65 lines
2.1 KiB
Python
65 lines
2.1 KiB
Python
import json
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import os
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import subprocess as sp
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import tempfile
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from os.path import realpath, dirname
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from time import time
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import toml
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from mach_nix import generate
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def main():
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pwd = dirname(realpath(__file__))
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os.environ['py_ver_str'] = '3.7.5'
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os.environ['system'] = 'x86_64-linux'
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os.environ['out_file'] = f'{pwd}/overrides.nix'
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os.environ['disable_checks'] = 'true'
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with open(pwd + "/../mach_nix/provider_defaults.toml") as f:
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provider_settings = toml.load(f)
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if os.path.isfile("./providers.toml"):
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with open(pwd + "./providers.toml") as f:
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provider_settings.update(toml.load(f))
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provider_settings.update(dict(
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# _default = "conda"
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))
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os.environ['providers'] = json.dumps(provider_settings)
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nixpkgs_json = tempfile.mktemp()
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cmd = f'nix-build {pwd}/../mach_nix/nix/nixpkgs-json.nix -o {nixpkgs_json} --show-trace'
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sp.check_call(cmd, shell=True)
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os.environ['nixpkgs_json'] = nixpkgs_json
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pypi_deps_db = tempfile.mktemp()
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cmd = f'nix-build {pwd}/../mach_nix/nix/deps-db-and-fetcher.nix -A pypi_deps_db_src -o {pypi_deps_db} --show-trace'
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sp.check_call(cmd, shell=True)
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os.environ['pypi_deps_db_src'] = pypi_deps_db
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providers = tempfile.mktemp()
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cmd = f'nix-build {pwd}/../mach_nix/nix/lib.nix -A parseProvidersToJson -o {providers} --show-trace'
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sp.check_call(cmd, shell=True)
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os.environ['providers'] = providers
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conda_channels_json = tempfile.mktemp()
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cmd = f'nix-build {pwd}/../mach_nix/nix/conda-channels.nix -A condaChannelsJson -o {conda_channels_json} --show-trace'
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sp.check_call(cmd, shell=True)
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os.environ['conda_channels_json'] = conda_channels_json
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for key in ('PYPI_FETCHER_COMMIT', 'PYPI_FETCHER_SHA256'):
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with open(f"{pypi_deps_db}/{key}") as f:
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os.environ[key.lower()] = f.read()
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with open(pwd + "/reqs.txt") as f:
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os.environ['requirements'] = f.read()
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# generates and writes nix expression into ./debug/expr.nix
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start = time()
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generate.main()
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dur = round(time() - start, 1)
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print(f"resolving took: {dur}s")
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main()
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