pip

locust压测入门

不羁的心 提交于 2020-12-10 19:35:59
一、安装 pip install locust 了解locust相关命令:locust --help 二、获取当前CPU核心数 (后面需要根据核心数起进程) pip3 install psutil ``` import pustil print(pustil.cpu_count(False)) ``` 三、准备压测脚本(lc.py): ``` # 这是一个压测的临时脚本. import requests import json import uuid import time from locust import between, task, constant from locust.contrib.fasthttp import FastHttpUser import random # from utils.data import data data = { "header": [["query"]], "data": [ {"query": "后海大鲨鱼"}, {"query": "这个衣服宽松不"}, {"query": "包装好点"}, ], } class WebsiteUser(FastHttpUser): wait_time = between(1, 1) host = "http://nta-api-ks.leyanbot.com" def body(self):

[Python爬虫]scrapy-redis快速上手(爬虫分布式改造)

你。 提交于 2020-12-10 09:31:41
作者的话 对Python爬虫如何实现大批量爬取感兴趣的读者可以看下scrapy爬虫框架,并且使用本文的scrapy-redis将你的爬虫升级为分布式爬虫。 前言 阅读本文章,您需要: 了解scrapy爬虫框架,知道scrapy的基本使用,最好已经有了可以单机运行的scrapy爬虫。 了解scrapy-redis可以用来干嘛。 已经尝试了一些反反爬措施后仍然觉得爬取效率太低。 已经看了无数scrapy-redis文章,却和我一样不得要领。(自己太笨) 已经看了无数scrapy-redis文章,被辣鸡文章坑的生活不能自理,到现在还没配置好。(可能还是自己太笨) 提示:本文为快速上手文章,有些操作的具体步骤不详细讲,自行百度通用解法,省略的部分我认为你可以自行解决,如果遇到问题,请留言提问 使用scrapy-redis将scrapy改造为分布式 安装需要的python库和数据库 安装scrapy-redis:pip install scrapy-redis 安装redis:可以仅在master(主)端安装 安装其他数据库(可选):mysql,mangoDB,用来保存大量数据,当然也可以选择不安装。用其他方法处理数据。 提示:请注意版本问题,不要过低。 配置redis master(主)上的redis安装后,需要做以下几件事: 配置redis.conf设置从外网访问:#bind 127.0

Docker实践:python应用容器化

放肆的年华 提交于 2020-12-10 02:41:43
一、前言    容器使用沙箱机制,互相隔离,优势在于让各个部署在容器的里的应用互不影响,独立运行,提供更高的安全性。本文主要介绍python应用(django)跑在docker容器里,编写dockerfile实现镜像构建自动化以及docker神器compose。 二、编写Dockerfile文件   官网下载的python镜像比较精简,web应用相关依赖还是需要自己安装的。编写Dockerfile,可以让你构建镜像的时候自动化。实例如下: FROM python:3.6.4 RUN mkdir /code \ &&apt-get update \ &&apt-get -y install freetds-dev \ &&apt-get -y install unixodbc-dev COPY app /code COPY requirements.txt /code RUN pip install -r /code/requirements.txt -i https://pypi.douban.com/simple WORKDIR /code CMD ["/bin/bash","run.sh"] FROM: Dockerfile中的一个非常重要的命令,作用是指定一个基础镜像来进行构建流程。比如上面指定了python3.6.4作为基础镜像

setup.py with dependecies installed by conda (not pip)

时间秒杀一切 提交于 2020-12-09 09:55:15
问题 I am working on an existing Python 3 code-base that provides a setup.py so the code is installed as a Python library. I am trying to get this internal library installed with its own dependencies (the usual data science ones e.g. pandas , pyodbc , sqlalchemy etc). I would like to have this internal library to deal with these dependencies and assume that if that library is installed, then all the transitive dependencies are assumed to be installed . I also would like to have the Anaconda (

pip安装scrapy失败:twisted安装失败 error: Microsoft Visual C++ 14.0 is required.. 解决方法

◇◆丶佛笑我妖孽 提交于 2020-12-09 05:51:04
pip安装scrapy失败:twisted安装失败 error: Microsoft Visual C++ 14.0 is required.. 解决方法 参考文章: (1)pip安装scrapy失败:twisted安装失败 error: Microsoft Visual C++ 14.0 is required.. 解决方法 (2)https://www.cnblogs.com/jinghun/p/9092984.html 备忘一下。 来源: oschina 链接: https://my.oschina.net/u/4438370/blog/4782882

Pip install error in Mac OS(error: command '/usr/bin/clang' failed with exit status 1)

筅森魡賤 提交于 2020-12-08 13:32:46
问题 I want to install JPype1 via pip3 installation on Mac OS. $ pip3 install JPype1 However, the following error happens again and again. Collecting JPype1 Using cached https://files.pythonhosted.org/packages/c4/4b/60a3e63d51714d4d7ef1b1efd f84315d118a0a80a5b085bb52a7e2428cdc/JPype1-0.6.3.tar.gz Installing collected packages: JPype1 Running setup.py install for JPype1 ... error Complete output from command /Library/Frameworks/Python.framework/Versions/3.6/bin/python3.6 -u -c "import setuptools,

Pip install error in Mac OS(error: command '/usr/bin/clang' failed with exit status 1)

和自甴很熟 提交于 2020-12-08 13:31:10
问题 I want to install JPype1 via pip3 installation on Mac OS. $ pip3 install JPype1 However, the following error happens again and again. Collecting JPype1 Using cached https://files.pythonhosted.org/packages/c4/4b/60a3e63d51714d4d7ef1b1efd f84315d118a0a80a5b085bb52a7e2428cdc/JPype1-0.6.3.tar.gz Installing collected packages: JPype1 Running setup.py install for JPype1 ... error Complete output from command /Library/Frameworks/Python.framework/Versions/3.6/bin/python3.6 -u -c "import setuptools,

What is the right/secure way to pip install a private git repo on a Heroku app?

久未见 提交于 2020-12-08 03:59:29
问题 App structure (Python FastAPI): -my_app -server.py -Procfile -requirements.txt In order to install a private git repo required by my Heroku app, I added the following line to my requirements.txt : git+https://<github-token>@github.com/me/my-private-repo.git However on pushing, Github emailed me to say that since I had exposed my token in a commit it had revoked the token. (My app repo is private.) Totally fair! However, my Heroku build now fails, since it prompts for a password when

What is the right/secure way to pip install a private git repo on a Heroku app?

让人想犯罪 __ 提交于 2020-12-08 03:58:12
问题 App structure (Python FastAPI): -my_app -server.py -Procfile -requirements.txt In order to install a private git repo required by my Heroku app, I added the following line to my requirements.txt : git+https://<github-token>@github.com/me/my-private-repo.git However on pushing, Github emailed me to say that since I had exposed my token in a commit it had revoked the token. (My app repo is private.) Totally fair! However, my Heroku build now fails, since it prompts for a password when

王者荣耀英雄全皮肤4K高清大图,python爬虫帮你保存下来

筅森魡賤 提交于 2020-12-07 04:38:28
前言 文的文字及图片来源于网络,仅供学习、交流使用,不具有任何商业用途,版权归原作者所有,如有问题请及时联系我们以作处理。 PS:如有需要Python学习资料的小伙伴可以加点击下方链接自行获取t.cn/A6Zvjdun 基本环境配置 版本:Python3 系统:Windows 相关模块:requests 安装模块:pip install requests 实现效果图 完整代码如下 如果你处于想学Python或者正在学习Python,Python的教程不少了吧,但是是最新的吗?说不定你学了可能是两年前人家就学过的内容,在这小编分享一波2020最新的Python教程。获取方式,私信小编 “ 资料 ”,即可免费获取哦! 来源: oschina 链接: https://my.oschina.net/u/4309418/blog/3274256