Initial persistence

1 files changed, 73 insertions, 0 deletions

diff --git a/model.py b/model.py
new file mode 100644
index 0000000..676874c
--- /dev/null
+++ b/model.py
@@ -0,0 +1,73 @@
+import os
+import sys
+import logging
+import simplejson
+from sugar.activity import activity
+import zipfile
+
+
+class GameModel:
+
+    def __init__(self):
+        self.data = {}
+        self.data['questions'] = []
+        """
+        question = {'question' = '',
+                    'type' = ''  # TEXT / GRAPH
+                    'replies' [ {'text': '',
+                                'valid': } # True / False
+                    'file_graph_display' = '',
+                    'file_graph_mask' = ''}
+        """
+
+    def write(self, file_name):
+
+        instance_path = os.path.join(activity.get_activity_root(), 'instance')
+
+        data_file_name = 'data.json'
+        f = open(os.path.join(instance_path, data_file_name), 'w')
+        try:
+            simplejson.dump(self.data, f)
+        finally:
+            f.close()
+
+        logging.error('write file_name %s', file_name)
+
+        z = zipfile.ZipFile(file_name, 'w')
+        z.write(os.path.join(instance_path, data_file_name).encode('ascii',
+            'ignore'), data_file_name.encode('ascii', 'ignore'))
+        """
+        for box in page.boxs:
+            if (box.image_name != ''):
+                z.write(os.path.join(instance_path,
+                    box.image_name).encode('ascii', 'ignore'),
+                    box.image_name.encode('ascii', 'ignore'))
+        """
+        z.close()
+
+    def read(self, file_name):
+
+        logging.error('model.read %s', file_name)
+        instance_path = os.path.join(activity.get_activity_root(), 'instance')
+        z = zipfile.ZipFile(file_name, 'r')
+        for zipped_file in z.namelist():
+            if (zipped_file != './'):
+                try:
+                    logging.error('extrayendo %s', zipped_file)
+                    # la version de python en las xo no permite hacer
+                    # extract :(
+                    # z.extract(file_name,instance_path)
+                    data = z.read(zipped_file)
+                    fout = open(os.path.join(instance_path, zipped_file), 'w')
+                    fout.write(data)
+                    fout.close()
+                except:
+                    logging.error('Error extrayendo %s', zipped_file)
+        z.close()
+        data_file_name = 'data.json'
+
+        f = open(os.path.join(instance_path, data_file_name), 'r')
+        try:
+            self.data = simplejson.load(f)
+        finally:
+            f.close()