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# Deals with storage of data and metadata.
from sugar.datastore import datastore
from canvas import canvas
import time
def unique_title(name):
if name == '':
name = 'Untitled'
objs, num_objects = datastore.find({'title':name, 'TimeLapse':'yes'})
if num_objects == 0:
return name
i = 1
while num_objects != 0:
i += 1
objs, num_objects = datastore.find({'title':name + str(i),
'TimeLapse':'yes'})
return name + str(i)
def change_description(title, new_discription):
dsobjects, num = datastore.find({'title':title, 'TimeLapse':'yes'})
for dsobject in dsobjects:
dsobject.metadata['description'] = new_discription
datastore.write(dsobject)
dsobject.destroy()
def change_name(old_name, new_name):
dsobjects, num = datastore.find({'title':old_name, 'TimeLapse':'yes'})
for dsobject in dsobjects:
dsobject.metadata['title'] = new_name
dsobject.metadata['TimeLapsetitle'] = new_name
datastore.write(dsobject)
dsobject.destroy()
def store_data(entry_title, mime_type, file_path):
file_dsobject = datastore.create()
file_dsobject.metadata['TimeLapse'] = 'yes'
file_dsobject.metadata['TimeLapsetitle'] = entry_title
file_dsobject.metadata['title'] = entry_title
file_dsobject.metadata['mime_type'] = mime_type
file_dsobject.metadata['description'] = ''
file_dsobject.set_file_path(file_path)
datastore.write(file_dsobject)
file_dsobject.destroy()
class Collection:
def __init__(self, tab):
self.tab = tab
self.entry_title = unique_title(tab.jurnal_name)
if tab.video:
self.video_temp = "/tmp/tmp" + str(time.time()) + '.ogv'
if tab.audio:
self.audio_temp = "/tmp/tmp" + str(time.time()) + '.flac'
if tab.image:
self.image_temp = "/tmp/tmp" + str(time.time()) + '.png'
self.start()
def store_data(self):
if self.tab.video:
store_data(self.entry_title, 'video/ogg', self.video_temp)
if self.tab.audio:
store_data(self.entry_title, 'audio/ogg', self.audio_temp)
if self.tab.image:
store_data(self.entry_title, 'image/png', self.image_temp)
canvas.new_data_entry(self.entry_title)
class LapseCollection:
def __init__(self, tab):
self.tab = tab
self.entry_title = unique_title(tab.jurnal_name)
self.lapse_temp = "/tmp/tmp" + str(time.time()) + '.mjpeg'
self.convert_temp = "/tmp/tmp" + str(time.time()) + '.ogg'
self.start()
def store_data(self):
store_data(self.entry_title, 'video/ogg', self.convert_temp)
canvas.new_data_entry(self.entry_title)
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