Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/schema_salad/codegen_base.py @ 4:79f47841a781 draft

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"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:47:39 -0400
parents 26e78fe6e8c4
children
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0
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1 """Base class for the generation of loaders from schema-salad definitions."""
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2 import collections
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3 from typing import Any, Dict, List, MutableSequence, Optional, Union
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4
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5 from typing_extensions import Text # pylint: disable=unused-import
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6
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7 from . import schema
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8
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9 # move to a regular typing import when Python 3.3-3.6 is no longer supported
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10
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11
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12 class TypeDef(object): # pylint: disable=too-few-public-methods
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13 """Schema Salad type description."""
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14
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15 __slots__ = [
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16 "name",
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17 "init",
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18 "is_uri",
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19 "scoped_id",
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20 "ref_scope",
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21 "loader_type",
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22 "instance_type",
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23 ]
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24
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25 # switch to class-style typing.NamedTuple once support for Python < 3.6
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26 # is dropped
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27 def __init__(
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28 self, # pylint: disable=too-many-arguments
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29 name, # type: Text
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30 init, # type: Text
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31 is_uri=False, # type: bool
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32 scoped_id=False, # type: bool
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33 ref_scope=0, # type: Optional[int]
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34 loader_type=None, # type: Optional[Text]
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35 instance_type=None, # type: Optional[Text]
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36 ): # type: (...) -> None
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37 self.name = name
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38 self.init = init
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39 self.is_uri = is_uri
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40 self.scoped_id = scoped_id
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41 self.ref_scope = ref_scope
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42 # Follow attributes used by Java but not Python.
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43 self.loader_type = loader_type
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44 self.instance_type = instance_type
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45
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46
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47 class CodeGenBase(object):
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48 """Abstract base class for schema salad code generators."""
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49
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50 def __init__(self): # type: () -> None
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51 self.collected_types = (
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52 collections.OrderedDict()
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53 ) # type: collections.OrderedDict[Text, TypeDef]
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54 self.vocab = {} # type: Dict[Text, Text]
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55
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56 def declare_type(self, declared_type): # type: (TypeDef) -> TypeDef
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57 """Add this type to our collection, if needed."""
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58 if declared_type not in self.collected_types:
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59 self.collected_types[declared_type.name] = declared_type
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60 return declared_type
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61
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62 def add_vocab(self, name, uri): # type: (Text, Text) -> None
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63 """Add the given name as an abbreviation for the given URI."""
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64 self.vocab[name] = uri
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65
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66 def prologue(self): # type: () -> None
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67 """Trigger to generate the prolouge code."""
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68 raise NotImplementedError()
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69
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70 @staticmethod
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71 def safe_name(name): # type: (Text) -> Text
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72 """Generate a safe version of the given name."""
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73 return schema.avro_name(name)
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74
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75 def begin_class(
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76 self, # pylint: disable=too-many-arguments
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77 classname, # type: Text
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78 extends, # type: MutableSequence[Text]
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79 doc, # type: Text
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80 abstract, # type: bool
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81 field_names, # type: MutableSequence[Text]
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82 idfield, # type: Text
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83 ): # type: (...) -> None
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84 """Produce the header for the given class."""
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85 raise NotImplementedError()
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86
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87 def end_class(self, classname, field_names):
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88 # type: (Text, List[Text]) -> None
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89 """Signal that we are done with this class."""
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90 raise NotImplementedError()
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91
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92 def type_loader(self, type_declaration):
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93 # type: (Union[List[Any], Dict[Text, Any]]) -> TypeDef
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94 """Parse the given type declaration and declare its components."""
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95 raise NotImplementedError()
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96
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97 def declare_field(self, name, fieldtype, doc, optional):
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98 # type: (Text, TypeDef, Text, bool) -> None
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99 """Output the code to load the given field."""
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100 raise NotImplementedError()
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101
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102 def declare_id_field(self, name, fieldtype, doc, optional):
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103 # type: (Text, TypeDef, Text, bool) -> None
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104 """Output the code to handle the given ID field."""
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105 raise NotImplementedError()
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106
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107 def uri_loader(self, inner, scoped_id, vocab_term, ref_scope):
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108 # type: (TypeDef, bool, bool, Union[int, None]) -> TypeDef
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109 """Construct the TypeDef for the given URI loader."""
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110 raise NotImplementedError()
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111
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112 def idmap_loader(self, field, inner, map_subject, map_predicate):
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113 # type: (Text, TypeDef, Text, Union[Text, None]) -> TypeDef
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114 """Construct the TypeDef for the given mapped ID loader."""
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115 raise NotImplementedError()
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116
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117 def typedsl_loader(self, inner, ref_scope):
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118 # type: (TypeDef, Union[int, None]) -> TypeDef
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119 """Construct the TypeDef for the given DSL loader."""
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120 raise NotImplementedError()
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121
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122 def epilogue(self, root_loader): # type: (TypeDef) -> None
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123 """Trigger to generate the epilouge code."""
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124 raise NotImplementedError()