def check_selected_course(s):
# html_object
# args:
# keywords: 任意长，检索关键字参数
# school: 开课院系列表
# request_left: Boolean, 只接受有余量的课程 = True
s.update_origin()
if s.is_ok():
raw_html = (s.get(elect_url + s.student_id).content.decode())
else:
return None
ele_htm = etree.HTML(raw_html)
is_kxk = ele_htm.xpath('//*[@id="iskxk"]/@value')
if len(is_kxk) == 0 or is_kxk[0] == '0':
raise RequestError(
"Failed to communicate with elect system. Check if the service is available.")
params = {
}
for par in hidden_params:
if par == 'jg_id':
fix_par = 'jg_id_1'
else:
fix_par = par
try:
value = ele_htm.xpath('//*[@id="%s"]/@value' % fix_par)[0]
params[par] = value
# print("Parsed param %s as %s" % (par, value))
except IndexError:
raise ParseError("Failed to parse website element %s." % fix_par)
resp = s.post(check_url + s.student_id, params)
if resp.status_code == 200:
resource = json.loads(resp.content.decode())
data_list = []
# 如果有数据
try:
for item in resource:
data_list.append(ElectCourse(**item))
except ParseError:
# 抛异常结束
raise ParseError("Failed to check selected course data.")
else:
return data_list
raise RequestError("Failed to query elect system.")
def get_course_list(s, year, term):
if s.is_ok():
if term == 1:
xqm = '3'
elif term == 2:
xqm = '12'
elif term == 3:
xqm = '16'
else:
raise TypeError("Invalid term code.")
params = {'xnm': str(year), 'xqm': xqm}
resp = s.post(course_table_url, params)
if resp.status_code == 200:
resource = json.loads(resp.content.decode())
if 'kbList' in resource:
data_list = []
# 如果有数据
success = 0
fail = 0
for item in resource['kbList']:
try:
data_list.append(PersonalCourse(**item))
except ParseError:
# 抛异常结束
fail += 1
else:
success += 1
logging.info("Course Parsing complete. %d success, %d fail." %
(success, fail))
return data_list
raise RequestError("Failed to request course schedule.")
def get_exam_list(s,
year,
term,
course_name="",
exam_location="",
course_date="",
max_limit=15):
if term == 1:
term_code = '3'
elif term == 2:
term_code = '12'
elif term == 3:
term_code = '16'
else:
raise TypeError("Invalid term code.")
params = {
'xnm': str(year),
'xqm': term_code,
'ksmcdmb_id': course_name,
'kch': course_name,
'kc': exam_location,
'ksrq': course_date,
'_search': 'false',
'nd': s.get_session_id(),
'queryModel.showCount': str(max_limit),
'queryModel.currentPage': '1',
'queryModel.sortName': '',
'queryModel.sortOrder': 'asc',
'time': '0'
}
resp = s.post(exam_check_url + s.student_id, params)
if resp.status_code == 200:
resource = json.loads(resp.content.decode())
if 'items' in resource:
data_list = []
# 如果有数据
try:
for item in resource['items']:
data_list.append(PersonalExam(**item))
except ParseError:
# 抛异常结束
raise ParseError("Failed to parse exam dictionary.")
else:
return data_list
raise RequestError("Failed to request exam arrangement.")
def get_score_list(s, year, term, max_limit=30):
if term == 1:
term_code = '3'
elif term == 2:
term_code = '12'
elif term == 3:
term_code = '16'
else:
raise TypeError("Invalid term code.")
params = {
'xnm': str(year),
'xqm': term_code,
'_search': 'false',
'nd': s.get_session_id(),
'queryModel.showCount': str(max_limit),
'queryModel.currentPage': '1',
'queryModel.sortName': '',
'queryModel.sortOrder': 'asc',
'time': '0'
}
resp = s.post(score_check_url, params)
if resp.status_code == 200:
resource = json.loads(resp.content.decode())
if 'items' in resource:
data_list = []
# 如果有数据
try:
for item in resource['items']:
data_list.append(PersonalScore(**item))
except ParseError:
# 抛异常结束
raise ParseError("Failed to parse score dictionary.")
else:
return data_list
raise RequestError("Failed to request score data.")
def conditional_query(s,
year,
term,
name=None,
weekday=None,
teacher=None,
max_limit=30):
if term == 1:
term_code = '3'
elif term == 2:
term_code = '12'
elif term == 3:
term_code = '16'
else:
raise TypeError("Invalid term code.")
if weekday != None:
if type(weekday) != int:
raise TypeError("Weekday must be integer.")
if weekday < 1 or weekday > 7:
raise TypeError("Weekday must lies in range(1, 8) but not %d." %
weekday)
resp = s.get(index_url + s.student_id)
if resp.status_code == 200:
resource = resp.content.decode()
if not 'data-func_widget_guid="' in resource:
raise ParseError("Failed to get functional widget GUID.")
func_widget_guid = resource.split('data-func_widget_guid="')[1].split(
'"')[0]
params = {
'xnm': str(year),
'xqm': term_code,
'_search': 'false',
'nd': s.get_session_id(),
'queryModel.showCount': max_limit,
'queryModel.currentPage': '1',
'queryModel.sortName': '',
'queryModel.sortOrder': 'asc'
}
if name != None:
# Must quote params before post them.
params.update({'kch_id': quote(str(name))})
if teacher != None:
params.update({'js': quote(str(teacher))})
if weekday != None:
params.update({'xqj': str(weekday)})
post_resp = s.post(
post_to_url.replace('FUNCWIDGETGUID', func_widget_guid) + s.student_id,
params)
# print("Going to %s." % (post_to_url.replace(
# 'FUNCWIDGETGUID', func_widget_guid) + s.student_id))
# print(params)
if post_resp.status_code == 200:
resource = json.loads(post_resp.content.decode())
else:
raise RequestError("Failed to post parameters. Status Code: %d" %
post_resp.status_code)
if 'items' in resource:
data_list = []
# 如果有数据
success = 0
fail = 0
for item in resource['items']:
try:
data_list.append(ElectCourse(**item))
except ParseError:
# 抛异常结束
fail += 1
else:
success += 1
logging.info("Course Parsing complete. %d success, %d fail." %
(success, fail))
return data_list
raise RequestError("Failed to request course schedule.")
def query_course(s, *keywords, **args):
# html_object
# args:
# keywords: 任意长，检索关键字参数
# school: 开课院系列表
# request_left: Boolean, 只接受有余量的课程 = True
s.update_origin()
if s.is_ok():
raw_html = (s.get(query_url + s.student_id).content.decode())
else:
return None
ele_htm = etree.HTML(raw_html)
is_kxk = ele_htm.xpath('//*[@id="iskxk"]/@value')
if len(is_kxk) == 0 or is_kxk[0] == '0':
raise RequestError(
"Failed to communicate with elect system. Check if the service is available."
)
params = {
'rwlx': '1',
'xkly': '0',
'bklx_id': '0',
'sfkknj': '0',
'sfkkzy': '0',
'sfznkx': '0',
'zdkxms': '0',
'kkbkdj': '0',
'sfkxq': '1',
'sfkcfx': '0',
'kkbk': '0',
'kklxdm': '01',
'sfkgbcx': '1',
'sfrxtgkcxd': '0',
'tykczgxdcs': '0',
'rlkz': '0',
'kspage': '1',
'jspage': '10'
}
for par in hidden_params:
# 有一项不一致的情况
if par == 'jg_id':
fix_par = 'jg_id_1'
else:
fix_par = par
value = ele_htm.xpath('//*[@id="%s"]/@value' % fix_par)
if len(value) != 0:
params[par] = value[0]
else:
raise ParseError("Failed to get control value %s." % fix_par)
# print("Parsed param %s as %s" % (par, value))
if 'request_left' in args:
if args['request_left']:
params['yl_list[0]'] = 1
count = 0
for kw in keywords:
if len(kw) == 0:
continue
params["filter_list[%d]" % count] = str(kw)
count += 1
if 'school' in args:
if isinstance(args['school'], list):
count = 0
for school in args['school']:
params["kkbm_id_list[%d]" % count] = school
count += 1
else:
params["kkbm_id_list[0]"] = str(args['school'])
# print(post_url + s.student_id)
# s.print_headers()
resp = s.post(post_url + s.student_id, params)
if resp.status_code == 200:
resource = json.loads(resp.content.decode())
if 'tmpList' in resource:
data_list = []
# 如果有数据
try:
for item in resource['tmpList']:
data_list.append(ElectCourse(**item))
except ParseError:
# 抛异常结束
raise ParseError("Failed to parse course data.")
else:
raise RequestError("Failed to query course library.")
for course in data_list:
course_detail = query_course_detail(s, course)
if type(course_detail) == CourseDetail:
try:
course.sksj = course_detail.sksj
course.jxdd = course_detail.jxdd
except:
logging.warn(
"Failed to obtain ['sksj', 'jxdd'] detail of <ElectCourse>: %s. Use carefully."
% course['kcmc'])
else:
logging.warn(
"Failed to obtain ['sksj', 'jxdd'] detail of <ElectCourse>: %s. Use carefully."
% course['kcmc'])
return data_list
def query_course_detail(s, elect_course_type):
if type(elect_course_type) != ElectCourse:
return None
s.update_origin()
if s.is_ok():
raw_html = (s.get(query_url + s.student_id).content.decode())
else:
return None
ele_htm = etree.HTML(raw_html)
params = {
'kch_id': str(elect_course_type.kch_id),
'rwlx': '1',
'xkly': '0',
'bklx_id': '0',
'sfkknj': '0',
'sfkkzy': '0',
'sfznkx': '0',
'zdkxms': '0',
'kkbkdj': '0',
'sfkxq': '1',
'sfkcfx': '0',
'kkbk': '0',
'kklxdm': '01',
'sfkgbcx': '1',
'sfrxtgkcxd': '0',
'tykczgxdcs': '0',
'rlkz': '0',
'kspage': '1',
'jspage': '10'
}
for par in hidden_params:
# 有一项不一致的情况
if par == 'jg_id':
fix_par = 'jg_id_1'
else:
fix_par = par
value = ele_htm.xpath('//*[@id="%s"]/@value' % fix_par)[0]
params[par] = value
# print("Parsed param %s as %s" % (par, value))
# print(post_url + s.student_id)
# s.print_headers()
resp = s.post(detail_url + s.student_id, params)
if resp.status_code == 200:
resource = json.loads(resp.content.decode())
# 如果有数据
try:
return CourseDetail(**resource[0])
except:
# 抛异常结束
raise ParseError("Failed to parse course detail.")
raise RequestError("Failed to query course library.")