def find_version_in_range(versions, semver_range):
'''versions is an array of semver versions and semver_range is a semver range expression.
Assumes the environment has `node` on the $PATH.
'''
logging.debug('Trying to match %s against %s.', semver_range, versions)
if platform_checker.is_windows():
shell = True
# Because we have to use `shell=True` on Windows due to https://bugs.python.org/issue17023,
# we have to do our own escaping. In particular, if semver_range is '>=0.12.0' and is not
# escaped correctly, then Windows will try to write to a file with that name. The built-in
# escaping done by subprocess.Popen() does not appear to do the right thing here (it uses
# single quotes instead of double quotes, which is not sufficient), so we must do the
# escaping ourselves and convert the args into a string to override the default escaping.
semver_range = '"%s"' % semver_range
else:
shell = False
args = [
platform_checker.get_node_executable(), semver, '--range', semver_range
] + versions
if platform_checker.is_windows():
args = ' '.join(args)
proc = subprocess.Popen(args, stdout=subprocess.PIPE, shell=shell)
matching_versions = []
for line in proc.stdout:
matching_versions.append(line.rstrip())
proc.wait()
if proc.returncode:
return None
else:
return matching_versions
def find_version_in_range(versions, semver_range):
'''versions is an array of semver versions and semver_range is a semver range expression.
Assumes the environment has `node` on the $PATH.
'''
logging.debug('Trying to match %s against %s.', semver_range, versions)
if platform_checker.is_windows():
shell = True
# Because we have to use `shell=True` on Windows due to https://bugs.python.org/issue17023,
# we have to do our own escaping. In particular, if semver_range is '>=0.12.0' and is not
# escaped correctly, then Windows will try to write to a file with that name. The built-in
# escaping done by subprocess.Popen() does not appear to do the right thing here (it uses
# single quotes instead of double quotes, which is not sufficient), so we must do the
# escaping ourselves and convert the args into a string to override the default escaping.
semver_range = '"%s"' % semver_range
else:
shell = False
args = [platform_checker.get_node_executable(), semver, '--range', semver_range] + versions
if platform_checker.is_windows():
args = ' '.join(args)
proc = subprocess.Popen(args, stdout=subprocess.PIPE, shell=shell)
matching_versions = []
for line in proc.stdout:
matching_versions.append(line.rstrip())
proc.wait()
if proc.returncode:
return None
else:
return matching_versions
def _is_path_env_variable_set_appropriately(include_apm):
executables = [platform_checker.get_node_executable(), 'npm']
if include_apm:
executables += ['apm']
for executable in executables:
if not _is_executable_on_path(executable):
return False
return True
def _is_path_env_variable_set_appropriately(include_apm):
executables = [platform_checker.get_node_executable(), 'npm']
if include_apm:
executables += ['apm']
for executable in executables:
if not _is_executable_on_path(executable):
return False
return True
def _verify_node():
'''Ensures that Node v0.12.0 or later is on the user's $PATH.'''
# As noted in _install_apm_and_npm_os_x(), ultimately that function should be responsible for
# doing this work.
# First, check for the presence of node. Make sure it is at least v0.12.0.
node_executable = platform_checker.get_node_executable()
if _is_executable_on_path(node_executable):
node_version = fs.cross_platform_check_output([node_executable, '--version']).rstrip()
if semver.find_version_in_range([node_version], '>=0.12.0'):
return
raise Exception('Must install Node v0.12.0 or later. Not found in %s' % os.environ['PATH'])
def _verify_node():
'''Ensures that Node v4.1.1 or later is on the user's $PATH.'''
# As noted in _install_apm_and_npm_os_x(), ultimately that function should be responsible for
# doing this work.
# First, check for the presence of node. Make sure it is at least v4.1.1.
node_executable = platform_checker.get_node_executable()
if _is_executable_on_path(node_executable):
node_version = fs.cross_platform_check_output([node_executable, '--version']).rstrip()
major, minor, patch = re.match(r'^v(\d+)\.(\d+)\.(\d+)$', node_version).group(1, 2, 3)
if (int(major), int(minor), int(patch)) >= (4, 1, 1):
return
raise Exception('Must install Node v4.1.1 or later. Not found in %s' % os.environ['PATH'])
def _verify_node():
'''Ensures that Node v0.12.0 or later is on the user's $PATH.'''
# As noted in _install_apm_and_npm_os_x(), ultimately that function should be responsible for
# doing this work.
# First, check for the presence of node. Make sure it is at least v0.12.0.
node_executable = platform_checker.get_node_executable()
if _is_executable_on_path(node_executable):
node_version = fs.cross_platform_check_output([node_executable, '--version']).rstrip()
major, minor = re.match(r'^v(\d+)\.(\d+)\.(\d+)$', node_version).group(1, 2)
if int(major) > 0 or int(minor) >= 12:
return
raise Exception('Must install Node v0.12.0 or later. Not found in %s' % os.environ['PATH'])
def _verify_node():
'''Ensures that Node v0.12.0 or later is on the user's $PATH.'''
# As noted in _install_apm_and_npm_os_x(), ultimately that function should be responsible for
# doing this work.
# First, check for the presence of node. Make sure it is at least v0.12.0.
node_executable = platform_checker.get_node_executable()
if _is_executable_on_path(node_executable):
node_version = fs.cross_platform_check_output(
[node_executable, '--version']).rstrip()
if semver.find_version_in_range([node_version], '>=0.12.0'):
return
raise Exception('Must install Node v0.12.0 or later. Not found in %s' %
os.environ['PATH'])
def find_version_in_range(versions, semver_range):
'''versions is an array of semver versions and semver_range is a semver range expression.
Assumes the environment has `node` on the $PATH.
'''
logging.debug('Trying to match %s against %s.', semver_range, versions)
args = [platform_checker.get_node_executable(), semver] + versions + ['-r', semver_range]
shell = True if platform_checker.is_windows() else False
proc = subprocess.Popen(args, stdout=subprocess.PIPE, shell=shell)
matching_versions = []
for line in proc.stdout:
matching_versions.append(line.rstrip())
proc.wait()
if proc.returncode:
return None
else:
return matching_versions
def _do_transpile(self, babel_file):
# Store output in memory and then use it to overwrite the original file.
transpiled_js = fs.cross_platform_check_output([
platform_checker.get_node_executable(),
self._transpile_script,
babel_file,
])
# Note that the generated file will often still start with 'use babel', in which case we
# want to strip that line to ensure that Atom does not try to transpile the file again.
# Note that this is not always the case. The transpiled file might start with:
#
# Object.defineProperty(exports, '__esModule', {
#
# in which case stripping the first line would leave the file in an unparseable state.
end_of_first_line = transpiled_js.index('\n')
first_line = transpiled_js[:end_of_first_line]
if has_babel_pragma(first_line):
transpiled_js = transpiled_js[end_of_first_line + 1:]
with open(babel_file, 'w') as f:
f.write(transpiled_js)
def _do_transpile(self, babel_file):
# Store output in memory and then use it to overwrite the original file.
transpiled_js = fs.cross_platform_check_output([
platform_checker.get_node_executable(),
self._transpile_script,
babel_file,
])
# Note that the generated file will often still start with 'use babel', in which case we
# want to strip that line to ensure that Atom does not try to transpile the file again.
# Note that this is not always the case. The transpiled file might start with:
#
# Object.defineProperty(exports, '__esModule', {
#
# in which case stripping the first line would leave the file in an unparseable state.
end_of_first_line = transpiled_js.index('\n')
first_line = transpiled_js[:end_of_first_line]
if has_babel_pragma(first_line):
transpiled_js = transpiled_js[end_of_first_line + 1:]
with open(babel_file, 'w') as f:
f.write(transpiled_js)
