Merge pull request #12 from zfi/demo

Add custom hook to load S3 Demonstration app

Author: zfi

.gitignore

@@ -220,3 +220,6 @@ pip-log.txt
 
 #Mr Developer
 .mr.developer.cfg
+/CloudCompiler-Pkg.tar.gz
+/build
+/deploy-test

cloudcompiler.py

@@ -6,6 +6,7 @@
 
 from SpinCompiler import SpinCompiler
 from PropCCompiler import PropCCompiler
+import base64
 
 __author__ = 'Michel'
 
@@ -110,10 +111,10 @@ def multiple_c(action):
 
 
 def handle_c(action, source_files, app_filename):
-    # format data
+    # format to upper case to make string compares easier
     action = action.upper()
 
-    # check data
+    # Verify that we have received a valid action (COMPILE, BIN, EEPROM)
     if action not in actions:
         failure_data = {
             "success": False,
@@ -129,6 +130,8 @@ def handle_c(action, source_files, app_filename):
             "message": "missing-main-filename"
         }
         return Response(json.dumps(failure_data), 200, mimetype="application/json")
+
+    # Is the application file name is in the list of files
     if app_filename not in source_files:
         failure_data = {
             "success": False,
@@ -137,6 +140,24 @@ def handle_c(action, source_files, app_filename):
         }
         return Response(json.dumps(failure_data), 400, mimetype="application/json")
 
+    # --------------------------------------------------------------
+    # Custom hook to trap the S3 Scribbler demo/initialization block
+    # Look for a specific string in the source file (single.c)
+    # --------------------------------------------------------------
+    if '#pragma load_default_scribbler_binary' in source_files['single.c']:
+        out = "Loading S3 Demo App..."
+        data = {
+            "success": True,
+            "compiler-output": out,
+            "compiler-error": ''
+        }
+
+        if action != "COMPILE":
+            data['binary'] = s3_load_init_binary()
+            data['extension'] = 'elf'
+
+        return Response(json.dumps(data), 200, mimetype="application/json")
+
     # call compiler and prepare return data
     (success, base64binary, extension, out, err) = compilers["PROP-C"].compile(action, source_files, app_filename)
 
@@ -148,12 +169,22 @@ def handle_c(action, source_files, app_filename):
         "compiler-output": out,
         "compiler-error": err
     }
+
     if action != "COMPILE" and success:
         data['binary'] = base64binary
         data['extension'] = extension
+
     return Response(json.dumps(data), 200, mimetype="application/json")
 
 
+def s3_load_init_binary():
+    with open('scribbler_default.binary', 'rb') as f:
+        encoded = base64.b64encode(f.read())
+
+    f.close()
+    return encoded
+
+
 # --------------------------------------- Defaults and compiler initialization --------------------------------
 defaults = {
     'c-compiler': '/opt/parallax/bin/propeller-elf-gcc',
@@ -196,7 +227,7 @@ def handle_c(action, source_files, app_filename):
 
 # ----------------------------------------------- Development server -------------------------------------------
 if __name__ == '__main__':
-    app.debug = True
+    app.debug = False
     app.run(host='0.0.0.0')