id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	launchpad_bug
1302	installing Python 3 breaks bin\tahoe on Windows	davidsarah	davidsarah	"Installing native-Windows Python 3 breaks {{{bin\tahoe}}}, because it changes the registry association for 'Python.File' to the Python 3 interpreter. This results in syntax errors because {{{tahoe.pyscript}}} is not compatible with Python 3.

(The exact version/installer I used was ""Windows x86 MSI Installer (3.2b2)"" from http://www.python.org/download/releases/3.2/ .)

This is strictly speaking a bug in zetuptoolz, but only Tahoe uses zetuptoolz.

Workarounds:
* {{{bin/tahoe}}} from a Cygwin prompt still works, because that uses the shebang line which is correct.
* {{{c:\python26\python bin\tahoe}}} (or whatever the full path to Python 2.x is) works.
* {{{python bin\tahoe}}} works if Python 2.x is on the PATH. The Python 3 installer does not change the PATH (either for the current user or the system-wide one).

Although building Tahoe-LAFS causes .pyscript to be associated with Python.File, it does not change the association for Python.File (intentionally, because that would be impolite!), so rerunning a build, install, or {{{python setup.py scriptsetup}}} does not fix the problem."	defect	closed	major	1.12.0	packaging	1.8.1	wontfix	windows regression setuptools python