aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/python/ruamel.yaml/py3/ruamel/yaml/error.py
blob: 4843fdb593d0659b88969658967f01d61678d96d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
# coding: utf-8

import warnings
import textwrap

from typing import Any, Dict, Optional, List, Text  # NOQA


__all__ = [
    'FileMark',
    'StringMark',
    'CommentMark',
    'YAMLError',
    'MarkedYAMLError',
    'ReusedAnchorWarning',
    'UnsafeLoaderWarning',
    'MarkedYAMLWarning',
    'MarkedYAMLFutureWarning',
]


class StreamMark:
    __slots__ = 'name', 'index', 'line', 'column'

    def __init__(self, name: Any, index: int, line: int, column: int) -> None:
        self.name = name
        self.index = index
        self.line = line
        self.column = column

    def __str__(self) -> Any:
        where = f'  in "{self.name!s}", line {self.line + 1:d}, column {self.column + 1:d}'
        return where

    def __eq__(self, other: Any) -> bool:
        if self.line != other.line or self.column != other.column:
            return False
        if self.name != other.name or self.index != other.index:
            return False
        return True

    def __ne__(self, other: Any) -> bool:
        return not self.__eq__(other)


class FileMark(StreamMark):
    __slots__ = ()


class StringMark(StreamMark):
    __slots__ = 'name', 'index', 'line', 'column', 'buffer', 'pointer'

    def __init__(
        self, name: Any, index: int, line: int, column: int, buffer: Any, pointer: Any,
    ) -> None:
        StreamMark.__init__(self, name, index, line, column)
        self.buffer = buffer
        self.pointer = pointer

    def get_snippet(self, indent: int = 4, max_length: int = 75) -> Any:
        if self.buffer is None:  # always False
            return None
        head = ""
        start = self.pointer
        while start > 0 and self.buffer[start - 1] not in '\0\r\n\x85\u2028\u2029':
            start -= 1
            if self.pointer - start > max_length / 2 - 1:
                head = ' ... '
                start += 5
                break
        tail = ""
        end = self.pointer
        while end < len(self.buffer) and self.buffer[end] not in '\0\r\n\x85\u2028\u2029':
            end += 1
            if end - self.pointer > max_length / 2 - 1:
                tail = ' ... '
                end -= 5
                break
        snippet = self.buffer[start:end]
        caret = '^'
        caret = f'^ (line: {self.line + 1})'
        return (
            ' ' * indent
            + head
            + snippet
            + tail
            + '\n'
            + ' ' * (indent + self.pointer - start + len(head))
            + caret
        )

    def __str__(self) -> Any:
        snippet = self.get_snippet()
        where = f'  in "{self.name!s}", line {self.line + 1:d}, column {self.column + 1:d}'
        if snippet is not None:
            where += ':\n' + snippet
        return where

    def __repr__(self) -> Any:
        snippet = self.get_snippet()
        where = f'  in "{self.name!s}", line {self.line + 1:d}, column {self.column + 1:d}'
        if snippet is not None:
            where += ':\n' + snippet
        return where


class CommentMark:
    __slots__ = ('column',)

    def __init__(self, column: Any) -> None:
        self.column = column


class YAMLError(Exception):
    pass


class MarkedYAMLError(YAMLError):
    def __init__(
        self,
        context: Any = None,
        context_mark: Any = None,
        problem: Any = None,
        problem_mark: Any = None,
        note: Any = None,
        warn: Any = None,
    ) -> None:
        self.context = context
        self.context_mark = context_mark
        self.problem = problem
        self.problem_mark = problem_mark
        self.note = note
        # warn is ignored

    def __str__(self) -> Any:
        lines: List[str] = []
        if self.context is not None:
            lines.append(self.context)
        if self.context_mark is not None and (
            self.problem is None
            or self.problem_mark is None
            or self.context_mark.name != self.problem_mark.name
            or self.context_mark.line != self.problem_mark.line
            or self.context_mark.column != self.problem_mark.column
        ):
            lines.append(str(self.context_mark))
        if self.problem is not None:
            lines.append(self.problem)
        if self.problem_mark is not None:
            lines.append(str(self.problem_mark))
        if self.note is not None and self.note:
            note = textwrap.dedent(self.note)
            lines.append(note)
        return '\n'.join(lines)


class YAMLStreamError(Exception):
    pass


class YAMLWarning(Warning):
    pass


class MarkedYAMLWarning(YAMLWarning):
    def __init__(
        self,
        context: Any = None,
        context_mark: Any = None,
        problem: Any = None,
        problem_mark: Any = None,
        note: Any = None,
        warn: Any = None,
    ) -> None:
        self.context = context
        self.context_mark = context_mark
        self.problem = problem
        self.problem_mark = problem_mark
        self.note = note
        self.warn = warn

    def __str__(self) -> Any:
        lines: List[str] = []
        if self.context is not None:
            lines.append(self.context)
        if self.context_mark is not None and (
            self.problem is None
            or self.problem_mark is None
            or self.context_mark.name != self.problem_mark.name
            or self.context_mark.line != self.problem_mark.line
            or self.context_mark.column != self.problem_mark.column
        ):
            lines.append(str(self.context_mark))
        if self.problem is not None:
            lines.append(self.problem)
        if self.problem_mark is not None:
            lines.append(str(self.problem_mark))
        if self.note is not None and self.note:
            note = textwrap.dedent(self.note)
            lines.append(note)
        if self.warn is not None and self.warn:
            warn = textwrap.dedent(self.warn)
            lines.append(warn)
        return '\n'.join(lines)


class ReusedAnchorWarning(YAMLWarning):
    pass


class UnsafeLoaderWarning(YAMLWarning):
    text = """
The default 'Loader' for 'load(stream)' without further arguments can be unsafe.
Use 'load(stream, Loader=ruamel.yaml.Loader)' explicitly if that is OK.
Alternatively include the following in your code:

  import warnings
  warnings.simplefilter('ignore', ruamel.yaml.error.UnsafeLoaderWarning)

In most other cases you should consider using 'safe_load(stream)'"""
    pass


warnings.simplefilter('once', UnsafeLoaderWarning)


class MantissaNoDotYAML1_1Warning(YAMLWarning):
    def __init__(self, node: Any, flt_str: Any) -> None:
        self.node = node
        self.flt = flt_str

    def __str__(self) -> Any:
        line = self.node.start_mark.line
        col = self.node.start_mark.column
        return f"""
In YAML 1.1 floating point values should have a dot ('.') in their mantissa.
See the Floating-Point Language-Independent Type for YAML™ Version 1.1 specification
( http://yaml.org/type/float.html ). This dot is not required for JSON nor for YAML 1.2

Correct your float: "{self.flt}" on line: {line}, column: {col}

or alternatively include the following in your code:

  import warnings
  warnings.simplefilter('ignore', ruamel.yaml.error.MantissaNoDotYAML1_1Warning)

"""


warnings.simplefilter('once', MantissaNoDotYAML1_1Warning)


class YAMLFutureWarning(Warning):
    pass


class MarkedYAMLFutureWarning(YAMLFutureWarning):
    def __init__(
        self,
        context: Any = None,
        context_mark: Any = None,
        problem: Any = None,
        problem_mark: Any = None,
        note: Any = None,
        warn: Any = None,
    ) -> None:
        self.context = context
        self.context_mark = context_mark
        self.problem = problem
        self.problem_mark = problem_mark
        self.note = note
        self.warn = warn

    def __str__(self) -> Any:
        lines: List[str] = []
        if self.context is not None:
            lines.append(self.context)

        if self.context_mark is not None and (
            self.problem is None
            or self.problem_mark is None
            or self.context_mark.name != self.problem_mark.name
            or self.context_mark.line != self.problem_mark.line
            or self.context_mark.column != self.problem_mark.column
        ):
            lines.append(str(self.context_mark))
        if self.problem is not None:
            lines.append(self.problem)
        if self.problem_mark is not None:
            lines.append(str(self.problem_mark))
        if self.note is not None and self.note:
            note = textwrap.dedent(self.note)
            lines.append(note)
        if self.warn is not None and self.warn:
            warn = textwrap.dedent(self.warn)
            lines.append(warn)
        return '\n'.join(lines)