def login():
form = LoginForm()
if form.validate_on_submit():
user = User.query.filter_by(username=form.user.data).first()
if user:
if try_login(user, str(form.password.data)):
flash('Logged in successfully!', 'success')
log.info("User %s logged in", user)
login_user(user, remember=form.remember_me.data)
return redirect(request.args.get("next") or url_for("index"))
else:
flash('Log in Error', 'danger')
log.warn("Log in attempt to '%s' from IP %s",
user,
request.remote_addr)
form.errors['password'] = [u"Incorrect Password"]
else:
log.warn("Log in attempt to '%s' from IP %s",
form.user.data,
request.remote_addr)
flash('User not found!', 'danger')
form.errors['user'] = [u"User not found"]
return render_template('login.html',
title="Log In",
form=form)
def mababa_spider(request):
url_dict = {}
for i in range(5):
url = 'https://blog.lupf.cn/?p=' + str(i + 1)
log.info(f'-------------------->> 抓取第{i + 1}页')
url_sigle_dict = get_mababa_article_page(url)
url_dict = dict(url_dict, **url_sigle_dict)
return JsonResponse(url_dict)
def article_spider(request):
url_dict = {}
for i in range(30):
url = 'https://cloud.tencent.com/developer/column/5263/page-' + str(i +
1)
log.info(f'-------------------->> 抓取第{i + 1}页')
url_sigle_dict = get_article_page(url)
url_dict = dict(url_dict, **url_sigle_dict)
return JsonResponse(url_dict)
def new_post():
"""
Create a new post.
If :GET: present the form to submit a new post.
If :POST:, if valid, submit the post and redirect to home.
"""
form = PostBlogForm()
if form.validate_on_submit():
log.info("User %s submitted post %s",
current_user,
form.title.data)
log.debug("CodeType: %s", form.code_type.data)
if form.code_type.data is None:
code = False
else:
code = True
post = Post(title=form.title.data,
slug=form.slug.data,
content=form.text.data,
user=current_user,
code=code,
code_type=form.code_type.data,)
db.session.add(post)
try:
db.session.commit()
except IntegrityError as exc:
if exc.message.endswith("not unique"):
log.error("Post '%s' was not unique in field '%s'",
form.title.data,
exc.message
.split(" ", 2)[-1].rsplit(" ", 3)[0])
else:
log.critical("Unknown Integrity Error with post '%s'",
form.title.data,
exc_info=True)
db.session.rollback()
flash("Integrity Error!", 'danger')
return render_template("post/make_post.html",
title="Post Blog",
form=form)
except:
log.critical("Exception on %s [%s]",
'page',
'method',
exc_info=True)
db.session.rollback()
abort(500)
flash("{} submitted {}.".format(
current_user.username,
form.title.data), 'success')
return redirect(url_for('index'))
return render_template("post/make_post.html",
title="Post Blog",
form=form)
def new_post():
"""
Create a new post.
If :GET: present the form to submit a new post.
If :POST:, if valid, submit the post and redirect to home.
"""
form = PostBlogForm()
if form.validate_on_submit():
log.info("User %s submitted post %s", current_user, form.title.data)
log.debug("CodeType: %s", form.code_type.data)
if form.code_type.data is None:
code = False
else:
code = True
post = Post(
title=form.title.data,
slug=form.slug.data,
content=form.text.data,
user=current_user,
code=code,
code_type=form.code_type.data,
)
db.session.add(post)
try:
db.session.commit()
except IntegrityError as exc:
if exc.message.endswith("not unique"):
log.error("Post '%s' was not unique in field '%s'",
form.title.data,
exc.message.split(" ", 2)[-1].rsplit(" ", 3)[0])
else:
log.critical("Unknown Integrity Error with post '%s'",
form.title.data,
exc_info=True)
db.session.rollback()
flash("Integrity Error!", 'danger')
return render_template("post/make_post.html",
title="Post Blog",
form=form)
except:
log.critical("Exception on %s [%s]",
'page',
'method',
exc_info=True)
db.session.rollback()
abort(500)
flash(
"{} submitted {}.".format(current_user.username, form.title.data),
'success')
return redirect(url_for('index'))
return render_template("post/make_post.html", title="Post Blog", form=form)
def get_article_page(url):
r = requests.request('get', url=url)
html = r.text
soup = BeautifulSoup(html, 'lxml')
ls = soup('h3', class_="com-article-panel-title")
url_dict = {}
for tag in ls:
s = 'https://cloud.tencent.com' + tag.a['href']
title = tag.a.string
obj = spider_article.objects.filter(title=title).first() # 查询文章是否已存在
if obj == None:
article = spider_article(title=title, linkage=s, tag="python")
article.save()
log.info(f'保存文章 --> {title}')
else:
log.info(f'已存在文章 --> {title}')
url_dict[title] = s # 返回文章的标题和链接
return url_dict
def login():
form = LoginForm()
if form.validate_on_submit():
user = User.query.filter_by(username=form.user.data).first()
if user:
if try_login(user, str(form.password.data)):
flash('Logged in successfully!', 'success')
log.info("User %s logged in", user)
login_user(user, remember=form.remember_me.data)
return redirect(request.args.get("next") or url_for("index"))
else:
flash('Log in Error', 'danger')
log.warn("Log in attempt to '%s' from IP %s", user,
request.remote_addr)
form.errors['password'] = [u"Incorrect Password"]
else:
log.warn("Log in attempt to '%s' from IP %s", form.user.data,
request.remote_addr)
flash('User not found!', 'danger')
form.errors['user'] = [u"User not found"]
return render_template('login.html', title="Log In", form=form)
def update_vistor():
vistor_list = Vistor.objects.filter(count=3, country='')
for i in vistor_list:
if re.match(r"^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$",
i.ip):
url = f"http://www.ip-api.com/json/{i.ip}?lang=zh-CN"
res = requests.get(url, timeout=5)
ip_message = res.json()
log.info(f'解析IP响应结果 --> {ip_message}')
if ip_message.get('status') == 'success':
i.country = ip_message.get('country')
i.city = ip_message.get('city')
i.ip_as = ip_message.get('as')
i.isp = ip_message.get('isp')
i.save()
elif ip_message.get('status') == 'fail':
log.error(f"IP解析失败 --> {i.ip}")
else:
log.error(f'解析异常 --> {i.ip}')
else:
log.error(f'无法解析异常IP --> {i.ip}')
def login(request):
# 不允许重复登录
res = request.session.get('is_login')
log.debug(f'request session --> {res}')
if request.session.get('is_login', None):
return redirect('/')
if request.method == "POST":
login_form = UserForm(request.POST)
message = "请检查填写的内容"
if login_form.is_valid():
username = login_form.cleaned_data['username']
password = login_form.cleaned_data['password']
try:
user = User.objects.get(user_name=username)
if user.has_confirmed == False:
message = "用户还未邮件确认"
return render(request, 'login.html', locals())
if user.password == md5_code(password):
# 往session字典内写入用户状态和数据
request.session['is_login'] = True
request.session['user_id'] = user.id
request.session['user_name'] = user.user_name
log.info(request.session['user_name'])
return redirect('/')
else:
message = "密码不正确！"
except:
message = "用户不存在！"
return render(request, 'login.html', locals())
'''
这里使用了一个小技巧，Python内置了一个locals()函数，它返回当前所有的本地变量字典，
我们可以偷懒的将这作为render函数的数据字典参数值，就不用费劲去构造一个形如
{'message':message, 'login_form':login_form}的字典了。
这样做的好处当然是大大方便了我们，但是同时也可能往模板传入了一些多余的变量数据，造成数据冗余降低效率
'''
login_form = UserForm()
return render(request, 'login.html', locals())
def get_mababa_article_page(url):
r = requests.get(url=url)
html = r.text
print(html)
soup = BeautifulSoup(html, 'lxml')
ls = soup('article', class_="post")
url_dict = {}
for tag in ls:
title = tag.header.h2.a.string.strip()
s = tag.header.h2.a["href"]
obj = spider_article.objects.filter(title=title).first() # 查询文章是否已存在
if obj == None:
article = spider_article(title=title, linkage=s, tag="java")
try:
article.save()
log.info(f'保存文章 --> {title}')
except:
log.info(f'存表异常 --> {title}')
else:
log.info(f'已存在文章 --> {title}')
url_dict[title] = s
return url_dict
