FilesExpand file tree

 master

/

python.js

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

60 lines (49 loc) · 1.47 KB

 master

/

python.js

Copy path

Top

File metadata and controls

• Code
• Blame

60 lines (49 loc) · 1.47 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

var util = require('util');

var spawn = require('child_process').spawn;

var child = spawn('python',['-u','-i']);

var cmdQueue = new Array();

child.stdout.on('data', handleStdout);

child.stderr.on('data', handleStderr);

child.on('exit', handleExit);

function handleStdout(data) {

var datastr = data.toString('utf8');

var finished = false;

if (datastr.match(/Command Start\n/)) {

datastr = datastr.replace(/Command Start\n/,'');

}

if (datastr.match(/Command End\n/)) {

datastr = datastr.replace(/Command End\n/,'');

finished = true;

}

if (cmdQueue.length > 0) {

cmdQueue[0].data+=datastr;

}

if (finished) {

cmd = cmdQueue.shift();

if (cmd && cmd.command) {

if (undefined != typeof cmd.callback) {

cmd.callback(null, cmd.data);

processQueue();

}

}

}

};

function handleStderr(data) {

processQueue();

};

function processQueue() {

if (cmdQueue.length > 0 && cmdQueue[0].state === 'pending') {

cmdQueue[0].state = 'processing';

child.stdin.write(cmdQueue[0].command, encoding='utf8');

}

};

function handleExit(code) {

console.log('child process exited with code ' + code);

process.exit();

};

this.shell = function (command, callback) {

command = 'print "Command Start"; ' + command + '\nprint "Command End"';

if (command.charAt[command.length-1]!='\n') command += '\n';

cmdQueue.push({'command':command, 'callback':callback, 'data': '', state: 'pending'});

processQueue();

};