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#3577: 3.0 is not installed as "python" on Unix.

This commit is contained in:
Georg Brandl 2008-08-30 09:58:30 +00:00
parent fcfb5f2fe4
commit 3db38ce214
1 changed files with 15 additions and 11 deletions
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Doc/tutorial/interpreter.rst
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@ -10,16 +10,16 @@ Using the Python Interpreter
Invoking the Interpreter Invoking the Interpreter
======================== ========================
The Python interpreter is usually installed as :file:`/usr/local/bin/python` on The Python interpreter is usually installed as :file:`/usr/local/bin/python3.0`
those machines where it is available; putting :file:`/usr/local/bin` in your on those machines where it is available; putting :file:`/usr/local/bin` in your
Unix shell's search path makes it possible to start it by typing the command :: Unix shell's search path makes it possible to start it by typing the command ::
python python3.0
to the shell. Since the choice of the directory where the interpreter lives is to the shell. [#]_ Since the choice of the directory where the interpreter lives
an installation option, other places are possible; check with your local Python is an installation option, other places are possible; check with your local
guru or system administrator. (E.g., :file:`/usr/local/python` is a popular Python guru or system administrator. (E.g., :file:`/usr/local/python` is a
alternative location.) popular alternative location.)
On Windows machines, the Python installation is usually placed in On Windows machines, the Python installation is usually placed in
:file:`C:\Python30`, though you can change this when you're running the :file:`C:\Python30`, though you can change this when you're running the
@ -58,8 +58,8 @@ Some Python modules are also useful as scripts. These can be invoked using
``python -m module [arg] ...``, which executes the source file for *module* as ``python -m module [arg] ...``, which executes the source file for *module* as
if you had spelled out its full name on the command line. if you had spelled out its full name on the command line.
Note that there is a difference between ``python file`` and ``python <file``. Note that there is a difference between ``python file`` and ``python
In the latter case, input requests from the program, such as calling <file``. In the latter case, input requests from the program, such as calling
``sys.stdin.read()``, are satisfied from *file*. Since this file has already ``sys.stdin.read()``, are satisfied from *file*. Since this file has already
been read until the end by the parser before the program starts executing, the been read until the end by the parser before the program starts executing, the
program will encounter end-of-file immediately. In the former case (which is program will encounter end-of-file immediately. In the former case (which is
@ -101,7 +101,7 @@ with the *secondary prompt*, by default three dots (``...``). The interpreter
prints a welcome message stating its version number and a copyright notice prints a welcome message stating its version number and a copyright notice
before printing the first prompt:: before printing the first prompt::
$ python $ python3.0
Python 3.0a1 (py3k, Sep 12 2007, 12:21:02) Python 3.0a1 (py3k, Sep 12 2007, 12:21:02)
[GCC 3.4.6 20060404 (Red Hat 3.4.6-8)] on linux2 [GCC 3.4.6 20060404 (Red Hat 3.4.6-8)] on linux2
Type "help", "copyright", "credits" or "license" for more information. Type "help", "copyright", "credits" or "license" for more information.
@ -155,7 +155,7 @@ Executable Python Scripts
On BSD'ish Unix systems, Python scripts can be made directly executable, like On BSD'ish Unix systems, Python scripts can be made directly executable, like
shell scripts, by putting the line :: shell scripts, by putting the line ::
#! /usr/bin/env python #! /usr/bin/env python3.0
(assuming that the interpreter is on the user's :envvar:`PATH`) at the beginning (assuming that the interpreter is on the user's :envvar:`PATH`) at the beginning
of the script and giving the file an executable mode. The ``#!`` must be the of the script and giving the file an executable mode. The ``#!`` must be the
@ -243,5 +243,9 @@ in the script::
.. rubric:: Footnotes .. rubric:: Footnotes
.. [#] On Unix, the 3.0 interpreter is by default not installed with the
executable named ``python``, so that it does not conflict with a
simultaneously installed Python 2.x executable.
.. [#] A problem with the GNU Readline package may prevent this. .. [#] A problem with the GNU Readline package may prevent this.