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authormilde <milde@929543f6-e4f2-0310-98a6-ba3bd3dd1d04>2007-10-22 09:56:40 +0000
committermilde <milde@929543f6-e4f2-0310-98a6-ba3bd3dd1d04>2007-10-22 09:56:40 +0000
commit4a33f10b2bc9eadd02c4538d126d0076e591bfbd (patch)
tree0dcb9c9a28866555ac32e1c4d367293b86ef3170 /sandbox/code-block-directive/docs/for-else-test.py.txt
parentf81238ff65e7885ba3eadecedf3c263961be2bbf (diff)
downloaddocutils-4a33f10b2bc9eadd02c4538d126d0076e591bfbd.tar.gz
move example files for "legacy" implementation
git-svn-id: http://svn.code.sf.net/p/docutils/code/trunk@5460 929543f6-e4f2-0310-98a6-ba3bd3dd1d04
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-Example for syntax highlight with Pygments
-==========================================
-
-Translate this document to HTML with a pygments enhanced frontend::
-
- rst2html-pygments --stylesheet=pygments-default.css
-
-or to LaTeX with::
-
- rst2latex-pygments --stylesheet=pygments-default.sty
-
-to gain syntax highlight in the output.
-
-Convert between text <-> code source formats with::
-
- pylit --code-block-marker='.. code-block:: python'
-
-Run the doctests with::
-
- pylit --doctest for-else-test.py
-
-
-for-else-test
--------------
-
-Test the flow in a `for` loop with `else` statement.
-
-First define a simple `for` loop.
-
-.. code-block:: python
-
- def loop1(iterable):
- """simple for loop with `else` statement"""
- for i in iterable:
- print i
- else:
- print "iterable empty"
- print "Ende"
-
-Now test it:
-
-The first test runs as I expect: iterator empty -> else clause applies:
-
-.. code-block:: pycon
-
- >>> execfile('for-else-test.py')
- >>> loop1(range(0))
- iterable empty
- Ende
-
-However, the else clause even runs if the iterator is not empty in the first
-place but after it is "spent":
-
-.. code-block:: pycon
-
- >>> loop1(range(3))
- 0
- 1
- 2
- iterable empty
- Ende
-
-It seems like the else clause can only be prevented, if we break out of
-the loop. Let's try
-
-.. code-block:: python
-
- def loop2(iterable):
- """for loop with `break` and `else` statement"""
- for i in iterable:
- print i
- break
- else:
- print "iterable empty"
- print "Ende"
-
-And indeed, the else clause is skipped after breaking out of the loop:
-
-.. code-block:: pycon
-
- >>> loop2(range(3))
- 0
- Ende
-
-The empty iterator runs as expected:
-
-.. code-block:: pycon
-
- >>> loop2(range(0))
- iterable empty
- Ende
-