def find_babel(self):
exename = 'babel'
exepath = get_executable(exename)
npminstall = "npm install -g babel --no-color"
if not exepath:
if win32:
self.ctx.run(npminstall, echo=False, encoding="utf-8")
exepath = get_executable(exename)
else:
raise MissingCommand("Missing babel (%s)" % npminstall)
return exepath
def find_uglify(self):
exename = 'uglifyjs'
exepath = get_executable(exename)
if not exepath:
npminstall = "npm install -g uglify-js --no-color"
if win32:
self.ctx.run(npminstall, echo=False, encoding="utf-8")
exepath = get_executable(exename)
else:
raise MissingCommand("Missing uglifyjs (%s)" % npminstall)
return exepath
def find_nodejs(self): # pragma: nocover
"""Find :program:`node`.
"""
if sys.platform == 'win32':
node_exe = get_executable('node')
else:
node_exe = get_executable('nodejs') or get_executable('node')
if not node_exe: # pragma: nocover
raise MissingCommand("""
Install Node.js using your OS package manager
https://github.com/joyent/node/wiki/Installing-Node.js-via-package-manager
""")
return node_exe
def _find_exe(self, name, requires=(), install_txt=None):
fexe = get_executable(name)
if not fexe: # pragma: nocover
if not install_txt: # pragma: nocover
install_txt = "Missing command: %r [requires: %s]" % (name, requires)
raise MissingCommand(install_txt)
return fexe
def find_npm(self):
"""Find the node package manager (:program:`npm`).
"""
npm_exe = get_executable('npm')
if not npm_exe: # pragma: nocover
raise MissingCommand("""
Install Node.js using your OS package manager
https://github.com/joyent/node/wiki/Installing-Node.js-via-package-manager
""")
return npm_exe
def test_missing_executable():
assert not which.get_executable('chewbaccascousin')
def test_get_executable():
assert which.get_executable('find')
