Show More
@@ -1,480 +1,480 b'' | |||
|
1 | 1 | # error.py - Mercurial exceptions |
|
2 | 2 | # |
|
3 | 3 | # Copyright 2005-2008 Matt Mackall <mpm@selenic.com> |
|
4 | 4 | # |
|
5 | 5 | # This software may be used and distributed according to the terms of the |
|
6 | 6 | # GNU General Public License version 2 or any later version. |
|
7 | 7 | |
|
8 | 8 | """Mercurial exceptions. |
|
9 | 9 | |
|
10 | 10 | This allows us to catch exceptions at higher levels without forcing |
|
11 | 11 | imports. |
|
12 | 12 | """ |
|
13 | 13 | |
|
14 | 14 | from __future__ import absolute_import |
|
15 | 15 | |
|
16 | 16 | # Do not import anything but pycompat here, please |
|
17 | 17 | from . import pycompat |
|
18 | 18 | |
|
19 | 19 | |
|
20 | 20 | def _tobytes(exc): |
|
21 | 21 | """Byte-stringify exception in the same way as BaseException_str()""" |
|
22 | 22 | if not exc.args: |
|
23 | 23 | return b'' |
|
24 | 24 | if len(exc.args) == 1: |
|
25 | 25 | return pycompat.bytestr(exc.args[0]) |
|
26 | 26 | return b'(%s)' % b', '.join(b"'%s'" % pycompat.bytestr(a) for a in exc.args) |
|
27 | 27 | |
|
28 | 28 | |
|
29 | 29 | class Hint(object): |
|
30 | 30 | """Mix-in to provide a hint of an error |
|
31 | 31 | |
|
32 | 32 | This should come first in the inheritance list to consume a hint and |
|
33 | 33 | pass remaining arguments to the exception class. |
|
34 | 34 | """ |
|
35 | 35 | |
|
36 | 36 | def __init__(self, *args, **kw): |
|
37 | 37 | self.hint = kw.pop('hint', None) |
|
38 | 38 | super(Hint, self).__init__(*args, **kw) |
|
39 | 39 | |
|
40 | 40 | |
|
41 | 41 | class StorageError(Hint, Exception): |
|
42 | 42 | """Raised when an error occurs in a storage layer. |
|
43 | 43 | |
|
44 | 44 | Usually subclassed by a storage-specific exception. |
|
45 | 45 | """ |
|
46 | 46 | |
|
47 | 47 | __bytes__ = _tobytes |
|
48 | 48 | |
|
49 | 49 | |
|
50 | 50 | class RevlogError(StorageError): |
|
51 | __bytes__ = _tobytes | |
|
51 | pass | |
|
52 | 52 | |
|
53 | 53 | |
|
54 | 54 | class SidedataHashError(RevlogError): |
|
55 | 55 | def __init__(self, key, expected, got): |
|
56 | 56 | self.sidedatakey = key |
|
57 | 57 | self.expecteddigest = expected |
|
58 | 58 | self.actualdigest = got |
|
59 | 59 | |
|
60 | 60 | |
|
61 | 61 | class FilteredIndexError(IndexError): |
|
62 | 62 | __bytes__ = _tobytes |
|
63 | 63 | |
|
64 | 64 | |
|
65 | 65 | class LookupError(RevlogError, KeyError): |
|
66 | 66 | def __init__(self, name, index, message): |
|
67 | 67 | self.name = name |
|
68 | 68 | self.index = index |
|
69 | 69 | # this can't be called 'message' because at least some installs of |
|
70 | 70 | # Python 2.6+ complain about the 'message' property being deprecated |
|
71 | 71 | self.lookupmessage = message |
|
72 | 72 | if isinstance(name, bytes) and len(name) == 20: |
|
73 | 73 | from .node import short |
|
74 | 74 | |
|
75 | 75 | name = short(name) |
|
76 | 76 | # if name is a binary node, it can be None |
|
77 | 77 | RevlogError.__init__( |
|
78 | 78 | self, b'%s@%s: %s' % (index, pycompat.bytestr(name), message) |
|
79 | 79 | ) |
|
80 | 80 | |
|
81 | 81 | def __bytes__(self): |
|
82 | 82 | return RevlogError.__bytes__(self) |
|
83 | 83 | |
|
84 | 84 | def __str__(self): |
|
85 | 85 | return RevlogError.__str__(self) |
|
86 | 86 | |
|
87 | 87 | |
|
88 | 88 | class AmbiguousPrefixLookupError(LookupError): |
|
89 | 89 | pass |
|
90 | 90 | |
|
91 | 91 | |
|
92 | 92 | class FilteredLookupError(LookupError): |
|
93 | 93 | pass |
|
94 | 94 | |
|
95 | 95 | |
|
96 | 96 | class ManifestLookupError(LookupError): |
|
97 | 97 | pass |
|
98 | 98 | |
|
99 | 99 | |
|
100 | 100 | class CommandError(Exception): |
|
101 | 101 | """Exception raised on errors in parsing the command line.""" |
|
102 | 102 | |
|
103 | 103 | def __init__(self, command, message): |
|
104 | 104 | self.command = command |
|
105 | 105 | self.message = message |
|
106 | 106 | super(CommandError, self).__init__() |
|
107 | 107 | |
|
108 | 108 | __bytes__ = _tobytes |
|
109 | 109 | |
|
110 | 110 | |
|
111 | 111 | class UnknownCommand(Exception): |
|
112 | 112 | """Exception raised if command is not in the command table.""" |
|
113 | 113 | |
|
114 | 114 | def __init__(self, command, all_commands=None): |
|
115 | 115 | self.command = command |
|
116 | 116 | self.all_commands = all_commands |
|
117 | 117 | super(UnknownCommand, self).__init__() |
|
118 | 118 | |
|
119 | 119 | __bytes__ = _tobytes |
|
120 | 120 | |
|
121 | 121 | |
|
122 | 122 | class AmbiguousCommand(Exception): |
|
123 | 123 | """Exception raised if command shortcut matches more than one command.""" |
|
124 | 124 | |
|
125 | 125 | def __init__(self, prefix, matches): |
|
126 | 126 | self.prefix = prefix |
|
127 | 127 | self.matches = matches |
|
128 | 128 | super(AmbiguousCommand, self).__init__() |
|
129 | 129 | |
|
130 | 130 | __bytes__ = _tobytes |
|
131 | 131 | |
|
132 | 132 | |
|
133 | 133 | class InterventionRequired(Hint, Exception): |
|
134 | 134 | """Exception raised when a command requires human intervention.""" |
|
135 | 135 | |
|
136 | 136 | __bytes__ = _tobytes |
|
137 | 137 | |
|
138 | 138 | |
|
139 | 139 | class ConflictResolutionRequired(InterventionRequired): |
|
140 | 140 | """Exception raised when a continuable command required merge conflict resolution.""" |
|
141 | 141 | |
|
142 | 142 | def __init__(self, opname): |
|
143 | 143 | from .i18n import _ |
|
144 | 144 | |
|
145 | 145 | self.opname = opname |
|
146 | 146 | InterventionRequired.__init__( |
|
147 | 147 | self, |
|
148 | 148 | _( |
|
149 | 149 | b"unresolved conflicts (see 'hg resolve', then 'hg %s --continue')" |
|
150 | 150 | ) |
|
151 | 151 | % opname, |
|
152 | 152 | ) |
|
153 | 153 | |
|
154 | 154 | |
|
155 | 155 | class Abort(Hint, Exception): |
|
156 | 156 | """Raised if a command needs to print an error and exit.""" |
|
157 | 157 | |
|
158 | 158 | def __init__(self, message, hint=None): |
|
159 | 159 | self.message = message |
|
160 | 160 | self.hint = hint |
|
161 | 161 | # Pass the message into the Exception constructor to help extensions |
|
162 | 162 | # that look for exc.args[0]. |
|
163 | 163 | Exception.__init__(self, message) |
|
164 | 164 | |
|
165 | 165 | def __bytes__(self): |
|
166 | 166 | return self.message |
|
167 | 167 | |
|
168 | 168 | if pycompat.ispy3: |
|
169 | 169 | |
|
170 | 170 | def __str__(self): |
|
171 | 171 | # the output would be unreadable if the message was translated, |
|
172 | 172 | # but do not replace it with encoding.strfromlocal(), which |
|
173 | 173 | # may raise another exception. |
|
174 | 174 | return pycompat.sysstr(self.__bytes__()) |
|
175 | 175 | |
|
176 | 176 | |
|
177 | 177 | class HookLoadError(Abort): |
|
178 | 178 | """raised when loading a hook fails, aborting an operation |
|
179 | 179 | |
|
180 | 180 | Exists to allow more specialized catching.""" |
|
181 | 181 | |
|
182 | 182 | |
|
183 | 183 | class HookAbort(Abort): |
|
184 | 184 | """raised when a validation hook fails, aborting an operation |
|
185 | 185 | |
|
186 | 186 | Exists to allow more specialized catching.""" |
|
187 | 187 | |
|
188 | 188 | |
|
189 | 189 | class ConfigError(Abort): |
|
190 | 190 | """Exception raised when parsing config files""" |
|
191 | 191 | |
|
192 | 192 | |
|
193 | 193 | class UpdateAbort(Abort): |
|
194 | 194 | """Raised when an update is aborted for destination issue""" |
|
195 | 195 | |
|
196 | 196 | |
|
197 | 197 | class MergeDestAbort(Abort): |
|
198 | 198 | """Raised when an update is aborted for destination issues""" |
|
199 | 199 | |
|
200 | 200 | |
|
201 | 201 | class NoMergeDestAbort(MergeDestAbort): |
|
202 | 202 | """Raised when an update is aborted because there is nothing to merge""" |
|
203 | 203 | |
|
204 | 204 | |
|
205 | 205 | class ManyMergeDestAbort(MergeDestAbort): |
|
206 | 206 | """Raised when an update is aborted because destination is ambiguous""" |
|
207 | 207 | |
|
208 | 208 | |
|
209 | 209 | class ResponseExpected(Abort): |
|
210 | 210 | """Raised when an EOF is received for a prompt""" |
|
211 | 211 | |
|
212 | 212 | def __init__(self): |
|
213 | 213 | from .i18n import _ |
|
214 | 214 | |
|
215 | 215 | Abort.__init__(self, _(b'response expected')) |
|
216 | 216 | |
|
217 | 217 | |
|
218 | 218 | class OutOfBandError(Hint, Exception): |
|
219 | 219 | """Exception raised when a remote repo reports failure""" |
|
220 | 220 | |
|
221 | 221 | __bytes__ = _tobytes |
|
222 | 222 | |
|
223 | 223 | |
|
224 | 224 | class ParseError(Hint, Exception): |
|
225 | 225 | """Raised when parsing config files and {rev,file}sets (msg[, pos])""" |
|
226 | 226 | |
|
227 | 227 | __bytes__ = _tobytes |
|
228 | 228 | |
|
229 | 229 | |
|
230 | 230 | class PatchError(Exception): |
|
231 | 231 | __bytes__ = _tobytes |
|
232 | 232 | |
|
233 | 233 | |
|
234 | 234 | class UnknownIdentifier(ParseError): |
|
235 | 235 | """Exception raised when a {rev,file}set references an unknown identifier""" |
|
236 | 236 | |
|
237 | 237 | def __init__(self, function, symbols): |
|
238 | 238 | from .i18n import _ |
|
239 | 239 | |
|
240 | 240 | ParseError.__init__(self, _(b"unknown identifier: %s") % function) |
|
241 | 241 | self.function = function |
|
242 | 242 | self.symbols = symbols |
|
243 | 243 | |
|
244 | 244 | |
|
245 | 245 | class RepoError(Hint, Exception): |
|
246 | 246 | __bytes__ = _tobytes |
|
247 | 247 | |
|
248 | 248 | |
|
249 | 249 | class RepoLookupError(RepoError): |
|
250 | 250 | pass |
|
251 | 251 | |
|
252 | 252 | |
|
253 | 253 | class FilteredRepoLookupError(RepoLookupError): |
|
254 | 254 | pass |
|
255 | 255 | |
|
256 | 256 | |
|
257 | 257 | class CapabilityError(RepoError): |
|
258 | 258 | pass |
|
259 | 259 | |
|
260 | 260 | |
|
261 | 261 | class RequirementError(RepoError): |
|
262 | 262 | """Exception raised if .hg/requires has an unknown entry.""" |
|
263 | 263 | |
|
264 | 264 | |
|
265 | 265 | class StdioError(IOError): |
|
266 | 266 | """Raised if I/O to stdout or stderr fails""" |
|
267 | 267 | |
|
268 | 268 | def __init__(self, err): |
|
269 | 269 | IOError.__init__(self, err.errno, err.strerror) |
|
270 | 270 | |
|
271 | 271 | # no __bytes__() because error message is derived from the standard IOError |
|
272 | 272 | |
|
273 | 273 | |
|
274 | 274 | class UnsupportedMergeRecords(Abort): |
|
275 | 275 | def __init__(self, recordtypes): |
|
276 | 276 | from .i18n import _ |
|
277 | 277 | |
|
278 | 278 | self.recordtypes = sorted(recordtypes) |
|
279 | 279 | s = b' '.join(self.recordtypes) |
|
280 | 280 | Abort.__init__( |
|
281 | 281 | self, |
|
282 | 282 | _(b'unsupported merge state records: %s') % s, |
|
283 | 283 | hint=_( |
|
284 | 284 | b'see https://mercurial-scm.org/wiki/MergeStateRecords for ' |
|
285 | 285 | b'more information' |
|
286 | 286 | ), |
|
287 | 287 | ) |
|
288 | 288 | |
|
289 | 289 | |
|
290 | 290 | class UnknownVersion(Abort): |
|
291 | 291 | """generic exception for aborting from an encounter with an unknown version |
|
292 | 292 | """ |
|
293 | 293 | |
|
294 | 294 | def __init__(self, msg, hint=None, version=None): |
|
295 | 295 | self.version = version |
|
296 | 296 | super(UnknownVersion, self).__init__(msg, hint=hint) |
|
297 | 297 | |
|
298 | 298 | |
|
299 | 299 | class LockError(IOError): |
|
300 | 300 | def __init__(self, errno, strerror, filename, desc): |
|
301 | 301 | IOError.__init__(self, errno, strerror, filename) |
|
302 | 302 | self.desc = desc |
|
303 | 303 | |
|
304 | 304 | # no __bytes__() because error message is derived from the standard IOError |
|
305 | 305 | |
|
306 | 306 | |
|
307 | 307 | class LockHeld(LockError): |
|
308 | 308 | def __init__(self, errno, filename, desc, locker): |
|
309 | 309 | LockError.__init__(self, errno, b'Lock held', filename, desc) |
|
310 | 310 | self.locker = locker |
|
311 | 311 | |
|
312 | 312 | |
|
313 | 313 | class LockUnavailable(LockError): |
|
314 | 314 | pass |
|
315 | 315 | |
|
316 | 316 | |
|
317 | 317 | # LockError is for errors while acquiring the lock -- this is unrelated |
|
318 | 318 | class LockInheritanceContractViolation(RuntimeError): |
|
319 | 319 | __bytes__ = _tobytes |
|
320 | 320 | |
|
321 | 321 | |
|
322 | 322 | class ResponseError(Exception): |
|
323 | 323 | """Raised to print an error with part of output and exit.""" |
|
324 | 324 | |
|
325 | 325 | __bytes__ = _tobytes |
|
326 | 326 | |
|
327 | 327 | |
|
328 | 328 | # derived from KeyboardInterrupt to simplify some breakout code |
|
329 | 329 | class SignalInterrupt(KeyboardInterrupt): |
|
330 | 330 | """Exception raised on SIGTERM and SIGHUP.""" |
|
331 | 331 | |
|
332 | 332 | |
|
333 | 333 | class SignatureError(Exception): |
|
334 | 334 | __bytes__ = _tobytes |
|
335 | 335 | |
|
336 | 336 | |
|
337 | 337 | class PushRaced(RuntimeError): |
|
338 | 338 | """An exception raised during unbundling that indicate a push race""" |
|
339 | 339 | |
|
340 | 340 | __bytes__ = _tobytes |
|
341 | 341 | |
|
342 | 342 | |
|
343 | 343 | class ProgrammingError(Hint, RuntimeError): |
|
344 | 344 | """Raised if a mercurial (core or extension) developer made a mistake""" |
|
345 | 345 | |
|
346 | 346 | def __init__(self, msg, *args, **kwargs): |
|
347 | 347 | # On Python 3, turn the message back into a string since this is |
|
348 | 348 | # an internal-only error that won't be printed except in a |
|
349 | 349 | # stack traces. |
|
350 | 350 | msg = pycompat.sysstr(msg) |
|
351 | 351 | super(ProgrammingError, self).__init__(msg, *args, **kwargs) |
|
352 | 352 | |
|
353 | 353 | __bytes__ = _tobytes |
|
354 | 354 | |
|
355 | 355 | |
|
356 | 356 | class WdirUnsupported(Exception): |
|
357 | 357 | """An exception which is raised when 'wdir()' is not supported""" |
|
358 | 358 | |
|
359 | 359 | __bytes__ = _tobytes |
|
360 | 360 | |
|
361 | 361 | |
|
362 | 362 | # bundle2 related errors |
|
363 | 363 | class BundleValueError(ValueError): |
|
364 | 364 | """error raised when bundle2 cannot be processed""" |
|
365 | 365 | |
|
366 | 366 | __bytes__ = _tobytes |
|
367 | 367 | |
|
368 | 368 | |
|
369 | 369 | class BundleUnknownFeatureError(BundleValueError): |
|
370 | 370 | def __init__(self, parttype=None, params=(), values=()): |
|
371 | 371 | self.parttype = parttype |
|
372 | 372 | self.params = params |
|
373 | 373 | self.values = values |
|
374 | 374 | if self.parttype is None: |
|
375 | 375 | msg = b'Stream Parameter' |
|
376 | 376 | else: |
|
377 | 377 | msg = parttype |
|
378 | 378 | entries = self.params |
|
379 | 379 | if self.params and self.values: |
|
380 | 380 | assert len(self.params) == len(self.values) |
|
381 | 381 | entries = [] |
|
382 | 382 | for idx, par in enumerate(self.params): |
|
383 | 383 | val = self.values[idx] |
|
384 | 384 | if val is None: |
|
385 | 385 | entries.append(val) |
|
386 | 386 | else: |
|
387 | 387 | entries.append(b"%s=%r" % (par, pycompat.maybebytestr(val))) |
|
388 | 388 | if entries: |
|
389 | 389 | msg = b'%s - %s' % (msg, b', '.join(entries)) |
|
390 | 390 | ValueError.__init__(self, msg) |
|
391 | 391 | |
|
392 | 392 | |
|
393 | 393 | class ReadOnlyPartError(RuntimeError): |
|
394 | 394 | """error raised when code tries to alter a part being generated""" |
|
395 | 395 | |
|
396 | 396 | __bytes__ = _tobytes |
|
397 | 397 | |
|
398 | 398 | |
|
399 | 399 | class PushkeyFailed(Abort): |
|
400 | 400 | """error raised when a pushkey part failed to update a value""" |
|
401 | 401 | |
|
402 | 402 | def __init__( |
|
403 | 403 | self, partid, namespace=None, key=None, new=None, old=None, ret=None |
|
404 | 404 | ): |
|
405 | 405 | self.partid = partid |
|
406 | 406 | self.namespace = namespace |
|
407 | 407 | self.key = key |
|
408 | 408 | self.new = new |
|
409 | 409 | self.old = old |
|
410 | 410 | self.ret = ret |
|
411 | 411 | # no i18n expected to be processed into a better message |
|
412 | 412 | Abort.__init__( |
|
413 | 413 | self, b'failed to update value for "%s/%s"' % (namespace, key) |
|
414 | 414 | ) |
|
415 | 415 | |
|
416 | 416 | |
|
417 | 417 | class CensoredNodeError(StorageError): |
|
418 | 418 | """error raised when content verification fails on a censored node |
|
419 | 419 | |
|
420 | 420 | Also contains the tombstone data substituted for the uncensored data. |
|
421 | 421 | """ |
|
422 | 422 | |
|
423 | 423 | def __init__(self, filename, node, tombstone): |
|
424 | 424 | from .node import short |
|
425 | 425 | |
|
426 | 426 | StorageError.__init__(self, b'%s:%s' % (filename, short(node))) |
|
427 | 427 | self.tombstone = tombstone |
|
428 | 428 | |
|
429 | 429 | |
|
430 | 430 | class CensoredBaseError(StorageError): |
|
431 | 431 | """error raised when a delta is rejected because its base is censored |
|
432 | 432 | |
|
433 | 433 | A delta based on a censored revision must be formed as single patch |
|
434 | 434 | operation which replaces the entire base with new content. This ensures |
|
435 | 435 | the delta may be applied by clones which have not censored the base. |
|
436 | 436 | """ |
|
437 | 437 | |
|
438 | 438 | |
|
439 | 439 | class InvalidBundleSpecification(Exception): |
|
440 | 440 | """error raised when a bundle specification is invalid. |
|
441 | 441 | |
|
442 | 442 | This is used for syntax errors as opposed to support errors. |
|
443 | 443 | """ |
|
444 | 444 | |
|
445 | 445 | __bytes__ = _tobytes |
|
446 | 446 | |
|
447 | 447 | |
|
448 | 448 | class UnsupportedBundleSpecification(Exception): |
|
449 | 449 | """error raised when a bundle specification is not supported.""" |
|
450 | 450 | |
|
451 | 451 | __bytes__ = _tobytes |
|
452 | 452 | |
|
453 | 453 | |
|
454 | 454 | class CorruptedState(Exception): |
|
455 | 455 | """error raised when a command is not able to read its state from file""" |
|
456 | 456 | |
|
457 | 457 | __bytes__ = _tobytes |
|
458 | 458 | |
|
459 | 459 | |
|
460 | 460 | class PeerTransportError(Abort): |
|
461 | 461 | """Transport-level I/O error when communicating with a peer repo.""" |
|
462 | 462 | |
|
463 | 463 | |
|
464 | 464 | class InMemoryMergeConflictsError(Exception): |
|
465 | 465 | """Exception raised when merge conflicts arose during an in-memory merge.""" |
|
466 | 466 | |
|
467 | 467 | __bytes__ = _tobytes |
|
468 | 468 | |
|
469 | 469 | |
|
470 | 470 | class WireprotoCommandError(Exception): |
|
471 | 471 | """Represents an error during execution of a wire protocol command. |
|
472 | 472 | |
|
473 | 473 | Should only be thrown by wire protocol version 2 commands. |
|
474 | 474 | |
|
475 | 475 | The error is a formatter string and an optional iterable of arguments. |
|
476 | 476 | """ |
|
477 | 477 | |
|
478 | 478 | def __init__(self, message, args=None): |
|
479 | 479 | self.message = message |
|
480 | 480 | self.messageargs = args |
General Comments 0
You need to be logged in to leave comments.
Login now