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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
========================
The Python interpreter is usually installed as :file:`/usr/local/bin/python` on
those machines where it is available; putting :file:`/usr/local/bin` in your
The Python interpreter is usually installed as :file:`/usr/local/bin/python3.0`
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 ::
python
python3.0
to the shell. Since the choice of the directory where the interpreter lives is
an installation option, other places are possible; check with your local Python
guru or system administrator. (E.g., :file:`/usr/local/python` is a popular
alternative location.)
to the shell. [#]_ Since the choice of the directory where the interpreter lives
is an installation option, other places are possible; check with your local
Python guru or system administrator. (E.g., :file:`/usr/local/python` is a
popular alternative location.)
On Windows machines, the Python installation is usually placed in
: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
if you had spelled out its full name on the command line.
Note that there is a difference between ``python file`` and ``python <file``.
In the latter case, input requests from the program, such as calling
Note that there is a difference between ``python file`` and ``python
<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
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
@ -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
before printing the first prompt::
$ python
$ python3.0
Python 3.0a1 (py3k, Sep 12 2007, 12:21:02)
[GCC 3.4.6 20060404 (Red Hat 3.4.6-8)] on linux2
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
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
of the script and giving the file an executable mode. The ``#!`` must be the
@ -243,5 +243,9 @@ in the script::
.. 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.