merged private server and console to private-cloud

2020-01-12 19:15:08 +08:00
parent 15d977ccd6
commit 90f2d17331
176 changed files with 220265 additions and 0 deletions
--- a/console/mini_poem/external/python_caller.js
+++ b/console/mini_poem/external/python_caller.js
@@ -0,0 +1,83 @@
+/**
+ * Created by strawmanbobi
+ * 2016-12-03
+ */
+
+var pythonShell = require('python-shell');
+
+var constants = require('../configuration/constants.js');
+var logger = require('../logging/logger4js').helper;
+
+var ErrorCode = require('../configuration/error_code.js');
+
+var errorCode = new ErrorCode();
+
+var PythonCaller = function() {
+
+};
+
+/*
+ * Call python script from application
+ *
+ * input parameters :   Script run-time base dir
+ *                      Script script filename
+ *                      User determined arguments ...
+ *                      Call back function
+ *
+ * return :             Error code of python caller
+ */
+PythonCaller.prototype.call = function() {
+    var userArgIndex = 0;
+    var numArgs = arguments.length;
+    var callback = null;
+    var scriptPath = null;
+    var scriptName = null;
+    var userArguments = [];
+    if(numArgs < 3) {
+        logger.error("internal error while calling python script from application : no script specified");
+        // TODO: specify the error code for this type of error
+        throw errorCode.PYTHON_ARGUMENTS_ERROR;
+    } else {
+        callback = arguments[numArgs - 1];
+        if((typeof callback != 'function')) {
+            logger.error('internal error while calling python script from application : no callback specified');
+            throw errorCode.PYTHON_CALLBACK_NOT_SPECIFIED;
+        } else {
+            scriptPath = arguments[0];
+            scriptName = arguments[1];
+            if(null == scriptPath || 'undefined' == scriptPath || null == scriptName || 'undefined' == scriptName) {
+                logger.error('internal error while calling python script from application : no script path specified');
+                // TODO: specify the error code for this type of error
+                throw errorCode.PYTHON_SCRIPT_PATH_NOT_SPECIFIED;
+            } else {
+                // parse user arguments from python caller
+                var args = arguments[2];
+                for(userArgIndex = 0; userArgIndex < args.length; userArgIndex++) {
+                    userArguments.push(args[userArgIndex]);
+                }
+                // logger.info("user arguments = " + userArguments);
+                var options = {
+                    mode: 'text',
+                    pythonPath: PYTHON_PATH,
+                    pythonOptions: ['-u'],
+                    scriptPath: scriptPath, // the base path of python run-time
+                    args: userArguments
+                };
+
+                pythonShell.run(scriptName, options, function (err, results) {
+                    if (err) {
+                        logger.error('python executing with error : ' + err);
+                        callback(errorCode.FAILED, null);
+                    } else {
+                        // results is an array consisting of messages collected during execution
+                        logger.info('python executed successfully, results = %j', results);
+                        callback(errorCode.SUCCESS, results);
+                    }
+                });
+                return errorCode.PYTHON_SCRIPT_SUCCESS;
+            }
+        }
+    }
+};
+
+module.exports = PythonCaller;