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#!/usr/bin/python
import os, sys, subprocess
from sugar.activity import activity
from path import path
try:
from sugar import profile
_using_gconf = False
except ImportError:
_using_gconf = True
try:
import gconf
except ImportError:
_using_gconf = False
DATAPATH = path(activity.get_activity_root())/ 'data'
WORKPATH = DATAPATH / 'work'
USB = path('/media/2011/courseware')
SS = path('/library/courseware')
#executes sftp command contained in scrpt
#note scrpt must be written to disk and read by sftp command
def sftp(script, folder = None):
pth = WORKPATH / 'script'
subprocess.call('rm -rf ' + pth, shell=True)
subprocess.call('mkdir -p ' + WORKPATH, shell=True)
fout = open(pth, 'w')
fout.write(script)
fout.close()
authpth = '/home/olpc/.sugar/default/owner.key'
auth = ' -oIdentityFile=' + authpth
scrpt = ' -b ' + pth
fin = open('/ofw/serial-number','r')
serial_number = fin.read()
fin.close()
srvr = serial_number[:-1] + '@schoolserver'
cmd = 'sftp ' + auth + scrpt + ' ' + srvr
pipe1 = 'stdout=subprocess.PIPE'
pipe2 = 'stderr=subprocess.PIPE'
if folder:
pid = subprocess.Popen(
cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
cwd=folder,
shell=True)
else:
pid = subprocess.Popen(
cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
shell=True)
(result,err) = pid.communicate()
return result, err
def getNick():
""" Returns nick from Sugar """
if _using_gconf:
client = gconf.client_get_default()
return client.get_string('/desktop/sugar/user/nick')
else:
return profile.get_nick_name()
def getInstalled(subject):
pth = path('content') / subject
temp = pth.dirs()
milestones = []
for item in temp:
milestones.append(str(item.namebase))
milestones.remove('karma')
return milestones
def extractEntries(txt,log):
lines = txt.split(';')
line = lines[0].replace('\n',' ')
pos = line.find('=')
line = line[pos+1:]
entries = eval(line)
return entries
def getEntries(subject, course, milestone,log):
pth = path('content') /subject
if len(milestone) > 0:
fpth = pth / course / milestone / 'activities.js'
else:
fpth = pth / course / 'milestones.js'
fin = open(fpth,'r')
txt = fin.read()
fin.close()
return extractEntries(txt,log)
def setEntries(subject, course, milestone, entries):
pth = path('content') /subject
if len(milestone) > 0:
fpth = pth / course / milestone / 'activities.js'
else:
fpth = pth / course / 'milestones.js'
txtout = 'var activities = [\n'
for entry in entries:
txtout = txtout + str(entry) + ',\n'
txtout = txtout + '];\n'
fout = open(fpth,'w')
fout.write(txtout)
fout.close()
def getMilestones(subject, grade):
milestones = getEntries(subject,grade, "")
return milestones
def getActivities(subject, milestone):
activities = getEntries(subject, 0, milestone)
return activities
def setMilestones(subject, grade, milestones):
setEntries(subject,grade, "", milestones)
def setActivities(subject, milestone, activities):
setEntries(subject, 0, milestone, activities)
def fetchMilestone(subject, course, milestone):
if USB.exists(): #get from usb drive
src = USB / subject / course / milestone + '.msxo'
dst = path('content') / subject /course
cmd = 'cp -r ' + src + ' ' + dst
subprocess.call(cmd,shell=True)
else: #get from schoolserver
folder = path('content') / subject / course
pth = SS / subject / course
script = 'cd ' + str(pth) + '\nget ' + milestone + '.msxo'
(result,err) = sftp(script, folder)
bndl = milestone + '.msxo'
cwd = path('content') / subject / course
pth = cwd / bndl
if pth.exists():
cmd = 'unzip ' + bndl
subprocess.call(cmd,cwd=cwd,shell=True)
cmd = 'rm -rf ' + pth
subprocess.call(cmd, shell=True)
return 0
else:
return 1
def getActivitiesJs(subject):
if USB.exists(): #get from usb drive
pth = USB / subject
cmd = 'cp -r ' + pth / 'activities*' + ' ' + 'content/'+ subject
subprocess.call(cmd,shell=True)
else: #get from schoolserver
folder = 'content/'+ subject
pth = SS / subject
script = 'cd ' + str(pth) + '\nget activities*'
(result,err) = sftp(script, folder)
def getSubjects(mode):
alog = open('/tmp/loggetSubjects','w')
if USB.exists(): #get from usb drive
pth = USB / 'subjects.js'
cmd = 'cp ' + pth + ' ' + 'content/'
subprocess.call(cmd,shell=True)
pth = USB / 'index.html'
cmd = 'cp ' + pth + ' ' + 'content/'
subprocess.call(cmd,shell=True)
files = USB.files('version*')
pth = USB / files[0]
cmd = 'cp ' + pth + ' ' + 'content/'
subprocess.call(cmd,shell=True)
else: #get from schoolserver
folder = 'content/'
pth = SS
script = 'cd ' + str(pth) + '\nget subjects.js\nget index.html\nmget version-*'
(result,err) = sftp(script, folder)
print >> alog, 'sftp',result,'err',err
print >> alog, 'set mode', mode
#set mode
fin = open('content/subjects.js','r')
txt = fin.read()
fin.close()
txtout = 'var mode = "' +mode + '"\n\n'
txtout += txt
fout = open('content/subjects.js','w')
fout.write(txtout)
fout.close()
#set up subject folders
print >> alog, 'set up subject folders', txt
lines = txt.split('\n')
for line in lines:
if not '[' in line:
continue
try:
entry = eval(line)[0]
except:
continue
if len(entry)<3:
entry = eval(line)
subject = entry[1]
srcpth = path(subject)
tgtpth = path('content') / subject
print >> alog, 'pths', srcpth, tgtpth, tgtpth.exists()
if not tgtpth.exists():
subprocess.call('mkdir ' + tgtpth,shell=True)
result = getFile(srcpth, 'courses.js')
result = getFile(srcpth, 'index.html')
result = getFile(srcpth, subject.lower()+'.png')
alog.close()
def getKarma():
if USB.exists(): #get from usb drive
pth = USB / 'karma.zip'
cmd = 'cp -r ' + pth + ' ' + 'content/'
subprocess.call(cmd,shell=True)
else: #get from schoolserver
folder = 'content/'
pth = SS
script = 'cd ' + str(pth) + '\nget karma.zip'
(result,err) = sftp(script, folder)
cmd = 'unzip -q karma.zip'
cwd = path('content')
subprocess.call(cmd,cwd=cwd,shell=True)
cmd = 'rm -rf content/karma.zip'
subprocess.call(cmd, shell=True)
def getFile(filepth,filename):
pth = filepth / filename
tgtpth = path('content') / filepth
result = ''
if USB.exists(): #get from usb drive
pth = USB / filepth
cmd = 'cp -r ' + pth / filename + ' ' + tgtpth
subprocess.call(cmd,shell=True)
else: #get from schoolserver
pth = SS / filepth
if filename.find('*') > -1:
script = 'cd ' + str(pth) + '\nmget ' + filename
else:
script = 'cd ' + str(pth) + '\nget ' + filename
(result,err) = sftp(script, tgtpth)
return result
def _getParam(txt):
pos1 = txt.find('var =')
pos2 = txt.find('=')
key = txt[pos1+5:pos2].strip()
value = txt[pos2+1:-1].strip()
value = value.replace("'","")
return(key,value)
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