class GitRepo():
logger = Util.custom_logger({
'logFile': Config.logFile,
'logFmt': Config.logFmt,
'logName': 'GitRepoLog'
})
def __init__(self, localRepoDir):
self.localRepoDir = localRepoDir
def execInShell(self, cmd):
out = subprocess.check_output(cmd, shell=True)
self.logger.debug('check_output [cmd=%s] [out=%s]' % (cmd, out))
return out
def checkUser(self, user):
findEmail = self.execInShell('git config -l | grep user.email; exit 0')
if not findEmail:
self.execInShell('git config --global user.email "%s"' %
user['email'])
findName = self.execInShell('git config -l | grep user.name; exit 0')
if not findName:
self.execInShell('git config --global user.name "%s"' %
user['name'])
def pull(self):
p = Popen(['git', 'pull'], cwd=self.localRepoDir, stdout=PIPE)
return p.communicate()
def status(self):
p = Popen(['git', 'status'], cwd=self.localRepoDir, stdout=PIPE)
return p.communicate()
def commit(self, commit):
p = Popen(['git', 'commit', '-m', commit], cwd=self.localRepoDir)
return p.communicate()
def add(self, fileRgx='--all'):
p = Popen(['git', 'add', fileRgx], cwd=self.localRepoDir, stdout=PIPE)
return p.communicate()
def push(self):
p = Popen(['git', 'push'], cwd=self.localRepoDir)
return p.communicate()
class ExerciseMdfXBlock(XBlock):
"""
功能:
1. 向题库增加题目
2. 修改现有题目
"""
display_name = String(display_name="Display Name",
default=u'题库编辑',
scope=Scope.settings)
logger = Util.custom_logger({
'logFile': Config.logFile,
'logFmt': Config.logFmt,
'logName': 'ExerciseMdfXBlockLog'
})
# Fields are defined on the class. You can access them in your code as
# self.<fieldname>.
def resource_string(self, path):
"""Handy helper for getting resources from our kit."""
data = pkg_resources.resource_string(__name__, path)
return data.decode("utf8")
def student_view(self, context=None):
"""
The primary view of the ExerciseMdfXBlock, shown to students
when viewing courses.
"""
HTML_FILE = "static/index.html"
html = self.resource_string(HTML_FILE)
frag = Fragment(html.format(self=self))
frag.add_javascript(self.resource_string("static/index.js"))
frag.initialize_js('ExerciseMdfXBlock')
return frag
@XBlock.json_handler
def getQuestionJson(self, data, suffix=''):
q_number = int(data['q_number'])
url = Config.questionJsonUrl % {
'qDir': ((q_number - 1) / 100) + 1,
'qNo': q_number,
}
try:
#req = urllib2.Request(url)
res_data = urllib2.urlopen(url)
res = res_data.read()
res = json.loads(res)
if 'content' in res:
content = json.loads(base64.b64decode(res['content']))
self.logger.info('getQuestionJson [qNo=%d] [url=%s]' %
(q_number, url))
return {'code': 0, 'desc': 'ok', 'res': content}
elif res['message'] == 'Not Found':
self.logger.info(
'ERROR getQuestionJson [qNo=%d] [msg=%s] [url=%s]' %
(q_number, res['message'], url))
return {
'code': 1,
'type': 'error',
'desc': u'题号为%d的题目不存在' % q_number
}
else:
self.logger.info(
'ERROR getQuestionJson [qNo=%d] [msg=%s] [url=%s]' %
(q_number, res['message'], url))
return {
'code':
1,
'error':
'error',
'dese':
'Error occurs when loading %d.json message: %s' %
(q_number, res['message'])
}
# except urllib2.HTTPError as e:
# self.logger.exception('ERROR getQuestionJson [qNo=%d] [status=%d] [url=%s]' % (q_number, e.code, url))
# if (e.code == 404):
# return {
# 'code': 1,
# 'type': 'error',
# 'desc': u'题号为%d的题目不存在' % q_number
# }
except Exception as e:
self.logger.exception(
'ERROR getQuestionJson [qNo=%d] [desc=%s] [url=%s]' %
(q_number, str(e), url))
return {
'code': 1,
'type': 'error',
'desc': str(e),
}
@XBlock.json_handler
def setQuestionJson(self, data, suffix=''):
try:
repo = ExerciseRepo(Config.localRepoDir)
repo.setUser({
'email': Config.commitEmail,
'name': Config.commitName
})
# 简单检查题目是否合理
lenOfAnswer = len(data['answer'].strip())
questionType = data['type']
if lenOfAnswer == 0:
return {'code': 2, 'type': 'warning', 'desc': '答案不能为空'}
if questionType == 'single_answer' and lenOfAnswer != 1:
return {'code': 2, 'type': 'warning', 'desc': '单选题的答案个数仅有一个'}
data['status'] = 'ok'
if not data['q_number']:
data['q_number'] = repo.getMaxQNo() + 1
repo.setExercise(data)
self.logger.info('setQuestionJson [qNo=%d] [%s]' %
(data['q_number'], json.dumps(data)))
return {'code': 0, 'q_number': data['q_number']}
except Exception as e:
self.logger.exception(
'ERROR setQuestionJson [qNo=%d] [desc=%s] [%s]' %
(data['q_number'], str(e), json.dumps(data)))
return {'code': 1, 'type': 'error', 'desc': '发生错误, %s' % str(e)}
# TO-DO: change this to create the scenarios you'd like to see in the
# workbench while developing your XBlock.
@staticmethod
def workbench_scenarios():
"""A canned scenario for display in the workbench."""
return [
("ExerciseMdfXBlock", """<exercisemdf/>
"""),
("Multiple ExerciseMdfXBlock", """<vertical_demo>
<exercisemdf/>
<exercisemdf/>
<exercisemdf/>
</vertical_demo>
"""),
]
