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pythonThe module in is a more important concept. A common scenario is to write a. py file in advance, copy the pre-written. py file to the current directory when you need the import in another file, or add the directory where the. py file is in the Sys.path, and then import. Such a practice is feasible for a few documents, but if the number of programs is large a

PY is the source file, PYc is the source file compiled file, Pyo is the source file optimization compiled file, PYD is written in other languages of the Python library1. Is python an interpreted language?Python is an explanatory language, and I've been believing it until I find out the existence of the *.pyc file.If it is an interpreted language, what is the generated *.pyc file? c should be the abbreviation of compiled!In order to prevent other peopl

1. __init__.py defines the properties and methods of the packageGenerally empty file, but must exist, no __init__.py indicates that his directory is not a package2. When importing the package, useFor example, there is a test directory with xx1.py,xx2.py,__init__.py three fil

This article mainly introduces you to the Python. py file package into EXE executable file of the relevant information, the article introduced in very detailed, I believe that we have a certain reference value, the need for friends below to see it together. Preface recently made a few simple reptile Python program, so I want to make a window to see the effect. First of all, the window, if not how to contact before, first consider using QT to make a si

Transfer from http://www.cnpythoner.com/post/2.htmlPythonThe module in is a more important concept. A common scenario is to write a. py file in advance, copy the pre-written. py file to the current directory when you need the import in another file, or add the directory where the. py file is in the Sys.path, and then import. Such a practice is feasible for a few

Actually very simple, with python-m py_compile file.pyPython-m py_compile/root/src/{file1,file2}.py compiled into a pyc file. You can also write a script to do this: Code: Import py_compile py_compile.compile (' path ')//path is the path that includes the. py file name With Python-o-M py_compile file.pyCompiled into a pyo file. 1. The-m equivalent of the import in the script, wher

When I developed a Python script with Pydev in Eclipse, I came across a phenomenon that automatically generates an empty __init__.py file when I create a new Pydev package, because it's a novice python, So I do not know what the role of this empty file, because there is nothing to write here, so I directly deleted the file, the result of my package icon automatically changed into a folder icon, this is how it happened!The original python module has a

under Python compile py into PYc and pyoIt's simple, actually.UsePython-m Py_compile file.pyPython-m py_compile/root/src/{file1,file2}.pyCompiled into a pyc file.You can also write a script to do the job:Code: Import Py_compilePy_compile.compile (' path ')//path is the path that includes the. py file name UsePython-o-M Py_compile file.pyCompiled into a pyo file.1. The-M is equival

As a dabbler, I would like to be able to improve my posture level by reading the source code of base64.py. The code is about 600 lines, but given the recent tense, it may take a while for the code to be read.Read a question about the code: I don't know what the __all__ variable is.To the almighty Google on a check, found that __all__ main impact from XXX import * This command, if the source file does not ha

Recently, the company's network is not very powerful, resulting in occasional phone clicks. Our first response is to check the server. The answer is that the ping value is always too large, and it is not good to reply to colleagues, wait a moment. This leads to a problem: if a colleague can make his own judgment, he can avoid frequent "disturbing" us. The answer is: automatically display it in the background, so that colleagues can check it. Based on a simple understanding of python in the past,

I.. __init__.py fileThe original python module has a __init__ in each package. PY file (This file defines the properties and methods of the package) and then some module files and subdirectories, if there are __init__.py in the subdirectory then it is the child of this package. When you import a package as a module (such as importing the Dom from XML ), you actu

1. Installation Redis-py is the Python interface to the Redis Key-value database, installed as follows, and we'll talk about Hiredis this library Copy Code code as follows: $ sudo pip install Redis $ sudo pip install Hiredis 2. Getting Started Copy Code code as follows: >>> Import Redis >>> pool = Redis. ConnectionPool (host= ' localhost ', port=6379, db=0) >>> r = Redis. Strictredis (Connection_pool

It's simple, actually.UsePython-m Py_compile file.pyPython-m py_compile/root/src/{file1,file2}.pyCompiled into a pyc file.You can also write a script to do the job:Code: Import Py_compile Py_compile.compile (' path ')//path is the path that includes the. py file name UsePython-o-M Py_compile file.pyCompiled into a pyo file.1. The-M is equivalent to the import in the script, where the-M py_compile is equivalent to the import

It's simple, actually.UsePython-m Py_compile file.pyPython-m py_compile/root/src/{file1,file2}.pyCompiled into a pyc file.You can also write a script to do the job:Code: Import Py_compilePy_compile.compile (' path ')//path is the path that includes the. py file name UsePython-o-M Py_compile file.pyCompiled into a pyo file.1. The-M is equivalent to the import in the script, where the-M py_compile is equivalent to the import p

In fact, it's very simple.Python-m Py_compile file.pyPython-m py_compile/root/src/{file1,file2}.pyCompiled into a pyc file.You can also write a script to do the job:Code:Import Py_compilePy_compile.compile (' path ')//path is the path that includes the. py file nameUsePython-o-M Py_compile file.pyCompiled into a pyo file.1. The-M is equivalent to the import in the script, where the-M py_compile is equivalent to the import py_compile2.-o If you change

1. Introduction to web. pyWeb. py is a simple and powerful open-source Web framework based on Python. Because I always prefer lightweight things. Therefore, we chose web. py to learn Web development. At present, there is little information about web. py (even no Wikipedia entries ......), I will learn through tutorials and documents on the official website. I wil

This article mainly introduces _ init _ in the Python module package __. py file function, simple analysis of _ init __. the role of py in the process of transferring modules and packages. if you need it, refer to the example in this article to describe _ init _ in the Python module package __. py file function. We will share this with you for your reference. The

Link: http://blog.csdn.net/sislcb/article/details/4002414 Note: I am a beginner in Python. I hope to receive guidance from my predecessors and exchange ideas. Mail: sislcb at 126 dot comWhat is a PyC file? PyC is a binary file generated after the py file is compiled. It is a byte code. After the py file is changed to a PyC file, the loading speed is improved, in addition, PyC is a cross-platform bytecode

ArticleDirectory What is a PyC file? What is a Pyo file? What is a PYD file? Why is the PyC file required? Generate a single PyC File Generate PyC files in batches Summary What is a PyC file? PyC is a binary file generated after the py file is compiled. It is a byte code. After the py file is changed to a PyC file, the loading speed is improved, in addition, PyC is a cross-pl

package1/__init__.py module1.py module2.py package2/__init__.py module1.py module2.py We can import a package like this: From Package1 import Module1 From Package1 import Package2 Import Packag1.module1 Import Packag1.package2 __i