B `@sXddlZddgZejdejdZedZGdddeZGdddeZd d d Z dS) NRange ContentRangezbytes *= *(\d*) *- *(\d*))flagsz'bytes (?:(\d+)-(\d+)|[*])/(?:(\d+)|[*])c@sLeZdZdZddZddZddZdd Zd d Zd d Z e ddZ dS)rz* Represents the Range header. cCs,|dks|dkstd|||_||_dS)NrzBad range end: %r)AssertionErrorstartend)selfrrr W/home/kop/projects/devel/pgwui/test_venv/lib/python3.7/site-packages/webob/byterange.py__init__ szRange.__init__cCs\|dkr dS|j|j}}|dkr6|}|dkr6||7}t|||rTt||}||fSdSdS)z *If* there is only one range, and *if* it is satisfiable by the given length, then return a (start, end) non-inclusive range of bytes to serve. Otherwise return None Nr)rr_is_content_range_validmin)rlengthrrstopr r r range_for_lengths  zRange.range_for_lengthcCs*||}|dkrdSt|d|d|S)a% Works like range_for_length; returns None or a ContentRange object You can use it like:: response.content_range = req.range.content_range(response.content_length) Though it's still up to you to actually serve that content range! Nr)rr)rrranger r r content_range$s zRange.content_rangecCsB|j|j}}|dkr2d|}|dkr.|d7}|Sd||dfS)Nzbytes=%sr-z bytes=%s-%sr)rr)rserr r r __str__3sz Range.__str__cCsd|jj|j|jfS)Nz<%s bytes %r-%r>) __class____name__rr)rr r r __repr__<szRange.__repr__cCst|j|jfS)N)iterrr)rr r r __iter__AszRange.__iter__cCsnt|p d}|sdS|\}}|s6|t| dSt|}|sL||dSt|d}||krddS|||S)zL Parse the header; may return None if header is invalid Nr) _rx_rangematchgroupsint)clsheadermrrr r r parseDs   z Range.parseN) r __module__ __qualname____doc__r rrrrr classmethodr&r r r r rs c@s<eZdZdZddZddZddZdd Zed d Z d S) rz Represents the Content-Range header This header is ``start-stop/length``, where start-stop and length can be ``*`` (represented as None in the attributes). cCs4t|||std|||f||_||_||_dS)NzBad start:stop/length: %r-%r/%r)r ValueErrorrrr)rrrrr r r r as  zContentRange.__init__cCsd|jj|fS)Nz<%s %s>)rr)rr r r riszContentRange.__repr__cCsP|jdkrd}n|j}|jdkr6|jdks.td|S|jd}d|j||fS)N*z bytes */%srzbytes %s-%s/%s)rrrr)rrrr r r rls   zContentRange.__str__cCst|j|j|jgS)zs Mostly so you can unpack this, like: start, stop, length = res.content_range )rrrr)rr r r rwszContentRange.__iter__cCsht|p d}|sdS|\}}}|rs  Q9