o e @szddlZddlZddlZddlZddlZddlZddlZddlm Z ddZ ddZ ddd Z d d Z d d ZddZdS)N)ImagecCstj|p t|S)z Check whether a local OR hosted image path is valid :param image_path: local path or URL of image :returns: Boolean )ospathexistscheck_image_url image_pathr H/var/www/myenv/lib/python3.10/site-packages/roboflow/util/image_utils.pycheck_image_path sr cCs.tj|jdvr dSt|}|jtjjkS)zg Check whether a hosted image path is valid :param url: URL of image :returns: Boolean )httphttpsF) urllibparseurlparseschemerequestshead status_codecodesok)urlrr r r rs r<c Cstt|tj}t|tj}|jddd}|jddd}||kr+t ||}tj |||d}|d}t |||d|dS)a. Overlay a translucent mask on top of an image with CV2 :param image: a CV2 image / numpy.ndarray matrix :param encoded_mask: a base64 encoded single channel image :param transparency: alpha transparency of masks for semantic overlays :returns: CV2 image / numpy.ndarray matrix N)maskdr) np fromstringbase64 b64decodeuint8cv2imdecodeIMREAD_UNCHANGEDshaperesize bitwise_and addWeighted) image encoded_mask transparencynp_datar image_size mask_sizemaskedalphar r r mask_image"s r2cCst|s td|ddS)z Validate whether a local OR hosted image path is valid :param image_path: local path or URL of image :returns: None :raises Exception: Image path is not valid zImage does not exist at !N)r Exceptionrr r r validate_image_path=sr5cCsBt|}t|tj}t|}t}|j|ddd| S)NrJPEG)qualityformat) r#imreadcvtColor COLOR_BGR2RGBr fromarrayioBytesIOsavegetvalue)rimgr*pilImagebufferedr r r file2jpegHs  rDcCsRt|d}dd|D}ddt|DWdS1s"wYdS)NrcSsg|]}|r|qSr strip).0liner r r Ssz!load_labelmap..cSsi|] \}}||qSr rE)rGirHr r r Tsz!load_labelmap..)open readlines enumerate)ffilelinesr r r load_labelmapQs $rR)r)r r=rrr#numpyrrPILrr rr2r5rDrRr r r r s