#15993: Python 3 preparation: Remove implicit tuple parameter unpacking
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Reporter: wluebbe | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.2
Component: distribution | Keywords: python3
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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The old syntax no more supported by Python 3.
Changes according to {{{lib2to3/fixes/fix_tuple_params.py}}}:
{{{
Fixer for function definitions with tuple parameters:
Replace
def func(((a, b), c), d):
...
with
def func(x, d):
((a, b), c) = x
...
It will also support lambdas:
lambda (x, y): x + y -> lambda t: t[0] + t[1]
# The parens are a syntax error in Python 3
lambda (x): x + y -> lambda x: x + y
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/15993>
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