import os
import xml.etree.ElementTree as ET

xml_path = os.path.normpath("/path/timeline_300x200.xml")

tree = ET.parse(xml_path)
root = tree.getroot()

sequence_width = int(root.findtext(".//media/video/format/samplecharacteristics/width"))
sequence_height = int(root.findtext(".//media/video/format/samplecharacteristics/height"))

for clip in root.iter('clipitem'):
    clip_pathurl = clip.find('file').findtext('pathurl')
    clip_source_frame_in = clip.findtext('in')
    clip_source_frame_out = clip.findtext('out')
    clip_rec_frame_in = clip.findtext('start')
    clip_rec_frame_out = clip.findtext('end')

    clip_source_width = int(clip.find('file').find('media').find('video').find('samplecharacteristics').findtext('width'))
    clip_source_height = int(clip.find('file').find('media').find('video').find('samplecharacteristics').findtext('height'))

    clip_scale = float(clip.findtext(".//parameter[name='Scale']/value")) / 100
    clip_rec_width = clip_source_width * clip_scale
    clip_rec_height = clip_source_height * clip_scale

    # Anchor Point
    clip_x_anchor_horiz_relative = float(clip.findtext(".//parameter[name='Anchor Point']/value/horiz"))
    clip_y_anchor_vert_relative = float(clip.findtext(".//parameter[name='Anchor Point']/value/vert"))
    clip_x_anchor_horiz_absolute = clip_x_anchor_horiz_relative * clip_source_width
    clip_y_anchor_vert_absolute = clip_y_anchor_vert_relative * clip_source_height

    # Anchor Point shown in Premiere Pro GUI
    clip_x_anchor_horiz_absolute_from_left = clip_x_anchor_horiz_absolute + (clip_source_width / 2)
    clip_y_anchor_vert_absolute_from_left = clip_y_anchor_vert_absolute + (clip_source_height / 2)

    # Center
    clip_x_center_horiz_relative = float(clip.findtext(".//parameter[name='Center']/value/horiz"))
    clip_y_center_vert_relative = float(clip.findtext(".//parameter[name='Center']/value/vert"))
    clip_x_center_horiz_absolute_source = clip_x_center_horiz_relative * clip_source_width
    clip_y_center_vert_absolute_source = clip_y_center_vert_relative * clip_source_height

    # Center shown in Premiere Pro GUI
    clip_x_center_from_seq_left = (sequence_width / 2) + clip_x_center_horiz_absolute_source + clip_x_anchor_horiz_absolute
    clip_y_center_from_seq_top = (sequence_height / 2) + clip_y_center_vert_absolute_source + clip_y_anchor_vert_absolute

    break