prettyprint an unpacked list or tuple
(node)
| 256 | |
| 257 | # FIXME: start here |
| 258 | def n_list_unpack(node): |
| 259 | """ |
| 260 | prettyprint an unpacked list or tuple |
| 261 | """ |
| 262 | p = self.prec |
| 263 | self.prec = 100 |
| 264 | lastnode = node.pop() |
| 265 | lastnodetype = lastnode.kind |
| 266 | |
| 267 | # If this build list is inside a CALL_FUNCTION_VAR, |
| 268 | # then the first * has already been printed. |
| 269 | # Until I have a better way to check for CALL_FUNCTION_VAR, |
| 270 | # will assume that if the text ends in *. |
| 271 | last_was_star = self.f.getvalue().endswith("*") |
| 272 | |
| 273 | if lastnodetype.startswith("BUILD_LIST"): |
| 274 | self.write("[") |
| 275 | endchar = "]" |
| 276 | elif lastnodetype.startswith("BUILD_TUPLE"): |
| 277 | # Tuples can appear places that can NOT |
| 278 | # have parenthesis around them, like array |
| 279 | # subscripts. We check for that by seeing |
| 280 | # if a tuple item is some sort of slice. |
| 281 | no_parens = False |
| 282 | for n in node: |
| 283 | if n == "expr" and n[0].kind.startswith("build_slice"): |
| 284 | no_parens = True |
| 285 | break |
| 286 | pass |
| 287 | if no_parens: |
| 288 | endchar = "" |
| 289 | else: |
| 290 | self.write("(") |
| 291 | endchar = ")" |
| 292 | pass |
| 293 | |
| 294 | elif lastnodetype.startswith("BUILD_SET"): |
| 295 | self.write("{") |
| 296 | endchar = "}" |
| 297 | elif lastnodetype.startswith("BUILD_MAP_UNPACK"): |
| 298 | self.write("{*") |
| 299 | endchar = "}" |
| 300 | elif lastnodetype.startswith("ROT_TWO"): |
| 301 | self.write("(") |
| 302 | endchar = ")" |
| 303 | else: |
| 304 | raise TypeError( |
| 305 | "Internal Error: n_build_list expects list, tuple, set, or unpack" |
| 306 | ) |
| 307 | |
| 308 | flat_elems = flatten_list(node) |
| 309 | |
| 310 | self.indent_more(INDENT_PER_LEVEL) |
| 311 | sep = "" |
| 312 | for elem in flat_elems: |
| 313 | if elem in ("ROT_THREE", "EXTENDED_ARG"): |
| 314 | continue |
| 315 | assert elem == "expr" |
nothing calls this directly
no test coverage detected