ó þ™xTc@ sSddlmZddlmZddd„ƒYZdd d„ƒYZeƒZdS( iÿÿÿÿ(tdivision(tLoadFormatClassest _RegistrycB s;eZdZd„Zd„Zd„Zd„Zd„ZRS(s°A class to handle all of the recognised image formats within xia2 working towards the generalization project in #1555 and specifically to address the requirements in #1573.cC sg|_t|_dS(srSet myself up - N.B. this could trigger a directory search for different Format classes to auto-register them.N(t_formatstFalset_setup(tself((sC/public2/ftp/pub/ccp4/6.5/ccp4-6.5/lib/py2/dxtbx/format/Registry.pyt__init__s  cC s!|jr dStƒt|_dS(sÄLook to import format defining modules from around the place - this will look in dxtbx/format and $HOME/.xia2/ for files starting with Format and ending in .py to allow user extensibility.N(RRtTrue(R((sC/public2/ftp/pub/ccp4/6.5/ccp4-6.5/lib/py2/dxtbx/format/Registry.pytsetups   cC sKddlm}t||ƒs%t‚||jkrG|jj|ƒndS(syRegister a new image format with the registry. N.B. to work this object must be inherited from the base Format class.iÿÿÿÿ(tFormatN(tdxtbx.format.FormatR t issubclasstAssertionErrorRtappend(RtformatR ((sC/public2/ftp/pub/ccp4/6.5/ccp4-6.5/lib/py2/dxtbx/format/Registry.pytadd-s cC s t|jƒS(s,Get a list of image formats registered here.(ttupleR(R((sC/public2/ftp/pub/ccp4/6.5/ccp4-6.5/lib/py2/dxtbx/format/Registry.pytget9sc sZ|jƒ‡fd†‰x-|jD]"}|j|ƒr#ˆ||ƒSq#Wtd|‚dS(sMore useful - find the best format handler in the registry for your image file. N.B. this is in principle a factory function.c s4x-|jD]"}|j|ƒr ˆ||ƒSq W|S(N(t _childrent understand(Rt image_filetchild(trecurse(sC/public2/ftp/pub/ccp4/6.5/ccp4-6.5/lib/py2/dxtbx/format/Registry.pyRGssno format support found for %sN(R RRtIOError(RRR((RsC/public2/ftp/pub/ccp4/6.5/ccp4-6.5/lib/py2/dxtbx/format/Registry.pytfind>s  (t__name__t __module__t__doc__RR RRR(((sC/public2/ftp/pub/ccp4/6.5/ccp4-6.5/lib/py2/dxtbx/format/Registry.pyRs   tRegistrycB s8eZdZdZd„Zd„Zd„Zd„ZRS(sÅA class to turn the registry above into a singleton, so that we can work around some of the more knotty dependency loops which come out of things like this. This is something of a boiler plate.cC s"tjdkrtƒt_ndS(N(Rt_Registry__instancetNoneR(R((sC/public2/ftp/pub/ccp4/6.5/ccp4-6.5/lib/py2/dxtbx/format/Registry.pyRZscC s|S(N((R((sC/public2/ftp/pub/ccp4/6.5/ccp4-6.5/lib/py2/dxtbx/format/Registry.pyt__call__`scC st|j|ƒS(N(tgetattrR(Rtattr((sC/public2/ftp/pub/ccp4/6.5/ccp4-6.5/lib/py2/dxtbx/format/Registry.pyt __getattr__cscC st|j||ƒS(N(tsetattrR(RR"tvalue((sC/public2/ftp/pub/ccp4/6.5/ccp4-6.5/lib/py2/dxtbx/format/Registry.pyt __setattr__fsN( RRRRRRR R#R&(((sC/public2/ftp/pub/ccp4/6.5/ccp4-6.5/lib/py2/dxtbx/format/Registry.pyRSs    N(((t __future__RtRegistryHelpersRRR(((sC/public2/ftp/pub/ccp4/6.5/ccp4-6.5/lib/py2/dxtbx/format/Registry.pyt sC