nga_open_object.py

class Object:

    def __init__(
        self,
        source,
        objectid,
        title,
        attribution,
        beginyear,
        endyear,
        displaydate,
        classification,
        medium,
        width,
        height,
        iiifurl,
    ):
        self.source = source
        self.objectid = objectid
        self.title = title
        self.attribution = attribution
        self.beginyear = beginyear
        self.endyear = endyear
        self.displaydate = displaydate
        self.classification = classification
        self.medium = medium
        self.width = width
        self.height = height

        self.iiifurl = iiifurl

        self.imgurl_full = ""
        self.imgurl_downsized = ""
        self.imgurl_thumb = ""

        self.fix_image_properties()

    def fix_image_properties(self):

        if self.width > 4096 or self.height > 4096:
            if self.width > 4096:
                self.width = 4096

            if self.height > 4096:
                self.height = 4096

            self.imgurl_full = (
                self.iiifurl
                + "/full/!"
                + self.width
                + ","
                + self.height
                + "/0/default.jpg"
            )
        else:
            self.imgurl_full = (
                self.iiifurl
                + "/full/"
                + self.width
                + ","
                + self.height
                + "/0/default.jpg"
            )

        if self.height > 1500 or self.width > 1500:
            self.imgurl_downsized = (
                self.iiifurl + "/full/!" + 1500 + "," + 1500 + "/0/default.jpg"
            )
        else:
            self.imgurl_downsized = (
                self.iiifurl
                + "/full/!"
                + self.width
                + ","
                + self.height
                + "/0/default.jpg"
            )
            self.imgurl_thumb = self.iiifurl + "/full/!200,200/0/default.jpg"