Create timespent.py

timespent.py

@@ -0,0 +1,53 @@
+import subprocess
+from datetime import datetime, timedelta
+
+# Run git log command
+log_output = subprocess.check_output(
+    ['git', 'log', '--pretty=format:%h %an %ad', '--date=iso'],
+    text=True
+)
+
+# Parse commit dates
+commit_times = []
+for line in log_output.splitlines():
+    parts = line.strip().split()
+    if len(parts) < 4:
+        continue
+    # Commit hash, author, datetime string
+    dt_str = " ".join(parts[2:4])  # "YYYY-MM-DD HH:MM:SS"
+    try:
+        dt = datetime.strptime(dt_str, "%Y-%m-%d %H:%M:%S")
+        commit_times.append(dt)
+    except ValueError:
+        continue
+
+# Sort commits chronologically
+commit_times.sort()
+
+# Session grouping (commits < 1 hour apart are same session)
+SESSION_GAP = timedelta(hours=1)
+sessions = []
+if commit_times:
+    start = commit_times[0]
+    prev = commit_times[0]
+
+    for t in commit_times[1:]:
+        if t - prev > SESSION_GAP:
+            # Close previous session
+            sessions.append((start, prev))
+            start = t
+        prev = t
+    sessions.append((start, prev))  # last session
+
+# Estimate durations
+total_time = timedelta()
+for start, end in sessions:
+    duration = end - start
+    # Add a minimum session length (e.g. 30 min) so single commits aren’t near-zero
+    if duration < timedelta(minutes=30):
+        duration = timedelta(minutes=30)
+    total_time += duration
+
+print(f"Number of commits: {len(commit_times)}")
+print(f"Number of sessions: {len(sessions)}")
+print(f"Estimated total coding time: {total_time} (~{total_time.total_seconds()/3600:.1f} hours)")