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home-assistant/parse-requirements: write missing deps to component-packages.nix

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This commit is contained in:
Jörg Thalheim 2020-02-26 15:22:48 +00:00
parent 0cf1e8ee05
commit de1119f5fb
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GPG Key ID: 003F2096411B5F92
1 changed files with 61 additions and 50 deletions
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27
pkgs/servers/home-assistant/parse-requirements.py
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@ -24,6 +24,7 @@ import sys
import tarfile
import tempfile
from io import BytesIO
from typing import Dict, Optional
from urllib.request import urlopen
COMPONENT_PREFIX = "homeassistant.components"
@ -78,6 +79,7 @@ def get_reqs(components, component):
return requirements
def dump_packages() -> Dict[str, Dict[str, str]]:
# Store a JSON dump of Nixpkgs' python3Packages
output = subprocess.check_output(
[
@ -90,10 +92,10 @@ output = subprocess.check_output(
"--json",
]
)
packages = json.loads(output)
return json.loads(output)
def name_to_attr_path(req):
def name_to_attr_path(req: str, packages: Dict[str, Dict[str, str]]) -> Optional[str]:
attr_paths = set()
names = [req]
# E.g. python-mpd2 is actually called python3.6-mpd2
@ -124,6 +126,8 @@ def name_to_attr_path(req):
return None
def main() -> None:
packages = dump_packages()
version = get_version()
print("Generating component-packages.nix for version {}".format(version))
components = parse_components(version=version)
@ -137,14 +141,14 @@ for component in sorted(components.keys()):
# Therefore, if there's a "#" in the line, only take the part after it
req = req[req.find("#") + 1 :]
name = req.split("==")[0]
attr_path = name_to_attr_path(name)
attr_path = name_to_attr_path(name, packages)
if attr_path is not None:
# Add attribute path without "python3Packages." prefix
attr_paths.append(attr_path[len(PKG_SET + ".") :])
else:
missing_reqs.append(name)
else:
build_inputs[component] = attr_paths
build_inputs[component] = (attr_paths, missing_reqs)
n_diff = len(reqs) > len(build_inputs[component])
if n_diff > 0:
print("Component {} is missing {} dependencies".format(component, n_diff))
@ -156,9 +160,16 @@ with open(os.path.dirname(sys.argv[0]) + "/component-packages.nix", "w") as f:
f.write("{\n")
f.write(f' version = "{version}";\n')
f.write(" components = {\n")
for component, attr_paths in build_inputs.items():
f.write(' "{component}" = ps: with ps; [ ')
f.write(" ".join(attr_paths))
f.write(" ];\n")
for component, deps in build_inputs.items():
available, missing = deps
f.write(f" \"{component}\" = ps: with ps; [ ")
f.write(" ".join(available))
f.write("];")
if len(missing) > 0:
f.write(f" # missing inputs: {' '.join(missing)}")
f.write("\n")
f.write(" };\n")
f.write("}\n")
if __name__ == '__main__':
main()