From a993ae58f3c848bbf46c90f217d1dbc1f44828c1 Mon Sep 17 00:00:00 2001 From: Aaron LI Date: Wed, 23 Nov 2016 16:53:57 +0800 Subject: webui: products: Implement GET action "which" The "which" GET action try to locate the given executable name/path, in order to check whether the executable callable. This function will be used to check the validity of the specified FITS viewer, which opens the HPX FITS images. --- fg21sim/webui/handlers/products.py | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'fg21sim/webui/handlers') diff --git a/fg21sim/webui/handlers/products.py b/fg21sim/webui/handlers/products.py index f68fa5d..ffb27bb 100644 --- a/fg21sim/webui/handlers/products.py +++ b/fg21sim/webui/handlers/products.py @@ -8,6 +8,7 @@ Handle the AJAX requests from the client to manage the simulation products. import os import logging +import shutil import tornado.ioloop from tornado.escape import json_decode, json_encode @@ -41,16 +42,32 @@ class ProductsAJAXHandler(BaseRequestHandler): Supported actions: - get: Get the current products manifest + - which: Locate the command/program (check whether the command/program + can be found in PATH and is executable) - download: TODO - open: TODO """ action = self.get_argument("action", "get") if action == "get": + # Get current products manifest response = { "manifest": self.products.manifest, "localhost": self.from_localhost, } success = True + elif action == "which": + # Locate (and check) the command/program + cmd = json_decode(self.get_argument("cmd")) + cmdpath = shutil.which(cmd) + if cmdpath: + success = True + response = { + "isExecutable": True, + "cmdPath": cmdpath, + } + else: + success = False + reason = "Cannot locate the executable for: {0}".format(cmd) else: # ERROR: bad action success = False -- cgit v1.2.2