"Fredrik Lundh" <fredrik@pythonware.com> writes: > > > have you tried migrating a huge python system from 1.5.2 to 2.x? > > > if so, what did you learn? > > > > That it is easier than porting from 1.4. > > this does not match my experiences (neither from 24/7 production > systems, nor any of our gui applications). > > what kind of applications have you ported? I found the primary difference in the use of the regex module: Python 1.5 code would use the re module, which was not available in 1.4. This now causes a DeprecationWarning. The most recent instance where I had to change this was YAPPS. Regards, Martin
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