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#!/usr/bin/env nix-shell
#!nix-shell --pure -i python3 -p "python3.withPackages (ps: with ps; [ requests ])"
import json
import os
import requests
import sys
def parse_packages(text):
res = []
for package in resp.text.split("\n\n"):
if not package: continue
pkg = {}
for field in package.split("\n"):
if field.startswith(" "): # multiline string
pkg[k] += "\n" + field[1:]
else:
[k, v] = field.split(": ", 1)
pkg[k] = v
res.append(pkg)
return res
def generate_sources(packages):
sources_spec = {}
for pkg in pkgs:
sources_spec[pkg['Package']] = {
"url": "https://labs.picotech.com/rc/picoscope7/debian/" + pkg["Filename"],
"sha256": pkg["SHA256"],
"version": pkg["Version"]
}
return sources_spec
out = {}
for nix_system, release in {"x86_64-linux": "amd64"}.items():
resp = requests.get("https://labs.picotech.com/rc/picoscope7/debian//dists/picoscope/main/binary-"+release+"/Packages")
if resp.status_code != 200:
print("error: could not fetch data for release {} (code {})".format(release, resp.code), file=sys.stderr)
sys.exit(1)
pkgs = parse_packages(resp.text)
out[nix_system] = generate_sources(pkgs)
with open(os.path.dirname(__file__) + "/sources.json", "w") as f:
json.dump(out, f, indent=2, sort_keys=True)
f.write('\n')
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