nix-community.nixvim/flake/dev/locate-lsp-packages.py
2025-01-19 12:56:24 +01:00

126 lines
3.2 KiB
Python
Executable file

#!/usr/bin/env python3
# This script requires nix-locate
import json
import os
import subprocess
from dataclasses import dataclass
def find_project_root(root_identifier: str) -> None | str:
current_path = os.getcwd()
while True:
if root_identifier in os.listdir(current_path):
return current_path
parent_path = os.path.dirname(current_path)
if parent_path == current_path:
return None
os.chdir("..")
current_path = os.getcwd()
@dataclass
class CustomCommand:
package: str
cmd: list[str]
@dataclass
class PackageList:
unpackaged: list[str]
packages: dict[str, str | list[str]]
custom_cmd: dict[str, CustomCommand]
def get_current_package(
current_packages: PackageList, server: str
) -> None | str | list[str]:
if (package := current_packages.packages.get(server)) is not None:
return package
elif (custom_cmd := current_packages.custom_cmd.get(server)) is not None:
return custom_cmd.package
else:
return None
def search_for_package(command: list[str]) -> None | str:
nix_locate = subprocess.run(
[
"nix-locate",
"--top-level",
"--whole-name",
"--at-root",
f"/bin/{command[0]}",
],
capture_output=True,
text=True,
)
if nix_locate.stdout == "":
return None
else:
return nix_locate.stdout.strip()
def main():
repo = find_project_root("flake.nix")
# Extract the list of packages in JSON
current_packages = subprocess.run(
[
"nix",
"eval",
"--impure",
"--raw",
"--expr",
f"builtins.toJSON (import {repo}/plugins/lsp/lsp-packages.nix)",
],
capture_output=True,
text=True,
)
current_packages = json.loads(current_packages.stdout)
current_packages = PackageList(
unpackaged=current_packages["unpackaged"],
packages=current_packages["packages"],
custom_cmd={
server: CustomCommand(**info)
for server, info in current_packages["customCmd"].items()
},
)
with open(f"{repo}/generated/lspconfig-servers.json") as f:
generated_servers = json.load(f)
for info in generated_servers:
server: str = info["name"]
print(f"=== {server} ===")
current_package = get_current_package(current_packages, server)
if current_package is not None:
print(f" Current package: {current_package}")
continue
cmd: list[str] | str | None = info.get("cmd")
if cmd is None:
print(" no upstream command")
continue
if not isinstance(cmd, list):
print(" upstream command is a function")
continue
print(f" upstream command: {cmd}")
if len(cmd) == 0:
continue
possible_packages = search_for_package(cmd)
if possible_packages is None:
print(" no package found for command")
else:
print(" POSSIBLE NEW PACKAGE:")
print(possible_packages)
if __name__ == "__main__":
main()