U ؒ]!@s|dZddlmZmZddlmZddlmZmZddlm Z m Z m Z ddl Z efZ dddZdd d Zdd d Zd dZdS)z!Verify interface implementations )BrokenImplementationDoesNotImplement)BrokenMethodImplementation) FunctionType MethodType) fromMethod fromFunctionMethodNc Cs`|dkr|j}n|j}|s*||s*t||dD]$\}}zt||}Wn4tk rt|tsr|dkrrYq4t||YnXt|tsq4t|t rt j ddkrt|t r|dkrt |||dd}nt |||d}nXt|trt |jt krt|||}n.t|tr|dkrq4nt|s4t|dq4|}|}t||} | r4t|| q4dS) aVerify that 'candidate' might correctly implements 'iface'. This involves: o Making sure the candidate defines all the necessary methods o Making sure the methods have the correct signature o Making sure the candidate asserts that it implements the interface Note that this isn't the same as verifying that the class does implement the interface. If optional tentative is true, suppress the "is implemented by" test. cr)nameZimlevel)r z Not a methodT)Z implementedByZ providedByrZnamesAndDescriptionsgetattrAttributeError isinstancer rrsys version_infotyper MethodTypes__func__rpropertycallablerZgetSignatureInfo _incompat) iface candidate tentativevtypeZtesterr ZdescattrmethZmessr7/usr/lib/python3/dist-packages/zope/interface/verify.py_verifysF         r!cCst|||ddS)Nr rr!rrrrrr verifyClasshsr%cCst|||ddS)Nor"r#r$rrr verifyObjectksr'cCslt|dt|dkrdSt|dt|dkr@|ds@dS|drT|dsTdS|drh|dshdSdS) Nrequiredz*implementation requires too many argumentsZ positionalZvarargsz-implementation doesn't allow enough argumentskwargsz0implementation doesn't support keyword argumentsz1implementation doesn't support variable arguments)len)r(Z implementedrrr rnsr)rN)r)r)__doc__Zzope.interface.exceptionsrrrtypesrrZzope.interface.interfacerrr rrr!r%r'rrrrr s  M