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Diffstat (limited to 'interfaces/email/interactive/libbe/editor.py')
-rw-r--r-- | interfaces/email/interactive/libbe/editor.py | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/interfaces/email/interactive/libbe/editor.py b/interfaces/email/interactive/libbe/editor.py deleted file mode 100644 index ec41006..0000000 --- a/interfaces/email/interactive/libbe/editor.py +++ /dev/null @@ -1,108 +0,0 @@ -# Bugs Everywhere, a distributed bugtracker -# Copyright (C) 2008-2009 W. Trevor King <wking@drexel.edu> -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License along -# with this program; if not, write to the Free Software Foundation, Inc., -# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - -""" -Define editor_string(), a function that invokes an editor to accept -user-produced text as a string. -""" - -import codecs -import locale -import os -import sys -import tempfile -import doctest - - -default_encoding = sys.getfilesystemencoding() or locale.getpreferredencoding() - -comment_marker = u"== Anything below this line will be ignored\n" - -class CantFindEditor(Exception): - def __init__(self): - Exception.__init__(self, "Can't find editor to get string from") - -def editor_string(comment=None, encoding=None): - """Invokes the editor, and returns the user-produced text as a string - - >>> if "EDITOR" in os.environ: - ... del os.environ["EDITOR"] - >>> if "VISUAL" in os.environ: - ... del os.environ["VISUAL"] - >>> editor_string() - Traceback (most recent call last): - CantFindEditor: Can't find editor to get string from - >>> os.environ["EDITOR"] = "echo bar > " - >>> editor_string() - u'bar\\n' - >>> os.environ["VISUAL"] = "echo baz > " - >>> editor_string() - u'baz\\n' - >>> del os.environ["EDITOR"] - >>> del os.environ["VISUAL"] - """ - if encoding == None: - encoding = default_encoding - for name in ('VISUAL', 'EDITOR'): - try: - editor = os.environ[name] - break - except KeyError: - pass - else: - raise CantFindEditor() - fhandle, fname = tempfile.mkstemp() - try: - if comment is not None: - cstring = u'\n'+comment_string(comment) - os.write(fhandle, cstring.encode(encoding)) - os.close(fhandle) - oldmtime = os.path.getmtime(fname) - os.system("%s %s" % (editor, fname)) - f = codecs.open(fname, "r", encoding) - output = trimmed_string(f.read()) - f.close() - if output.rstrip('\n') == "": - output = None - finally: - os.unlink(fname) - return output - - -def comment_string(comment): - """ - >>> comment_string('hello') == comment_marker+"hello" - True - """ - return comment_marker + comment - - -def trimmed_string(instring): - """ - >>> trimmed_string("hello\\n"+comment_marker) - u'hello\\n' - >>> trimmed_string("hi!\\n" + comment_string('Booga')) - u'hi!\\n' - """ - out = [] - for line in instring.splitlines(True): - if line.startswith(comment_marker): - break - out.append(line) - return ''.join(out) - -suite = doctest.DocTestSuite() |