Philipp von Weitershausen wrote: > Christian Theune wrote: >> Hi, >> >> as I stumbled over this recently, I'd like to bring this up for >> discussion: >> >> There is an interface called IWriteFile in the module >> zope.filerepresentation.interfaces. >> >> It defines one method "write(data)" with the doc string: >> >> "Update the file data" >> >> There are some problems I have with this: >> >> a) The interface is yet another interface for doing a file-like object. >> How many of those are around? > > Oh, which others are there?
Humm. Looks like it's only that one =). >> b) It *seems intended* not to be really file-like but that "update the >> file data" means: writing to this will replace all previous data > > Yes. Too bad. :/ >> c) The doc string is IMHO underspecified (I asked 3 other developers in >> the office. One of them said "it will replace the data on the second >> call", one said "it will append data like the file object", the third >> wasn't sure but was in favor of appending data) >> >> This interface is used only in very few places in Zope. > > FTP and HTTP PUT. Yup. That's what I saw. >> I'm not sure what to do now, but I think something needs to be changed. >> Here are some options: >> >> - Make the doc string more explicit. (That should happen anyway) >> - Keep the current behavior. > > I think we'll have to :(. There have been lots of documented uses of > filerepresentation > >> - Change the current behavior and make write() act like Python's >> file.write() > > Perhaps in a new interface? We probably have to. But to be honest? I totally understand every programmer that will ask us "WTF?!?". Does anybody see a better way out of that situation without deprecating anything again? Christian -- gocept gmbh & co. kg - forsterstraße 29 - 06112 halle/saale - germany www.gocept.com - [EMAIL PROTECTED] - phone +49 345 122 9889 7 - fax +49 345 122 9889 1 - zope and plone consulting and development
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