pkg/57802: py-setuptools build fetches dependencies

[mlelstv%netbsd.org@localhost]

>Number:         57802
>Category:       pkg
>Synopsis:       py-setuptools build fetches dependencies
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Dec 30 07:25:00 +0000 2023
>Originator:     mlelstv%netbsd.org@localhost
>Release:        NetBSD 10.99.10
>Organization:
	
>Environment:
	
	
System: NetBSD slowpoke 10.99.10 NetBSD 10.99.10 (SLOWPOKE) #89: Thu Dec 14 16:13:10 UTC 2023 mlelstv@slowpoke:/scratch2/obj.amd64/scratch/netbsd-current/src/sys/arch/amd64/compile/SLOWPOKE amd64
Architecture: x86_64
Machine: amd64
>Description:

Building py-setuptools (for any python version) from 2023Q4 breaks as
it tries to download dependencies from the Internet during the installation
phase:

      WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x79fd2d50a7e0>: Failed to establish a new connection: [Errno 51] Network is unreachable')': /simple/wheel/
      WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x79fd2d50ab10>: Failed to establish a new connection: [Errno 51] Network is unreachable')': /simple/wheel/
      WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x79fd2d50af30>: Failed to establish a new connection: [Errno 51] Network is unreachable')': /simple/wheel/
      WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x79fd2d50b0e0>: Failed to establish a new connection: [Errno 51] Network is unreachable')': /simple/wheel/
      WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x79fd2d50b290>: Failed to establish a new connection: [Errno 51] Network is unreachable')': /simple/wheel/
      ERROR: Could not find a version that satisfies the requirement wheel (from versions: none)
      ERROR: No matching distribution found for wheel
      [end of output]

>How-To-Repeat:

Try to build pkgsrc-2023Q4 on an isolated system with access to all distfiles.

>Fix:
	

>Unformatted: