removed download_notebook_image() function

Author: yankev

plotly/offline/offline.py

@@ -609,50 +609,3 @@ def enable_mpl_offline(resize=False, strip_style=False,
     formatter.for_type(matplotlib.figure.Figure,
                        lambda fig: iplot_mpl(fig, resize, strip_style, verbose,
                                              show_link, link_text, validate))
-
-
-def download_notebook_image(format='png', height=600, width=800,
-                            filename='plot_image'):
-    """
-    Download an image of the most recent plot. This function should be
-    called in a cell following the output cell that includes the plot.
-    In other words, do not run this functon in the same cell as your
-    iplot call.
-
-    Keyword arguments:
-    format -- sets the image format for the saved file (default='png')
-    Accepts formats include: .jpeg, .png, .svg, .webp
-    height -- sets the height of the image in px (default=600)
-    width -- sets the width of the image in px (default=800)
-    filename -- the name of the saved file without format extension
-    (default='plot_image')
-    """
-    script = ('<script>'
-              'function downloadimage(format, height, width,'
-              ' filename) {{'
-              'var elementsList = document.querySelectorAll(\'.code_cell\');'
-              'var new_list = new Array();'
-              'for(var i=0; i < elementsList.length; i++) {{'
-              'if(elementsList[i].classList.contains(\'selected\')) {{'
-              'break;'
-              '}};'
-              'var temp = elementsList[i].getElementsByClassName'
-              '(\'plot-container plotly\');'
-              'if (temp.length > 0) {{'
-              'new_list.push(elementsList[i].getElementsByClassName'
-              '(\'plot-container plotly\')[0]);'
-              '}}'
-              '}}'
-              'if (new_list.length>0) {{'
-              'var pre_div = new_list.slice(-1)[0];'
-              'var p = document.getElementById(pre_div.parentElement.id);'
-              'Plotly.downloadImage(p, {{format: format, height: height, '
-              'width: width, filename: filename}});'
-              '}}'
-              '}}'
-              'downloadimage(\'{format}\', {height}, {width}, \'{filename}\');'
-              '</script>'
-              ).format(format=format, height=height, width=width,
-                       filename=filename)
-
-    display(HTML(script))