Re: [PATCH] [gdb/testsuite] Handle missing curses in gdb.python/py-missing-debug.exp

[Andrew Burgess <aburgess@redhat.com>]

Andrew Burgess <aburgess@redhat.com> writes:

> Tom de Vries <tdevries@suse.de> writes:
>
>> On 9/8/24 22:38, Andrew Burgess wrote:
>>> Tom de Vries <tdevries@suse.de> writes:
>>> 
>>>> On a system with python 3.6, module gdb.missing_debug imports module curses,
>>>> so when running test-case gdb.python/py-missing-debug.exp on a system without
>>>> that module installed, we run into:
>>>> ...
>>>> (gdb) source py-missing-debug.py^M
>>>> Python Exception <class 'ImportError'>: Module 'curses' is not installed.^M
>>>> Use:^M
>>>>    sudo zypper install python36-curses^M
>>>> to install it.^M
>>>> Error occurred in Python: Module 'curses' is not installed.^M
>>>> Use:^M
>>>>    sudo zypper install python36-curses^M
>>>> to install it.^M
>>>> (gdb) FAIL: gdb.python/py-missing-debug.exp: source python script
>>> 
>>
>> Hi Andrew,
>>
>>> Do you know where the curses include is coming from?
>>> 
>>
>> Yes, from gdb/python/lib/gdb/missing_debug.py:
>> ...
>> if sys.version_info >= (3, 7):
>>      # Functions str.isascii() and str.isalnum are available starting Python
>>      # 3.7.
>>      def isascii(ch):
>>          return ch.isascii()
>>
>>      def isalnum(ch):
>>          return ch.isalnum()
>>
>> else:
>>      # Fall back to curses.ascii.isascii() and curses.ascii.isalnum() for
>>      # earlier versions.
>>      from curses.ascii import isalnum, isascii
>> ...
>
> Thanks for explaining this.  I wonder if there's a way we could avoid
> that dependency... I'll have a think about that one.

I posted:

https://inbox.sourceware.org/gdb-patches/7c515b37e2bf7ca319e76ebcbd3b16137d8919c3.1725900938.git.aburgess@redhat.com/T/#u

Thanks,
Andrew