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diff --git a/modules/home.legacy/conf/taskwarrior/hooks/scripts/on-modify_track-total-active-time.py b/modules/home.legacy/conf/taskwarrior/hooks/scripts/on-modify_track-total-active-time.py
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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# Copyright (C) 2016-present Arctic Ice Studio <development@arcticicestudio.com>
+# Copyright (C) 2016-present Sven Greb <development@svengreb.de>
+
+# Project:    igloo
+# Repository: https://github.com/arcticicestudio/igloo
+# License:    MIT
+# References:
+#   https://taskwarrior.org/docs
+#   task(1)
+
+"""A Taskwarrior hook to track the total active time of a task.
+
+The tracked time is stored in a UDA task duration attribute named ``totalactivetime`` of type ``duration`` holding the total number of seconds the task was
+active. The tracked time can then be included in any report by adding the ``totalactivetime`` column.
+
+By default, this plugin allows to have one task active at a time. This can be changed by setting ``max_active_tasks`` in ``.taskrc`` to a value greater than
+``1``.
+
+Note:
+    This hook requires Python 3 and the `taskw`_ package to be installed which provides the python bindings for Taskwarrior!
+    Also note that this hook is only compatible with Taskwarrior version greater or equal to 2.4!
+
+This hook is a fork from `kostajh/taskwarrior-time-tracking-hook`_
+
+.. _taskw:
+   https://pypi.python.org/pypi/taskw
+.. _kostajh/taskwarrior-time-tracking-hook:
+   https://github.com/kostajh/taskwarrior-time-tracking-hook
+"""
+
+import datetime
+import json
+import re
+import sys
+import subprocess
+from taskw import TaskWarrior
+from typing import TypeVar
+
+TIME_FORMAT = "%Y%m%dT%H%M%SZ"
+UDA_KEY = "total_active_time"
+
+w = TaskWarrior(config_filename=sys.argv[4].replace("rc:", ""))
+config = w.load_config(config_filename=sys.argv[4].replace("rc:", ""))
+if "max_active_tasks" in config:
+    MAX_ACTIVE = int(config["max_active_tasks"])
+else:
+    MAX_ACTIVE = 1
+
+"""Compiled regular expression for the duration as ISO-8601 formatted string."""
+ISO8601DURATION = re.compile("P((\d*)Y)?((\d*)M)?((\d*)D)?T((\d*)H)?((\d*)M)?((\d*)S)?")
+
+"""The duration type either as integer (in seconds), as ISO-8601 formatted string ("PT1H10M31S") or the seconds suffixed with "seconds"."""
+DurationType = TypeVar("DurationType", str, int)
+
+
+def duration_str_to_time_delta(duration_str: DurationType) -> datetime.timedelta:
+    """Converts duration string into a timedelta object.
+
+    :param duration_str: The duration
+    :return: The duration as timedelta object
+    """
+    if duration_str.startswith("P"):
+        match = ISO8601DURATION.match(duration_str)
+        if match:
+            year = match.group(2)
+            month = match.group(4)
+            day = match.group(6)
+            hour = match.group(8)
+            minute = match.group(10)
+            second = match.group(12)
+            value = 0
+            if second:
+                value += int(second)
+            if minute:
+                value += int(minute) * 60
+            if hour:
+                value += int(hour) * 3600
+            if day:
+                value += int(day) * 3600 * 24
+            if month:
+                # Assume a month is 30 days for now.
+                value += int(month) * 3600 * 24 * 30
+            if year:
+                # Assume a year is 365 days for now.
+                value += int(year) * 3600 * 24 * 365
+        else:
+            value = int(duration_str)
+    elif duration_str.endswith("seconds"):
+        value = int(duration_str.rstrip("seconds"))
+    else:
+        value = int(duration_str)
+    return datetime.timedelta(seconds=value)
+
+
+def main():
+    original = json.loads(sys.stdin.readline())
+    modified = json.loads(sys.stdin.readline())
+
+    # An active task has just been started.
+    if "start" in modified and "start" not in original:
+        # Prevent this task from starting if "task +ACTIVE count" is greater than "MAX_ACTIVE".
+        p = subprocess.Popen(
+            ["task", "+ACTIVE", "status:pending", "count", "rc.verbose:off"],
+            stdout=subprocess.PIPE,
+        )
+        out, err = p.communicate()
+        count = int(out.rstrip())
+        if count >= MAX_ACTIVE:
+            print(
+                "Only %d task(s) can be active at a time. "
+                "See 'max_active_tasks' in .taskrc." % MAX_ACTIVE
+            )
+            sys.exit(1)
+
+    # An active task has just been stopped.
+    if "start" in original and "start" not in modified:
+        # Calculate the elapsed time.
+        start = datetime.datetime.strptime(original["start"], TIME_FORMAT)
+        end = datetime.datetime.utcnow()
+
+        if UDA_KEY not in modified:
+            modified[UDA_KEY] = 0
+
+        this_duration = end - start
+        total_duration = this_duration + duration_str_to_time_delta(
+            str(modified[UDA_KEY])
+        )
+        print(
+            "Total Time Tracked: %s (%s in this instance)"
+            % (total_duration, this_duration)
+        )
+        modified[UDA_KEY] = (
+            str(int(total_duration.days * (60 * 60 * 24) + total_duration.seconds))
+            + "seconds"
+        )
+
+    return json.dumps(modified, separators=(",", ":"))
+
+
+def cmdline():
+    sys.stdout.write(main())
+
+
+if __name__ == "__main__":
+    cmdline()