| > C C CC C C C C C $ $ $$ $ $ $ $r r c * e Zd ZdZd Zd Zd Zd ZdS )r z6Defines an interface to create objects in the databasec d | _ d S r _ostream)r argskwargss r __init__zObjectDBW.__init__F s
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Adjusts the stream to which all data should be sent when storing new objects
:param stream: if not None, the stream to use, if None the default stream
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:raise TypeError: if the stream doesn't have the supported functionalityr1 )r r# cstreams r set_ostreamzObjectDBW.set_ostreamJ s -
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Return the output stream
:return: overridden output stream this instance will write to, or None
if it will write to the default streamr1 r% s r ostreamzObjectDBW.ostreamV s } r c t d )a
Create a new object in the database
:return: the input istream object with its sha set to its corresponding value
:param istream: IStream compatible instance. If its sha is already set
to a value, the object will just be stored in the our database format,
in which case the input stream is expected to be in object format ( header + contents ).
:raise IOError: if data could not be writtenr r )r istreams r storezObjectDBW.store^ s ""ABBBr N)r* r+ r, r- r5 r8 r: r= r. r r r r B s[ @@
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z}Provides basic facilities to retrieve files of interest, including
caching facilities to help mapping hexsha's to objectsc V t || _ dS )aY Initialize this instance to look for its files at the given root path
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:raise InvalidDBRoot:
**Note:** The base will not perform any accessablity checking as the base
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xZS )r zA database which delegates calls to sub-databases.
Databases are stored in the lazy-loaded _dbs attribute.
Define _set_cache_ to update it with your databasesc |dk rt | _ d S |dk rt | _ d S t | d S )N_dbs _db_cache)listrb dictrc r@ _set_cache_)r attrrC s r rf zCompoundDB._set_cache_ sS 6>> DIII
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!VVDNNN GG % % % % %r c | j | S # t $ r Y nw xY w| j D ]%}| | r|| j |< |c S &t | )zL:return: database containing the given 20 byte sha
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1q5 r c 3 > K | ]}| V d S r )r& rS s r rV z"CompoundDB.size.. s* *I*I27799*I*I*I*I*I*Ir r )r
rb r% s r r& zCompoundDB.size s) ((*I*Ity*I*I*I1MMMr c 2 t d | j D S )Nc 3 > K | ]}| V d S r )r) rS s r rV z&CompoundDB.sha_iter.. s* 99r{{}}999999r )r rb r% s r r) zCompoundDB.sha_iter s 99ty999::r c * t | j S )z7:return: tuple of database instances we use for lookups)tuplerb r% s r rX zCompoundDB.databases s TY r Fc | j d}| j D ]/}t |t r|| | z }0|S )NF)rc clearrb rR r rM )r rL statrU s r rM zCompoundDB.update_cache s\ ) / /B"i((
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:return: 20 byte binary sha1 from the given less-than-40 byte hexsha (bytes or str)
:param partial_hexsha: hexsha with less than 40 byte
:raise AmbiguousObjectName: r 0Npartial_to_complete_sha_hex)
rd rZ r lenr hasattrr~ partial_to_complete_shar r )r partial_hexsharX len_partial_hexshapartial_binsha candidaterU full_bin_shas r r~ z&CompoundDB.partial_to_complete_sha_hex s7
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