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第一步安装:Django
遇到的问题:
Traceback (most recent call last): File "/usr/local/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 425, in _error_catcher yield File "/usr/local/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 507, in read data = self._fp.read(amt) if not fp_closed else b"" File "/usr/local/lib/python3.7/site-packages/pip/_vendor/cachecontrol/filewrapper.py", line 62, in read data = self.__fp.read(amt) File "/usr/local/Cellar/python/3.7.5/Frameworks/Python.framework/Versions/3.7/lib/python3.7/http/client.py", line 457, in read n = self.readinto(b) File "/usr/local/Cellar/python/3.7.5/Frameworks/Python.framework/Versions/3.7/lib/python3.7/http/client.py", line 501, in readinto n = self.fp.readinto(b) File "/usr/local/Cellar/python/3.7.5/Frameworks/Python.framework/Versions/3.7/lib/python3.7/socket.py", line 589, in readinto return self._sock.recv_into(b) File "/usr/local/Cellar/python/3.7.5/Frameworks/Python.framework/Versions/3.7/lib/python3.7/ssl.py", line 1071, in recv_into return self.read(nbytes, buffer) File "/usr/local/Cellar/python/3.7.5/Frameworks/Python.framework/Versions/3.7/lib/python3.7/ssl.py", line 929, in read return self._sslobj.read(len, buffer)socket.timeout: The read operation timed outDuring handling of the above exception, another exception occurred:Traceback (most recent call last): File "/usr/local/lib/python3.7/site-packages/pip/_internal/cli/base_command.py", line 153, in _main status = self.run(options, args) File "/usr/local/lib/python3.7/site-packages/pip/_internal/commands/install.py", line 382, in run resolver.resolve(requirement_set) File "/usr/local/lib/python3.7/site-packages/pip/_internal/legacy_resolve.py", line 201, in resolve self._resolve_one(requirement_set, req) File "/usr/local/lib/python3.7/site-packages/pip/_internal/legacy_resolve.py", line 365, in _resolve_one abstract_dist = self._get_abstract_dist_for(req_to_install) File "/usr/local/lib/python3.7/site-packages/pip/_internal/legacy_resolve.py", line 313, in _get_abstract_dist_for req, self.session, self.finder, self.require_hashes File "/usr/local/lib/python3.7/site-packages/pip/_internal/operations/prepare.py", line 194, in prepare_linked_requirement progress_bar=self.progress_bar File "/usr/local/lib/python3.7/site-packages/pip/_internal/download.py", line 465, in unpack_url progress_bar=progress_bar File "/usr/local/lib/python3.7/site-packages/pip/_internal/download.py", line 316, in unpack_http_url progress_bar) File "/usr/local/lib/python3.7/site-packages/pip/_internal/download.py", line 551, in _download_http_url _download_url(resp, link, content_file, hashes, progress_bar) File "/usr/local/lib/python3.7/site-packages/pip/_internal/download.py", line 253, in _download_url hashes.check_against_chunks(downloaded_chunks) File "/usr/local/lib/python3.7/site-packages/pip/_internal/utils/hashes.py", line 80, in check_against_chunks for chunk in chunks: File "/usr/local/lib/python3.7/site-packages/pip/_internal/download.py", line 223, in written_chunks for chunk in chunks: File "/usr/local/lib/python3.7/site-packages/pip/_internal/utils/ui.py", line 160, in iter for x in it: File "/usr/local/lib/python3.7/site-packages/pip/_internal/download.py", line 212, in resp_read decode_content=False): File "/usr/local/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 564, in stream data = self.read(amt=amt, decode_content=decode_content) File "/usr/local/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 529, in read raise IncompleteRead(self._fp_bytes_read, self.length_remaining) File "/usr/local/Cellar/python/3.7.5/Frameworks/Python.framework/Versions/3.7/lib/python3.7/contextlib.py", line 130, in __exit__ self.gen.throw(type, value, traceback) File "/usr/local/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 430, in _error_catcher raise ReadTimeoutError(self._pool, None, "Read timed out.")pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.
解决的办法
我在网上找的答案:
1、使用sudo pip install Django
2、但是我想的是,我后面自己升级了mac自带的python,升级到python3.X了,所以我的命令都要加一个3,于是我在用过上面这个命令仍然没有解决我的问题之后,我使用了sudo pip3 install Django
3、后来找到没有加 ==version的话就是去下载最新版本,那我可能觉得是不是最新版本不好下载,所以后来我指定了版本,说是最稳定的版本pip install django==1.10.3
显然我还是失败了~~ 😳 4、因为我之前安装pymysql的时候 都是直接pip3的,我觉得安装应该没必要一定要用sudo吧,所以我抱着试一试的心态试了pip3 install Django
这时候进度条动了很多哦,之前都只要一点点,这回都快成功了,所以我仔细看了一下这个报错,其实很多都是提示超时,所以我觉得一定是网络,或链接下载服务器时不稳定,所以一直不成功,所以我反复的尝试pip3 install Django
,是正确的,我们成功了,它就是网络的问题,然后我就迎来了:Successfully installed Django-2.2.7 pytz-2019.3 sqlparse-0.3.0 至此我们的Django就安装完成了✅ 那么想要验证Django的安装是否成功或想看安装在那里了,使用which django-admin
第二步配置Django在mac的环境变量
export PATH=$PATH:/usr/local/bin/django-admin
3、生效一下~ 然后就能正常运行了,本来网上都没说有配置环境变量这一说的,我是因为有报错,才知道要配置环境变量的 第三步:创建一个项目
我参考的文章是:
根据它的步骤:
mkdir 某项目
创建一个项目:django-admin startproject guest
进入目录:cd guest
创建项目:python manage.py startapp sign
运行服务:python manage.py runserver
django-admin startapp app_name
,我参考的文章:,我现在还不知道原因是啥,有时间在查一下 ) 浏览器打开地址:http://127.0.0.1:8000/
说明Django已经在运行了。`
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