Convenience hashing facilities.
*Latest release 20240412*:
* BaseHashCode.hashclass(hashname): fall back to looking for blake3 from the blake3 module.
* BaseHashCode: new get_hashfunc(hashname) static method.
## Class `BaseHashCode(builtins.bytes)`
Base class for hashcodes, subclassed by `SHA1`, `SHA256` et al.
You can obtain the class for a particular hasher by name, example:
SHA256 = BaseHashCode.hashclass('sha256')
*Method `BaseHashCode.__str__(self)`*:
Return `f'{self.hashname}:{self.hex()}'`.
*Method `BaseHashCode.from_buffer(bfr: cs.buffer.CornuCopyBuffer)`*:
Compute hashcode from the contents of the `CornuCopyBuffer` `bfr`.
*Method `BaseHashCode.from_data(bs)`*:
Compute hashcode from the data `bs`.
*Method `BaseHashCode.from_fspath(fspath, **kw)`*:
Compute hashcode from the contents of the file `fspath`.
*Method `BaseHashCode.from_hashbytes(hashbytes)`*:
Factory function returning a `BaseHashCode` object from the hash bytes.
*Method `BaseHashCode.from_hashbytes_hex(hashhex: str)`*:
Factory function returning a `BaseHashCode` object
from the hash bytes hex text.
*Method `BaseHashCode.from_named_hashbytes_hex(hashname, hashhex)`*:
Factory function to return a `HashCode` object
from the hash type name and the hash bytes hex text.
*Method `BaseHashCode.from_prefixed_hashbytes_hex(hashtext: str)`*:
Factory function returning a `BaseHashCode` object
from the hash bytes hex text prefixed by the hashname.
This is the reverse of `__str__`.
*Method `BaseHashCode.get_hashfunc(hashname: str)`*:
Fetch the hash function implied by `hashname`.
*Method `BaseHashCode.hashclass(hashname: str, hashfunc=None, **kw)`*:
Return the class for the hash function named `hashname`.
Parameters:
* `hashname`: the name of the hash function
* `hashfunc`: optional hash function for the class
*Property `BaseHashCode.hashname`*:
The hash code type name, derived from the class name.
*Method `BaseHashCode.hex(self) -> str`*:
Return the hashcode bytes transcribes as a hexadecimal ASCII `str`.
*Method `BaseHashCode.promote(obj)`*:
Promote to a `BaseHashCode` instance.
## Class `MD5(BaseHashCode)`
Hash class for the 'md5' algorithm.
*`MD5.hashfunc`*
## Class `SHA1(BaseHashCode)`
Hash class for the 'sha1' algorithm.
*`SHA1.hashfunc`*
## Class `SHA224(BaseHashCode)`
Hash class for the 'sha224' algorithm.
*`SHA224.hashfunc`*
## Class `SHA256(BaseHashCode)`
Hash class for the 'sha256' algorithm.
*`SHA256.hashfunc`*
## Class `SHA384(BaseHashCode)`
Hash class for the 'sha384' algorithm.
*`SHA384.hashfunc`*
## Class `SHA512(BaseHashCode)`
Hash class for the 'sha512' algorithm.
*`SHA512.hashfunc`*
# Release Log
*Release 20240412*:
* BaseHashCode.hashclass(hashname): fall back to looking for blake3 from the blake3 module.
* BaseHashCode: new get_hashfunc(hashname) static method.
*Release 20240316*:
Fixed release upload artifacts.
*Release 20240211*:
Initial PyPI release: BaseHashCode(bytes) and subclasses for various hash algorithms.
Raw data
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