[lnst] Utils: Adding has_changed_since

commit e7663fb358dea488958e0dccbef265817bcc15ab Author: Radek Pazdera <rpazdera(a)redhat.com&gt; Date: Thu Nov 8 16:17:45 2012 +0100 Utils: Adding has_changed_since This predicate will examine a file or a directory subtree and evaluate False in case any file has been modified after the threshold time. Signed-off-by: Radek Pazdera <rpazdera(a)redhat.com&gt; Common/Utils.py | 19 +++++++++++++++++++ 1 files changed, 19 insertions(+), 0 deletions(-) --- diff --git a/Common/Utils.py b/Common/Utils.py index 0170920..3109a31 100644 --- a/Common/Utils.py +++ b/Common/Utils.py @@ -129,3 +129,22 @@ def dir_md5sum(dir_path): os.unlink(tar_filepath) return md5_digest + +def has_changed_since(filepath, threshold): + if os.path.isfile(filepath): + return _is_newer_than(filepath, threshold) + + for root, dirs, files in os.walk(directory): + for f in files: + if _is_newer_than(f, threshold): + return False + + for d in dirs: + if _is_newer_than(d, threshold): + return False + + return True + +def _is_newer_than(f, threshold): + stat = os.stat(f) + return stat.st_mtime > threshold