def edit(request, *args, **kwargs):
if not request.session.get(
'is_login',
False) or request.session['user_type'] != 'information':
return redirect("/index")
error_msg = ''
page = utils.get_page(args) # 获取当前页面
_projects_dict = utils.get_all_projects()
page_list = utils.get_pages(page, _projects_dict)
projects_dict, page, project_id = utils.adjust_info(
_projects_dict, page, 1)
if request.method == 'POST':
project_id = int(request.POST.get("project_id"))
for key, data in projects_dict:
if key == project_id:
project_data = data
data = {
"name":
request.POST.get('name'),
"leader":
request.POST.get("leader").strip(),
"teammates":
request.POST.get("teammates").strip().split(',')
if request.POST.get("teammates") else None,
"start":
request.POST.get("start").strip(),
"status":
request.POST.get("status").strip(),
"process":
request.POST.get("process").strip(),
"budget":
int(request.POST.get("budget").strip()),
"real":
int(request.POST.get("real").strip()),
}
data, error_msg = utils.check_error(data, budget=False)
if error_msg:
return render(
request, 'Administrators_edit.html', {
"project_id": project_id,
"project_data": project_data,
"error_msg": error_msg,
"page": page,
})
if request.POST.get('pass'):
# 立项审核通过
data['status'] = "审核中..."
data['left'] = data['budget'] - data['real']
elif request.POST.get('reject'):
# 立项审核未通过
data['status'] = "未通过"
elif request.POST.get('edit'):
data['left'] = data['budget'] - data['real']
with open("database/projects.pk", 'rb') as f:
_projects_dict = pickle.load(f)
for _key in data.keys():
_projects_dict[project_id][_key] = data[_key]
with open("database/projects.pk", 'wb') as f:
f.write(pickle.dumps(_projects_dict))
return redirect("/info/summary&page=%d" % page)
def process(request, *args, **kwargs):
if not request.session.get('is_login', False) or request.session['user_type'] != 'accounts':
return redirect("/index")
error_msg, page, page_list, projects_dict, project_id = initialize(args, request, True)
if not project_id:
return redirect('/account/summary')
steps = utils.get_steps(project_id)
step_path = utils.steps_path(utils.get_eva_info(project_id, top=True))
if request.method == 'GET':
return render(request, 'user_projectprocess.html',{"projects_dict": projects_dict, "project_id":project_id,
"steps":steps, "step_path":step_path, "page_list":page_list, "page":page, 'error_msg':error_msg})
if request.method == "POST":
data = {
"mission" : request.POST.get("mission"),
"flow": request.POST.get("flow"),
"start" : request.POST.get("start"),
"process" : request.POST.get("process"),
"teammates": request.POST.get("teammates").strip().split(',') if request.POST.get("teammates") else None,
"end" : request.POST.get("end"),
}
data, error_msg = utils.check_error(data, pro_name=False, budget=False)
if not data.get("mission", None):
error_msg = '请输入正确的任务名称'
elif data.get("flow", None) not in ['1','2','3','4','5']:
error_msg = '请输入正确的任务所属流程'
# utils.add_steps(project_id, data)
# return redirect("/account/process&id=%d&page=%d"%(project_id, page))
if not error_msg:
utils.add_steps(project_id, data)
return redirect("/account/process&id=%d&page=%d" % (project_id, page))
else:
return render(request, 'user_projectprocess.html',
{"projects_dict": projects_dict, "project_id": project_id,
"steps": steps, "step_path": step_path, "page_list": page_list, "page": page,
'error_msg': error_msg})
def new(request, *args, **kwargs):
if not request.session.get('is_login', False) or request.session['user_type'] != 'accounts':
return redirect("/index")
error_msg = ''
if request.method == 'GET':
return render(request, 'user_projectnew.html', {"error_msg":error_msg})
if request.method == 'POST':
data = {
"name": request.POST.get("name").strip(),
"leader":request.POST.get("leader").strip(),
"teammates":request.POST.get("teammates").strip().split(',') if request.POST.get("teammates") else None,
"budget":request.POST.get("budget").strip(),
}
data, error_msg = utils.check_error(data)
if not request.FILES.get('file'):
error_msg = "请上传文件"
if error_msg:
return render(request, 'user_projectnew.html', {"error_msg": error_msg})
else:
error_msg = '提交成功'
id = utils.apply_project(data)
utils.save_file(id, request, save_name="applyingFile",new=True)
return render(request, 'user_projectnew.html', {"error_msg": error_msg})
def user_edit(request, *args, **kwargs):
if not request.session.get('is_login', False) or request.session['user_type'] != 'accounts':
return redirect("/index")
error_msg = ''
page = utils.get_page(args) # 获取当前页面
_projects_dict = utils.get_projects(request.session['account'])
page_list = utils.get_pages(page, _projects_dict)
projects_dict, page, project_id = utils.adjust_info(_projects_dict, page, 1)
if request.method == 'POST':
project_id = int(request.POST.get("project_id"))
for key, data in projects_dict:
if key == project_id:
project_data = data
data = {
"name": request.POST.get("name").strip(),
"leader": request.POST.get("leader").strip(),
"teammates": request.POST.get("teammates").strip().split(',') if request.POST.get("teammates") else None
}
data, error_msg = utils.check_error(data, budget=False)
if error_msg:
return render(request, 'user_edit.html', {
"project_id": project_id,
"project_data": project_data, "error_msg": error_msg, "page": page,
})
else:
if request.FILES.get('file'):
utils.save_file(id, request, save_name="applyingFile", new=True)
project_data['name'] = data['name']
project_data['leader'] = data['leader']
project_data['teammates'] = data['teammates']
with open("database/projects.pk", 'rb') as f:
_projects_dict = pickle.load(f)
_projects_dict[project_id] = project_data
with open("database/projects.pk", 'wb') as f:
f.write(pickle.dumps(_projects_dict))
return redirect("/account/summary&page=%d" % page)
x_f: int = 2):
assert t_1 > t_0
assert x_f > x_0
assert tau / h**2 <= 0.5
m = int((t_1 - t_0) // tau)
n = int((x_f - x_0) // h)
alpha = tau / h**2
beta = 1 - 2 * alpha
y = np.zeros(shape=(m, n))
# boundary conditions
y.T[0] = miu_1(x_0, m)
y.T[n - 1] = miu_2(x_f, m)
y[0] = u_zero(t_0, n)
for i in range(1, n - 1):
for j in range(m - 2):
y[j +
1][i] = alpha * y[j + 1][i + 1] + beta * y[j][i - 1] + tau * f(
i, j)
return y
if __name__ == '__main__':
approximated = approx_differential(tau=0.001, h=0.1)
from utils import check_error
print(check_error(approximated, u_exact))
y = np.zeros(shape=(m, n))
y.T[0] = miu_1(x_0, m)
y.T[n - 1] = miu_2(x_f, m)
y[0] = u_zero(t_0, n)
# computing alpha vector
alpha = np.zeros(shape=n)
alpha[0] = 0
for i in range(1, n):
alpha[i] = gamma / (c - gamma * alpha[i - 1])
beta = np.zeros(shape=n)
for j in range(1, m):
# computing beta given j-th layer
beta[0] = y[j][n - 1]
for i in range(1, n):
_F = -y[j][i - 1] - tau * f(x_0 + (i - 1) * h, t_0 + (j + 1) * tau)
beta[i] = (gamma * beta[i - 1] - _F) / (c - gamma * alpha[i - 1])
for i in range(n - 2, 0, -1):
y[j][i] = alpha[i + 1] * y[j][i + 1] + beta[i + 1]
return y
if __name__ == '__main__':
approx = factorization_method(tau=10**(-2), h=10**(-3))
from utils import check_error
print(check_error(approx, u_exact))