3
ReF @ s d dl mZ d dlZd dlmZmZmZ d dlmZm Z m
Z
d dl m Z d dl
mZ erd dlmZmZmZmZmZ d dlmZ erd d lmZ n d d
lmZ d Zd d d
gZG dd deZG dd deZ dS ) )absolute_importN) iteritemsiterkeys
itervalues) HashMismatch HashMissingInstallationError) read_chunks)MYPY_CHECK_RUNNING)DictListBinaryIONoReturnIterator)PY3)_Hash)_hashsha256sha384sha512c @ sf e Zd ZdZdddZdd Zedd Zd d
Zd d Z d
d Z
dd Z dd Z dd Z
dd ZdS )HasheszaA wrapper that builds multiple hashes at once and checks them against
known-good values
Nc C s |dkr i n|| _ dS )zo
:param hashes: A dict of algorithm names pointing to lists of allowed
hex digests
N)_allowed)selfhashes r /builddir/build/BUILDROOT/alt-python36-pip-20.2.4-5.el8.x86_64/opt/alt/python36/lib/python3.6/site-packages/pip/_internal/utils/hashes.py__init__) s zHashes.__init__c sf t |tstS |sS s |S i }x:t|jD ],\ } jkrBq. fdd|D | < q.W t|S )Nc s g | ]}|j kr|qS r )r ).0v)algr r r
B s z"Hashes.__and__..)
isinstancer NotImplementedr r )r othernewvaluesr )r r r __and__1 s
zHashes.__and__c C s t dd | jj D S )Nc s s | ]}t |V qd S )N)len)r digestsr r r H s z&Hashes.digest_count..)sumr r% )r r r r digest_countE s zHashes.digest_countc C s || j j|g kS )z/Return whether the given hex digest is allowed.)r get)r hash_name
hex_digestr r r is_hash_allowedJ s zHashes.is_hash_allowedc
C s i }xLt | jD ]>}ytj|||< W q ttfk
rL tdj|Y qX qW x(|D ] }xt|D ]}|j | qfW qXW x*t
|D ] \}}|j | j| krdS qW | j | dS )zCheck good hashes against ones built from iterable of chunks of
data.
Raise HashMismatch if none match.
zUnknown hash name: {}N)
r r hashlibr$
ValueError TypeErrorr formatr updater hexdigest_raise)r chunksgotsr- chunkhashgotr r r check_against_chunksS s
zHashes.check_against_chunksc C s t | j|d S )N)r r )r r8 r r r r6 m s z
Hashes._raisec C s | j t|S )zaCheck good hashes against a file-like object
Raise HashMismatch if none match.
)r< r )r filer r r check_against_fileq s zHashes.check_against_filec C s t |d }| j|S Q R X d S )Nrb)openr> )r pathr= r r r check_against_pathz s zHashes.check_against_pathc C s
t | jS )z,Return whether I know any known-good hashes.)boolr )r r r r __nonzero__ s zHashes.__nonzero__c C s | j S )N)rD )r r r r __bool__ s zHashes.__bool__)N)__name__
__module__ __qualname____doc__r r& propertyr+ r/ r< r6 r> rB rD rE r r r r r $ s
r c s( e Zd ZdZ fddZdd Z ZS )
MissingHasheszA workalike for Hashes used when we're missing a hash for a requirement
It computes the actual hash of the requirement and raises a HashMissing
exception showing it to the user.
c s t t| jtg id dS )z!Don't offer the ``hashes`` kwarg.)r N)superrK r
FAVORITE_HASH)r ) __class__r r r s zMissingHashes.__init__c C s t |t j d S )N)r rM r5 )r r8 r r r r6 s zMissingHashes._raise)rF rG rH rI r r6
__classcell__r r )rN r rK s rK )
__future__r r0 Zpip._vendor.sixr r r pip._internal.exceptionsr r r pip._internal.utils.miscr pip._internal.utils.typingr
typingr r r
r r r r r rM
STRONG_HASHESobjectr rK r r r r s
e