mirror of
https://github.com/Mic92/nix-update.git
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rewrite/rename to nix-update
This commit is contained in:
Jörg Thalheim
parent
b7ddd7a14f
commit
afbeb2fa00
24
README.md
24
README.md
@ -1,6 +1,6 @@
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# nixpkgs-updater
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# nix-update
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Update packages in nixpkgs likes it is 2020.
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Update nix packages likes it is 2020.
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This tool is still in early development.
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## Dependencies
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@ -10,20 +10,20 @@ This tool is still in early development.
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## USAGE
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```
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$ NIX_PATH=nixpkgs=/path/to/git python nixpkgs-updater.py attribute [version]
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```
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Example:
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First change to your directory containing the nix expression (Could be a nixpkgs or your own repository). Than run `nix-update` as follows
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```
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$ NIX_PATH=nixpkgs=/path/to/git python nixpkgs-updater.py nixpkgs-review
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$ python nix-update.py attribute [version]
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```
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(fetches the latest github release)
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or:
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This example will fetch the latest github release:
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```
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$ NIX_PATH=nixpkgs=/path/to/git python nixpkgs-updater.py nixpkgs-review 2.1.1
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$ python nix-update.py nixpkgs-review
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```
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It is also possible to specify the version manually
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```
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$ python nix-update.py nixpkgs-review 2.1.1
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```
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123
nix-update.py
Normal file
123
nix-update.py
Normal file
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#!/usr/bin/env python3
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import argparse
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import fileinput
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import json
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import re
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import subprocess
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import urllib.request
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import xml.etree.ElementTree as ET
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import sys
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from typing import Optional
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from urllib.parse import urlparse
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def die(msg):
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print(msg, file=sys.stderr)
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sys.exit(1)
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def fetch_latest_release(url_str: str) -> str:
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url = urlparse(url_str)
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parts = url.path.split("/")
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owner, repo = parts[1], parts[2]
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if url.netloc != "github.com":
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die("Please specify the version. We can only get the latest version from github projects right now")
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resp = urllib.request.urlopen(f"https://github.com/{owner}/{repo}/releases.atom")
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tree = ET.fromstring(resp.read())
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release = tree.find(".//{http://www.w3.org/2005/Atom}entry")
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assert release is not None
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link = release.find("{http://www.w3.org/2005/Atom}link")
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assert link is not None
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href = link.attrib["href"]
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url = urlparse(href)
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return url.path.split("/")[-1]
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# def find_repology_release(attr) -> str:
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# resp = urllib.request.urlopen(f"https://repology.org/api/v1/projects/{attr}/")
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# data = json.loads(resp.read())
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# for name, pkg in data.items():
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# for repo in pkg:
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# if repo["status"] == "newest":
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# return repo["version"]
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# return None
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def eval_attr(import_path: str, attr: str) -> str:
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return f"""(with import {import_path} {{}};
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let
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pkg = {attr};
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in {{
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name = pkg.name;
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version = (builtins.parseDrvName pkg.name).version;
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position = pkg.meta.position;
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urls = pkg.src.urls;
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hash = pkg.src.outputHash;
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}})"""
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def update_version(filename: str, current: str, target: str):
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if target.startswith("v"):
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target = target[1:]
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if current != target:
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with fileinput.FileInput(filename, inplace=True) as f:
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for line in f:
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print(line.replace(current, target), end="")
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def update_hash(filename: str, current: str, target: str):
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if current != target:
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with fileinput.FileInput(filename, inplace=True) as f:
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for line in f:
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line = re.sub(current, target, line)
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print(line, end="")
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def update(import_path: str, attr: str, target_version: Optional[str]) -> None:
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res = subprocess.run(
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["nix", "eval", "--json", eval_attr(import_path, attr)],
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text=True,
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stdout=subprocess.PIPE,
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)
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out = json.loads(res.stdout)
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current_version: str = out["version"]
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if current_version == "":
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name = out["name"]
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die(f"Nix's builtins.parseDrvName could not parse the version from {name}")
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current_hash: str = out["hash"]
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filename, line = out["position"].rsplit(":", 1)
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if not target_version:
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# latest_version = find_repology_release(attr)
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# if latest_version is None:
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target_version = fetch_latest_release(out["urls"][0])
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update_version(filename, current_version, target_version)
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res2 = subprocess.run(
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["nix-prefetch", f"(import {import_path} {{}}).{attr}"],
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text=True,
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stdout=subprocess.PIPE,
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check=True,
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)
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target_hash = res2.stdout.strip()
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update_hash(filename, current_hash, target_hash)
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def parse_args():
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parser = argparse.ArgumentParser()
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help = "File to import rather than default.nix. Examples, ./release.nix"
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parser.add_argument("-f", "--file", default="./.", help=help)
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parser.add_argument("attribute", help="Attribute name within the file evaluated")
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parser.add_argument("version", nargs="?", help="Version to update to")
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return parser.parse_args()
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def main() -> None:
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args = parse_args()
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update(args.file, args.attribute, args.version)
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if __name__ == "__main__":
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main()
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@ -1,82 +0,0 @@
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#!/usr/bin/env python3
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import fileinput
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import json
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import subprocess
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import sys
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import urllib.request
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import xml.etree.ElementTree as ET
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from typing import Optional
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from urllib.parse import urlparse
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def eval_attr(attr: str) -> str:
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return f"""(with import <nixpkgs> {{}};
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let
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pkg = {attr};
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in {{
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position = pkg.meta.position;
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url = pkg.src.meta.homepage;
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hash = pkg.src.outputHash;
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version = (builtins.parseDrvName pkg.name).version;
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}})"""
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def fetch_latest_release(url_str: str) -> str:
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url = urlparse(url_str)
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parts = url.path.split("/")
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owner, repo = parts[1], parts[2]
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assert url.netloc == "github.com"
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resp = urllib.request.urlopen(f"https://github.com/{owner}/{repo}/releases.atom")
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tree = ET.fromstring(resp.read())
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release = tree.find(".//{http://www.w3.org/2005/Atom}entry")
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assert release is not None
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link = release.find("{http://www.w3.org/2005/Atom}link")
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assert link is not None
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href = link.attrib["href"]
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url = urlparse(href)
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return url.path.split("/")[-1]
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def sed(filename: str, search: str, replace: str):
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with fileinput.FileInput(filename, inplace=True) as f:
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for line in f:
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print(line.replace(search, replace), end="")
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def update(attr: str, latest_version: Optional[str]) -> None:
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res = subprocess.run(
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["nix", "eval", "--json", eval_attr(attr)], text=True, stdout=subprocess.PIPE,
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)
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out = json.loads(res.stdout)
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current_version: str = out["version"]
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current_hash: str = out["hash"]
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filename, line = out["position"].rsplit(":", 1)
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if not latest_version:
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latest_version = fetch_latest_release(out["url"])
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if current_version != latest_version:
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sed(filename, current_version, latest_version)
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res2 = subprocess.run(
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["nix-prefetch", "-A", attr], text=True, stdout=subprocess.PIPE
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)
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latest_hash = res2.stdout.strip()
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if current_hash != latest_hash:
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sed(filename, current_hash, latest_hash)
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def main() -> None:
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if len(sys.argv) < 2:
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print(f"USAGE: {sys.argv[0]} package-name [version]")
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sys.exit(1)
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package_attr = sys.argv[1]
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package_attr = sys.argv[1]
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version = None
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if len(sys.argv) == 3:
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version = sys.argv[2]
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update(package_attr, version)
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if __name__ == "__main__":
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main()
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