It appears to me to be happening because gobject-introspection only
ships a python file for python3.8 not python3.7 which is the default in
focal.
$ python3.7 /usr/bin/g-ir-scanner
Traceback (most recent call last):
File "/usr/bin/g-ir-scanner", line 99, in <module>
from giscanner.scannermain import scanner_main
File
"/usr/lib/x86_64-linux-gnu/gobject-introspection/giscanner/scannermain.py",
line 35, in <module>
from giscanner.ast import Include, Namespace
File "/usr/lib/x86_64-linux-gnu/gobject-introspection/giscanner/ast.py", line
29, in <module>
from .sourcescanner import CTYPE_TYPEDEF, CSYMBOL_TYPE_TYPEDEF
File
"/usr/lib/x86_64-linux-gnu/gobject-introspection/giscanner/sourcescanner.py",
line 33, in <module>
from giscanner._giscanner import SourceScanner as CSourceScanner
ModuleNotFoundError: No module named 'giscanner._giscanner'
$ python3.8 /usr/bin/g-ir-scanner
ERROR: Need at least one filename
$ ls -alh /usr/bin/python3
lrwxrwxrwx 1 root root 9 Oct 18 10:23 /usr/bin/python3 -> python3.7
** Also affects: python3-defaults (Ubuntu)
Importance: Undecided
Status: New
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Ubuntu.
https://bugs.launchpad.net/bugs/1861556
Title:
g-ir-scanner doesn't work
Status in gobject-introspection package in Ubuntu:
New
Status in python3-defaults package in Ubuntu:
New
Bug description:
Running g-ir-scanner doesn't work anymore after a recent upgrade with
a fully up to date focal:
Traceback (most recent call last):
File "/usr/bin/g-ir-scanner", line 99, in <module>
from giscanner.scannermain import scanner_main
File
"/usr/lib/x86_64-linux-gnu/gobject-introspection/giscanner/scannermain.py",
line 35, in <module>
from giscanner.ast import Include, Namespace
File "/usr/lib/x86_64-linux-gnu/gobject-introspection/giscanner/ast.py",
line 29, in <module>
from .sourcescanner import CTYPE_TYPEDEF, CSYMBOL_TYPE_TYPEDEF
File
"/usr/lib/x86_64-linux-gnu/gobject-introspection/giscanner/sourcescanner.py",
line 33, in <module>
from giscanner._giscanner import SourceScanner as CSourceScanner
ModuleNotFoundError: No module named 'giscanner._giscanner'
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gobject-introspection 1.62.0-4ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8
Uname: Linux 5.4.0-12-generic x86_64
ApportVersion: 2.20.11-0ubuntu16
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sat Feb 1 07:04:11 2020
InstallationDate: Installed on 2019-08-13 (171 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Alpha amd64 (20190712)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: gobject-introspection
UpgradeStatus: Upgraded to focal on 2019-11-04 (89 days ago)
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