ R Rm R Ru ( R t exitt _cb_typet exit_method( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyRt s
c s/ ‡ ‡ ‡ f d † } ˆ | _ | j | ƒ ˆ S( s\ Registers an arbitrary callback and arguments.
Cannot suppress exceptions.
c s ˆ ˆ ˆ Ž d S( N( ( R! RH t tb( R2 t callbackR3 ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyRr © s ( t __wrapped__Rt ( R Rz R2 R3 Rr ( ( R2 Rz R3 s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyRz ¤ s
c C s8 t | ƒ } | j } | j | ƒ } | j | | ƒ | S( sª Enters the supplied context manager
If successful, also pushes its __exit__ method as a callback and
returns the result of the __enter__ method.
( Rl R$ R Ru ( R Rp t _cm_typet _exitR ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt
enter_context± s
c C s | j d d d ƒ d S( s$ Immediately unwind the context stackN( R$ R ( R ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyRK ¾ s c C s | S( N( ( R ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR  s c G sÐ | d d k } t j ƒ d } t | ƒ } t } t } xx | j r² | j j ƒ } y% | | Œ rw t } t } d } n Wq; t j ƒ } | | d | d ƒ t } | } q; Xq; W| rÆ t | ƒ n | oÏ | S( Ni i ( NNN( R RE RF Ra RB Rm RR R Re ( R Rc t received_excR_ R` t suppressed_exct
pending_raiset cbt new_exc_details( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR$ Å s(
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c B s2 e Z d Z d „ Z d „ Z d „ Z d „ Z RS( s+ Backwards compatibility alias for ExitStackc C s' t j d t ƒ t t | ƒ j ƒ d S( Ns* ContextStack has been renamed to ExitStack( R- R. R/ t superR R< ( R ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR< ç s c C s
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register_exitì s c O s | j | | | Ž S( N( Rz ( R Rz R2 R3 ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt registerï s c C s
| j ƒ S( N( Ro ( R ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyt preserveò s ( R' R( R) R< R… R† R‡ ( ( ( s† /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/contextlib2.pyR ä s
c B s, e Z d Z d d „ Z d „ Z d „ Z RS( sM 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
c C s
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