def ensure_rust_modern(self):
modern, version = self.is_rust_modern()
if modern:
print('Your version of Rust (%s) is new enough.' % version)
return
if not version:
# Rust wasn't in PATH. Try the standard path.
cargo_home = os.environ.get(
'CARGO_HOME', os.path.expanduser(os.path.join('~', '.cargo')))
cargo_bin = os.path.join(cargo_home, 'bin')
try_rustc = os.path.join(cargo_bin, 'rustc' + rust.exe_suffix())
try_cargo = os.path.join(cargo_bin, 'cargo' + rust.exe_suffix())
have_rustc = os.path.exists(try_rustc)
have_cargo = os.path.exists(try_cargo)
if have_rustc or have_cargo:
print(RUST_NOT_IN_PATH % {
'cargo_bin': cargo_bin,
'cargo_home': cargo_home
})
sys.exit(1)
rustup = self.which('rustup')
if rustup:
rustup_version = self._parse_version(rustup)
if not rustup_version:
print(RUSTUP_OLD)
sys.exit(1)
if not version:
# We have rustup but no rustc.
# Try running rustup; maybe it will fix things.
print('Found rustup. Will try to upgrade.')
else:
# We have both rustup and rustc.
print(
'Your version of Rust (%s) is too old. Will try to upgrade.'
% version)
self.upgrade_rust(rustup)
else:
# No rustc or rustup.
print('Will try to install Rust.')
self.install_rust()
modern, after = self.is_rust_modern()
if not modern:
print(RUST_UPGRADE_FAILED % (MODERN_RUST_VERSION, after))
sys.exit(1)
def ensure_rust_modern(self):
modern, version = self.is_rust_modern()
if modern:
print("Your version of Rust (%s) is new enough." % version)
return
if not version:
# Rust wasn't in PATH. Try the standard path.
cargo_home, cargo_bin = self.cargo_home()
try_rustc = os.path.join(cargo_bin, "rustc" + rust.exe_suffix())
try_cargo = os.path.join(cargo_bin, "cargo" + rust.exe_suffix())
have_rustc = os.path.exists(try_rustc)
have_cargo = os.path.exists(try_cargo)
if have_rustc or have_cargo:
print(RUST_NOT_IN_PATH % {"cargo_bin": cargo_bin})
print(RUST_PATH_ADVICE % {"cargo_home": cargo_home})
sys.exit(1)
rustup = self.which("rustup")
if rustup:
rustup_version = self._parse_version(rustup)
if not rustup_version:
print(RUSTUP_OLD)
sys.exit(1)
if not version:
# We have rustup but no rustc.
# Try running rustup; maybe it will fix things.
print("Found rustup. Will try to upgrade.")
else:
# We have both rustup and rustc.
print("Your version of Rust (%s) is too old. Will try to upgrade." % version)
self.upgrade_rust(rustup)
modern, after = self.is_rust_modern()
if not modern:
print(RUST_UPGRADE_FAILED % (MODERN_RUST_VERSION, after))
sys.exit(1)
else:
# No rustc or rustup.
print("Will try to install Rust.")
self.install_rust()
def ensure_rust_modern(self):
modern, version = self.is_rust_modern()
if modern:
print('Your version of Rust (%s) is new enough.' % version)
rustup = self.which('rustup')
if rustup:
self.ensure_rust_targets(rustup)
return
if not version:
# Rust wasn't in PATH. Check the standard location.
cargo_home, cargo_bin = self.cargo_home()
try_rustc = os.path.join(cargo_bin, 'rustc' + rust.exe_suffix())
try_cargo = os.path.join(cargo_bin, 'cargo' + rust.exe_suffix())
have_rustc = os.path.exists(try_rustc)
have_cargo = os.path.exists(try_cargo)
if have_rustc or have_cargo:
self.print_rust_path_advice(RUST_NOT_IN_PATH, cargo_home,
cargo_bin)
sys.exit(1)
else:
print('Your version of Rust (%s) is too old.' % version)
rustup = self.which('rustup')
if rustup:
rustup_version = self._parse_version(rustup)
if not rustup_version:
print(RUSTUP_OLD)
sys.exit(1)
print('Found rustup. Will try to upgrade.')
self.upgrade_rust(rustup)
modern, after = self.is_rust_modern()
if not modern:
print(RUST_UPGRADE_FAILED % (MODERN_RUST_VERSION, after))
sys.exit(1)
else:
# No rustup. Download and run the installer.
print('Will try to install Rust.')
self.install_rust()
def ensure_rust_modern(self):
modern, version = self.is_rust_modern()
if modern:
print('Your version of Rust (%s) is new enough.' % version)
rustup = self.which('rustup')
if rustup:
self.ensure_rust_targets(rustup)
return
if not version:
# Rust wasn't in PATH. Check the standard location.
cargo_home, cargo_bin = self.cargo_home()
try_rustc = os.path.join(cargo_bin, 'rustc' + rust.exe_suffix())
try_cargo = os.path.join(cargo_bin, 'cargo' + rust.exe_suffix())
have_rustc = os.path.exists(try_rustc)
have_cargo = os.path.exists(try_cargo)
if have_rustc or have_cargo:
self.print_rust_path_advice(RUST_NOT_IN_PATH,
cargo_home, cargo_bin)
sys.exit(1)
else:
print('Your version of Rust (%s) is too old.' % version)
rustup = self.which('rustup')
if rustup:
rustup_version = self._parse_version(rustup)
if not rustup_version:
print(RUSTUP_OLD)
sys.exit(1)
print('Found rustup. Will try to upgrade.')
self.upgrade_rust(rustup)
modern, after = self.is_rust_modern()
if not modern:
print(RUST_UPGRADE_FAILED % (MODERN_RUST_VERSION, after))
sys.exit(1)
else:
# No rustup. Download and run the installer.
print('Will try to install Rust.')
self.install_rust()