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vim update.py: allow different in and out files (#71798)

vim update.py: allow different in and out files
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Jörg Thalheim 2019-11-19 11:12:14 +00:00 committed by GitHub
commit f82832e2f4
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@ -8,6 +8,7 @@
# linted:
# $ nix run nixpkgs.python3Packages.flake8 -c flake8 --ignore E501,E265 update.py
import argparse
import functools
import json
import os
@ -29,6 +30,8 @@ ATOM_LINK = "{http://www.w3.org/2005/Atom}link"
ATOM_UPDATED = "{http://www.w3.org/2005/Atom}updated"
ROOT = Path(__file__).parent
DEFAULT_IN = ROOT.joinpath("vim-plugin-names")
DEFAULT_OUT = ROOT.joinpath("generated.nix")
class Repo:
@ -209,9 +212,9 @@ def check_results(
def parse_plugin_line(line: str) -> Tuple[str, str, str]:
try:
name, repo = line.split('/')
name, repo = line.split("/")
try:
repo, alias = repo.split(' as ')
repo, alias = repo.split(" as ")
return (name, repo, alias.strip())
except ValueError:
# no alias defined
@ -220,8 +223,7 @@ def parse_plugin_line(line: str) -> Tuple[str, str, str]:
return (None, None, None)
def load_plugin_spec() -> List[Tuple[str, str]]:
plugin_file = ROOT.joinpath("vim-plugin-names")
def load_plugin_spec(plugin_file: str) -> List[Tuple[str, str]]:
plugins = []
with open(plugin_file) as f:
for line in f:
@ -305,10 +307,10 @@ header = (
)
def generate_nix(plugins: List[Tuple[str, str, Plugin]]):
def generate_nix(plugins: List[Tuple[str, str, Plugin]], outfile: str):
sorted_plugins = sorted(plugins, key=lambda v: v[2].name.lower())
with open(ROOT.joinpath("generated.nix"), "w+") as f:
with open(outfile, "w+") as f:
f.write(header)
f.write(
"""
@ -338,15 +340,44 @@ let
}};
"""
)
f.write("""
f.write(
"""
});
in lib.fix' (lib.extends overrides packages)
""")
print("updated generated.nix")
"""
)
print(f"updated {outfile}")
def parse_args():
parser = argparse.ArgumentParser(
description=(
"Updates nix derivations for vim plugins"
f"By default from {DEFAULT_IN} to {DEFAULT_OUT}"
)
)
parser.add_argument(
"--input-names",
"-i",
dest="input_file",
default=DEFAULT_IN,
help="A list of plugins in the form owner/repo",
)
parser.add_argument(
"--out",
"-o",
dest="outfile",
default=DEFAULT_OUT,
help="Filename to save generated nix code",
)
return parser.parse_args()
def main() -> None:
plugin_names = load_plugin_spec()
args = parse_args()
plugin_names = load_plugin_spec(args.input_file)
current_plugins = get_current_plugins()
cache = Cache(current_plugins)
@ -362,7 +393,7 @@ def main() -> None:
plugins = check_results(results)
generate_nix(plugins)
generate_nix(plugins, args.outfile)
if __name__ == "__main__":