python libraries list

4 ways to install third-party libraries in Python 1, use PipMost libraries can be installed via PIP, installed by, in the Command Line window input: Pip install Libnamelibname-for the library nameSome libraries cannot be installed via Pip, possibly because they are not packaged and uploaded to PyPI, and can be installe

Three methods for installing third-party libraries in Python This article mainly introduces the Python decorator mode and Specific Aspect-oriented programming. In summary, the function of the decorator is to add additional functions for existing objects, this article details all aspects of the decorative device model, and then introduces the knowledge of cross-se

1. NumPyIn general, we will begin with a library of science as a list, and NumPy is one of the major repositories in the field. It is designed to handle large multidimensional arrays and matrices, and provides a number of advanced mathematical functions and methods that can be used to perform various operations.In the past year, the development team has made a number of improvements to the library. In addition to bug fixes and compatibility issues, ke

If you have decided to use Python as your programming language, the next question in your mind will be: "What Python libraries are available for data analysis?" "NumpyFor scientific computing, it is the foundation of all the higher-level tools that Python creates. Here are some of the features it provides:1. N-dimensio

Today's blog is a direct source of my own personal tool function library. In the past few months, some Pyimagesearch readers emailed me: "How to get a picture that the URL points to and convert it to OPENCV format (without having to write it to disk and then read back)". In this article I will show you how to implement this function. In addition, we will also see how to use Scikit-image to download an image from a URL. Of course the road ahead will also have a common mistake, it may let you fall

.aspx ).Mysqldb This is Python's support for the open-source MySQL database. The official website is http://sourceforge.net/projects/mysql-python. Supports the full range of MySQL 3.23-5.1 and Python 2.3-2.5. Mysqldb is the implementation of Python dB API-2.0, and it is very mature now. The latest version is 1.2.2 . If you are engaged in server developmen

Reprint : HTTP://WWW.PYTHON123.ORG/TUTORIALS/58B41F2A28C8F30100BD41DCReaders are good. Today I'm going to introduce 20 Python libraries that belong to my favorite tools, and I'm sure you'll feel the same when you're done. They are: Requests.kenneth Reitz writes the most prestigious HTTP library. Every Python programmer should have it. Scrapy. If you work in

Python standard library and third party Library (reprint)Reprint Address:Http://www.codeweblog.com/python%e6%a0%87%e5%87%86%e5%ba%93%e4%b8%8e%e7%ac%ac%e4%b8%89%e6%96%b9%e5%ba%93%e8%af %a6%e8%a7%a3/This article mainly describes the Python standard library and third-party libraries, the need for friends can refer to the

Summary of reading and writing methods of various image libraries in Python (recommended ), Recently, I have been studying deep learning visual related things. I often need to write python code to build a deep learning model. For example, when writing CNN model-related code, we need to use the python image library to r

Standard library:Import OSOS.GETCWD ()//return current working pathOs.chdir ('/server/accesslogs ') # Change current working directoryThe Dir () function is one of the most common and useful functions of python. It returns a list of all property names that contain the object to queryImport ShutilShutil.copyfile (' data.db ', ' archive.db ')//Copy filesShutil.move ('/build/executables ', ' installdir ')//del

, import the __FUTURE__ division:>>> from __future__ import division>>> print 10/33.3333333333333335When an attribute of the new version is incompatible with the old version, the feature will be added to the __future__ in the old version so that the old code can test the new feature in the old version.TaskIn Python 3.x, string unification is Unicode, no prefix u is required, and str stored in bytes must be prefixed with B. Use __future__ 's unicode_li

In fact, this problem can find a lot of solutions on the Internet. Everyone's unified answer isOtool-l Yourapp.app/contents/macos/yourappRun Install_name_tool According to the output informationHow to use the Install_name_tool hereIt's more complicated when you rely on a lot of third-party libraries, especially for libraries like Qt. Packing that call a trouble.QT has an official document that tells you how

A lot of useful modules have been built into Python, and these modules can be used immediately as long as Python's development tools are installed. In the actual Python development process, in addition to Python built-in modules, Python also has a large number of third-party librar