def check_if_installed(self):
cmd = [self.tool_path, '-version']
self.log.debug("Trying %s: %s", self.tool_name, cmd)
try:
output = sync_run(cmd)
self.log.debug("%s output: %s", self.tool_name, output)
self.version = self._get_version(output)
return True
except (subprocess.CalledProcessError, OSError) as exc:
self.log.debug("Failed to check %s: %s", self.tool_name, exc)
return False
def check_if_installed(self):
cmd = [self.tool_path, '-version']
self.log.debug("Trying %s: %s", self.tool_name, cmd)
try:
output = sync_run(cmd)
self.log.debug("%s output: %s", self.tool_name, output)
self.version = self._get_version(output)
return True
except (subprocess.CalledProcessError, OSError) as exc:
self.log.debug("Failed to check %s: %s", self.tool_name, exc)
return False
def install(self):
try:
package_name = self.package_name
if self.version:
package_name += "@" + self.version
cmdline = [self.npm.tool_path, 'install', package_name, '--prefix', self.tools_dir, '--no-save']
output = sync_run(cmdline)
self.log.debug("%s install output: %s", self.tool_name, output)
return True
except CALL_PROBLEMS:
self.log.debug("%s install failed: %s", self.package_name, traceback.format_exc())
return False
def check_if_installed(self):
try:
cmdline = [self.node.tool_path, "-e"]
ok_msg = "%s is installed" % self.package_name
cmdline.append("require('%s'); console.log('%s');" % (self.package_name, ok_msg))
self.log.debug("%s check cmdline: %s", self.package_name, cmdline)
self.log.debug("NODE_PATH for check: %s", self.env.get("NODE_PATH"))
output = sync_run(cmdline, env=self.env.get())
return ok_msg in output
except CALL_PROBLEMS:
self.log.debug("%s check failed: %s", self.package_name, traceback.format_exc())
return False
def check_if_installed(self):
candidates = ["npm"]
if is_windows():
candidates.append("npm.cmd")
for candidate in candidates:
try:
self.log.debug("Trying %r", candidate)
output = sync_run([candidate, '--version'])
self.log.debug("%s output: %s", candidate, output)
self.tool_path = candidate
return True
except CALL_PROBLEMS:
self.log.debug("%r is not installed", candidate)
continue
return False
