def main():
colorama.init()
print("Thank you for using canvas_grab!")
print(
f"You are using version {VERSION}. If you have any questions, please file an issue at {Fore.BLUE}https://github.com/skyzh/canvas_grab/issues{Style.RESET_ALL}"
)
print(
f"You may review {Fore.GREEN}README(_zh-hans).md{Style.RESET_ALL} and {Fore.GREEN}LICENSE{Style.RESET_ALL} shipped with this release"
)
config.load_config()
if config.ENABLE_VIDEO:
print(
f"Note: You've enabled video download. You should install the required tools yourself."
)
print(
f" This is an experimental functionality and takes up large amount of bandwidth. {Fore.RED}Use at your own risk.{Style.RESET_ALL}"
)
canvas = Canvas(config.API_URL, config.API_KEY)
try:
print(f'{Fore.BLUE}Logging in...{Style.RESET_ALL}')
print(
f"{Fore.GREEN}Logged in to {config.API_URL} as {canvas.get_current_user()}{Style.RESET_ALL}"
)
except canvasapi.exceptions.InvalidAccessToken:
print(
f"{Fore.RED}Invalid access token, please check your config.API_KEY in config file"
)
if is_windows():
# for windows double-click user
input()
exit()
try:
global checkpoint
checkpoint = Checkpoint(config.CHECKPOINT_FILE)
checkpoint.load()
except FileNotFoundError:
print(f"{Fore.RED}No checkpoint found{Style.RESET_ALL}")
courses = [
course for course in canvas.get_courses() if hasattr(course, "name")
]
if config.WHITELIST_CANVAS_ID:
print(f"{Fore.BLUE}Whilelist mode enabled{Style.RESET_ALL}")
courses = [
course for course in courses
if course.id in config.WHITELIST_CANVAS_ID
]
try:
for course in courses:
if course.start_at:
delta = -(datetime.strptime(
course.start_at, r'%Y-%m-%dT%H:%M:%S%z').replace(
tzinfo=None) - datetime.now()).days
else:
delta = 0
if course.id in config.IGNORED_CANVAS_ID:
print(
f"{Fore.CYAN}Explicitly Ignored Course: {course.course_code}{Style.RESET_ALL}"
)
elif config.RETAIN_COURSE_DAYS != 0 and delta > config.RETAIN_COURSE_DAYS:
print(
f"{Fore.CYAN}Outdated Course: {course.course_code}{Style.RESET_ALL}"
)
else:
try:
process_course(course)
except KeyboardInterrupt:
raise
except canvasapi.exceptions.Unauthorized as e:
print(
f"{Fore.RED}An error occoured when processing this course (unauthorized): {e}{Style.RESET_ALL}"
)
except canvasapi.exceptions.ResourceDoesNotExist as e:
print(
f"{Fore.RED}An error occoured when processing this course (resourse not exist): {e}{Style.RESET_ALL}"
)
if config.SCAN_STALE_FILE:
scan_stale_files(courses)
except KeyboardInterrupt:
print(
f"{Fore.RED}Terminated due to keyboard interrupt.{Style.RESET_ALL}"
)
checkpoint.dump()
if new_files_list:
print(
f"{Fore.GREEN}{len(new_files_list)} new or updated files:{Style.RESET_ALL}"
)
for f in new_files_list:
print(f" {f}")
if updated_files_list:
print(
f"{Fore.GREEN}{len(updated_files_list)} files have a more recent version on Canvas:{Style.RESET_ALL}"
)
for f in updated_files_list:
print(f" {f}")
if failure_file_list:
print(
f"{Fore.YELLOW}{len(failure_file_list)} files are not downloaded:{Style.RESET_ALL}"
)
for f in failure_file_list:
print(f" {f}")
if not new_files_list and not updated_files_list:
print("All files up to date")
if config.ENABLE_VIDEO:
print(
f"{Fore.GREEN}{len(ffmpeg_commands)} videos resolved{Style.RESET_ALL}"
)
print(
f"Please run the automatically-generated script {Fore.BLUE}download_video.(sh/ps1){Style.RESET_ALL} to download all videos."
)
with open("download_video.sh", 'w') as file:
file.write("\n".join(ffmpeg_commands))
with open("download_video.ps1", 'w') as file:
file.write("\n".join(ffmpeg_commands))
if config.ALLOW_VERSION_CHECK:
check_latest_version()
print(f"{Fore.GREEN}Done.{Style.RESET_ALL}")
if is_windows():
# for windows double-click user
input()
