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Note − Be sure the file permission mode allows execution. Verbose output (detailed trace on import statements)ĭisable class-based built-in exceptions (just use strings) obsolete starting with version 1.6Ī Python script can be executed at the command line by invoking the interpreter on your application, as shown in the following example. pyo files)ĭo not run import site to look for Python paths on startup
Generate optimized bytecode (resulting in. Here is the list of all the available command line options − Sr.No. Start coding right away in the interactive interpreter. You can start Python from Unix, DOS, or any other system that provides you a command-line interpreter or shell window. There are three different ways to start Python − Interactive Interpreter It is usually embedded in the PYTHONSTARTUP or PYTHONPATH directories to make switching module libraries easy. Set this variable to any value to activate it.
Python 3 mac os tutorial windows#
It is used in Windows to instruct Python to find the first case-insensitive match in an import statement. pythonrc.py in Unix and it contains commands that load utilities or modify PYTHONPATH. It is executed every time you start the interpreter. It contains the path of an initialization file containing Python source code. PYTHONPATH is sometimes preset by the Python installer. It should include the Python source library directory and the directories containing Python source code. This variable tells the Python interpreter where to locate the module files imported into a program. Here are important environment variables, which are recognized by Python − Sr.No. Note − C:\Python is the path of the Python directory Python Environment Variables To add the Python directory to the path for a particular session in Windows −Īt the command prompt − type path %path% C:\Python and press Enter. Note − /usr/local/bin/python3 is the path of the Python directory. In the sh or ksh shell − type PATH = "$PATH:/usr/local/bin/python3" and press Enter. In the bash shell (Linux) − type export PYTHONPATH=/usr/local/bin/python3.4 and press Enter. In the csh shell − type setenv PATH "$PATH:/usr/local/bin/python3" and press Enter. To add the Python directory to the path for a particular session in Unix − To invoke the Python interpreter from any particular directory, you must add the Python directory to your path. In Mac OS, the installer handles the path details. The path variable is named as PATH in Unix or Path in Windows (Unix is case-sensitive Windows is not). This variable contains information available to the command shell and other programs. The path is stored in an environment variable, which is a named string maintained by the operating system. Hence, the operating systems provide a search path that lists the directories that it searches for executables.
Programs and other executable files can be in many directories. Python Documentation Website − Setting up PATH
Python 3 mac os tutorial pdf#
The documentation is available in HTML, PDF and PostScript formats.
Python 3 mac os tutorial download#
You can download Python documentation from the following site. The most up-to-date and current source code, binaries, documentation, news, etc., is available on the official website of Python −
Python 3 mac os tutorial mac os x#
Python 3 mac os tutorial install#
Note − In order to install Python 3.5.1, minimum OS requirements are Windows 7 with SP1. The following different installation options are available. Getting Python Windows platformīinaries of latest version of Python 3 (Python 3.5.1) are available on this download page Open a terminal window and type "python" to find out if it is already installed and which version is installed. Even though Python 2 is available for many other OSs, Python 3 support either has not been made available for them or has been dropped. Python 3 is available for Windows, Mac OS and most of the flavors of Linux operating system.