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Z d � Z d f d � � YZ d e f d � � YZ d e f d! � � YZ d e f d" � � YZ d S(# s/ Base classes for server/gateway implementationsi����( t
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text/plains; A server error occurred. Please contact the administrator.c C sc y0 | j � | | j | j � | _ | j � Wn, y | j � Wq_ | j � � q_ Xn Xd S( s Invoke the applicationN( t
setup_environt environt start_responset resultt finish_responset handle_errort close( t selft application( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyt runL s
c C s� | j j � } | _ | j � | j � | d <| j � | d <| j | d <| j | d <| j � | d <| j | d <| j
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S( s& Set up the environment for one requests
wsgi.inputs wsgi.errorss wsgi.versions
wsgi.run_onces wsgi.url_schemes wsgi.multithreads wsgi.multiprocesss wsgi.file_wrappert SERVER_SOFTWAREN( t
os_environt copyR1 t add_cgi_varst get_stdint
get_stderrt wsgi_versiont
wsgi_run_oncet
get_schemet wsgi_multithreadt wsgi_multiprocesst wsgi_file_wrappert Nonet
origin_servert server_softwaret
setdefault( R7 t env( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyR0 ` s
c C s^ zL | j � s | j � rK x | j D] } | j | � q' W| j � n Wd | j � Xd S( s> Send any iterable data, then close self and the iterable
Subclasses intended for use in asynchronous servers will
want to redefine this method, such that it sets up callbacks
in the event loop to iterate over the data, and to call
'self.close()' once the response is finished.
N( t result_is_filet sendfileR3 t writet finish_contentR6 ( R7 t data( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyR4 u s c C s
t | j � S( s Return the URL scheme being used( R R1 ( R7 ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyRB � s c C sZ y t | j � } Wn t t t f k
r/ n' X| d k rV t | j � | j d <d Sd S( s@ Compute Content-Length or switch to chunked encoding if possiblei s Content-LengthN( t lenR3 t TypeErrort AttributeErrort NotImplementedErrort strt
bytes_sentt headers( R7 t blocks( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyt set_content_length� s c C s d | j k r | j � n d S( sq Make any necessary header changes or defaults
Subclasses can extend this to add other defaults.
s Content-LengthN( RV RX ( R7 ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyt cleanup_headers� s c C s{ | r; z( | j r- | d | d | d � n Wd d } Xn | j d k rY t d � � n | | _ | j | � | _ | j S( s3 'start_response()' callable as specified by PEP 333i i i Ns Headers already set!( t headers_sentRF RV t AssertionErrort statust
headers_classRM ( R7 R\ RV t exc_info( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyR2 � s
c C s� | j r� | j � r� | j d | j | j f � d | j k ra | j d t t j � � � n | j r� d | j k r� | j d | j � q� q� n | j d | j � d S( s6 Transmit version/status/date/server, via self._write()s HTTP/%s %s
t Dates
Date: %s
t Servers Server: %s
s Status: %s
N( RG t client_is_modernt _writet http_versionR\ RV R/ R! RH ( R7 ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyt
send_preamble� s c C sm | j s t d � � n: | j s= t | � | _ | j � n | j t | � 7_ | j | � | j � d S( s* 'write()' callable as specified by PEP 333s write() before start_response()N( R\ R[ RZ RP RU t send_headersRb t _flush( R7 RO ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyRM � s
c C s t S( s Platform-specific file transmission
Override this method in subclasses to support platform-specific
file transmission. It is only called if the application's
return iterable ('self.result') is an instance of
'self.wsgi_file_wrapper'.
This method should return a true value if it was able to actually
transmit the wrapped file-like object using a platform-specific
approach. It should return a false value if normal iteration
should be used instead. An exception can be raised to indicate
that transmission was attempted, but failed.
NOTE: this method should call 'self.send_headers()' if
'self.headers_sent' is false and it is going to attempt direct
transmission of the file.
( t False( R7 ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyRL � s c C s- | j s) | j j d d � | j � n d S( s. Ensure headers and content have both been sents Content-Lengtht 0N( RZ RV RI Re ( R7 ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyRN � s
c C s^ z& t | j d � r% | j j � n Wd d | _ | _ | _ | _ d | _ t | _ Xd S( s� Close the iterable (if needed) and reset all instance vars
Subclasses may want to also drop the client connection.
R6 Ni (
t hasattrR3 R6 RF RV R\ R1 RU Rg RZ ( R7 ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyR6 � s c C sP | j � t | _ | j s) | j � rL | j � | j t | j � � n d S( s1 Transmit headers to the client, via self._write()N( RY t TrueRZ RG Ra Rd Rb RT RV ( R7 ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyRe s
c C s% | j } | d k o$ t | j | � S( s@ True if 'self.result' is an instance of 'self.wsgi_file_wrapper'N( RE RF t
isinstanceR3 ( R7 t wrapper( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyRK s c C s | j d j � d k S( s, True if client can accept status and headerst SERVER_PROTOCOLs HTTP/0.9( R1 t upper( R7 ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyRa s c C s] zO d d l m } | j � } | | d | d | d | j | � | j � Wd d } Xd S( s� Log the 'exc_info' tuple in the server log
Subclasses may override to retarget the output or change its format.
i����( t print_exceptioni i i N( t tracebackRo R? t traceback_limitt flushRF ( R7 R^ Ro t stderr( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyt
log_exception s
c C sH | j t j � � | j sD | j | j | j � | _ | j � n d S( s> Log current error, and send error output to client if possibleN( Rt t sysR^ RZ t error_outputR1 R2 R3 R4 ( R7 ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyR5 - s c C s' | | j | j t j � � | j g S( sZ WSGI mini-app to create error output
By default, this just uses the 'error_status', 'error_headers',
and 'error_body' attributes to generate an output page. It can
be overridden in a subclass to dynamically generate diagnostics,
choose an appropriate message for the user's preferred language, etc.
Note, however, that it's not recommended from a security perspective to
spit out diagnostics to any old user; ideally, you should have to do
something special to enable diagnostic output, which is why we don't
include any here!
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c C s
t � d S( s Override in subclass to buffer data for send to client
It's okay if this method actually transmits the data; BaseHandler
just separates write and flush operations for greater efficiency
when the underlying system actually has such a distinction.
N( RS ( R7 RO ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyRb H s c C s
t � d S( s� Override in subclass to force sending of recent '_write()' calls
It's okay if this method is a no-op (i.e., if '_write()' actually
sends the data.
N( RS ( R7 ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyRf Q s c C s
t � d S( s4 Override in subclass to return suitable 'wsgi.input'N( RS ( R7 ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyR> Y s c C s
t � d S( s5 Override in subclass to return suitable 'wsgi.errors'N( RS ( R7 ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyR? ] s c C s
t � d S( s> Override in subclass to insert CGI variables in 'self.environ'N( RS ( R7 ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyR= a s ( i i N( s Content-Types
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RS( sq Handler that's just initialized with streams, environment, etc.
This handler subclass is intended for synchronous HTTP/1.0 origin servers,
and handles sending the entire response output, given the correct inputs.
Usage::
handler = SimpleHandler(
inp,out,err,env, multithread=False, multiprocess=True
)
handler.run(app)c C s: | | _ | | _ | | _ | | _ | | _ | | _ d S( N( t stdint stdoutRs t base_envRC RD ( R7 R~ R Rs R1 t multithreadt multiprocess( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyt __init__s s c C s | j S( N( R~ ( R7 ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyR> } s c C s | j S( N( Rs ( R7 ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyR? � s c C s | j j | j � d S( N( R1 t updateR� ( R7 ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyR= � s c C s# | j j | � | j j | _ d S( N( R RM Rb ( R7 RO ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyRb � s c C s | j j � | j j | _ d S( N( R Rr Rf ( R7 ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyRf � s
( Rz R{ R| Rj Rg R� R> R? R= Rb Rf ( ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyR f s c B s e Z d Z e Z RS( s� CGI-like systems using input/output/error streams and environ mapping
Usage::
handler = BaseCGIHandler(inp,out,err,env)
handler.run(app)
This handler class is useful for gateway protocols like ReadyExec and
FastCGI, that have usable input/output/error streams and an environment
mapping. It's also the base class for CGIHandler, which just uses
sys.stdin, os.environ, and so on.
The constructor also takes keyword arguments 'multithread' and
'multiprocess' (defaulting to 'True' and 'False' respectively) to control
the configuration sent to the application. It sets 'origin_server' to
False (to enable CGI-like output), and assumes that 'wsgi.run_once' is
False.
( Rz R{ R| Rg RG ( ( ( s( /usr/lib64/python2.7/wsgiref/handlers.pyR � s c B s# e Z d Z e Z i Z d � Z RS( s� CGI-based invocation via sys.stdin/stdout/stderr and os.environ
Usage::
CGIHandler().run(app)
The difference between this class and BaseCGIHandler is that it always
uses 'wsgi.run_once' of 'True', 'wsgi.multithread' of 'False', and
'wsgi.multiprocess' of 'True'. It does not take any initialization
parameters, but always uses 'sys.stdin', 'os.environ', and friends.
If you need to override any of these parameters, use BaseCGIHandler
instead.
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