openwrt/scripts/json_add_image_info.py

56 lines
1.5 KiB
Python
Executable File

#!/usr/bin/env python3
import json
import os
import hashlib
def e(variable, default=None):
return os.environ.get(variable, default)
json_path = "{}{}{}.json".format(e("BIN_DIR"), os.sep, e("IMAGE_PREFIX"))
with open(os.path.join(e("BIN_DIR"), e("IMAGE_NAME")), "rb") as image_file:
image_hash = hashlib.sha256(image_file.read()).hexdigest()
def get_titles():
titles = []
for prefix in ["", "ALT0_", "ALT1_", "ALT2_"]:
title = {}
for var in ["vendor", "model", "variant"]:
if e("DEVICE_{}{}".format(prefix, var.upper())):
title[var] = e("DEVICE_{}{}".format(prefix, var.upper()))
if title:
titles.append(title)
if not titles:
titles.append({"title": e("DEVICE_TITLE")})
return titles
if not os.path.exists(json_path):
device_info = {
"id": e("DEVICE_ID"),
"image_prefix": e("IMAGE_PREFIX"),
"images": [],
"metadata_version": 1,
"supported_devices": e("SUPPORTED_DEVICES").split(),
"target": "{}/{}".format(e("TARGET"), e("SUBTARGET", "generic")),
"titles": get_titles(),
"version_commit": e("VERSION_CODE"),
"version_number": e("VERSION_NUMBER"),
}
else:
with open(json_path, "r") as json_file:
device_info = json.load(json_file)
image_info = {"type": e("IMAGE_TYPE"), "name": e("IMAGE_NAME"), "sha256": image_hash}
device_info["images"].append(image_info)
with open(json_path, "w") as json_file:
json.dump(device_info, json_file, sort_keys=True, indent=" ")