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from __future__ import annotations

import contextlib

import os.path

import re

import tempfile

import xml.etree.ElementTree

import zipfile

from collections.abc import Generator

from collections.abc import Sequence

from pre_commit import lang_base

from pre_commit.envcontext import envcontext

from pre_commit.envcontext import PatchesT

from pre_commit.envcontext import Var

from pre_commit.prefix import Prefix

ENVIRONMENT_DIR = 'dotnetenv'

BIN_DIR = 'bin'

get_default_version = lang_base.basic_get_default_version

health_check = lang_base.basic_health_check

run_hook = lang_base.basic_run_hook

def get_env_patch(venv: str) -> PatchesT:

return (

('PATH', (os.path.join(venv, BIN_DIR), os.pathsep, Var('PATH'))),

)

@contextlib.contextmanager

def in_env(prefix: Prefix, version: str) -> Generator[None]:

envdir = lang_base.environment_dir(prefix, ENVIRONMENT_DIR, version)

with envcontext(get_env_patch(envdir)):

yield

@contextlib.contextmanager

def _nuget_config_no_sources() -> Generator[str]:

with tempfile.TemporaryDirectory() as tmpdir:

nuget_config = os.path.join(tmpdir, 'nuget.config')

with open(nuget_config, 'w') as f:

f.write(

'<?xml version="1.0" encoding="utf-8"?>'

'<configuration>'

' <packageSources>'

' <clear />'

' </packageSources>'

'</configuration>',

)

yield nuget_config

def install_environment(

prefix: Prefix,

version: str,

additional_dependencies: Sequence[str],

) -> None:

lang_base.assert_version_default('dotnet', version)

lang_base.assert_no_additional_deps('dotnet', additional_dependencies)

envdir = lang_base.environment_dir(prefix, ENVIRONMENT_DIR, version)

build_dir = prefix.path('pre-commit-build')

# Build & pack nupkg file

lang_base.setup_cmd(

prefix,

(

'dotnet', 'pack',

'--configuration', 'Release',

'--property', f'PackageOutputPath={build_dir}',

)

nupkg_dir = prefix.path(build_dir)

nupkgs = [x for x in os.listdir(nupkg_dir) if x.endswith('.nupkg')]

if not nupkgs:

raise AssertionError('could not find any build outputs to install')

for nupkg in nupkgs:

with zipfile.ZipFile(os.path.join(nupkg_dir, nupkg)) as f:

nuspec, = (x for x in f.namelist() if x.endswith('.nuspec'))

with f.open(nuspec) as spec:

tree = xml.etree.ElementTree.parse(spec)

namespace = re.match(r'{.*}', tree.getroot().tag)

if not namespace:

raise AssertionError('could not parse namespace from nuspec')

tool_id_element = tree.find(f'.//{namespace[0]}id')

if tool_id_element is None:

raise AssertionError('expected to find an "id" element')

tool_id = tool_id_element.text

if not tool_id:

raise AssertionError('"id" element missing tool name')

# Install to bin dir

with _nuget_config_no_sources() as nuget_config:

lang_base.setup_cmd(

prefix,

(

'dotnet', 'tool', 'install',

'--configfile', nuget_config,

'--tool-path', os.path.join(envdir, BIN_DIR),

'--add-source', build_dir,

tool_id,

)

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