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„ Z d „ Z d d d „ Z d f d „ ƒ YZ d „ Z e d j o e ƒ n d S( s‘ Functions that read and write gzipped files.
The user of the file doesn't have to worry about the compression,
but random access is not allowed.iÿÿÿÿNt GzipFilet openi i i i i c C s | d j o | d 7} n | S( s‹ Return i as an unsigned integer, assuming it fits in 32 bits.
If it's >= 2GB when viewed as a 32-bit unsigned int, return a long.
i l i l ( ( t i( ( s /usr/local/lib/python2.5/gzip.pyt U32 s
c C s | d @S( s> Return the low-order 32 bits of an int, as a non-negative int.l ÿÿ ( ( R ( ( s /usr/local/lib/python2.5/gzip.pyt LOWU32 s c C s | i t i d | ƒ ƒ d S( Ns <l( t writet structt pack( t outputt value( ( s /usr/local/lib/python2.5/gzip.pyt write32 s c C s | i t i d | ƒ ƒ d S( Ns <L( R R R ( R R ( ( s /usr/local/lib/python2.5/gzip.pyt write32u" s c C s t i d | i d ƒ ƒ d S( Ns <li i ( R t unpackt read( t input( ( s /usr/local/lib/python2.5/gzip.pyt read32' s t rbi c C s t | | | ƒ S( sŸ Shorthand for GzipFile(filename, mode, compresslevel).
The filename argument is required; mode defaults to 'rb'
and compresslevel defaults to 9.
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compresslevel( ( s /usr/local/lib/python2.5/gzip.pyR * s c B s e Z d Z d Z d! Z d d d d d „ Z d „ Z d „ Z d „ Z d „ Z
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„ Z d d „ Z d „ Z d „ Z d „ Z d „ Z e i d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d d „ Z d d „ Z d „ Z d „ Z d „ Z RS(" sˆ The GzipFile class simulates most of the methods of a file object with
the exception of the readinto() and truncate() methods.
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‚ | | _ d | _ | i t j o | i ƒ n d S( sA Constructor for the GzipFile class.
At least one of fileobj and filename must be given a
non-trivial value.
The new class instance is based on fileobj, which can be a regular
file, a StringIO object, or any other object which simulates a file.
It defaults to None, in which case filename is opened to provide
a file object.
When fileobj is not None, the filename argument is only used to be
included in the gzip file header, which may includes the original
filename of the uncompressed file. It defaults to the filename of
fileobj, if discernible; otherwise, it defaults to the empty string,
and in this case the original filename is not included in the header.
The mode argument can be any of 'r', 'rb', 'a', 'ab', 'w', or 'wb',
depending on whether the file will be read or written. The default
is the mode of fileobj if discernible; otherwise, the default is 'rb'.
Be aware that only the 'rb', 'ab', and 'wb' values should be used
for cross-platform portability.
The compresslevel argument is an integer from 1 to 9 controlling the
level of compression; 1 is fastest and produces the least compression,
and 9 is slowest and produces the most compression. The default is 9.
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| ƒ } | d j o3 | i i ƒ } | i ƒ | i | ƒ t d ‚ n | i i | ƒ } | i | ƒ | i i d j o; | i i t | i i ƒ d d ƒ | i ƒ t | _ n d S( Ns Reached EOFi i R i i ( R- R RW R t tellt seekRE RN R& t
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| i i ƒ S( s¥ Invoke the underlying file object's fileno() method.
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doesn't support fileno().
( R- t fileno( R0 ( ( s /usr/local/lib/python2.5/gzip.pyRl ] s c C s t S( N( R` ( R0 ( ( s /usr/local/lib/python2.5/gzip.pyt isattye s c C s | i S( N( R. ( R0 ( ( s /usr/local/lib/python2.5/gzip.pyR\ h s c C sX | i t j o t d ƒ ‚ n | i i d ƒ t | _ d | _ d | _ d | _ d S( s[ Return the uncompressed stream file position indicator to the
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