Mercurial > repos > shellac > sam_consensus_v3

annotate env/lib/python3.9/site-packages/virtualenv/config/convert.py @ 0:4f3585e2f14b draft default tip

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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author shellac
date Mon, 22 Mar 2021 18:12:50 +0000
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Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 from __future__ import absolute_import, unicode_literals
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2
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3 import logging
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4 import os
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5
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6
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7 class TypeData(object):
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8 def __init__(self, default_type, as_type):
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9 self.default_type = default_type
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10 self.as_type = as_type
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11
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12 def __repr__(self):
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13 return "{}(base={}, as={})".format(self.__class__.__name__, self.default_type, self.as_type)
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14
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15 def convert(self, value):
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16 return self.default_type(value)
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17
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18
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19 class BoolType(TypeData):
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20 BOOLEAN_STATES = {
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21 "1": True,
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22 "yes": True,
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23 "true": True,
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24 "on": True,
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25 "0": False,
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26 "no": False,
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27 "false": False,
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28 "off": False,
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29 }
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30
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31 def convert(self, value):
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32 if value.lower() not in self.BOOLEAN_STATES:
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33 raise ValueError("Not a boolean: %s" % value)
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34 return self.BOOLEAN_STATES[value.lower()]
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35
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36
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37 class NoneType(TypeData):
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38 def convert(self, value):
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39 if not value:
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40 return None
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41 return str(value)
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42
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43
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44 class ListType(TypeData):
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45 def _validate(self):
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46 """"""
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47
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48 def convert(self, value, flatten=True):
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49 values = self.split_values(value)
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50 result = []
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51 for value in values:
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52 sub_values = value.split(os.pathsep)
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53 result.extend(sub_values)
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54 converted = [self.as_type(i) for i in result]
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55 return converted
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56
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57 def split_values(self, value):
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58 """Split the provided value into a list.
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59
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60 First this is done by newlines. If there were no newlines in the text,
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61 then we next try to split by comma.
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62 """
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63 if isinstance(value, (str, bytes)):
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64 # Use `splitlines` rather than a custom check for whether there is
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65 # more than one line. This ensures that the full `splitlines()`
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66 # logic is supported here.
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67 values = value.splitlines()
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68 if len(values) <= 1:
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69 values = value.split(",")
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70 values = filter(None, [x.strip() for x in values])
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71 else:
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72 values = list(value)
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73
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74 return values
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75
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76
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77 def convert(value, as_type, source):
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78 """Convert the value as a given type where the value comes from the given source"""
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79 try:
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80 return as_type.convert(value)
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81 except Exception as exception:
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82 logging.warning("%s failed to convert %r as %r because %r", source, value, as_type, exception)
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83 raise
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84
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85
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86 _CONVERT = {bool: BoolType, type(None): NoneType, list: ListType}
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87
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88
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89 def get_type(action):
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90 default_type = type(action.default)
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91 as_type = default_type if action.type is None else action.type
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92 return _CONVERT.get(default_type, TypeData)(default_type, as_type)
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93
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94
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95 __all__ = (
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96 "convert",
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97 "get_type",
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98 )