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annotate planemo/lib/python3.7/site-packages/libfuturize/fixes/fix_future_builtins.py @ 1:56ad4e20f292 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:32:28 -0400
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1 """
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2 For the ``future`` package.
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3
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4 Adds this import line::
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5
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6 from builtins import XYZ
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7
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8 for each of the functions XYZ that is used in the module.
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9
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10 Adds these imports after any other imports (in an initial block of them).
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11 """
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12
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13 from __future__ import unicode_literals
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14
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15 from lib2to3 import fixer_base
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16 from lib2to3.pygram import python_symbols as syms
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17 from lib2to3.fixer_util import Name, Call, in_special_context
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18
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19 from libfuturize.fixer_util import touch_import_top
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20
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21 # All builtins are:
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22 # from future.builtins.iterators import (filter, map, zip)
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23 # from future.builtins.misc import (ascii, chr, hex, input, isinstance, oct, open, round, super)
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24 # from future.types import (bytes, dict, int, range, str)
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25 # We don't need isinstance any more.
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26
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27 replaced_builtin_fns = '''filter map zip
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28 ascii chr hex input next oct
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29 bytes range str raw_input'''.split()
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30 # This includes raw_input as a workaround for the
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31 # lib2to3 fixer for raw_input on Py3 (only), allowing
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32 # the correct import to be included. (Py3 seems to run
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33 # the fixers the wrong way around, perhaps ignoring the
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34 # run_order class attribute below ...)
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35
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36 expression = '|'.join(["name='{0}'".format(name) for name in replaced_builtin_fns])
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37
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38
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39 class FixFutureBuiltins(fixer_base.BaseFix):
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40 BM_compatible = True
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41 run_order = 7
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42
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43 # Currently we only match uses as a function. This doesn't match e.g.:
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44 # if isinstance(s, str):
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45 # ...
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46 PATTERN = """
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47 power<
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48 ({0}) trailer< '(' [arglist=any] ')' >
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49 rest=any* >
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50 |
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51 power<
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52 'map' trailer< '(' [arglist=any] ')' >
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53 >
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54 """.format(expression)
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55
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56 def transform(self, node, results):
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57 name = results["name"]
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58 touch_import_top(u'builtins', name.value, node)
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59 # name.replace(Name(u"input", prefix=name.prefix))