Mercurial > pymonkey

annotate python-modules/paver/path25.py @ 173:5cfb47c9e916 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Minor line wrap and spacing fixes.
author Atul Varma <varmaa@toolness.com>
date Tue, 01 Sep 2009 03:22:33 -0700
parents 3c2151124cee
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
25
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
1 """Python 2.5+ path module that adds with-statement features."""
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
2 from __future__ import with_statement
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
3
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
4 import os
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
5 from contextlib import contextmanager
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
6
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
7 from paver.path import path
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
8 from paver import tasks
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
9
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
10 __all__ = ['path', 'pushd']
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
11
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
12 @contextmanager
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
13 def pushd(dir):
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
14 '''A context manager (Python 2.5+ only) for stepping into a
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
15 directory and automatically coming back to the previous one.
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
16 The original directory is returned. Usage is like this::
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
17
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
18 from __future__ import with_statement
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
19 # the above line is only needed for Python 2.5
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
20
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
21 from paver.easy import *
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
22
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
23 @task
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
24 def my_task():
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
25 with pushd('new/directory') as old_dir:
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
26 ...do stuff...
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
27 '''
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
28 old_dir = os.getcwd()
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
29 tasks.environment.info('cd %s' % dir)
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
30 os.chdir(dir)
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
31 try:
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
32 yield old_dir
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
33 tasks.environment.info('cd %s' % old_dir)
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
34 finally:
3c2151124cee Converted pavement.py to manage.py and added a README.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
35 os.chdir(old_dir)