Mercurial > hg > config

annotate python/tmpbuffer.py @ 288:498210b6e1a9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
add branches alias
author Jeff Hammel <jhammel@mozilla.com>
date Fri, 10 May 2013 12:36:13 -0700
parents dc20e1fa93d0
children e07b99607d27
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
276
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
1 #!/usr/bin/env python
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
2
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
3 # from http://k0s.org/hg/bitsyblog/file/5c04cf601aba/bitsyblog/blogme.py
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
4
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
5 import os
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
6 import subprocess
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
7 import tempfile
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
8
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
9 def tmpbuffer(editor=None):
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
10 """open an editor and retreive the resulting editted buffer"""
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
11
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
12 if not editor:
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
13 editor = os.environ.get('EDITOR')
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
14 if not editor:
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
15 raise Exception("tmpbuffer: editor not supplied and EDITOR not defined")
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
16 tmpfile = tempfile.mktemp(suffix='.txt')
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
17 cmdline = editor.split() # XXX shlex would be more powerful
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
18 cmdline.append(tmpfile)
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
19 edit = subprocess.call(cmdline)
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
20 buffer = file(tmpfile).read().strip()
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
21 os.remove(tmpfile)
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
22 return buffer
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
23
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
24 if __name__ == '__main__':
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
25 # purely for testing/illustration purposes
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
26 contents = tmpbuffer()
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
27 print contents
dc20e1fa93d0 add a thing to make a temporary buffer
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
28