ardupilot/Tools/cameras_gimbals/siyi-download/siyi-download.py

146 lines
5.2 KiB
Python

#!/usr/bin/env python3
"""
Downloads files from a Siyi camera connected via ethernet
AP_FLAKE8_CLEAN
"""
#
# utility to download files from a siyi camera
#
import os
import json
from argparse import ArgumentParser
from urllib.request import urlopen, urlretrieve
from urllib.parse import urlencode
from urllib.error import URLError, HTTPError
from enum import Enum
# prefix string for text outout to user
prefix_str = "siyi-download.py: "
ip_address_default = "192.168.144.25"
# media types
class MediaTypes(Enum):
IMAGE = 0
VIDEO = 1
# media type strings. used to display to user
MEDIA_TYPE_STR = ["image", "video"]
# get URL for list of directories
def get_dirlist_url(ip_address, media_type):
params = {'media_type': media_type}
return f"http://{ip_address}:82/cgi-bin/media.cgi/api/v1/getdirectories?" + urlencode(params)
# get URL for list of files in a directory
def get_filelist_url(ip_address, media_type, dir_path):
params = {
'media_type': str(media_type),
'path': dir_path,
'start': 0,
'count': 999
}
return f"http://{ip_address}:82/cgi-bin/media.cgi/api/v1/getmedialist?" + urlencode(params)
# download files from camera
def download_files(ip_address, dest_dir):
# repeat for images and videos
for media_type in [mt.value for mt in MediaTypes]:
# display output to user
print(prefix_str + f"downloading {MEDIA_TYPE_STR[media_type]} files")
# download list of directories in JSON format
dir_list_url = get_dirlist_url(ip_address, media_type)
with urlopen(dir_list_url) as get_dir_url:
dir_dict = json.load(get_dir_url)
# check that the request succeeded
if (not dir_dict['success']):
exit(prefix_str + "failed to get list of directories")
# check response includes 'data'
if ('data' not in dir_dict.keys()):
exit(prefix_str + "could not get list of directories, no 'data' in response")
dir_dict_data = dir_dict['data']
# check response includes 'directories'
if ('directories' not in dir_dict_data.keys()):
exit(prefix_str + "could not get list of directories, no 'directories' in response")
dir_dict_data_directories = dir_dict_data['directories']
# create list of directories from 'path' values
dir_list = []
for dir in dir_dict_data_directories:
if ('path' in dir.keys()):
dir_list.append(dir['path'])
print(prefix_str + f"{len(dir_list)} directories")
# get list of files in each directory
for dir_path in dir_list:
filenames_url = get_filelist_url(ip_address, media_type, dir_path)
with urlopen(filenames_url) as get_filenames_url:
filename_dict = json.load(get_filenames_url)
# check that the request succeeded
if (not filename_dict['success']):
exit(prefix_str + "failed to get list of files")
# check response includes 'data'
if ('data' not in filename_dict.keys()):
exit(prefix_str + "could not get list of files, no 'data' in response")
filename_dict_data = filename_dict['data']
# check response includes 'list'
if ('list' not in filename_dict_data.keys()):
exit(prefix_str + "could not get list of files, no 'list' in response")
filename_dict_data_list = filename_dict_data['list']
print(prefix_str + f"{len(filename_dict_data_list)} files")
# download each image
for fileinfo in filename_dict_data_list:
if ('name' not in fileinfo.keys() or 'url' not in fileinfo.keys()):
exit(prefix_str + "could not get list of files, no 'name' or 'url' in response")
filename = fileinfo['name']
file_url = fileinfo['url']
# correct incorrect ip address in returned url
file_url_fixed = file_url.replace(ip_address_default, ip_address)
# download file
print(prefix_str + f"downloading {filename} from {file_url_fixed}")
dest_filename = os.path.join(dest_dir, filename)
try:
urlretrieve(file_url_fixed, dest_filename)
except (URLError, HTTPError) as e:
print(prefix_str + f"failed to download {filename}: {e}")
# main function
def main():
parser = ArgumentParser(description=__doc__)
parser.add_argument("--ipaddr", default=ip_address_default, help="IP address of camera")
parser.add_argument("--dest", default=".", help="destination directory where downloaded files will be saved")
args = parser.parse_args()
# check destination directory exists
if not os.path.exists(args.dest):
exit(prefix_str + "invalid destination directory")
# download files
download_files(args.ipaddr, args.dest)
# main
if __name__ == "__main__":
main()