#16955: Give safer names to preparsed files
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Reporter: jdemeyer | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.4
Component: scripts | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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If you run `sage new.sage` on a script `new.sage`, it creates a preparsed
file `new.py`. Then when a file in the twisted package tries to import
the `new` Python module, it ends up importing this preparsed file instead,
which leads to problems which can be hard to track down.
I can think of several solutions:
1. hope that users will know not to use names like `new.sage`. This is
the current state of affairs, and it seems overly optimistic to me.
2. give a warning, or fail outright with an error, if the name of the
file is the same as that of a Python module.
3. name the preparsed file something which is less likely to cause a
clash, for example, turn `file.sage` into `file.sage.py`.
4. don't save the preparsed file at all: use a pipe to transfer the
preparsed file to Python (see #11821).
The goal of this ticket is to implement 3.
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Ticket URL: <http://trac.sagemath.org/ticket/16955>
Sage <http://www.sagemath.org>
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