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fixes for noe-pixel to check more thoroughly for new libs

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while supporting old ones also.
This commit is contained in:
Dave Conway-Jones
2017-09-01 15:22:35 +01:00
parent 39fd3b85cd
commit e376802ff4
7 changed files with 40 additions and 20 deletions
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2
hardware/unicorn/package.json
View File

@@ -1,6 +1,6 @@
{
"name" : "node-red-node-pi-unicorn-hat",
"version" : "0.0.15",
"version" : "0.0.16",
"description" : "A Node-RED node to output to a Raspberry Pi Unicorn HAT from Pimorini.",
"dependencies" : {
"pngjs": "2.2.*"

6
hardware/unicorn/scripts/checklib.js
View File

@@ -1,13 +1,13 @@
#!/usr/bin/env node
var fs = require('fs');
if (!fs.existsSync('/usr/local/lib/python2.7/dist-packages/neopixel')) {
console.warn("WARNING : Can't find unicorn.py python library");
if (!fs.existsSync('/usr/local/lib/python2.7/dist-packages/unicornhat.py')) {
console.warn("WARNING : Can't find required python library");
console.warn("WARNING : Please install using the following command");
console.warn("WARNING : Note: this uses root...");
console.warn("WARNING : curl -sS get.pimoroni.com/unicornhat | bash\n");
//process.exit(1);
}
else {
console.log("Unicorn Hat Python library found OK.\n")
console.log("Python library found OK.\n")
}

7
hardware/unicorn/unicorn.js
View File

@@ -4,6 +4,7 @@ module.exports = function(RED) {
var fs = require('fs');
var PNG = require('pngjs').PNG;
var spawn = require('child_process').spawn;
var execSync = require('child_process').execSync;
var hatCommand = __dirname+'/unihat';
@@ -12,9 +13,9 @@ module.exports = function(RED) {
throw "Info : "+RED._("rpi-gpio.errors.ignorenode");
}
if (!fs.existsSync('/usr/local/lib/python2.7/dist-packages/neopixel')) {
RED.log.warn("Can't find Unicorn HAT python libraries");
throw "Warning : Can't find Unicorn HAT python libraries";
if (execSync('python -c "import neopixel"').toString() !== "") {
RED.log.warn("Can't find neopixel python library");
throw "Warning : Can't find neopixel python library";
}
if ( !(1 & parseInt ((fs.statSync(hatCommand).mode & parseInt ("777", 8)).toString (8)[0]) )) {