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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' = ''}
"""
self.data['resources'] = []
"""
resource = {'title' = '',
'file_image' = ''
'file_text' = ''}
"""
self.data['last_resource_id'] = 0
self.data['map_data'] = None
def get_new_resource_id(self):
self.data['last_resource_id'] = self.data['last_resource_id'] + 1
return self.data['last_resource_id']
def get_resource(self, id_resource):
for resource in self.data['resources']:
if resource['id_resource'] == int(id_resource):
return resource
logging.error('ERROR: resource %s not found', id_resource)
return None
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 resource in self.data['resources']:
z.write(resource['file_image'], os.path.join('resources',
os.path.basename(resource['file_image'])))
z.write(resource['file_text'], os.path.join('resources',
os.path.basename(resource['file_text'])))
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')
self.check_resources_directory()
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)
if not 'resources' in self.data:
self.data['resources'] = []
finally:
f.close()
def check_resources_directory(self):
resource_path = os.path.join(activity.get_activity_root(),
'instance', 'resources')
if not os.path.exists(resource_path):
os.makedirs(resource_path)
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