[Python-ideas] My objections to implicit package directories

Brett Cannon brett at python.org
Wed Mar 21 15:22:51 CET 2012

On Tue, Mar 20, 2012 at 11:49, Ronald Oussoren <ronaldoussoren at mac.com>wrote:

> On 13 Mar, 2012, at 9:15, Guido van Rossum wrote:
> >
> > I think it comes down to this: I really, really, really hate
> > directories with a suffix. I'd like to point out that the suffix is
> > also introducing a backwards incompatibility: everybody will have to
> > teach their tools, IDEs, and brains about .pyp directories,
> Directories with a suffix have the advantage that you could teach GUIs to
> treat
> them differently, filemanagers could for example show a ".pyp" directory as
> a folder with a python logo just like ".py"  files are shown as documents
> with
> a python logo.
OS X has made me dislike that possibility. Some git tools will make
directories ending in .git be considered an opaque object in the file
system, forcing me to drop into a shell or right-click and choose to
inspect the directory in order to see its contents.


> With the implicit approach it is much harder to recognize python packages
> as
> such without detailed knowledge about the import algorithm and python
> search
> path.
> Ronald
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