[3.9] bpo-29566: binhex.binhex now consitently writes MacOS 9 line endings. (GH-23059) (GH-23071)
[[bpo-29566]()]() notes that binhex.binhex uses inconsistent line endings (both Unix and MacOS9 line endings are used). This PR changes this to use the MacOS9 line endings everywhere.
(cherry picked from commit 2165cea548f961b308050f30d1f042a377651d44)
Co-authored-by: Ronald Oussoren <ronaldoussoren@mac.com>
Automerge-Triggered-By: GH:ronaldoussoren
diff --git a/Lib/binhex.py b/Lib/binhex.py
index 9559f46..ace5217 100644
--- a/Lib/binhex.py
+++ b/Lib/binhex.py
@@ -117,12 +117,12 @@
first = 0
while first <= len(self.hqxdata) - self.linelen:
last = first + self.linelen
- self.ofp.write(self.hqxdata[first:last] + b'\n')
+ self.ofp.write(self.hqxdata[first:last] + b'\r')
self.linelen = LINELEN
first = last
self.hqxdata = self.hqxdata[first:]
if force:
- self.ofp.write(self.hqxdata + b':\n')
+ self.ofp.write(self.hqxdata + b':\r')
def close(self):
if self.data:
diff --git a/Lib/test/test_binhex.py b/Lib/test/test_binhex.py
index 591f32a..9c9486e 100644
--- a/Lib/test/test_binhex.py
+++ b/Lib/test/test_binhex.py
@@ -48,6 +48,18 @@
self.assertRaises(binhex.Error, binhex.binhex, self.fname3, self.fname2)
+ def test_binhex_line_endings(self):
+ # bpo-29566: Ensure the line endings are those for macOS 9
+ with open(self.fname1, 'wb') as f:
+ f.write(self.DATA)
+
+ binhex.binhex(self.fname1, self.fname2)
+
+ with open(self.fname2, 'rb') as fp:
+ contents = fp.read()
+
+ self.assertNotIn(b'\n', contents)
+
def test_main():
support.run_unittest(BinHexTestCase)