sublimetext 2 plugin to open the image file as data uri

image2datauri.py

#encoding=utf8
import sublime, sublime_plugin
import os, base64


class Image2Base64(sublime_plugin.EventListener):
    def on_load(self, view):
        if view.file_name():
            fileName, fileExtension = os.path.splitext(view.file_name())
            if fileExtension.lower() in conv_extensions:
                base64image = convert_image(view)
                image = get_data_uri(base64image, fileExtension)
                if image:
                    view.run_command("i2b64_change", {"image": image})


class I2b64Change(sublime_plugin.TextCommand):
    def run(self, edit, image):
        view = self.view
        view.replace(edit, sublime.Region(0, view.size()), image)
        view.set_read_only(True)
        view.run_command("select_all")

conv_extensions = [
        ".jpg",
        ".jpeg",
        ".gif",
        ".png",
        ".bmp",
        # ".ico"
    ]

def convert_image(view):
    with open(view.file_name(), "rb") as image_file:
        encoded_string = base64.b64encode(image_file.read())
        return encoded_string
    return None

def get_data_uri(base64image, ext):
    return 'data: image/' + ext.replace('.', '') + '; base64, ' + base64image