3 ]@sddlZddlZddlZddlmZddlmZmZmZmZddl m Z dddd gZ Gd ddZ dd dZ dd dZdd d ZddZedS)N) StrictVersion) PKG_DIRECTORY PY_COMPILED PY_SOURCE PY_FROZEN)BytecodeRequire find_moduleget_module_constantextract_constantc@sHeZdZdZdddZddZdd Zdd d Zdd dZdddZ dS)r z7A prerequisite to building or installing a distributionNcCsF|dkr|dk rt}|dk r0||}|dkr0d}|jjt|`dS)N __version__)r__dict__updatelocalsself)rnamerequested_versionmoduleZhomepage attributeformatr8/tmp/pip-build-8jg9gmni/setuptools/setuptools/depends.py__init__szRequire.__init__cCs |jdk rd|j|jfS|jS)z0Return full package/distribution name, w/versionNz%s-%s)rr)rrrr full_name s zRequire.full_namecCs*|jdkp(|jdkp(t|dko(||jkS)z%Is 'version' sufficiently up-to-date?Nunknown)rrstrr)rversionrrr version_ok&szRequire.version_okrc Cs||jdkrBy"t|j|\}}}|r*|j|Stk r@dSXt|j|j||}|dk rx||k rx|jdk rx|j|S|S)aGet version number of installed module, 'None', or 'default' Search 'paths' for module. If not found, return 'None'. If found, return the extracted version attribute, or 'default' if no version attribute was specified, or the value cannot be determined without importing the module. The version is formatted according to the requirement's version format (if any), unless it is 'None' or the supplied 'default'. N)rr rclose ImportErrorr r)rpathsdefaultfpivrrr get_version+s  zRequire.get_versioncCs|j|dk S)z/Return true if dependency is present on 'paths'N)r()rr"rrr is_presentFszRequire.is_presentcCs |j|}|dkrdS|j|S)z>Return true if dependency is present and up-to-date on 'paths'NF)r(r)rr"rrrr is_currentJs zRequire.is_current)r NN)Nr)N)N) __name__ __module__ __qualname____doc__rrrr(r)r*rrrrr s   c Csl|jd}x\|rf|jd}tj||\}}\}}}} |tkrP|pFdg}|g}q |r td||fq W| S)z7Just like 'imp.find_module()', but with package support.rrzCan't find %r in %s)splitpopimpr rr!) rr"partspartr$pathsuffixmodekindinforrrr Rs   c Csyt||\}}\}}}Wntk r.dSXz|tkrP|jdtj|} n`|tkrdtj|} nL|t kr~t |j|d} n2|t j krtj ||||||ftt j ||dSWd|r|jXt| ||S)zFind 'module' by searching 'paths', and extract 'symbol' Return 'None' if 'module' does not exist on 'paths', or it does not define 'symbol'. If the module defines 'symbol' as a constant, return the constant. Otherwise, return 'default'.Nexec)r r!rreadmarshalloadrr2get_frozen_objectrcompilesysmodules load_modulegetattrr r ) rsymbolr#r"r$r5r6r7r8coderrrr es$     c Cs||jkrdSt|jj|}d}d}d}|}xPt|D]D}|j} |j} | |kr\|j| }q8| |krx| |kst| |krx|S|}q8WdS)aExtract the constant value of 'symbol' from 'code' If the name 'symbol' is bound to a constant value by the Python code object 'code', return that value. If 'symbol' is bound to an expression, return 'default'. Otherwise, return 'None'. Return value is based on the first assignment to 'symbol'. 'symbol' must be a global, or at least a non-"fast" local in the code block. That is, only 'STORE_NAME' and 'STORE_GLOBAL' opcodes are checked, and 'symbol' must be present in 'code.co_names'. NZad)co_nameslistindexropcodearg co_consts) rFrEr#Zname_idx STORE_NAME STORE_GLOBAL LOAD_CONSTconstZ byte_codeoprNrrrr s  cCsDtjjd rtjdkrdSd}x|D]}t|=tj|q&WdS)z Patch the globals to remove the objects not available on some platforms. XXX it'd be better to test assertions about bytecode instead. javacliNr r )r r )rAplatform startswithglobals__all__remove)Z incompatiblerrrr_update_globalss  r\)N)r]Nr])r])rAr2r=Zdistutils.versionrrrrrZ py33compatrrZr r r r r\rrrrs   C  " $