iframe-proxy | Sunbelt Computer Software

History

180 lines (149 loc) · 5.82 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

from __future__ import annotations

import contextlib

import functools

import os.path

import platform

import shutil

import sys

import tempfile

import urllib.request

from typing import Generator

from typing import Sequence

import pre_commit.constants as C

from pre_commit import parse_shebang

from pre_commit.envcontext import envcontext

from pre_commit.envcontext import PatchesT

from pre_commit.envcontext import Var

from pre_commit.hook import Hook

from pre_commit.languages import helpers

from pre_commit.prefix import Prefix

from pre_commit.util import clean_path_on_failure

from pre_commit.util import cmd_output_b

from pre_commit.util import make_executable

from pre_commit.util import win_exe

ENVIRONMENT_DIR = 'rustenv'

health_check = helpers.basic_health_check

@functools.lru_cache(maxsize=1)

def get_default_version() -> str:

# If rust is already installed, we can save a bunch of setup time by

# using the installed version.

# Just detecting the executable does not suffice, because if rustup is

# installed but no toolchain is available, then `cargo` exists but

# cannot be used without installing a toolchain first.

if cmd_output_b('cargo', '--version', check=False)[0] == 0:

return 'system'

else:

return C.DEFAULT

def _rust_toolchain(language_version: str) -> str:

"""Transform the language version into a rust toolchain version."""

if language_version == C.DEFAULT:

return 'stable'

else:

return language_version

def _envdir(prefix: Prefix, version: str) -> str:

directory = helpers.environment_dir(ENVIRONMENT_DIR, version)

return prefix.path(directory)

def get_env_patch(target_dir: str, version: str) -> PatchesT:

return (

('CARGO_HOME', target_dir),

('PATH', (os.path.join(target_dir, 'bin'), os.pathsep, Var('PATH'))),

# Only set RUSTUP_TOOLCHAIN if we don't want use the system's default

# toolchain

(('RUSTUP_TOOLCHAIN', _rust_toolchain(version)),)

if version != 'system' else ()

)

@contextlib.contextmanager

def in_env(

prefix: Prefix,

language_version: str,

) -> Generator[None, None, None]:

with envcontext(

get_env_patch(_envdir(prefix, language_version), language_version),

yield

def _add_dependencies(

prefix: Prefix,

additional_dependencies: set[str],

) -> None:

crates = []

for dep in additional_dependencies:

name, _, spec = dep.partition(':')

crate = f'{name}@{spec or "*"}'

crates.append(crate)

helpers.run_setup_cmd(prefix, ('cargo', 'add', *crates))

def install_rust_with_toolchain(toolchain: str) -> None:

with tempfile.TemporaryDirectory() as rustup_dir:

with envcontext((('RUSTUP_HOME', rustup_dir),)):

# acquire `rustup` if not present

if parse_shebang.find_executable('rustup') is None:

# We did not detect rustup and need to download it first.

if sys.platform == 'win32': # pragma: win32 cover

if platform.machine() == 'x86_64':

url = 'https://win.rustup.rs/x86_64'

else:

url = 'https://win.rustup.rs/i686'

else: # pragma: win32 no cover

url = 'https://sh.rustup.rs'

resp = urllib.request.urlopen(url)

rustup_init = os.path.join(rustup_dir, win_exe('rustup-init'))

with open(rustup_init, 'wb') as f:

shutil.copyfileobj(resp, f)

make_executable(rustup_init)

# install rustup into `$CARGO_HOME/bin`

cmd_output_b(

rustup_init, '-y', '--quiet', '--no-modify-path',

'--default-toolchain', 'none',

)

cmd_output_b(

'rustup', 'toolchain', 'install', '--no-self-update',

toolchain,

)

def install_environment(

prefix: Prefix,

version: str,

additional_dependencies: Sequence[str],

) -> None:

directory = _envdir(prefix, version)

# There are two cases where we might want to specify more dependencies:

# as dependencies for the library being built, and as binary packages

# to be `cargo install`'d.

# Unlike e.g. Python, if we just `cargo install` a library, it won't be

# used for compilation. And if we add a crate providing a binary to the

# `Cargo.toml`, the binary won't be built.

# Because of this, we allow specifying "cli" dependencies by prefixing

# with 'cli:'.

cli_deps = {

dep for dep in additional_dependencies if dep.startswith('cli:')

}

lib_deps = set(additional_dependencies) - cli_deps

with clean_path_on_failure(directory):

packages_to_install: set[tuple[str, ...]] = {('--path', '.')}

for cli_dep in cli_deps:

cli_dep = cli_dep[len('cli:'):]

package, _, crate_version = cli_dep.partition(':')

if crate_version != '':

packages_to_install.add((package, '--version', crate_version))

else:

packages_to_install.add((package,))

with in_env(prefix, version):

if version != 'system':

install_rust_with_toolchain(_rust_toolchain(version))

if len(lib_deps) > 0:

_add_dependencies(prefix, lib_deps)

for args in packages_to_install:

cmd_output_b(

'cargo', 'install', '--bins', '--root', directory, *args,

cwd=prefix.prefix_dir,

)

def run_hook(

hook: Hook,

file_args: Sequence[str],

color: bool,

) -> tuple[int, bytes]:

with in_env(hook.prefix, hook.language_version):

return helpers.run_xargs(hook, hook.cmd, file_args, color=color)

Sunbelt Computer Software

PL/B Language Development and Support

Navigation Menu

Sunbelt Computer Software

PL/B Language Development and Support

FilesExpand file tree

rust.py

Latest commit

History

rust.py

File metadata and controls