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import os
import time
def time_since_last_modification(path_dir: str) -> float:
"""
Returns how many seconds ago the directory `path_dir` was last modified.
Specifically, looks at all files in the directory and finds the newest mtime.
If the directory is empty, returns 0.
"""
all_mtimes = []
for filename in os.listdir(path_dir):
filepath = os.path.join(path_dir, filename)
st = os.stat(filepath)
all_mtimes.append(st.st_mtime)
if not all_mtimes:
return 0.0 # No files at all, treat as 0 or handle specially
most_recent_mtime = max(all_mtimes)
return time.time() - most_recent_mtime
if __name__ == "__main__":
path_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
print(f"Time since last modification in {path_dir}: {time_since_last_modification(path_dir)} seconds") |