diff options
Diffstat (limited to 'libbe/utility.py')
| -rw-r--r-- | libbe/utility.py | 43 |
1 files changed, 31 insertions, 12 deletions
diff --git a/libbe/utility.py b/libbe/utility.py index e16b94a..3df06b4 100644 --- a/libbe/utility.py +++ b/libbe/utility.py @@ -1,19 +1,19 @@ # Copyright (C) 2005-2009 Aaron Bentley and Panometrics, Inc. # 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 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. +# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# 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. import calendar import codecs import os @@ -23,7 +23,6 @@ import time import types import doctest - def search_parent_directories(path, filename): """ Find the file (or directory) named filename in path or in any @@ -106,5 +105,25 @@ def time_to_gmtime(str_time): time_val = str_to_time(str_time) return time_to_str(time_val) +def iterable_full_of_strings(value, alternative=None): + """ + Require an iterable full of strings. + >>> iterable_full_of_strings([]) + True + >>> iterable_full_of_strings(["abc", "def", u"hij"]) + True + >>> iterable_full_of_strings(["abc", None, u"hij"]) + False + >>> iterable_full_of_strings(None, alternative=None) + True + """ + if value == alternative: + return True + elif not hasattr(value, "__iter__"): + return False + for x in value: + if type(x) not in types.StringTypes: + return False + return True suite = doctest.DocTestSuite() |