o U h@sdZddlZddlZddlZddlZddlmZmZmZm Z m Z gdZ Gddde Z GdddZGd d d Zd eed ee eeeffd dZdS)zGProvides an object-oriented model for handling :pep:`376` RECORD files.N)IterableIteratorOptionalTuplecast)Hash RecordEntryInvalidRecordEntryparse_record_filecs(eZdZdZfddZddZZS)r zPRaised when a RecordEntry is not valid, due to improper element values or count.cs"td|||_||_dS)Nz, )super__init__joinissueselements)selfrr __class__e/var/www/html/construction_image-detection-poc/venv/lib/python3.10/site-packages/installer/records.pyr s zInvalidRecordEntry.__init__cCsd|j|jS)Nz.InvalidRecordEntry(elements={!r}, issues={!r}))formatrrrrrr__repr__szInvalidRecordEntry.__repr__)__name__ __module__ __qualname____doc__r r __classcell__rrrrr s r c@sreZdZdZdededdfddZdefdd Zdefd d Zd d Zde de fddZ e deddfddZ dS)rz/Represents the "hash" element of a RecordEntry.namevaluereturnNcCs||_||_dS)aConstruct a ``Hash`` object. Most consumers should use :py:meth:`Hash.parse` instead, since no validation or parsing is performed by this constructor. :param name: name of the hash function :param value: hashed value Nrr)rrrrrrr "s z Hash.__init__cCs|jd|jS)N=r rrrr__str__.sz Hash.__str__cCsd|jd|jdS)Nz Hash(name=z, value=)r rrrrr1sz Hash.__repr__cCs&t|tstS|j|jko|j|jkSN) isinstancerNotImplementedrrrotherrrr__eq__4s z Hash.__eq__datacCs2t|j|}t|dd}|j|kS)zValidate that ``data`` matches this instance. :param data: Contents of the file. :return: Whether ``data`` matches the hashed value. asciir!) hashlibnewrdigestbase64urlsafe_b64encodedecoderstripr)rr*r.rrrrvalidate9s z Hash.validatehcCs|dd\}}|||S)a<Build a Hash object, from a "name=value" string. This accepts a string of the format for the second element in a record, as described in :pep:`376`. Typical usage:: Hash.parse("sha256=Y0sCextp4SQtQNU-MSs7SsdxD1W-gfKJtUlEbvZ3i-4") :param h: a name=value string r!)split)clsr4rrrrrparseCs z Hash.parse)rrrrstrr r"rr)bytesboolr3 classmethodr8rrrrrs  rc seZdZdZdedeedeeddffdd Zdd eede eeeffd d Z defd d Z ddZ de defddZededededdfddZZS)rzRepresents a single record in a RECORD file. A list of :py:class:`RecordEntry` objects fully represents a RECORD file. pathhash_sizerNcs t||_||_||_dS)a=Construct a ``RecordEntry`` object. Most consumers should use :py:meth:`RecordEntry.from_elements`, since no validation or parsing is performed by this constructor. :param path: file's path :param hash\_: hash of the file's contents :param size: file's size in bytes N)r r r=r>r?)rr=r>r?rrrr Zs  zRecordEntry.__init__ path_prefixcCsh|dur|ds J||j}n|j}tjdkr|dd}|t|jp%d|jdur1t|jfSdfS)zConvert this into a 3-element tuple that can be written in a RECORD file. :param path_prefix: A prefix to attach to the path -- must end in `/` :return: a (path, hash, size) row N/\)endswithr=ossepreplacer9r>r?)rr@r=rrrto_rowjs    zRecordEntry.to_rowcCsd|j|j|jS)Nz-RecordEntry(path={!r}, hash_={!r}, size={!r}))rr=r>r?rrrrrs zRecordEntry.__repr__cCs2t|tstS|j|jko|j|jko|j|jkSr$)r%rr&r=r>r?r'rrrr)s    zRecordEntry.__eq__r*cCs2|jdurt||jkrdS|jr|j|SdS)zValidate that ``data`` matches this instance. :param data: Contents of the file corresponding to this instance. :return: whether ``data`` matches hash and size. NFT)r?lenr>r3)rr*rrrr3s  zRecordEntry.validatecCsg}|s |d|r!zt|}Wnty |dYnwd}|r:zt|}Wnty9|dYnwd}|rGt|||f|d||||dS)aBuild a RecordEntry object, from values of the elements. Typical usage:: for row in parse_record_file(f): record = RecordEntry.from_elements(row[0], row[1], row[2]) Meaning of each element is specified in :pep:`376`. :param path: first element (file's path) :param hash\_: second element (hash of the file's contents) :param size: third element (file's size in bytes) :raises InvalidRecordEntry: if any element is invalid z`path` cannot be emptyz*`hash` does not follow the required formatNz`size` cannot be non-integerrr)r=r>r?)appendrr8 ValueErrorintr )r7r=r>r?r hash_value size_valuerrr from_elementss(    zRecordEntry.from_elementsr$)rrrrr9rrrMr rrHrr)r:r;r3r<rPrrrrrrTs&" $rrowsrccstj|dddd}t|D]2\}}t|dkr'd|t|}t||gd|dd d |d<ttt t t ft |}|Vqd S) zParse a :pep:`376` RECORD. Returns an iterable of 3-value tuples, that can be passed to :any:`RecordEntry.from_elements`. :param rows: iterator providing lines of a RECORD (no trailing newlines). ," ) delimiter quotecharlineterminatorz)Row Index {}: expected 3 elements, got {}rJrrBrAN) csvreader enumeraterIrr rGrrr9tuple)rQrZ row_indexrmessagerrrrr s r )rr/rYr,rEtypingrrrrr__all__ Exceptionr rrr9r rrrrs5(t