98 lines
3.1 KiB
Python
98 lines
3.1 KiB
Python
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#! /usr/bin/env nix-shell
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#! nix-shell -i python3 -p python3 python3.pkgs.packaging python3.pkgs.requests python3.pkgs.xmltodict
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import hashlib
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import json
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import pathlib
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import logging
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import requests
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import sys
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import xmltodict
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from packaging import version
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updates_url = "https://www.jetbrains.com/updates/updates.xml"
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versions_file_path = pathlib.Path(__file__).parent.joinpath("versions.json").resolve()
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logging.basicConfig(stream=sys.stdout, level=logging.DEBUG)
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def one_or_more(x):
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return x if isinstance(x, list) else [x]
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def download_channels():
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logging.info("Checking for updates from %s", updates_url)
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updates_response = requests.get(updates_url)
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updates_response.raise_for_status()
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root = xmltodict.parse(updates_response.text)
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products = root["products"]["product"]
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return {
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channel["@name"]: channel
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for product in products
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for channel in one_or_more(product["channel"])
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}
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def build_version(build):
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return version.parse(build["@version"])
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def latest_build(channel):
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builds = one_or_more(channel["build"])
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latest = max(builds, key=build_version)
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return latest
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def download_sha256(url):
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download_response = requests.get(url)
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download_response.raise_for_status()
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h = hashlib.sha256()
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h.update(download_response.content)
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return h.hexdigest()
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channels = download_channels()
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def update_product(name, product):
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update_channel = product["update-channel"]
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logging.info("Updating %s", name)
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channel = channels.get(update_channel)
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if channel is None:
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logging.error("Failed to find channel %s.", update_channel)
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logging.error("Check that the update-channel in %s matches the name in %s", versions_file_path, updates_url)
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else:
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try:
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build = latest_build(channel)
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version = build["@version"]
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parsed_version = build_version(build)
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version_major_minor = f"{parsed_version.major}.{parsed_version.minor}"
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download_url = product["url-template"].format(version = version, versionMajorMinor = version_major_minor)
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product["url"] = download_url
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product["version-major-minor"] = version_major_minor
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if "sha256" not in product or product.get("version") != version:
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logging.info("Found a newer version %s.", version)
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product["version"] = version
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product["sha256"] = download_sha256(download_url)
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else:
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logging.info("Already at the latest version %s.", version)
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except Exception as e:
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logging.exception("Update failed:", exc_info=e)
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logging.warning("Skipping %s due to the above error.", name)
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logging.warning("It may be out-of-date. Fix the error and rerun.")
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def update_products(products):
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for name, product in products.items():
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update_product(name, product)
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with open(versions_file_path, "r") as versions_file:
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versions = json.load(versions_file)
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for products in versions.values():
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update_products(products)
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with open(versions_file_path, "w") as versions_file:
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json.dump(versions, versions_file, indent=2)
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versions_file.write("\n")
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