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Add runtime check for sensehat python libs

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This commit is contained in:
Nick O'Leary 2016-03-21 10:43:07 +00:00
parent c3a8a4088d
commit d17ac7eb2e
2 changed files with 7 additions and 4 deletions
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2
hardware/sensehat/package.json
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@ -1,6 +1,6 @@
{
"name" : "node-red-node-pi-sense-hat",
"version" : "0.0.8",
"version" : "0.0.9",
"description" : "A Node-RED node to interact with a Raspberry Pi Sense HAT",
"repository" : {
"type":"git",

9
hardware/sensehat/sensehat.js
View File

@ -22,9 +22,12 @@ module.exports = function(RED) {
var hatCommand = __dirname+'/sensehat';
if ( !(1 & parseInt ((fs.statSync(hatCommand).mode & parseInt ("777", 8)).toString (8)[0]) )) {
RED.log.error(hatCommand + " command is not executable");
throw "Error : "+RED._("node-red:rpi-gpio.errors.mustbeexecutable");
if (!fs.existsSync('/usr/lib/python2.7/dist-packages/sense_hat')) {
throw "Error: Can't find Sense HAT python libraries. Run sudo apt-get install sense-hat";
}
if ( !(1 & parseInt((fs.statSync(hatCommand).mode & parseInt ("777", 8)).toString(8)[0]) )) {
throw "Error: "+RED._("node-red:rpi-gpio.errors.mustbeexecutable");
}
// the magic to make python print stuff immediately