tests/data/preview/long_strings__regression.py

   1 class A:
   2     def foo():
   3         result = type(message)("")
   4
   5
   6 # Don't merge multiline (e.g. triple-quoted) strings.
   7 def foo():
   8     query = (
   9         """SELECT xxxxxxxxxxxxxxxxxxxx(xxx)"""
  10         """ FROM xxxxxxxxxxxxxxxx WHERE xxxxxxxxxx AND xxx <> xxxxxxxxxxxxxx()""")
  11
  12 # There was a bug where tuples were being identified as long strings.
  13 long_tuple = ('Apple', 'Berry', 'Cherry', 'Dill', 'Evergreen', 'Fig',
  14            'Grape', 'Harry', 'Iglu', 'Jaguar')
  15
  16 stupid_format_method_bug = "Some really long string that just so happens to be the {} {} to force the 'format' method to hang over the line length boundary. This is pretty annoying.".format("perfect", "length")
  17
  18 class A:
  19     def foo():
  20         os.system("This is a regression test. xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxxx.".format("xxxxxxxxxx", "xxxxxx", "xxxxxxxxxx"))
  21
  22
  23 class A:
  24     def foo():
  25         XXXXXXXXXXXX.append(
  26             (
  27                 "xxx_xxxxxxxxxx(xxxxx={}, xxxx={}, xxxxx, xxxx_xxxx_xxxxxxxxxx={})".format(
  28                     xxxxx, xxxx, xxxx_xxxx_xxxxxxxxxx
  29                 ),
  30                 my_var,
  31                 my_other_var,
  32             )
  33         )
  34
  35 class A:
  36     class B:
  37         def foo():
  38             bar(
  39                 (
  40                     "[{}]: xxx_xxxxxxxxxx(xxxxx={}, xxxx={}, xxxxx={}"
  41                     " xxxx_xxxx_xxxxxxxxxx={}, xxxx={})"
  42                     .format(xxxx._xxxxxxxxxxxxxx, xxxxx, xxxx, xxxx_xxxx_xxxxxxxxxx, xxxxxxx)
  43                 ),
  44                 varX,
  45                 varY,
  46                 varZ,
  47             )
  48
  49 def foo(xxxx):
  50     for (xxx_xxxx, _xxx_xxx, _xxx_xxxxx, xxx_xxxx) in xxxx:
  51         for xxx in xxx_xxxx:
  52             assert ("x" in xxx) or (
  53                 xxx in xxx_xxx_xxxxx
  54             ), "{0} xxxxxxx xx {1}, xxx {1} xx xxx xx xxxx xx xxx xxxx: xxx xxxx {2}".format(
  55                 xxx_xxxx, xxx, xxxxxx.xxxxxxx(xxx_xxx_xxxxx)
  56             )
  57
  58 class A:
  59     def disappearing_comment():
  60         return (
  61             (  # xx -x xxxxxxx xx xxx xxxxxxx.
  62                 '{{xxx_xxxxxxxxxx_xxxxxxxx}} xxx xxxx'
  63                 ' {} {{xxxx}} >&2'
  64                 .format(
  65                     "{xxxx} {xxxxxx}"
  66                     if xxxxx.xx_xxxxxxxxxx
  67                     else ( # Disappearing Comment
  68                         "--xxxxxxx --xxxxxx=x --xxxxxx-xxxxx=xxxxxx"
  69                         " --xxxxxx-xxxx=xxxxxxxxxxx.xxx"
  70                     )
  71                 )
  72             ),
  73             (x, y, z),
  74         )
  75
  76 class A:
  77     class B:
  78         def foo():
  79             xxxxx_xxxx(
  80                 xx, "\t"
  81                 "@xxxxxx '{xxxx_xxx}\t' > {xxxxxx_xxxx}.xxxxxxx;"
  82                 "{xxxx_xxx} >> {xxxxxx_xxxx}.xxxxxxx 2>&1; xx=$$?;"
  83                 "xxxx $$xx"
  84                 .format(xxxx_xxx=xxxx_xxxxxxx, xxxxxx_xxxx=xxxxxxx + "/" + xxxx_xxx_xxxx, x=xxx_xxxxx_xxxxx_xxx),
  85                 x,
  86                 y,
  87                 z,
  88             )
  89
  90 func_call_where_string_arg_has_method_call_and_bad_parens(
  91     (
  92         "A long string with {}. This string is so long that it is ridiculous. It can't fit on one line at alllll.".format("formatting")
  93     ),
  94 )
  95
  96 func_call_where_string_arg_has_old_fmt_and_bad_parens(
  97     (
  98         "A long string with {}. This string is so long that it is ridiculous. It can't fit on one line at alllll." % "formatting"
  99     ),
 100 )
 101
 102 func_call_where_string_arg_has_old_fmt_and_bad_parens(
 103     (
 104         "A long string with {}. This {} is so long that it is ridiculous. It can't fit on one line at alllll." % ("formatting", "string")
 105     ),
 106 )
 107
 108 class A:
 109     def append(self):
 110         if True:
 111             xxxx.xxxxxxx.xxxxx( ('xxxxxxxxxx xxxx xx xxxxxx(%x) xx %x xxxx xx xxx %x.xx'
 112                                  % (len(self) + 1,
 113                                     xxxx.xxxxxxxxxx,
 114                                     xxxx.xxxxxxxxxx))
 115                                 + (' %.3f (%s) to %.3f (%s).\n'
 116                                    % (xxxx.xxxxxxxxx,
 117                                       xxxx.xxxxxxxxxxxxxx(xxxx.xxxxxxxxx),
 118                                       x,
 119                                       xxxx.xxxxxxxxxxxxxx( xx)
 120                                       )))
 121
 122 class A:
 123     def foo():
 124         some_func_call(
 125             'xxxxxxxxxx',
 126             (
 127                 "xx {xxxxxxxxxxx}/xxxxxxxxxxx.xxx xxxx.xxx && xxxxxx -x "
 128                 "\"xxxx xxxxxxx xxxxxx xxxx; xxxx xxxxxx_xxxxx xxxxxx xxxx; "
 129                 "xxxx.xxxx_xxxxxx(['xxxx.xxx'], xxxx.xxxxxxx().xxxxxxxxxx)\" "
 130             ),
 131             None,
 132             ('xxxxxxxxxxx',),
 133         ),
 134
 135 class A:
 136     def foo():
 137         some_func_call(
 138             (
 139                 "xx {xxxxxxxxxxx}/xxxxxxxxxxx.xxx xxxx.xxx && xxxxxx -x "
 140                 "xxxx, ('xxxxxxx xxxxxx xxxx, xxxx') xxxxxx_xxxxx xxxxxx xxxx; "
 141                 "xxxx.xxxx_xxxxxx(['xxxx.xxx'], xxxx.xxxxxxx().xxxxxxxxxx)\" "
 142             ),
 143             None,
 144             ('xxxxxxxxxxx',),
 145         ),
 146
 147 xxxxxxx = { 'xx' : 'xxxx xxxxxxx xxxxxxxxx -x xxx -x /xxx/{0} -x xxx,xxx -xx {1} \
 148 -xx {1} -xx xxx=xxx_xxxx,xxx_xx,xxx_xxx,xxx_xxxx,xxx_xx,xxx_xxx |\
 149  xxxxxx -x xxxxxxxx -x xxxxxxxx -x',
 150          'xx' : 'xxxx xxxxxxx xxxxxxxxx -x xxx -x /xxx/{0} -x xxx,xxx -xx {1} \
 151 -xx {1} -xx xxx=xxx_xxxx_xxx_xxxx,xxx_xx_xxx_xxxx,xxx_xxxx_xxx_xxxx,\
 152 xxx_xx_xxxx_xxxx,xxx_xxx_xxxx,xxx_xxx_xxxx xxxx=xxx | xxxxxx -x xxxxxxxx -x xxxxxxxx -x'
 153 }
 154
 155 class A:
 156     def foo(self):
 157         if True:
 158             xxxxx_xxxxxxxxxxxx('xxx xxxxxx xxx xxxxxxxxx.xx xx xxxxxxxx.  xxx xxxxxxxxxxxxx.xx xxxxxxx '
 159                                + 'xx xxxxxx xxxxxx xxxxxx xx xxxxxxx xxx xxx ${0} xx x xxxxxxxx xxxxx'.xxxxxx(xxxxxx_xxxxxx_xxx))
 160
 161 class A:
 162     class B:
 163         def foo():
 164             row = {
 165                 'xxxxxxxxxxxxxxx' : xxxxxx_xxxxx_xxxx,
 166                 # 'xxxxxxxxxxxxxxxxxxxxxxx'
 167                 # 'xxxxxxxxxxxxxxxxxxxxxx'
 168                 # 'xxxxxxxxxxxxxxxxxx'
 169                 # 'xxxxxxxxxxxxxxxxx'
 170                 'xxxxxxxxxx' : xxxxx_xxxxx,
 171                 }
 172
 173 class A:
 174     def xxxx_xxx_xx_xxxxxxxxxx_xxxx_xxxxxxxxx(xxxx):
 175         xxxxxxxx = [
 176             xxxxxxxxxxxxxxxx(
 177                 'xxxx',
 178                 xxxxxxxxxxx={
 179                     'xxxx' : 1.0,
 180                 },
 181                 xxxxxx={'xxxxxx 1' : xxxxxx(xxxx='xxxxxx 1', xxxxxx=600.0)},
 182                 xxxxxxxx_xxxxxxx=0.0,
 183             ),
 184             xxxxxxxxxxxxxxxx(
 185                 'xxxxxxx',
 186                 xxxxxxxxxxx={
 187                     'xxxx' : 1.0,
 188                 },
 189                 xxxxxx={'xxxxxx 1' : xxxxxx(xxxx='xxxxxx 1', xxxxxx=200.0)},
 190                 xxxxxxxx_xxxxxxx=0.0,
 191             ),
 192             xxxxxxxxxxxxxxxx(
 193                 'xxxx',
 194             ),
 195         ]
 196
 197 some_dictionary = {
 198     'xxxxx006': ['xxx-xxx xxxxx3xxxx1xx2xxxxxxxxxxxxxx0xx6xxxxxxxxxx2xxxxxx9xxxxxxxxxx0xxxxx1xxx2x/xx9xx6+x+xxxxxxxxxxxxxx4xxxxxxxxxxxxxxxxxxxxx43xxx2xx2x4x++xxx6xxxxxxxxx+xxxxx/xx9x+xxxxxxxxxxxxxx8x15xxxxxxxxxxxxxxxxx82xx/xxxxxxxxxxxxxx/x5xxxxxxxxxxxxxx6xxxxxx74x4/xxx4x+xxxxxxxxx2xxxxxxxx87xxxxx4xxxxxxxx3xx0xxxxx4xxx1xx9xx5xxxxxxx/xxxxx5xx6xx4xxxx1x/x2xxxxxxxxxxxx64xxxxxxx1x0xx5xxxxxxxxxxxxxx== xxxxx000 xxxxxxxxxx\n',
 199                  'xxx-xxx xxxxx3xxxx1xx2xxxxxxxxxxxxxx6xxxxxxxxxxxxxx9xxxxxxxxxxxxx3xxx9xxxxxxxxxxxxxxxx0xxxxxxxxxxxxxxxxx2xxxx2xxx6xxxxx/xx54xxxxxxxxx4xxx3xxxxxx9xx3xxxxx39xxxxxxxxx5xx91xxxx7xxxxxx8xxxxxxxxxxxxxxxx9xxx93xxxxxxxxxxxxxxxxx7xxx8xx8xx4/x1xxxxx1x3xxxxxxxxxxxxx3xxxxxx9xx4xx4x7xxxxxxxxxxxxx1xxxxxxxxx7xxxxxxxxxxxxxx4xx6xxxxxxxxx9xxx7xxxx2xxxxxxxxxxxxxxxxxxxxxx8xxxxxxxxxxxxxxxxxxxx6xx== xxxxx010 xxxxxxxxxx\n'],
 200     'xxxxx016': ['xxx-xxx xxxxx3xxxx1xx2xxxxxxxxxxxxxx0xx6xxxxxxxxxx2xxxxxx9xxxxxxxxxx0xxxxx1xxx2x/xx9xx6+x+xxxxxxxxxxxxxx4xxxxxxxxxxxxxxxxxxxxx43xxx2xx2x4x++xxx6xxxxxxxxx+xxxxx/xx9x+xxxxxxxxxxxxxx8x15xxxxxxxxxxxxxxxxx82xx/xxxxxxxxxxxxxx/x5xxxxxxxxxxxxxx6xxxxxx74x4/xxx4x+xxxxxxxxx2xxxxxxxx87xxxxx4xxxxxxxx3xx0xxxxx4xxx1xx9xx5xxxxxxx/xxxxx5xx6xx4xxxx1x/x2xxxxxxxxxxxx64xxxxxxx1x0xx5xxxxxxxxxxxxxx== xxxxx000 xxxxxxxxxx\n',
 201                  'xxx-xxx xxxxx3xxxx1xx2xxxxxxxxxxxxxx6xxxxxxxxxxxxxx9xxxxxxxxxxxxx3xxx9xxxxxxxxxxxxxxxx0xxxxxxxxxxxxxxxxx2xxxx2xxx6xxxxx/xx54xxxxxxxxx4xxx3xxxxxx9xx3xxxxx39xxxxxxxxx5xx91xxxx7xxxxxx8xxxxxxxxxxxxxxxx9xxx93xxxxxxxxxxxxxxxxx7xxx8xx8xx4/x1xxxxx1x3xxxxxxxxxxxxx3xxxxxx9xx4xx4x7xxxxxxxxxxxxx1xxxxxxxxx7xxxxxxxxxxxxxx4xx6xxxxxxxxx9xxx7xxxx2xxxxxxxxxxxxxxxxxxxxxx8xxxxxxxxxxxxxxxxxxxx6xx== xxxxx010 xxxxxxxxxx\n']
 202 }
 203
 204 def foo():
 205     xxx_xxx = (
 206         'xxxx xxx xxxxxxxx_xxxx xx "xxxxxxxxxx".'
 207         '\n xxx: xxxxxx xxxxxxxx_xxxx=xxxxxxxxxx'
 208     ) # xxxx xxxxxxxxxx xxxx xx xxxx xx xxx xxxxxxxx xxxxxx xxxxx.
 209
 210 some_tuple = ("some string", "some string" " which should be joined")
 211
 212 some_commented_string = (
 213     "This string is long but not so long that it needs hahahah toooooo be so greatttt"  # This comment gets thrown to the top.
 214     " {} that I just can't think of any more good words to say about it at"
 215     " allllllllllll".format("ha")  # comments here are fine
 216 )
 217
 218 some_commented_string = (
 219     "This string is long but not so long that it needs hahahah toooooo be so greatttt"  # But these
 220     " {} that I just can't think of any more good words to say about it at"  # comments will stay
 221     " allllllllllll".format("ha")  # comments here are fine
 222 )
 223
 224 lpar_and_rpar_have_comments = func_call(  # LPAR Comment
 225     "Long really ridiculous type of string that shouldn't really even exist at all. I mean commmme onnn!!!",  # Comma Comment
 226 )  # RPAR Comment
 227
 228 cmd_fstring = (
 229     f"sudo -E deluge-console info --detailed --sort-reverse=time_added "
 230     f"{'' if ID is None else ID} | perl -nE 'print if /^{field}:/'"
 231 )
 232
 233 cmd_fstring = f"sudo -E deluge-console info --detailed --sort-reverse=time_added {'' if ID is None else ID} | perl -nE 'print if /^{field}:/'"
 234
 235 cmd_fstring = f"sudo -E deluge-console info --detailed --sort-reverse=time_added {'{{}}' if ID is None else ID} | perl -nE 'print if /^{field}:/'"
 236
 237 cmd_fstring = f"sudo -E deluge-console info --detailed --sort-reverse=time_added {{'' if ID is None else ID}} | perl -nE 'print if /^{field}:/'"
 238
 239 fstring = f"This string really doesn't need to be an {{{{fstring}}}}, but this one most certainly, absolutely {does}."
 240
 241 fstring = (
 242     f"We have to remember to escape {braces}."
 243     " Like {these}."
 244     f" But not {this}."
 245 )
 246
 247 class A:
 248     class B:
 249         def foo():
 250             st_error = STError(
 251                 f"This string ({string_leaf.value}) appears to be pointless (i.e. has"
 252                 " no parent)."
 253             )
 254
 255 def foo():
 256     user_regex = _lazy_re_compile(
 257         r"(^[-!#$%&'*+/=?^_`{}|~0-9A-Z]+(\.[-!#$%&'*+/=?^_`{}|~0-9A-Z]+)*\Z"  # dot-atom
 258         r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-\011\013\014\016-\177])*"\Z)',  # quoted-string
 259         re.IGNORECASE)
 260
 261 def foo():
 262     user_regex = _lazy_re_compile(
 263         "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"  # dot-atom
 264         'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',  # quoted-string
 265         xyz
 266     )
 267
 268 def foo():
 269     user_regex = _lazy_re_compile(
 270         "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"  # dot-atom
 271         'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',  # quoted-string
 272         xyz
 273     )
 274
 275 class A:
 276     class B:
 277         def foo():
 278             if not hasattr(module, name):
 279                 raise ValueError(
 280                     "Could not find object %s in %s.\n"
 281                     "Please note that you cannot serialize things like inner "
 282                     "classes. Please move the object into the main module "
 283                     "body to use migrations.\n"
 284                     "For more information, see "
 285                     "https://docs.djangoproject.com/en/%s/topics/migrations/#serializing-values"
 286                     % (name, module_name, get_docs_version()))
 287
 288 class A:
 289     class B:
 290         def foo():
 291             if not hasattr(module, name):
 292                 raise ValueError(
 293                     "Could not find object %s in %s.\nPlease note that you cannot serialize things like inner classes. Please move the object into the main module body to use migrations.\nFor more information, see https://docs.djangoproject.com/en/%s/topics/migrations/#serializing-values"
 294                     % (name, module_name, get_docs_version()))
 295
 296 x = (
 297     "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
 298     "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
 299     "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
 300     "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
 301 )
 302
 303 class Step(StepBase):
 304     def who(self):
 305         self.cmd = 'SR AAAA-CORRECT NAME IS {last_name} {first_name}{middle_name} {title}/P{passenger_association}'.format(
 306             last_name=last_name,
 307             first_name=first_name,
 308             middle_name=middle_name,
 309             title=title,
 310             passenger_association=passenger_association,
 311         )
 312
 313 xxxxxxx_xxxxxx_xxxxxxx = xxx(
 314     [
 315         xxxxxxxxxxxx(
 316             xxxxxx_xxxxxxx=(
 317                 '((x.aaaaaaaaa = "xxxxxx.xxxxxxxxxxxxxxxxxxxxx") || (x.xxxxxxxxx = "xxxxxxxxxxxx")) && '
 318                 # xxxxx xxxxxxxxxxxx xxxx xxx (xxxxxxxxxxxxxxxx) xx x xxxxxxxxx xx xxxxxx.
 319                 "(x.bbbbbbbbbbbb.xxx != "
 320                 '"xxx:xxx:xxx::cccccccccccc:xxxxxxx-xxxx/xxxxxxxxxxx/xxxxxxxxxxxxxxxxx") && '
 321             )
 322         )
 323     ]
 324 )
 325
 326 if __name__ == "__main__":
 327     for i in range(4, 8):
 328         cmd = (
 329             r"for pid in $(ps aux | grep paster | grep -v grep | grep '\-%d' | awk '{print $2}'); do kill $pid; done"
 330             % (i)
 331         )
 332
 333 def A():
 334     def B():
 335         def C():
 336             def D():
 337                 def E():
 338                     def F():
 339                         def G():
 340                             assert (
 341                                 c_float(val[0][0] / val[0][1]).value
 342                                 == c_float(value[0][0] / value[0][1]).value
 343                             ), "%s didn't roundtrip" % tag
 344
 345 class xxxxxxxxxxxxxxxxxxxxx(xxxx.xxxxxxxxxxxxx):
 346     def xxxxxxx_xxxxxx(xxxx):
 347         assert xxxxxxx_xxxx in [
 348             x.xxxxx.xxxxxx.xxxxx.xxxxxx,
 349             x.xxxxx.xxxxxx.xxxxx.xxxx,
 350         ], ("xxxxxxxxxxx xxxxxxx xxxx (xxxxxx xxxx) %x xxx xxxxx" % xxxxxxx_xxxx)
 351
 352 value.__dict__[
 353     key
 354 ] = "test"  # set some Thrift field to non-None in the struct aa bb cc dd ee
 355
 356 RE_ONE_BACKSLASH = {
 357     "asdf_hjkl_jkl": re.compile(
 358         r"(?<!([0-9]\ ))(?<=(^|\ ))([A-Z]+(\ )?|[0-9](\ )|[a-z](\ )){4,7}([A-Z]|[0-9]|[a-z])($|\b)(?!(\ ?([0-9]\ )|(\.)))"
 359     ),
 360 }
 361
 362 RE_TWO_BACKSLASHES = {
 363     "asdf_hjkl_jkl": re.compile(
 364         r"(?<!([0-9]\ ))(?<=(^|\ ))([A-Z]+(\ )?|[0-9](\ )|[a-z](\\ )){4,7}([A-Z]|[0-9]|[a-z])($|\b)(?!(\ ?([0-9]\ )|(\.)))"
 365     ),
 366 }
 367
 368 RE_THREE_BACKSLASHES = {
 369     "asdf_hjkl_jkl": re.compile(
 370         r"(?<!([0-9]\ ))(?<=(^|\ ))([A-Z]+(\ )?|[0-9](\ )|[a-z](\\\ )){4,7}([A-Z]|[0-9]|[a-z])($|\b)(?!(\ ?([0-9]\ )|(\.)))"
 371     ),
 372 }
 373
 374 # We do NOT split on f-string expressions.
 375 print(f"Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam. {[f'{i}' for i in range(10)]}")
 376 x = f"This is a long string which contains an f-expr that should not split {{{[i for i in range(5)]}}}."
 377
 378 # The parens should NOT be removed in this case.
 379 (
 380     "my very long string that should get formatted if I'm careful to make sure it goes"
 381     " over 88 characters which it has now"
 382 )
 383
 384 # The parens should NOT be removed in this case.
 385 (
 386     "my very long string that should get formatted if I'm careful to make sure it goes over 88 characters which"
 387     " it has now"
 388 )
 389
 390 # The parens should NOT be removed in this case.
 391 (
 392     "my very long string"
 393     " that should get formatted"
 394     " if I'm careful to make sure"
 395     " it goes over 88 characters which"
 396     " it has now"
 397 )
 398
 399
 400 def _legacy_listen_examples():
 401     text += (
 402         "    \"listen for the '%(event_name)s' event\"\n"
 403         "\n    # ... (event logic logic logic) ...\n"
 404         % {
 405             "since": since,
 406         }
 407     )
 408
 409
 410 class X:
 411     async def foo(self):
 412         msg = ""
 413         for candidate in CANDIDATES:
 414             msg += (
 415                 "**{candidate.object_type} {candidate.rev}**"
 416                 " - {candidate.description}\n"
 417             )
 418
 419
 420 temp_msg = (
 421     f"{f'{humanize_number(pos)}.': <{pound_len+2}} "
 422     f"{balance: <{bal_len + 5}} "
 423     f"<<{author.display_name}>>\n"
 424 )
 425
 426 assert str(suffix_arr) == (
 427     "['$', 'angaroo$', 'angrykangaroo$', 'aroo$', 'garoo$', "
 428     "'grykangaroo$', 'kangaroo$', 'ngaroo$', 'ngrykangaroo$', "
 429     "'o$', 'oo$', 'roo$', 'rykangaroo$', 'ykangaroo$']"
 430 )
 431 assert str(suffix_arr) != (
 432     "['$', 'angaroo$', 'angrykangaroo$', 'aroo$', 'garoo$', "
 433     "'grykangaroo$', 'kangaroo$', 'ngaroo$', 'ngrykangaroo$', "
 434     "'o$', 'oo$', 'roo$', 'rykangaroo$', 'ykangaroo$']"
 435 )
 436 assert str(suffix_arr) <= (
 437     "['$', 'angaroo$', 'angrykangaroo$', 'aroo$', 'garoo$', "
 438     "'grykangaroo$', 'kangaroo$', 'ngaroo$', 'ngrykangaroo$', "
 439     "'o$', 'oo$', 'roo$', 'rykangaroo$', 'ykangaroo$']"
 440 )
 441 assert str(suffix_arr) >= (
 442     "['$', 'angaroo$', 'angrykangaroo$', 'aroo$', 'garoo$', "
 443     "'grykangaroo$', 'kangaroo$', 'ngaroo$', 'ngrykangaroo$', "
 444     "'o$', 'oo$', 'roo$', 'rykangaroo$', 'ykangaroo$']"
 445 )
 446 assert str(suffix_arr) < (
 447     "['$', 'angaroo$', 'angrykangaroo$', 'aroo$', 'garoo$', "
 448     "'grykangaroo$', 'kangaroo$', 'ngaroo$', 'ngrykangaroo$', "
 449     "'o$', 'oo$', 'roo$', 'rykangaroo$', 'ykangaroo$']"
 450 )
 451 assert str(suffix_arr) > (
 452     "['$', 'angaroo$', 'angrykangaroo$', 'aroo$', 'garoo$', "
 453     "'grykangaroo$', 'kangaroo$', 'ngaroo$', 'ngrykangaroo$', "
 454     "'o$', 'oo$', 'roo$', 'rykangaroo$', 'ykangaroo$']"
 455 )
 456 assert str(suffix_arr) in "['$', 'angaroo$', 'angrykangaroo$', 'aroo$', 'garoo$', 'grykangaroo$', 'kangaroo$', 'ngaroo$', 'ngrykangaroo$', 'o$', 'oo$', 'roo$', 'rykangaroo$', 'ykangaroo$']"
 457 assert str(suffix_arr) not in "['$', 'angaroo$', 'angrykangaroo$', 'aroo$', 'garoo$', 'grykangaroo$', 'kangaroo$', 'ngaroo$', 'ngrykangaroo$', 'o$', 'oo$', 'roo$', 'rykangaroo$', 'ykangaroo$']"
 458 message = (
 459     f"1. Go to Google Developers Console and log in with your Google account."
 460     "(https://console.developers.google.com/)"
 461     "2. You should be prompted to create a new project (name does not matter)."
 462     "3. Click on Enable APIs and Services at the top."
 463     "4. In the list of APIs choose or search for YouTube Data API v3 and "
 464     "click on it. Choose Enable."
 465     "5. Click on Credentials on the left navigation bar."
 466     "6. Click on Create Credential at the top."
 467     '7. At the top click the link for "API key".'
 468     "8. No application restrictions are needed. Click Create at the bottom."
 469     "9. You now have a key to add to `{prefix}set api youtube api_key`"
 470 )
 471 message = (
 472     f"1. Go to Google Developers Console and log in with your Google account."
 473     "(https://console.developers.google.com/)"
 474     "2. You should be prompted to create a new project (name does not matter)."
 475     f"3. Click on Enable APIs and Services at the top."
 476     "4. In the list of APIs choose or search for YouTube Data API v3 and "
 477     "click on it. Choose Enable."
 478     f"5. Click on Credentials on the left navigation bar."
 479     "6. Click on Create Credential at the top."
 480     '7. At the top click the link for "API key".'
 481     "8. No application restrictions are needed. Click Create at the bottom."
 482     "9. You now have a key to add to `{prefix}set api youtube api_key`"
 483 )
 484 message = (
 485     f"1. Go to Google Developers Console and log in with your Google account."
 486     "(https://console.developers.google.com/)"
 487     "2. You should be prompted to create a new project (name does not matter)."
 488     f"3. Click on Enable APIs and Services at the top."
 489     "4. In the list of APIs choose or search for YouTube Data API v3 and "
 490     "click on it. Choose Enable."
 491     f"5. Click on Credentials on the left navigation bar."
 492     "6. Click on Create Credential at the top."
 493     '7. At the top click the link for "API key".'
 494     "8. No application restrictions are needed. Click Create at the bottom."
 495     f"9. You now have a key to add to `{prefix}set api youtube api_key`"
 496 )
 497
 498 # It shouldn't matter if the string prefixes are capitalized.
 499 temp_msg = (
 500     F"{F'{humanize_number(pos)}.': <{pound_len+2}} "
 501     F"{balance: <{bal_len + 5}} "
 502     F"<<{author.display_name}>>\n"
 503 )
 504
 505 fstring = (
 506     F"We have to remember to escape {braces}."
 507     " Like {these}."
 508     F" But not {this}."
 509 )
 510
 511 welcome_to_programming = R"hello," R" world!"
 512
 513 fstring = F"f-strings definitely make things more {difficult} than they need to be for {{black}}. But boy they sure are handy. The problem is that some lines will need to have the 'f' whereas others do not. This {line}, for example, needs one."
 514
 515 x = F"This is a long string which contains an f-expr that should not split {{{[i for i in range(5)]}}}."
 516
 517 x = (
 518     "\N{BLACK RIGHT-POINTING TRIANGLE WITH DOUBLE VERTICAL BAR}\N{VARIATION SELECTOR-16}"
 519 )
 520
 521 xxxxxx_xxx_xxxx_xx_xxxxx_xxxxxxxx_xxxxxxxx_xxxxxxxxxx_xxxx_xxxx_xxxxx = xxxx.xxxxxx.xxxxxxxxx.xxxxxxxxxxxxxxxxxxxx(
 522     xx_xxxxxx={
 523         "x3_xxxxxxxx": "xxx3_xxxxx_xxxxxxxx_xxxxxxxx_xxxxxxxxxx_xxxxxxxx_xxxxxx_xxxxxxx",
 524     },
 525 )
 526
 527 # Regression test for https://github.com/psf/black/issues/3117.
 528 some_dict = {
 529     "something_something":
 530         r"Lorem ipsum dolor sit amet, an sed convenire eloquentiam \t"
 531         r"signiferumque, duo ea vocibus consetetur scriptorem. Facer \t",
 532 }
 533
 534 # Regression test for https://github.com/psf/black/issues/3459.
 535 xxxx(
 536     empty_str_as_first_split=''
 537     f'xxxxxxx {xxxxxxxxxx} xxx xxxxxxxxxx xxxxx xxx xxx xx '
 538     'xxxxx xxxxxxxxx xxxxxxx, xxx xxxxxxxxxxx xxx xxxxx. '
 539     f'xxxxxxxxxxxxx xxxx xx xxxxxxxxxx. xxxxx: {x.xxx}',
 540     empty_u_str_as_first_split=u''
 541     f'xxxxxxx {xxxxxxxxxx} xxx xxxxxxxxxx xxxxx xxx xxx xx '
 542     'xxxxx xxxxxxxxx xxxxxxx, xxx xxxxxxxxxxx xxx xxxxx. '
 543     f'xxxxxxxxxxxxx xxxx xx xxxxxxxxxx. xxxxx: {x.xxx}',
 544 )
 545
 546
 547 # output
 548
 549
 550 class A:
 551     def foo():
 552         result = type(message)("")
 553
 554
 555 # Don't merge multiline (e.g. triple-quoted) strings.
 556 def foo():
 557     query = (
 558         """SELECT xxxxxxxxxxxxxxxxxxxx(xxx)"""
 559         """ FROM xxxxxxxxxxxxxxxx WHERE xxxxxxxxxx AND xxx <> xxxxxxxxxxxxxx()"""
 560     )
 561
 562
 563 # There was a bug where tuples were being identified as long strings.
 564 long_tuple = (
 565     "Apple",
 566     "Berry",
 567     "Cherry",
 568     "Dill",
 569     "Evergreen",
 570     "Fig",
 571     "Grape",
 572     "Harry",
 573     "Iglu",
 574     "Jaguar",
 575 )
 576
 577 stupid_format_method_bug = (
 578     "Some really long string that just so happens to be the {} {} to force the 'format'"
 579     " method to hang over the line length boundary. This is pretty annoying.".format(
 580         "perfect", "length"
 581     )
 582 )
 583
 584
 585 class A:
 586     def foo():
 587         os.system(
 588             "This is a regression test. xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx"
 589             " xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx"
 590             " xxxx.".format("xxxxxxxxxx", "xxxxxx", "xxxxxxxxxx")
 591         )
 592
 593
 594 class A:
 595     def foo():
 596         XXXXXXXXXXXX.append(
 597             (
 598                 "xxx_xxxxxxxxxx(xxxxx={}, xxxx={}, xxxxx, xxxx_xxxx_xxxxxxxxxx={})"
 599                 .format(xxxxx, xxxx, xxxx_xxxx_xxxxxxxxxx),
 600                 my_var,
 601                 my_other_var,
 602             )
 603         )
 604
 605
 606 class A:
 607     class B:
 608         def foo():
 609             bar(
 610                 "[{}]: xxx_xxxxxxxxxx(xxxxx={}, xxxx={}, xxxxx={}"
 611                 " xxxx_xxxx_xxxxxxxxxx={}, xxxx={})".format(
 612                     xxxx._xxxxxxxxxxxxxx, xxxxx, xxxx, xxxx_xxxx_xxxxxxxxxx, xxxxxxx
 613                 ),
 614                 varX,
 615                 varY,
 616                 varZ,
 617             )
 618
 619
 620 def foo(xxxx):
 621     for xxx_xxxx, _xxx_xxx, _xxx_xxxxx, xxx_xxxx in xxxx:
 622         for xxx in xxx_xxxx:
 623             assert ("x" in xxx) or (xxx in xxx_xxx_xxxxx), (
 624                 "{0} xxxxxxx xx {1}, xxx {1} xx xxx xx xxxx xx xxx xxxx: xxx xxxx {2}"
 625                 .format(xxx_xxxx, xxx, xxxxxx.xxxxxxx(xxx_xxx_xxxxx))
 626             )
 627
 628
 629 class A:
 630     def disappearing_comment():
 631         return (
 632             (  # xx -x xxxxxxx xx xxx xxxxxxx.
 633                 "{{xxx_xxxxxxxxxx_xxxxxxxx}} xxx xxxx {} {{xxxx}} >&2".format(
 634                     "{xxxx} {xxxxxx}"
 635                     if xxxxx.xx_xxxxxxxxxx
 636                     else (  # Disappearing Comment
 637                         "--xxxxxxx --xxxxxx=x --xxxxxx-xxxxx=xxxxxx"
 638                         " --xxxxxx-xxxx=xxxxxxxxxxx.xxx"
 639                     )
 640                 )
 641             ),
 642             (x, y, z),
 643         )
 644
 645
 646 class A:
 647     class B:
 648         def foo():
 649             xxxxx_xxxx(
 650                 xx,
 651                 "\t"
 652                 "@xxxxxx '{xxxx_xxx}\t' > {xxxxxx_xxxx}.xxxxxxx;"
 653                 "{xxxx_xxx} >> {xxxxxx_xxxx}.xxxxxxx 2>&1; xx=$$?;"
 654                 "xxxx $$xx".format(
 655                     xxxx_xxx=xxxx_xxxxxxx,
 656                     xxxxxx_xxxx=xxxxxxx + "/" + xxxx_xxx_xxxx,
 657                     x=xxx_xxxxx_xxxxx_xxx,
 658                 ),
 659                 x,
 660                 y,
 661                 z,
 662             )
 663
 664
 665 func_call_where_string_arg_has_method_call_and_bad_parens(
 666     "A long string with {}. This string is so long that it is ridiculous. It can't fit"
 667     " on one line at alllll.".format("formatting"),
 668 )
 669
 670 func_call_where_string_arg_has_old_fmt_and_bad_parens(
 671     "A long string with {}. This string is so long that it is ridiculous. It can't fit"
 672     " on one line at alllll." % "formatting",
 673 )
 674
 675 func_call_where_string_arg_has_old_fmt_and_bad_parens(
 676     "A long string with {}. This {} is so long that it is ridiculous. It can't fit on"
 677     " one line at alllll." % ("formatting", "string"),
 678 )
 679
 680
 681 class A:
 682     def append(self):
 683         if True:
 684             xxxx.xxxxxxx.xxxxx(
 685                 "xxxxxxxxxx xxxx xx xxxxxx(%x) xx %x xxxx xx xxx %x.xx"
 686                 % (len(self) + 1, xxxx.xxxxxxxxxx, xxxx.xxxxxxxxxx)
 687                 + " %.3f (%s) to %.3f (%s).\n"
 688                 % (
 689                     xxxx.xxxxxxxxx,
 690                     xxxx.xxxxxxxxxxxxxx(xxxx.xxxxxxxxx),
 691                     x,
 692                     xxxx.xxxxxxxxxxxxxx(xx),
 693                 )
 694             )
 695
 696
 697 class A:
 698     def foo():
 699         some_func_call(
 700             "xxxxxxxxxx",
 701             (
 702                 "xx {xxxxxxxxxxx}/xxxxxxxxxxx.xxx xxxx.xxx && xxxxxx -x "
 703                 '"xxxx xxxxxxx xxxxxx xxxx; xxxx xxxxxx_xxxxx xxxxxx xxxx; '
 704                 "xxxx.xxxx_xxxxxx(['xxxx.xxx'], xxxx.xxxxxxx().xxxxxxxxxx)\" "
 705             ),
 706             None,
 707             ("xxxxxxxxxxx",),
 708         ),
 709
 710
 711 class A:
 712     def foo():
 713         some_func_call(
 714             (
 715                 "xx {xxxxxxxxxxx}/xxxxxxxxxxx.xxx xxxx.xxx && xxxxxx -x "
 716                 "xxxx, ('xxxxxxx xxxxxx xxxx, xxxx') xxxxxx_xxxxx xxxxxx xxxx; "
 717                 "xxxx.xxxx_xxxxxx(['xxxx.xxx'], xxxx.xxxxxxx().xxxxxxxxxx)\" "
 718             ),
 719             None,
 720             ("xxxxxxxxxxx",),
 721         ),
 722
 723
 724 xxxxxxx = {
 725     "xx": (
 726         "xxxx xxxxxxx xxxxxxxxx -x xxx -x /xxx/{0} -x xxx,xxx -xx {1} -xx {1} -xx"
 727         " xxx=xxx_xxxx,xxx_xx,xxx_xxx,xxx_xxxx,xxx_xx,xxx_xxx | xxxxxx -x xxxxxxxx -x"
 728         " xxxxxxxx -x"
 729     ),
 730     "xx": (
 731         "xxxx xxxxxxx xxxxxxxxx -x xxx -x /xxx/{0} -x xxx,xxx -xx {1} -xx {1} -xx"
 732         " xxx=xxx_xxxx_xxx_xxxx,xxx_xx_xxx_xxxx,xxx_xxxx_xxx_xxxx,xxx_xx_xxxx_xxxx,xxx_xxx_xxxx,xxx_xxx_xxxx"
 733         " xxxx=xxx | xxxxxx -x xxxxxxxx -x xxxxxxxx -x"
 734     ),
 735 }
 736
 737
 738 class A:
 739     def foo(self):
 740         if True:
 741             xxxxx_xxxxxxxxxxxx(
 742                 "xxx xxxxxx xxx xxxxxxxxx.xx xx xxxxxxxx.  xxx xxxxxxxxxxxxx.xx"
 743                 " xxxxxxx "
 744                 + "xx xxxxxx xxxxxx xxxxxx xx xxxxxxx xxx xxx ${0} xx x xxxxxxxx xxxxx"
 745                 .xxxxxx(xxxxxx_xxxxxx_xxx)
 746             )
 747
 748
 749 class A:
 750     class B:
 751         def foo():
 752             row = {
 753                 "xxxxxxxxxxxxxxx": xxxxxx_xxxxx_xxxx,
 754                 # 'xxxxxxxxxxxxxxxxxxxxxxx'
 755                 # 'xxxxxxxxxxxxxxxxxxxxxx'
 756                 # 'xxxxxxxxxxxxxxxxxx'
 757                 # 'xxxxxxxxxxxxxxxxx'
 758                 "xxxxxxxxxx": xxxxx_xxxxx,
 759             }
 760
 761
 762 class A:
 763     def xxxx_xxx_xx_xxxxxxxxxx_xxxx_xxxxxxxxx(xxxx):
 764         xxxxxxxx = [
 765             xxxxxxxxxxxxxxxx(
 766                 "xxxx",
 767                 xxxxxxxxxxx={
 768                     "xxxx": 1.0,
 769                 },
 770                 xxxxxx={"xxxxxx 1": xxxxxx(xxxx="xxxxxx 1", xxxxxx=600.0)},
 771                 xxxxxxxx_xxxxxxx=0.0,
 772             ),
 773             xxxxxxxxxxxxxxxx(
 774                 "xxxxxxx",
 775                 xxxxxxxxxxx={
 776                     "xxxx": 1.0,
 777                 },
 778                 xxxxxx={"xxxxxx 1": xxxxxx(xxxx="xxxxxx 1", xxxxxx=200.0)},
 779                 xxxxxxxx_xxxxxxx=0.0,
 780             ),
 781             xxxxxxxxxxxxxxxx(
 782                 "xxxx",
 783             ),
 784         ]
 785
 786
 787 some_dictionary = {
 788     "xxxxx006": [
 789         (
 790             "xxx-xxx"
 791             " xxxxx3xxxx1xx2xxxxxxxxxxxxxx0xx6xxxxxxxxxx2xxxxxx9xxxxxxxxxx0xxxxx1xxx2x/xx9xx6+x+xxxxxxxxxxxxxx4xxxxxxxxxxxxxxxxxxxxx43xxx2xx2x4x++xxx6xxxxxxxxx+xxxxx/xx9x+xxxxxxxxxxxxxx8x15xxxxxxxxxxxxxxxxx82xx/xxxxxxxxxxxxxx/x5xxxxxxxxxxxxxx6xxxxxx74x4/xxx4x+xxxxxxxxx2xxxxxxxx87xxxxx4xxxxxxxx3xx0xxxxx4xxx1xx9xx5xxxxxxx/xxxxx5xx6xx4xxxx1x/x2xxxxxxxxxxxx64xxxxxxx1x0xx5xxxxxxxxxxxxxx=="
 792             " xxxxx000 xxxxxxxxxx\n"
 793         ),
 794         (
 795             "xxx-xxx"
 796             " xxxxx3xxxx1xx2xxxxxxxxxxxxxx6xxxxxxxxxxxxxx9xxxxxxxxxxxxx3xxx9xxxxxxxxxxxxxxxx0xxxxxxxxxxxxxxxxx2xxxx2xxx6xxxxx/xx54xxxxxxxxx4xxx3xxxxxx9xx3xxxxx39xxxxxxxxx5xx91xxxx7xxxxxx8xxxxxxxxxxxxxxxx9xxx93xxxxxxxxxxxxxxxxx7xxx8xx8xx4/x1xxxxx1x3xxxxxxxxxxxxx3xxxxxx9xx4xx4x7xxxxxxxxxxxxx1xxxxxxxxx7xxxxxxxxxxxxxx4xx6xxxxxxxxx9xxx7xxxx2xxxxxxxxxxxxxxxxxxxxxx8xxxxxxxxxxxxxxxxxxxx6xx=="
 797             " xxxxx010 xxxxxxxxxx\n"
 798         ),
 799     ],
 800     "xxxxx016": [
 801         (
 802             "xxx-xxx"
 803             " xxxxx3xxxx1xx2xxxxxxxxxxxxxx0xx6xxxxxxxxxx2xxxxxx9xxxxxxxxxx0xxxxx1xxx2x/xx9xx6+x+xxxxxxxxxxxxxx4xxxxxxxxxxxxxxxxxxxxx43xxx2xx2x4x++xxx6xxxxxxxxx+xxxxx/xx9x+xxxxxxxxxxxxxx8x15xxxxxxxxxxxxxxxxx82xx/xxxxxxxxxxxxxx/x5xxxxxxxxxxxxxx6xxxxxx74x4/xxx4x+xxxxxxxxx2xxxxxxxx87xxxxx4xxxxxxxx3xx0xxxxx4xxx1xx9xx5xxxxxxx/xxxxx5xx6xx4xxxx1x/x2xxxxxxxxxxxx64xxxxxxx1x0xx5xxxxxxxxxxxxxx=="
 804             " xxxxx000 xxxxxxxxxx\n"
 805         ),
 806         (
 807             "xxx-xxx"
 808             " xxxxx3xxxx1xx2xxxxxxxxxxxxxx6xxxxxxxxxxxxxx9xxxxxxxxxxxxx3xxx9xxxxxxxxxxxxxxxx0xxxxxxxxxxxxxxxxx2xxxx2xxx6xxxxx/xx54xxxxxxxxx4xxx3xxxxxx9xx3xxxxx39xxxxxxxxx5xx91xxxx7xxxxxx8xxxxxxxxxxxxxxxx9xxx93xxxxxxxxxxxxxxxxx7xxx8xx8xx4/x1xxxxx1x3xxxxxxxxxxxxx3xxxxxx9xx4xx4x7xxxxxxxxxxxxx1xxxxxxxxx7xxxxxxxxxxxxxx4xx6xxxxxxxxx9xxx7xxxx2xxxxxxxxxxxxxxxxxxxxxx8xxxxxxxxxxxxxxxxxxxx6xx=="
 809             " xxxxx010 xxxxxxxxxx\n"
 810         ),
 811     ],
 812 }
 813
 814
 815 def foo():
 816     xxx_xxx = (  # xxxx xxxxxxxxxx xxxx xx xxxx xx xxx xxxxxxxx xxxxxx xxxxx.
 817         'xxxx xxx xxxxxxxx_xxxx xx "xxxxxxxxxx".\n xxx: xxxxxx xxxxxxxx_xxxx=xxxxxxxxxx'
 818     )
 819
 820
 821 some_tuple = ("some string", "some string which should be joined")
 822
 823 some_commented_string = (  # This comment gets thrown to the top.
 824     "This string is long but not so long that it needs hahahah toooooo be so greatttt"
 825     " {} that I just can't think of any more good words to say about it at"
 826     " allllllllllll".format("ha")  # comments here are fine
 827 )
 828
 829 some_commented_string = (
 830     "This string is long but not so long that it needs hahahah toooooo be so greatttt"  # But these
 831     " {} that I just can't think of any more good words to say about it at"  # comments will stay
 832     " allllllllllll".format("ha")  # comments here are fine
 833 )
 834
 835 lpar_and_rpar_have_comments = func_call(  # LPAR Comment
 836     (  # Comma Comment
 837         "Long really ridiculous type of string that shouldn't really even exist at all."
 838         " I mean commmme onnn!!!"
 839     ),
 840 )  # RPAR Comment
 841
 842 cmd_fstring = (
 843     "sudo -E deluge-console info --detailed --sort-reverse=time_added "
 844     f"{'' if ID is None else ID} | perl -nE 'print if /^{field}:/'"
 845 )
 846
 847 cmd_fstring = (
 848     "sudo -E deluge-console info --detailed --sort-reverse=time_added"
 849     f" {'' if ID is None else ID} | perl -nE 'print if /^{field}:/'"
 850 )
 851
 852 cmd_fstring = (
 853     "sudo -E deluge-console info --detailed --sort-reverse=time_added"
 854     f" {'{{}}' if ID is None else ID} | perl -nE 'print if /^{field}:/'"
 855 )
 856
 857 cmd_fstring = (
 858     "sudo -E deluge-console info --detailed --sort-reverse=time_added {'' if ID is"
 859     f" None else ID}} | perl -nE 'print if /^{field}:/'"
 860 )
 861
 862 fstring = (
 863     "This string really doesn't need to be an {{fstring}}, but this one most"
 864     f" certainly, absolutely {does}."
 865 )
 866
 867 fstring = f"We have to remember to escape {braces}. Like {{these}}. But not {this}."
 868
 869
 870 class A:
 871     class B:
 872         def foo():
 873             st_error = STError(
 874                 f"This string ({string_leaf.value}) appears to be pointless (i.e. has"
 875                 " no parent)."
 876             )
 877
 878
 879 def foo():
 880     user_regex = _lazy_re_compile(
 881         r"(^[-!#$%&'*+/=?^_`{}|~0-9A-Z]+(\.[-!#$%&'*+/=?^_`{}|~0-9A-Z]+)*\Z"  # dot-atom
 882         r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-\011\013\014\016-\177])*"\Z)',  # quoted-string
 883         re.IGNORECASE,
 884     )
 885
 886
 887 def foo():
 888     user_regex = _lazy_re_compile(
 889         "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"  # dot-atom
 890         "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",  # quoted-string
 891         xyz,
 892     )
 893
 894
 895 def foo():
 896     user_regex = _lazy_re_compile(
 897         "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"  # dot-atom
 898         "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",  # quoted-string
 899         xyz,
 900     )
 901
 902
 903 class A:
 904     class B:
 905         def foo():
 906             if not hasattr(module, name):
 907                 raise ValueError(
 908                     "Could not find object %s in %s.\n"
 909                     "Please note that you cannot serialize things like inner "
 910                     "classes. Please move the object into the main module "
 911                     "body to use migrations.\n"
 912                     "For more information, see "
 913                     "https://docs.djangoproject.com/en/%s/topics/migrations/#serializing-values"
 914                     % (name, module_name, get_docs_version())
 915                 )
 916
 917
 918 class A:
 919     class B:
 920         def foo():
 921             if not hasattr(module, name):
 922                 raise ValueError(
 923                     "Could not find object %s in %s.\nPlease note that you cannot"
 924                     " serialize things like inner classes. Please move the object into"
 925                     " the main module body to use migrations.\nFor more information,"
 926                     " see https://docs.djangoproject.com/en/%s/topics/migrations/#serializing-values"
 927                     % (name, module_name, get_docs_version())
 928                 )
 929
 930
 931 x = (
 932     "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
 933     "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
 934     "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
 935     "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
 936 )
 937
 938
 939 class Step(StepBase):
 940     def who(self):
 941         self.cmd = (
 942             "SR AAAA-CORRECT NAME IS {last_name} {first_name}{middle_name}"
 943             " {title}/P{passenger_association}".format(
 944                 last_name=last_name,
 945                 first_name=first_name,
 946                 middle_name=middle_name,
 947                 title=title,
 948                 passenger_association=passenger_association,
 949             )
 950         )
 951
 952
 953 xxxxxxx_xxxxxx_xxxxxxx = xxx(
 954     [
 955         xxxxxxxxxxxx(
 956             xxxxxx_xxxxxxx=(
 957                 '((x.aaaaaaaaa = "xxxxxx.xxxxxxxxxxxxxxxxxxxxx") || (x.xxxxxxxxx ='
 958                 ' "xxxxxxxxxxxx")) && '
 959                 # xxxxx xxxxxxxxxxxx xxxx xxx (xxxxxxxxxxxxxxxx) xx x xxxxxxxxx xx xxxxxx.
 960                 "(x.bbbbbbbbbbbb.xxx != "
 961                 '"xxx:xxx:xxx::cccccccccccc:xxxxxxx-xxxx/xxxxxxxxxxx/xxxxxxxxxxxxxxxxx") && '
 962             )
 963         )
 964     ]
 965 )
 966
 967 if __name__ == "__main__":
 968     for i in range(4, 8):
 969         cmd = (
 970             r"for pid in $(ps aux | grep paster | grep -v grep | grep '\-%d' | awk"
 971             r" '{print $2}'); do kill $pid; done" % (i)
 972         )
 973
 974
 975 def A():
 976     def B():
 977         def C():
 978             def D():
 979                 def E():
 980                     def F():
 981                         def G():
 982                             assert (
 983                                 c_float(val[0][0] / val[0][1]).value
 984                                 == c_float(value[0][0] / value[0][1]).value
 985                             ), "%s didn't roundtrip" % tag
 986
 987
 988 class xxxxxxxxxxxxxxxxxxxxx(xxxx.xxxxxxxxxxxxx):
 989     def xxxxxxx_xxxxxx(xxxx):
 990         assert xxxxxxx_xxxx in [
 991             x.xxxxx.xxxxxx.xxxxx.xxxxxx,
 992             x.xxxxx.xxxxxx.xxxxx.xxxx,
 993         ], (
 994             "xxxxxxxxxxx xxxxxxx xxxx (xxxxxx xxxx) %x xxx xxxxx" % xxxxxxx_xxxx
 995         )
 996
 997
 998 value.__dict__[key] = (
 999     "test"  # set some Thrift field to non-None in the struct aa bb cc dd ee
1000 )
1001
1002 RE_ONE_BACKSLASH = {
1003     "asdf_hjkl_jkl": re.compile(
1004         r"(?<!([0-9]\ ))(?<=(^|\ ))([A-Z]+(\ )?|[0-9](\ )|[a-z](\ )){4,7}([A-Z]|[0-9]|[a-z])($|\b)(?!(\ ?([0-9]\ )|(\.)))"
1005     ),
1006 }
1007
1008 RE_TWO_BACKSLASHES = {
1009     "asdf_hjkl_jkl": re.compile(
1010         r"(?<!([0-9]\ ))(?<=(^|\ ))([A-Z]+(\ )?|[0-9](\ )|[a-z](\\"
1011         r" )){4,7}([A-Z]|[0-9]|[a-z])($|\b)(?!(\ ?([0-9]\ )|(\.)))"
1012     ),
1013 }
1014
1015 RE_THREE_BACKSLASHES = {
1016     "asdf_hjkl_jkl": re.compile(
1017         r"(?<!([0-9]\ ))(?<=(^|\ ))([A-Z]+(\ )?|[0-9](\ )|[a-z](\\\ )){4,7}([A-Z]|[0-9]|[a-z])($|\b)(?!(\ ?([0-9]\ )|(\.)))"
1018     ),
1019 }
1020
1021 # We do NOT split on f-string expressions.
1022 print(
1023     "Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam."
1024     f" {[f'{i}' for i in range(10)]}"
1025 )
1026 x = (
1027     "This is a long string which contains an f-expr that should not split"
1028     f" {{{[i for i in range(5)]}}}."
1029 )
1030
1031 # The parens should NOT be removed in this case.
1032 (
1033     "my very long string that should get formatted if I'm careful to make sure it goes"
1034     " over 88 characters which it has now"
1035 )
1036
1037 # The parens should NOT be removed in this case.
1038 (
1039     "my very long string that should get formatted if I'm careful to make sure it goes"
1040     " over 88 characters which it has now"
1041 )
1042
1043 # The parens should NOT be removed in this case.
1044 (
1045     "my very long string"
1046     " that should get formatted"
1047     " if I'm careful to make sure"
1048     " it goes over 88 characters which"
1049     " it has now"
1050 )
1051
1052
1053 def _legacy_listen_examples():
1054     text += (
1055         "    \"listen for the '%(event_name)s' event\"\n"
1056         "\n    # ... (event logic logic logic) ...\n"
1057         % {
1058             "since": since,
1059         }
1060     )
1061
1062
1063 class X:
1064     async def foo(self):
1065         msg = ""
1066         for candidate in CANDIDATES:
1067             msg += (
1068                 "**{candidate.object_type} {candidate.rev}**"
1069                 " - {candidate.description}\n"
1070             )
1071
1072
1073 temp_msg = (
1074     f"{f'{humanize_number(pos)}.': <{pound_len+2}} "
1075     f"{balance: <{bal_len + 5}} "
1076     f"<<{author.display_name}>>\n"
1077 )
1078
1079 assert (
1080     str(suffix_arr)
1081     == "['$', 'angaroo$', 'angrykangaroo$', 'aroo$', 'garoo$', "
1082     "'grykangaroo$', 'kangaroo$', 'ngaroo$', 'ngrykangaroo$', "
1083     "'o$', 'oo$', 'roo$', 'rykangaroo$', 'ykangaroo$']"
1084 )
1085 assert (
1086     str(suffix_arr)
1087     != "['$', 'angaroo$', 'angrykangaroo$', 'aroo$', 'garoo$', "
1088     "'grykangaroo$', 'kangaroo$', 'ngaroo$', 'ngrykangaroo$', "
1089     "'o$', 'oo$', 'roo$', 'rykangaroo$', 'ykangaroo$']"
1090 )
1091 assert (
1092     str(suffix_arr)
1093     <= "['$', 'angaroo$', 'angrykangaroo$', 'aroo$', 'garoo$', "
1094     "'grykangaroo$', 'kangaroo$', 'ngaroo$', 'ngrykangaroo$', "
1095     "'o$', 'oo$', 'roo$', 'rykangaroo$', 'ykangaroo$']"
1096 )
1097 assert (
1098     str(suffix_arr)
1099     >= "['$', 'angaroo$', 'angrykangaroo$', 'aroo$', 'garoo$', "
1100     "'grykangaroo$', 'kangaroo$', 'ngaroo$', 'ngrykangaroo$', "
1101     "'o$', 'oo$', 'roo$', 'rykangaroo$', 'ykangaroo$']"
1102 )
1103 assert (
1104     str(suffix_arr)
1105     < "['$', 'angaroo$', 'angrykangaroo$', 'aroo$', 'garoo$', "
1106     "'grykangaroo$', 'kangaroo$', 'ngaroo$', 'ngrykangaroo$', "
1107     "'o$', 'oo$', 'roo$', 'rykangaroo$', 'ykangaroo$']"
1108 )
1109 assert (
1110     str(suffix_arr)
1111     > "['$', 'angaroo$', 'angrykangaroo$', 'aroo$', 'garoo$', "
1112     "'grykangaroo$', 'kangaroo$', 'ngaroo$', 'ngrykangaroo$', "
1113     "'o$', 'oo$', 'roo$', 'rykangaroo$', 'ykangaroo$']"
1114 )
1115 assert (
1116     str(suffix_arr)
1117     in "['$', 'angaroo$', 'angrykangaroo$', 'aroo$', 'garoo$', 'grykangaroo$',"
1118     " 'kangaroo$', 'ngaroo$', 'ngrykangaroo$', 'o$', 'oo$', 'roo$', 'rykangaroo$',"
1119     " 'ykangaroo$']"
1120 )
1121 assert (
1122     str(suffix_arr)
1123     not in "['$', 'angaroo$', 'angrykangaroo$', 'aroo$', 'garoo$', 'grykangaroo$',"
1124     " 'kangaroo$', 'ngaroo$', 'ngrykangaroo$', 'o$', 'oo$', 'roo$',"
1125     " 'rykangaroo$', 'ykangaroo$']"
1126 )
1127 message = (
1128     f"1. Go to Google Developers Console and log in with your Google account."
1129     f"(https://console.developers.google.com/)"
1130     f"2. You should be prompted to create a new project (name does not matter)."
1131     f"3. Click on Enable APIs and Services at the top."
1132     f"4. In the list of APIs choose or search for YouTube Data API v3 and "
1133     f"click on it. Choose Enable."
1134     f"5. Click on Credentials on the left navigation bar."
1135     f"6. Click on Create Credential at the top."
1136     f'7. At the top click the link for "API key".'
1137     f"8. No application restrictions are needed. Click Create at the bottom."
1138     f"9. You now have a key to add to `{{prefix}}set api youtube api_key`"
1139 )
1140 message = (
1141     f"1. Go to Google Developers Console and log in with your Google account."
1142     f"(https://console.developers.google.com/)"
1143     f"2. You should be prompted to create a new project (name does not matter)."
1144     f"3. Click on Enable APIs and Services at the top."
1145     f"4. In the list of APIs choose or search for YouTube Data API v3 and "
1146     f"click on it. Choose Enable."
1147     f"5. Click on Credentials on the left navigation bar."
1148     f"6. Click on Create Credential at the top."
1149     f'7. At the top click the link for "API key".'
1150     f"8. No application restrictions are needed. Click Create at the bottom."
1151     f"9. You now have a key to add to `{{prefix}}set api youtube api_key`"
1152 )
1153 message = (
1154     "1. Go to Google Developers Console and log in with your Google account."
1155     "(https://console.developers.google.com/)"
1156     "2. You should be prompted to create a new project (name does not matter)."
1157     "3. Click on Enable APIs and Services at the top."
1158     "4. In the list of APIs choose or search for YouTube Data API v3 and "
1159     "click on it. Choose Enable."
1160     "5. Click on Credentials on the left navigation bar."
1161     "6. Click on Create Credential at the top."
1162     '7. At the top click the link for "API key".'
1163     "8. No application restrictions are needed. Click Create at the bottom."
1164     f"9. You now have a key to add to `{prefix}set api youtube api_key`"
1165 )
1166
1167 # It shouldn't matter if the string prefixes are capitalized.
1168 temp_msg = (
1169     f"{F'{humanize_number(pos)}.': <{pound_len+2}} "
1170     f"{balance: <{bal_len + 5}} "
1171     f"<<{author.display_name}>>\n"
1172 )
1173
1174 fstring = f"We have to remember to escape {braces}. Like {{these}}. But not {this}."
1175
1176 welcome_to_programming = R"hello," R" world!"
1177
1178 fstring = (
1179     f"f-strings definitely make things more {difficult} than they need to be for"
1180     " {black}. But boy they sure are handy. The problem is that some lines will need"
1181     f" to have the 'f' whereas others do not. This {line}, for example, needs one."
1182 )
1183
1184 x = (
1185     "This is a long string which contains an f-expr that should not split"
1186     f" {{{[i for i in range(5)]}}}."
1187 )
1188
1189 x = (
1190     "\N{BLACK RIGHT-POINTING TRIANGLE WITH DOUBLE VERTICAL BAR}\N{VARIATION SELECTOR-16}"
1191 )
1192
1193 xxxxxx_xxx_xxxx_xx_xxxxx_xxxxxxxx_xxxxxxxx_xxxxxxxxxx_xxxx_xxxx_xxxxx = xxxx.xxxxxx.xxxxxxxxx.xxxxxxxxxxxxxxxxxxxx(
1194     xx_xxxxxx={
1195         "x3_xxxxxxxx": (
1196             "xxx3_xxxxx_xxxxxxxx_xxxxxxxx_xxxxxxxxxx_xxxxxxxx_xxxxxx_xxxxxxx"
1197         ),
1198     },
1199 )
1200
1201 # Regression test for https://github.com/psf/black/issues/3117.
1202 some_dict = {
1203     "something_something": (
1204         r"Lorem ipsum dolor sit amet, an sed convenire eloquentiam \t"
1205         r"signiferumque, duo ea vocibus consetetur scriptorem. Facer \t"
1206     ),
1207 }
1208
1209 # Regression test for https://github.com/psf/black/issues/3459.
1210 xxxx(
1211     empty_str_as_first_split=(
1212         ""
1213         f"xxxxxxx {xxxxxxxxxx} xxx xxxxxxxxxx xxxxx xxx xxx xx "
1214         "xxxxx xxxxxxxxx xxxxxxx, xxx xxxxxxxxxxx xxx xxxxx. "
1215         f"xxxxxxxxxxxxx xxxx xx xxxxxxxxxx. xxxxx: {x.xxx}"
1216     ),
1217     empty_u_str_as_first_split=(
1218         ""
1219         f"xxxxxxx {xxxxxxxxxx} xxx xxxxxxxxxx xxxxx xxx xxx xx "
1220         "xxxxx xxxxxxxxx xxxxxxx, xxx xxxxxxxxxxx xxx xxxxx. "
1221         f"xxxxxxxxxxxxx xxxx xx xxxxxxxxxx. xxxxx: {x.xxx}"
1222     ),
1223 )