On Dec 4, 2009, at 9:18 AM, kiorky wrote:
> ZopeComponentArchitecture/Entry points with an assembler like buildout for the
> later won't pollute site-packages
I tried searching for "ZopeComponentArchitecture/Entry points" but found
nothing that seemed relevant. Did you mean "setuptools entry_points"?
I only know a bit about them, in the context of using TurboGears, but have not
used them in my own code.
I had some concerns about them. For one, all of the plugins define out-word
facing web services on our server. If the plugins can be located in arbitrary
locations inside of site-packages, how does the administrator know which
plugins will be activated? How does the admin enable/disable a plugin for
testing or security reasons, except by changing the entire package installation?
If the admin wants to change the URL for a given service from "/spam" to
"/spam_and_eggs", which is currently done as configuration data in the
installed plugin, file, that is, by changing
# default service name is base on the function name. This becomes "/spam"
@simple_service("GET", "http://protocol.id/";)
def spam():
return "Spam!"
-to-
@simple_service("GET", "http://protocol.id/";, "spam_and_eggs")
def spam():
return "Spam!"
It does not seem like changing the installed package will be so simple. It
would mean searching the installed site-packages to find "spam" (instead of
now, which is done with a grep of a single directory) and possibly made more
difficult if the package is installed as an egg.
These are reasons I decided not to look into setuptools' entry_points as a
solution to this problem.
Andrew
da...@dalkescientific.com
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