Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/libpasteurize/fixes/fix_features.py @ 0:26e78fe6e8c4 draft

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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
author shellac
date Sat, 02 May 2020 07:14:21 -0400
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1 u"""
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2 Warn about features that are not present in Python 2.5, giving a message that
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3 points to the earliest version of Python 2.x (or 3.x, if none) that supports it
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4 """
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5
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6 from .feature_base import Feature, Features
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7 from lib2to3 import fixer_base
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8
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9 FEATURES = [
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10 #(FeatureName,
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11 # FeaturePattern,
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12 # FeatureMinVersion,
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13 #),
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14 (u"memoryview",
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15 u"power < 'memoryview' trailer < '(' any* ')' > any* >",
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16 u"2.7",
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17 ),
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18 (u"numbers",
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19 u"""import_from< 'from' 'numbers' 'import' any* > |
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20 import_name< 'import' ('numbers' dotted_as_names< any* 'numbers' any* >) >""",
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21 u"2.6",
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22 ),
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23 (u"abc",
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24 u"""import_name< 'import' ('abc' dotted_as_names< any* 'abc' any* >) > |
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25 import_from< 'from' 'abc' 'import' any* >""",
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26 u"2.6",
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27 ),
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28 (u"io",
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29 u"""import_name< 'import' ('io' dotted_as_names< any* 'io' any* >) > |
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30 import_from< 'from' 'io' 'import' any* >""",
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31 u"2.6",
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32 ),
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33 (u"bin",
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34 u"power< 'bin' trailer< '(' any* ')' > any* >",
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35 u"2.6",
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36 ),
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37 (u"formatting",
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38 u"power< any trailer< '.' 'format' > trailer< '(' any* ')' > >",
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39 u"2.6",
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40 ),
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41 (u"nonlocal",
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42 u"global_stmt< 'nonlocal' any* >",
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43 u"3.0",
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44 ),
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45 (u"with_traceback",
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46 u"trailer< '.' 'with_traceback' >",
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47 u"3.0",
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48 ),
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49 ]
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50
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51 class FixFeatures(fixer_base.BaseFix):
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52
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53 run_order = 9 # Wait until all other fixers have run to check for these
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54
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55 # To avoid spamming, we only want to warn for each feature once.
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56 features_warned = set()
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57
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58 # Build features from the list above
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59 features = Features([Feature(name, pattern, version) for \
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60 name, pattern, version in FEATURES])
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61
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62 PATTERN = features.PATTERN
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63
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64 def match(self, node):
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65 to_ret = super(FixFeatures, self).match(node)
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66 # We want the mapping only to tell us the node's specific information.
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67 try:
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68 del to_ret[u'node']
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69 except Exception:
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70 # We want it to delete the 'node' from the results
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71 # if it's there, so we don't care if it fails for normal reasons.
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72 pass
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73 return to_ret
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74
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75 def transform(self, node, results):
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76 for feature_name in results:
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77 if feature_name in self.features_warned:
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78 continue
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79 else:
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80 curr_feature = self.features[feature_name]
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81 if curr_feature.version >= u"3":
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82 fail = self.cannot_convert
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83 else:
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84 fail = self.warning
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85 fail(node, reason=curr_feature.message_text())
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86 self.features_warned.add(feature_name)