diff --git a/ardumont/schedule_csv_partition.py b/ardumont/schedule_csv_partition.py
new file mode 100644
index 0000000..79bf3e2
--- /dev/null
+++ b/ardumont/schedule_csv_partition.py
@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+
+# Copyright (C) 2018-2020  The Software Heritage developers
+# See the AUTHORS file at the top-level directory of this distribution
+# License: GNU General Public License version 3, or any later version
+# See top-level LICENSE file for more information
+
+
+import click
+import random
+
+
+@click.command()
+@click.option('--task-type', '-t', default='index-mimetype-partition',
+              help='Add task type')
+@click.option('--policy', '-p', default='oneshot',
+              help='Task policy, either oneshot or recurring')
+@click.option('--number-partitions', '-n', default=100000,
+              help='Number of ranges to compute')
+def main(task_type, policy, number_partitions):
+    """Compute `number-partitions` for a given `task-type` with a given `policy`.
+
+    Use sample:
+    $ python3 -m schedule_csv_partition \
+              --task-type index-mimetype-partition \
+              --policy recurring \
+              --number-ranges 100000 | head -2
+    index-mimetype-partition;oneshot;[30936, 100000]
+    index-mimetype-partition;oneshot;[72794, 100000]
+
+    Schedule the tasks (providing file.csv contains the result of the previous
+    command):
+
+    $ head -1 file.csv | python3 -m swh.scheduler.cli task schedule \
+        -c type -c policy -c args --delimiter ';' -
+
+    """
+    partition_ids = [partition_id for partition_id in range(number_partitions)]
+    random.shuffle(partition_ids)
+
+    assert len(partition_ids) == number_partitions
+
+    for partition_id in partition_ids:
+        print(
+            f"{task_type};{policy};[{partition_id}, {number_partitions}]"
+        )
+
+
+if __name__ == '__main__':
+    main()
diff --git a/ardumont/schedule_csv_range.py b/ardumont/schedule_csv_range.py
deleted file mode 100644
index 99136b8..0000000
--- a/ardumont/schedule_csv_range.py
+++ /dev/null
@@ -1,76 +0,0 @@
-#!/usr/bin/env python3
-
-# Copyright (C) 2018  The Software Heritage developers
-# See the AUTHORS file at the top-level directory of this distribution
-# License: GNU General Public License version 3, or any later version
-# See top-level LICENSE file for more information
-
-
-import click
-import random
-from math import floor
-
-
-def sha1_ranges(number_ranges):
-    """Compute `number_ranges` random 'balanced' sha1 ranges.
-
-    Args:
-        number_ranges (int): Number of ranges to compute
-
-    Returns:
-        List[tuple] of hex [start, end] ranges.
-
-    """
-    bits_number = 160
-    bound_max = 2**bits_number - 1
-    step = floor(bound_max / number_ranges)
-    bound_max_minus = bound_max - step
-
-    def to_hex(number):
-        return '{:040x}'.format(number)
-
-    ranges = []
-    for start, end in zip(
-            range(0, bound_max_minus, step), range(step, bound_max, step)):
-        hex_start = to_hex(start)
-        hex_end = to_hex(end)
-        ranges.append((hex_start, hex_end))
-
-    if end < bound_max:
-        hex_start = to_hex(end)
-        hex_end = to_hex(bound_max)
-        ranges.append((hex_start, hex_end))
-
-    random.shuffle(ranges)
-    return ranges
-
-
-@click.command()
-@click.option('--task-type', '-t', default='indexer_range_mimetype',
-              help='Add task type')
-@click.option('--policy', '-p', default='oneshot',
-              help='Task policy, either oneshot or recurring')
-@click.option('--number-ranges', '-n', default=10,
-              help='Number of ranges to compute')
-def main(task_type, policy, number_ranges):
-    """Compute `number-range` ranges of sha1 (160 bits/20 bytes length)
-       for a given `task-type` with a given `policy`.
-
-    Use sample:
-    $ python3 -m schedule_csv_range \
-              --task-type indexer_range_mimetype \
-              --policy recurring \
-              --number-ranges 100000 | head -2
-    indexer_range_mimetype;recurring;["1acba732df505dad980000000000000000000000", "1acc4ef88b9778f5200000000000000000000000"]  # noqa
-    indexer_range_mimetype;recurring;["2e4649906cca2ec6e00000000000000000000000", "2e46f15619114a0e680000000000000000000000"]  # noqa
-
-    Then actually schedule the tasks:
-    $ head -1 mimetype.prod.csv | python3 -m swh.scheduler.cli task schedule -c type -c policy -c args --delimiter ';' -
-
-    """
-    for r in sha1_ranges(number_ranges):
-        print('%s;%s;["%s", "%s"]' % (task_type, policy, r[0], r[1]))
-
-
-if __name__ == '__main__':
-    main()