B |b3@sdZddlZddlZddlZddlmZmZddlmZm Z m Z ddl m Z m Z ddlmZdZGd d d e ejZGd d d e ZdS) zc:mod:`wand.sequence` --- Sequences ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. versionadded:: 0.3.0 N) libmagicklibrary)abcbinaryxrange) BaseImage ImageProperty)MAGICK_VERSION_INFO)Sequence SingleImagecseZdZdZfddZeddZejddZej ddZ d d Z d d Z dddZ ddZddZddZddZddZd ddZddZZS)!r zThe list-like object that contains every :class:`SingleImage` in the :class:`~wand.image.Image` container. It implements :class:`collections.abc.Sequence` protocol. .. versionadded:: 0.3.0 cstt||g|_dS)N)superr __init__ instances)selfimage) __class__P/home/ankuromar296_gmail_com/.local/lib/python3.7/site-packages/wand/sequence.pyrszSequence.__init__cCst|jjS)z(:class:`numbers.Integral`) The current index of its internal iterator. .. note:: It's only for internal use. )rMagickGetIteratorIndexrwand)rrrr current_index s zSequence.current_indexcCst|jj|dS)N)rMagickSetIteratorIndexrr)rindexrrrr,sccs&||}|j}||_|V||_dS)zScoped setter of :attr:`current_index`. Should be used for :keyword:`with` statement e.g.:: with image.sequence.index_context(3): print(image.size) .. note:: It's only for internal use. N)validate_positionr)rrtmp_idxrrr index_context0s zSequence.index_contextcCst|jjS)N)rZMagickGetNumberImagesrr)rrrr__len__CszSequence.__len__cCsZt|tjstdt|t|}||ks6|| krFtd|||dkrV||7}|S)Nzindex must be integer, not zout of index: {0} (total: {1})r) isinstancenumbersIntegral TypeErrorreprlen IndexErrorformat)rrlengthrrrrFs zSequence.validate_positionFcCs|jdks|jdkstdt|}|jdkr4d}n|jdkrJ||j}n|j}t||}|jdkrjd}n|jdkr||j}n|j}t||p|}|rt||St||dS)Nrz slicing with step is unsupportedr)step ValueErrorr#startminstoprslice)rslice_as_ranger&r)r+rrrvalidate_sliceRs        zSequence.validate_slicec s&t|tr0|}fddt|j|jDS|}j}t|}||krv||}|dk rt |dddk r|Sn$||d}| ddt|Dj j }t |}t ||t |} t} t| tt|| } t| t | } t| } t ||t| j | }|j|<|S)Ncsg|] }|qSrr).0i)rrr isz(Sequence.__getitem__.. c_resourcercss|] }dVqdS)Nr)r0_rrr tsz'Sequence.__getitem__..)rr,r/rr)r+rrr#getattrextendrrrrrGetImageFromMagickWandrZAcquireExceptionInfoZ CloneImagesrstrZDestroyExceptionInfoZNewMagickWandFromImageZ DestroyImager ) rrr-rZinstances_lengthinstanceZnumber_to_extendrrrexcZ single_imageZ single_wandr)rr __getitem__fs4            zSequence.__getitem__c Cst|tr8|j}||}||=|j||jd||_nt|tsRtdt|| |V}t |j j rt |j j |j t |j j n t |j j t |j j |j WdQRXdS)N)offsetz7image must be an instance of wand.image.BaseImage, not )rr,rr/r7r)rr!r"rrZMagickHasNextImagerrMagickAddImageMagickRemoveImage)rrrrr-rrr __setitem__s     zSequence.__setitem__c Cspt|tr2|j|dd}xRt|D] }||=q"Wn:||*}t|jj|t |j krb|j |=WdQRXdS)NT)r.) rr,r/reversedrrr?rrr#r)rrZrange_r1rrr __delitem__s   zSequence.__delitem__c Cs2y||}Wntk r*t|}YnXt|tsFtdt||s^t|j j |j n|dkr|j }|j j }|j dj }zbt dkrt|t||n>d|_ t||j j dj d|_ t||d|_ t|Wd||_ Xn2||dt|j j |j dj WdQRX|j|ddS)Nz7image must be an instance of wand.image.BaseImage, not r)rCrr)rr$r#rrr!r"rr>rrrsequencer ZMagickSetFirstIteratorr?rrinsert)rrrrZ self_wandrrrrrFs8      "zSequence.insertcCsdt|tstdt||jj}|j}z"t|t ||j djWd||_X|j ddS)Nz7image must be an instance of wand.image.BaseImage, not r) rrr!r"rrrrMagickSetLastIteratorr>rErappend)rrrrrrrrHs   zSequence.appendNc CsJ|j}|jj}d}z|dkr,t|jjn2|dkrTt|}|dt||d7}|d|_t|t |rt ||jjt |}nt dkrdnd}xp|D]h}t|t stdt|qt ||jdjg|_|dkrt|jjn|j|7_|d7}qWWd||_Xdg|}|dkr8||j|d<n||j||<dS)Nrr)rCrDrCrzCimages must consist of only instances of wand.image.BaseImage, not )rrrrrGiterrFnextrtyper>r#r rr!r"rEr) rZimagesr=rrr&deltarZ null_listrrrr7s>      zSequence.extendcCsft|jjt|jjd}t}t|t|}|r^|j r^t ||j }t |}|SdSdS)Nr) rMagickResetIteratorrrZMagickAppendImagesctypesc_size_tZMagickGetImagesBlobbyrefvalue string_atZMagickRelinquishMemory)rZ repr_wandr&Zblob_pblobrrr _repr_png_s   zSequence._repr_png_)F)N)__name__ __module__ __qualname____doc__rpropertyrsetter contextlibcontextmanagerrrrr/r<r@rBrFrHr7rU __classcell__rr)rrr s    $ (r csreZdZdZdZfddZeddZeddZed d Z e j d d Z d d Z fddZ ddZ ZS)r aXEach single image in :class:`~wand.image.Image` container. For example, it can be a frame of GIF animation. Note that all changes on single images are invisible to their containers unless they are altered a ``with ...`` context manager. with Image(filename='animation.gif') as container: with container.sequence[0] as frame: frame.negate() .. versionadded:: 0.3.0 .. versionchanged:: 0.5.1 Only sync changes of a :class:`SingleImage` when exiting a ``with ...`` context. Not when parent :class:`~wand.image.Image` closes. Ncs&tt||||_||_d|_dS)N)r r r containerc_original_resource_delay)rrr_r`)rrrrszSingleImage.__init__cCs|fS)Nr)rrrrrE#szSingleImage.sequencecCs`|jj}t|t|}d}x$|j|krD|rDt|}|d7}q"W|sNt|j|ks\t|S)zk(:class:`numbers.Integral`) The index of the single image in the :attr:`container` image. rr) r_rrrNr8r`rZGetNextImageInListAssertionError)rrrr1rrrr's    zSingleImage.indexc Cs>|jdkr8|j}|j|jt|j|_WdQRX|jS)z(:class:`numbers.Integral`) The delay to pause before display the next image (in the :attr:`~wand.image.BaseImage.sequence` of its :attr:`container`). It's hundredths of a second. N)rar_rErrrZMagickGetImageDelayr)rr_rrrdelay8s  zSingleImage.delayc Csft|tjstdt|n|dkr.td|j}|j|j t |j |WdQRX||_ dS)Nzdelay must be an integer, not rzdelay cannot be less than zero)rrr r!r"r(r_rErrrZMagickSetImageDelayrra)rrcr_rrrrcEs cCs|jr||jj|j<d|_dS)zIf instances was flagged as :attr:`dirty` by any manipulation methods, then this instance will overwrite :attr:`container` internal version at :attr:`index`. .. versionadded:: 0.5.1 FN)Zdirtyr_rEr)rrrr_sync_container_sequencePsz$SingleImage._sync_container_sequencecs |tt||||dS)N)rdr r __exit__)rtype_rR traceback)rrrre[szSingleImage.__exit__cCsLt|}t|dddkr(d|j|jSd|j|j|jdd|j|jS)Nr3z<{0}.{1}: (closed)>z<{0}.{1}: {2} ({3}x{4})>rD)rLr6r%rWrV signaturewidthheight)rclsrrr__repr___s zSingleImage.__repr__)rVrWrXrYr_rrZrErrcr[rdrerlr^rr)rrr s      r )rYr\rOrapirrcompatrrrrrr versionr __all__MutableSequencer r rrrrs v