Failure to launch: corrupted python script: /usr/bin/cherrytree/usr/bin/cherrytree

[David A. Cobb]

** Pasted from emacs shell buffer: **
bash $ aptitude show cherrytree
Package: cherrytree
Version: 0.37.6-1
State: installed
Automatically installed: no
Priority: optional
Section: universe/editors
Maintainer: Ubuntu Developers <email address hidden>
Architecture: all
Uncompressed Size: 2756 k
Depends: p7zip-full, python-appindicator, python-dbus, python-enchant,
         python-chardet, python-gtk2 (>= 2.16), python-gtksourceview2,
         python:any (< 2.8), python:any (>= 2.7.5-5~)
Description: hierarchical note taking application
 CherryTree is a hierarchical note taking application, featuring rich text,
 syntax highlighting, images handling, hyperlinks, import/export with support
 for multiple formats, support for multiple languages, and more.
Homepage: http://www.giuspen.com/cherrytree/

superbiskit@BiskitHome:~
bash $ cherrytree &
[1] 23856
superbiskit@BiskitHome:~
bash $ File "/usr/bin/cherrytree", line 66
    print "cherrytree [filepath [-n nodename][-x export_to_html_dir]]"
                                                                     ^
SyntaxError: Missing parentheses in call to 'print'. Did you mean print(print "cherrytree [filepath [-n nodename][-x export_to_html_dir]]")?
Original exception was:
  File "/usr/bin/cherrytree", line 66
    print "cherrytree [filepath [-n nodename][-x export_to_html_dir]]"
                                                                     ^
SyntaxError: Missing parentheses in call to 'print'. Did you mean print(print "cherrytree [filepath [-n nodename][-x export_to_html_dir]]")?

[1]+ Exit 1 cherrytree
****
This is one of (at least) two failures appearing to involve "corrupted" python scripts.

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: cherrytree 0.37.6-1
ProcVersionSignature: Ubuntu 4.13.0-19.22-generic 4.13.13
Uname: Linux 4.13.0-19-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.6
Architecture: amd64
CurrentDesktop: LXDE
Date: Wed Dec 13 11:10:18 2017
InstallationDate: Installed on 2017-08-29 (106 days ago)
InstallationMedia: Lubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
PackageArchitecture: all
SourcePackage: cherrytree
UpgradeStatus: Upgraded to artful on 2017-10-25 (49 days ago)

[David A. Cobb (superbiskit)]

SEE ALSO: <https://bugs.launchpad.net/ubuntu/+source/wxglade/+bug/1738041>

[David A. Cobb (superbiskit)]

BAHHH! DEPENDS python:any (< 2.8), and I have set python3 as default python.

[David A. Cobb (superbiskit)]

Corrected this by changing Sha-Bang on /usr/bin/cherrytree
-- #! /usr/bin/python
++ #! /usr/bin/python2.7

That would seem to make this a policy issue. Should Python2.x dependencies be specific within the package? Should package depend on alternatives setting, or does that belong to the site administrator?

[Mr. Asif Mohammad Mollah (mrasif)]

I have opened bash file of cherrytree
$sudo vim /usr/bin/cherrytree
Then modify
#!/usr/bin/python
to
#!/usr/bin/python2.7

2.7 is a version of python.

It fixed this issue.

[Rolf Leggewie (r0lf)]

Unfortunately, python3 as default is not supported prior to focal.

https://irclogs.ubuntu.com/2021/02/16/#ubuntu-devel.html#t10:29