https://github.com/python/cpython/commit/134adb32e86c5c4f1335c5884483adf9c56120b0
commit: 134adb32e86c5c4f1335c5884483adf9c56120b0
branch: main
author: Stan Ulbrych <[email protected]>
committer: encukou <[email protected]>
date: 2025-10-30T12:12:45+01:00
summary:
gh-139188: Remove `Tools/tz/zdump.py` script (GH-139189)
files:
A Misc/NEWS.d/next/Tools-Demos/2025-09-20-20-31-54.gh-issue-139188.zfcxkW.rst
D Tools/tz/zdump.py
M Tools/README
diff --git
a/Misc/NEWS.d/next/Tools-Demos/2025-09-20-20-31-54.gh-issue-139188.zfcxkW.rst
b/Misc/NEWS.d/next/Tools-Demos/2025-09-20-20-31-54.gh-issue-139188.zfcxkW.rst
new file mode 100644
index 00000000000000..9f52d0163ab038
--- /dev/null
+++
b/Misc/NEWS.d/next/Tools-Demos/2025-09-20-20-31-54.gh-issue-139188.zfcxkW.rst
@@ -0,0 +1 @@
+Remove ``Tools/tz/zdump.py`` script.
diff --git a/Tools/README b/Tools/README
index c8a34d82206672..22d76dfdbcf4a4 100644
--- a/Tools/README
+++ b/Tools/README
@@ -51,8 +51,6 @@ ssl Scripts to generate ssl_data.h from OpenSSL
sources, and run
tsan Utilities for building CPython with thread-sanitizer.
-tz A script to dump timezone from /usr/share/zoneinfo.
-
unicode Tools for generating unicodedata and codecs from unicode.org
and other mapping files (by Fredrik Lundh, Marc-Andre Lemburg
and Martin von Loewis).
diff --git a/Tools/tz/zdump.py b/Tools/tz/zdump.py
deleted file mode 100644
index 39de0a416d0251..00000000000000
--- a/Tools/tz/zdump.py
+++ /dev/null
@@ -1,81 +0,0 @@
-import sys
-import os
-import struct
-from array import array
-from collections import namedtuple
-from datetime import datetime
-
-ttinfo = namedtuple('ttinfo', ['tt_gmtoff', 'tt_isdst', 'tt_abbrind'])
-
-class TZInfo:
- def __init__(self, transitions, type_indices, ttis, abbrs):
- self.transitions = transitions
- self.type_indices = type_indices
- self.ttis = ttis
- self.abbrs = abbrs
-
- @classmethod
- def fromfile(cls, fileobj):
- if fileobj.read(4).decode() != "TZif":
- raise ValueError("not a zoneinfo file")
- fileobj.seek(20)
- header = fileobj.read(24)
- tzh = (tzh_ttisgmtcnt, tzh_ttisstdcnt, tzh_leapcnt,
- tzh_timecnt, tzh_typecnt, tzh_charcnt) = struct.unpack(">6l",
header)
- transitions = array('i')
- transitions.fromfile(fileobj, tzh_timecnt)
- if sys.byteorder != 'big':
- transitions.byteswap()
-
- type_indices = array('B')
- type_indices.fromfile(fileobj, tzh_timecnt)
-
- ttis = []
- for i in range(tzh_typecnt):
- ttis.append(ttinfo._make(struct.unpack(">lbb", fileobj.read(6))))
-
- abbrs = fileobj.read(tzh_charcnt)
-
- self = cls(transitions, type_indices, ttis, abbrs)
- self.tzh = tzh
-
- return self
-
- def dump(self, stream, start=None, end=None):
- for j, (trans, i) in enumerate(zip(self.transitions,
self.type_indices)):
- utc = datetime.utcfromtimestamp(trans)
- tti = self.ttis[i]
- lmt = datetime.utcfromtimestamp(trans + tti.tt_gmtoff)
- abbrind = tti.tt_abbrind
- abbr = self.abbrs[abbrind:self.abbrs.find(0, abbrind)].decode()
- if j > 0:
- prev_tti = self.ttis[self.type_indices[j - 1]]
- shift = " %+g" % ((tti.tt_gmtoff - prev_tti.tt_gmtoff) / 3600)
- else:
- shift = ''
- print("%s UTC = %s %-5s isdst=%d" % (utc, lmt, abbr, tti[1]) +
shift, file=stream)
-
- @classmethod
- def zonelist(cls, zonedir='/usr/share/zoneinfo'):
- zones = []
- for root, _, files in os.walk(zonedir):
- for f in files:
- p = os.path.join(root, f)
- with open(p, 'rb') as o:
- magic = o.read(4)
- if magic == b'TZif':
- zones.append(p[len(zonedir) + 1:])
- return zones
-
-if __name__ == '__main__':
- if len(sys.argv) < 2:
- zones = TZInfo.zonelist()
- for z in zones:
- print(z)
- sys.exit()
- filepath = sys.argv[1]
- if not filepath.startswith('/'):
- filepath = os.path.join('/usr/share/zoneinfo', filepath)
- with open(filepath, 'rb') as fileobj:
- tzi = TZInfo.fromfile(fileobj)
- tzi.dump(sys.stdout)
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