Concatenate (glue) two videos given the two inputs and output paths from terminal

gluevideos.py

# Concatenate (glue) two videos given the two inputs and output paths
#   (if destination path not specified it uses same as first input path)
# by Bryan Laygond

# USAGE:
# python gluevideos.py --v1 "Path/to/first/source/file" \
#                      --v2 "Path/to/second/source/file" \
#                      --output "Path/to/destination/file" 

import os
import argparse
from moviepy.editor import VideoFileClip,VideoClip,concatenate_videoclips

# argument parser
ap = argparse.ArgumentParser()
ap.add_argument("-1", "--v1", required = True,
        help = "path to first input video")
ap.add_argument("-2", "--v2", required = True,
        help = "path to second input video")
ap.add_argument("-o", "--output", type = str, default = "",
        help = "path to output video")
args = vars(ap.parse_args())

# Create video objects
clip1 = VideoFileClip(args["v1"])
clip2 = VideoFileClip(args["v2"])

# Print video Info
print("[INFO] Video 1   fps: ", clip1.fps, "     size: ",clip1.size)
print("[INFO] Video 2   fps: ", clip2.fps, "     size: ",clip2.size)

# Set parameters if not specified:
# for dest_path
if args["output"] == "":
    video_file_extension = args["v1"].split(".")[1]    # example mp4 
    video_file_path      = os.path.dirname(args["v1"]) 
    dest_path = os.path.join(video_file_path, "glue_output.") + video_file_extension
else:
    dest_path = args["output"]

# Concatenate Clips and Write 
glue_clip  = concatenate_videoclips([clip1, clip2], method='compose')
glue_clip.write_videofile( dest_path )