1 files changed, 108 insertions, 0 deletions
diff --git a/libbe/command/due.py b/libbe/command/due.py
new file mode 100644
index 0000000..0b8d1e9
--- /dev/null
+++ b/libbe/command/due.py
@@ -0,0 +1,108 @@
+# Copyright (C) 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.
+"""Set bug due dates"""
+from libbe import cmdutil, bugdir, utility
+__desc__ = __doc__
+
+DUE_TAG="DUE:"
+
+def execute(args, manipulate_encodings=True, restrict_file_access=False,
+            dir="."):
+    """
+    >>> import os
+    >>> bd = bugdir.SimpleBugDir()
+    >>> bd.save()
+    >>> os.chdir(bd.root)
+    >>> execute(["a"], manipulate_encodings=False)
+    No due date assigned.
+    >>> execute(["a", "Thu, 01 Jan 1970 00:00:00 +0000"], manipulate_encodings=False)
+    >>> execute(["a"], manipulate_encodings=False)
+    Thu, 01 Jan 1970 00:00:00 +0000
+    >>> execute(["a", "none"], manipulate_encodings=False) # doctest: +NORMALIZE_WHITESPACE
+    >>> execute(["a"], manipulate_encodings=False)
+    No due date assigned.
+    >>> bd.cleanup()
+    """
+    parser = get_parser()
+    options, args = parser.parse_args(args)
+    cmdutil.default_complete(options, args, parser,
+                             bugid_args={0: lambda bug : bug.active==True})
+                             
+    if len(args) not in (1, 2):
+        raise cmdutil.UsageError('Incorrect number of arguments.')
+    bd = bugdir.BugDir(from_disk=True,
+                       manipulate_encodings=manipulate_encodings,
+                       root=dir)
+    bug = cmdutil.bug_from_id(bd, args[0])
+    if len(args) == 1:
+        due_time = get_due(bug)
+        if due_time is None:
+            print "No due date assigned."
+        else:
+            print utility.time_to_str(due_time)
+    else:
+        if args[1] == "none":
+            remove_due(bug)
+        else:
+            due_time = utility.str_to_time(args[1])
+            set_due(bug, due_time)
+
+def get_parser():
+    parser = cmdutil.CmdOptionParser("be due BUG-ID [DATE]")
+    return parser
+
+longhelp="""
+If no DATE is specified, the bug's current due date is printed.  If
+DATE is specified, it will be assigned to the bug.
+"""
+
+def help():
+    return get_parser().help_str() + longhelp
+
+# internal helper functions
+
+def _generate_due_string(time):
+    return "%s%s" % (DUE_TAG, utility.time_to_str(time))
+
+def _parse_due_string(string):
+    assert string.startswith(DUE_TAG)
+    return utility.str_to_time(string[len(DUE_TAG):])
+
+# functions exposed to other modules
+
+def get_due(bug):
+    matched = []
+    for line in bug.extra_strings:
+        if line.startswith(DUE_TAG):
+            matched.append(_parse_due_string(line))
+    if len(matched) == 0:
+        return None
+    if len(matched) > 1:
+        raise Exception('Several due dates for %s?:\n  %s'
+                        % (bug.uuid, '\n  '.join(matched)))
+    return matched[0]
+
+def remove_due(bug):
+    estrs = bug.extra_strings
+    for due_str in [s for s in estrs if s.startswith(DUE_TAG)]:
+        estrs.remove(due_str)
+    bug.extra_strings = estrs # reassign to notice change
+
+def set_due(bug, time):
+    remove_due(bug)
+    estrs = bug.extra_strings
+    estrs.append(_generate_due_string(time))
+    bug.extra_strings = estrs # reassign to notice change