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annotate python/tmpbuffer.py @ 276:dc20e1fa93d0

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add a thing to make a temporary buffer
author Jeff Hammel <jhammel@mozilla.com>
date Thu, 18 Apr 2013 16:14:09 -0700
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children e07b99607d27
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1 #!/usr/bin/env python
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3 # from http://k0s.org/hg/bitsyblog/file/5c04cf601aba/bitsyblog/blogme.py
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4
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5 import os
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6 import subprocess
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7 import tempfile
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8
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9 def tmpbuffer(editor=None):
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10 """open an editor and retreive the resulting editted buffer"""
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11
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12 if not editor:
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13 editor = os.environ.get('EDITOR')
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14 if not editor:
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15 raise Exception("tmpbuffer: editor not supplied and EDITOR not defined")
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16 tmpfile = tempfile.mktemp(suffix='.txt')
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17 cmdline = editor.split() # XXX shlex would be more powerful
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18 cmdline.append(tmpfile)
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19 edit = subprocess.call(cmdline)
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20 buffer = file(tmpfile).read().strip()
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21 os.remove(tmpfile)
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22 return buffer
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23
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24 if __name__ == '__main__':
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25 # purely for testing/illustration purposes
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26 contents = tmpbuffer()
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27 print contents
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