o Սdh @sdZddlZddlZddlZddlZddlZddlZddlmZddlm Z m Z m Z m Z m Z ddlmZmZmZddlmZddlZddlmZddlmZdd lmZdd lmZdd lmZdd lm Z e!e"Z#d e$de e$e e%e e$fffddZ&d e$de e$e e%e e$fffddZ'd e$de e$e e%e e$fffddZ(d e$de e$e e%e e$fffddZ)d e$de e$e e%e e$fffddZ*d e$de e$e e$e+e,e fffddZ-d e$de e$e e$e+e fffddZ.d e$de e$e e$e+e,e fffddZ/d e$de e$e e$e+e,fffdd Z0dTd e$d$e+d%e+d&e+de e$f d'd(Z1dUd e$d*e$d%e+de e$fd+d,Z2dVd e$d.e e+e+fde e$fd/d0Z3d e$d.e e+e+fde e$fd1d2Z4dWd e$d4e$de e$fd5d6Z5d7e$d.e e+e+fde e$fd8d9Z6d e$de$fd:d;Z7dZ8dXd e$d@e$de$fdAdBZ9d e$de e e+e+ffdCdDZ:dEe+de$fdFdGZ;dHe$de$fdIdJZdHe$de$fdRdSZ?dS)ZaCreative Management Utility Functions Utility functions for creative asset processing and management. Provides file processing, validation, optimization, and helper functions. Function Categories: - File Processing: Upload, conversion, optimization - Validation: File validation and compliance checking - Metadata: File metadata extraction - Image Processing: Image manipulation and optimization - Video Processing: Video processing and compression - Audio Processing: Audio file handling - File Management: File operations and cleanup - Format Conversion: File format conversions - Performance: Performance optimization utilities Functions: - validate_creative_file: Validate uploaded creative files - get_file_metadata: Extract file metadata - generate_thumbnail: Generate file thumbnails - optimize_image: Optimize image files - compress_video: Compress video files - convert_format: Convert file formats - calculate_file_hash: Calculate file checksums - get_file_dimensions: Get image/video dimensions - extract_audio_metadata: Extract audio metadata - validate_file_size: Validate file size limits Integrations: - PIL/Pillow for image processing - FFmpeg for video/audio processing - External APIs for content analysis - Cloud storage services - File validation libraries N)datetime)DictListOptionalTupleUnion)ImageImageOps ImageFilter)TAGS) UploadedFile)settings)ValidationError)slugify)default_storage) ContentFile file_pathreturnc Cs~dggid}ztj|sd|d<|dd|WStj|}tj|d}||t|d|d <|d krF|dd d|d<gd }||vr]|dd |dd|d<|d d}t||sw|dd|dd|d<|dvrt |}|d |d|d |d|dsd|d<nE|dvrt |}|d |d|d |d|dsd|d<n"|dvrt |}|d |d|d |d|dsd|d<t |} |d | d|d | d| dsd|d<td|d|d|WSty>} z%td|dt| d|d<|ddt| |WYd} ~ Sd} ~ ww)z Validate creative file for compliance and technical requirements. Args: file_path (str): Path to the file to validate Returns: dict: Validation results with is_valid flag and error list T)is_validerrorswarnings file_infoFrrzFile does not exist)size extension mime_typer zFile size exceeds 50MB limit.jpg.jpeg.png.gif.webp.mp4.mov.avi.webm.mp3.wav.aac.ogg.html.htmzFile extension z not allowedrz MIME type z does not match file extensionrrr r!r"rr#r$r%r&r'r(r)r*zFile validation completed: z - Valid: zError validating file : zValidation error: N)ospathexistsappendgetsizesplitextlower get_mime_typeis_valid_mime_typevalidate_image_fileextendvalidate_video_filevalidate_audio_filevalidate_file_securityloggerinfo Exceptionerrorstr) rvalidation_result file_sizefile_extallowed_extensionsrZimage_validationZvideo_validationZaudio_validationZsecurity_validationexcrIHC:\Users\vibe-look\OneDrive\Desktop\Adtlas_V\src\apps\creatives\utils.pyvalidate_creative_file<sz      rKc Csxdggd}zt|}|t|^}|j\}}|dks$|dkr1|dd|d||dks9|dkrF|dd|d||jd vrV|dd |jt|d rm|jrmt|d d dkrm|ddWdn1swwYWdW|SWdW|S1swYW|St y}zd|d<|ddt |WYd}~|Sd}~ww)z Validate image file. Args: file_path (str): Path to image file Returns: dict: Image validation results TrrrrzLarge image dimensions: xdzSmall image dimensions: )RGBRGBALPzUnusual color mode: is_animatedn_framesrz!GIF has many frames, may be largeNFrrzInvalid image file: ) ropenverifyrr4modehasattrrTgetattrrArC)rresultimgwidthheightrHrIrIrJr:s<       "r:c Csdggd}zddddddd |g}tj|ddd }|jd kr,d |d <|dd|WSt|j}t|didd }|dkrN|dd|dddd|dgD}|sgd |d <|ddn)|d }t |dd }t |dd } |dks| dkr|dd|d | t |did!d } | d"kr|dd#| d$W|SW|Stj yd |d <|dd%Y|Stj yd |d <|dd&Y|St y} zd |d <|dd't | WYd(} ~ |Sd(} ~ ww))z Validate video file using FFprobe. Args: file_path (str): Path to video file Returns: dict: Video validation results TrLffprobe-vquiet -print_formatjson -show_format -show_streamscapture_outputtextrFrrz#Invalid video file or FFprobe errorformatduration,rzLong video duration: .1f secondscSg|] }|ddkr|qS codec_typevideoget.0srIrIrJ z'validate_video_file..streamszNo video stream foundr]r^8zHigh resolution video: rNbit_rateizHigh bitrate: z bpszVideo validation timeoutzError parsing video informationzVideo validation error: N) subprocessrun returncoder4rcloadsstdoutfloatrsintTimeoutExpiredJSONDecodeErrorrArC) rr[cmdprocess video_inforj video_streams video_streamr]r^bitraterHrIrIrJr<s^     "r<c Csdggd}zeddddddd |g}tj|ddd }|jd kr,d |d <|dd|WSt|j}t|didd }|dkrN|dd|dddd|dgD}|sid |d <|ddW|SW|St y}zd |d <|ddt |WYd}~|Sd}~ww)z Validate audio file. Args: file_path (str): Path to audio file Returns: dict: Audio validation results TrLr_r`rarbrcrdrerfrFrrz#Invalid audio file or FFprobe errorrirjiXrzLong audio duration: rlrmcSrnrpaudiorrrtrIrIrJrw1rxz'validate_audio_file..ryzNo audio stream foundzAudio validation error: N) r}r~rr4rcrrrrsrArC)rr[rr audio_inforj audio_streamsrHrIrIrJr= s>   "r=c Csdggd}zht|tjrd|d<|ddt|dF}|d}tj|d }|d vrRd |vs>d |vr[d|d<|dd WdW|SWdW|SWdW|S1sgwYW|St y}z|ddt |WYd}~|Sd}~ww)z Validate file for security issues. Args: file_path (str): Path to file Returns: dict: Security validation results TrLFrrzFile has executable permissionsrbr)r+r,s=s6          "r>c Cs8|tj|ddddddd}zetj|s|WSt|}||jtj|dt |t |j  t |j t|d|d}|dvrS|t|n|d vr_|t|n |d vrj|t|td ||WSty}ztd |d t|t||d<|WYd}~Sd}~ww)z Extract comprehensive metadata from file. Args: file_path (str): Path to file Returns: dict: File metadata rN)r file_namerEfile_extensionr created_at modified_atchecksumr)rErrrrrrr-r.r/zMetadata extracted for file: zError extracting metadata from r0rB)r1r2basenamer3statupdatest_sizer6r7r8r fromtimestampst_ctime isoformatst_mtimecalculate_file_hashget_image_metadataget_video_metadataget_audio_metadatar?r@rArBrC)rmetadatarrFrHrIrIrJget_file_metadataasH     rc CsHi}z~t|n}|j\}}||d||||j|jdt|drF|rFi}|D]\}}t ||}t |||<q1||d<t|drd|j |d<|j rmt |dd|d<Wd W|SWd W|SWd W|S1sywYW|Sty} ztd t | t | |d <WYd } ~ |Sd } ~ ww) z Extract image-specific metadata. Args: file_path (str): Path to image file Returns: dict: Image metadata rN) dimensionsr]r^Z color_moderi_getexifexifrTrUrZ frame_countNz!Error extracting image metadata: rB)rrVrrrXrirYritemsr rsrCrTrZrAr?rB) rrr\r]r^Z exif_dataZtag_idvaluetagrHrIrIrJrsJ           rc Csi}zddddddd|g}tj|ddd }|jd krt|j}|d i}|t|d d t |d d |ddddd|dgD}|rz|d }t |dd }t |dd } ||d| || |ddt |ddddd|dgD} | r| d } || ddt | dd t | dd dW|SW|SW|St y} zt dt| t| |d <WYd!} ~ |Sd!} ~ ww)"z Extract video-specific metadata using FFprobe. Args: file_path (str): Path to video file Returns: dict: Video metadata r_r`rarbrcrdreTrfrrirjr| format_namer)rjrrcSrnrorrrtrIrIrJrwrxz&get_video_metadata..ryr]r^rN codec_nameZ r_frame_ratez0/1)rr]r^codecZfpscSrnrrrrtrIrIrJrwrx sample_ratechannels)Z audio_codecrrz!Error extracting video metadata: rBN)r}r~rrcrrrsrrrevalrAr?rBrC) rrrrr format_inforrr]r^r audio_streamrHrIrIrJrsb           ( rc Cs i}zjddddddd|g}tj|ddd }|jd krgt|j}|d i}|t|d d t |d d ddd|dgD}|rj|d }||ddt |dd t |dd dW|SW|SW|St y}zt dt |t ||d<WYd}~|Sd}~ww)z Extract audio-specific metadata. Args: file_path (str): Path to audio file Returns: dict: Audio metadata r_r`rarbrcrdreTrfrrirjr|)rjrcSrnrrrrtrIrIrJrw*rxz&get_audio_metadata..ryrrrr)rrrz!Error extracting audio metadata: rBN)r}r~rrcrrrsrrrrAr?rBrC) rrrrrrrrrHrIrIrJrsH        rUrzr{quality max_width max_heightc CsNzt|y}tj|}|j\}}||kp||k}|dk} |s,| s, WdWdS|jdvr6|d}|rB|||ftj j dt | d} t|}|j| d|dd tj| } || |d } td | d d | WdWS1swYWdSty} ztdt| WYd} ~ dSd} ~ ww)aC Optimize image file for web delivery. Args: file_path (str): Path to image file quality (int): JPEG quality (1-100) max_width (int): Maximum width max_height (int): Maximum height Returns: str: Path to optimized image or None if no optimization needed iNrQLArSrPz/tmp/optimized_rJPEGT)roptimizerOzImage optimized: rl% size reductionzError optimizing image: )rrVr1r2r5rrXconvert thumbnail ResamplingLANCZOShashlibmd5encode hexdigestr exif_transposesaver?r@rArBrC)rrrrr\ original_sizer]r^ needs_resizeneeds_compressionoptimized_pathZoptimized_sizecompression_ratiorHrIrIrJoptimize_image;s4      (!r2Mtarget_bitratecCs\zt|}d|vr WdStj|}|dd}|dk}||k}|s'|s'WdSdt|d}dd |d d d |d dddddd|g} |rW| dd| dd|dt j | ddd} | j dkrtj |rtj|} || |d} td| dd|WStd| jWdSty} ztdt| WYd} ~ dSd} ~ ww) a$ Compress video file using FFmpeg. Args: file_path (str): Path to video file target_bitrate (str): Target bitrate (e.g., '2M') max_width (int): Maximum width Returns: str: Path to compressed video or None if no compression needed rBNr]riz/tmp/compressed_r#ffmpeg-iz-c:vZlibx264z-b:vz-c:aaacz-b:aZ128kz -movflagsz +faststart-y-vfzscale=z:-2TrfrOzVideo compressed: rlrzFFmpeg error: zError compressing video: )rr1r2r5rsrrrrinsertr}r~rr3r?r@rBstderrrArC)rrrrrr]rrcompressed_pathrrZcompressed_sizerrHrIrIrJcompress_videoosJ     rrkrkrc Csz#tj|d}|dvrt||WS|dvrt|WSt||WSty@}zt dt |WYd}~dSd}~ww)z Generate thumbnail for any supported file type. Args: file_path (str): Path to file size (tuple): Thumbnail size (width, height) Returns: str: Path to generated thumbnail or None if failed rr-r.zError generating thumbnail: N) r1r2r6r7generate_image_thumbnailgenerate_video_thumbnailgenerate_generic_thumbnailrAr?rBrC)rrrFrHrIrIrJgenerate_thumbnails    rc CszBt|2}|jdvr|d}||tjjdt|  d}|j |ddd|WdWS1s;wYWdSt y_}zt d t|WYd}~dSd}~ww) z Generate thumbnail for image file. Args: file_path (str): Path to image file size (tuple): Thumbnail size Returns: str: Path to generated thumbnail rrP /tmp/thumb_rrrrNz"Error generating image thumbnail: )rrVrXrrrrrrrrrrAr?rBrC)rrr\ thumb_pathrHrIrIrJrs   (r00:00:01 time_offsetc Cszts z%calculate_file_hash..NzError calculating file hash: r) rZrrViterrrrAr?rBrC)rrZ hash_funcchunkrHrIrrJres    rc CszHtj|d}|dvr+t| }|jWdWS1s#wYWdS|dvrFt|}|d}|d}|rF|rF||fWSWdSt ye}zt dt |WYd}~dSd}~ww)z Get file dimensions for images and videos. Args: file_path (str): Path to file Returns: tuple: (width, height) or None if not applicable rr-Nr.r]r^zError getting file dimensions: ) r1r2r6r7rrVrrrsrAr?rBrC)rrFr\rr]r^rHrIrIrJget_file_dimensions~s&  "    r size_bytescCsl|dkrdSgd}d}|dkr,|t|dkr,|d}|d7}|dkr,|t|dks|dd||S) z Format file size in human-readable format. Args: size_bytes (int): Size in bytes Returns: str: Formatted size string rz0 B)BKBMBGBTBrrg@rl N)len)rZ size_namesirIrIrJformat_file_sizes rfilenamecCs<tj|}tj|\}}t|}|sd}||S)z Clean filename for safe storage. Args: filename (str): Original filename Returns: str: Cleaned filename fileN)r1r2rr6rr7)rnameext clean_namerIrIrJclean_filenames rrrEmax_sizecCs||kS)z Validate file size against limit. Args: file_size (int): File size in bytes max_size (int): Maximum allowed size in bytes Returns: bool: True if file size is valid NrI)rErrIrIrJvalidate_file_sizes r cCs8t|}td}t|dd}d|d|d|S)z Generate upload path for creative files. Args: instance: Model instance filename (str): Original filename Returns: str: Upload path %Y/%m/%d creative_typeunknownz creatives//N)rrnowstrftimerZ)instancerr date_pathr rIrIrJget_upload_paths  rcCs&t|}td}d|d|S)z Generate upload path for thumbnail files. Args: instance: Model instance filename (str): Original filename Returns: str: Upload path r zcreatives/thumbnails/r N)rrrr)rrrrrIrIrJget_thumbnail_upload_paths r)rrzr{)rrz)r)r)r)r)@__doc__r1rrr}rcloggingrtypingrrrrrPILrr r Z PIL.ExifTagsr rdjango.core.files.uploadedfiler django.confr django.core.exceptionsrdjango.utils.textrdjango.core.files.storagerdjango.core.files.baser getLogger__name__r?rCboolrKr:r<r=r>rrrrrrrrrrrrr8r9rrrrr rrrIrIrIrJsV$         &&_&,&D&2&$$7&,$C$4 4$B""%