def getblock(lines):
"""Extract the block of code at the top of the given list of lines."""
blockfinder = inspect.BlockFinder()
try:
inspect.tokenize.tokenize(iter(lines).next, blockfinder.tokeneater)
except (inspect.EndOfBlock, IndentationError):
pass
return lines
def getblock(lines):
"""Extract the block of code at the top of the given list of lines."""
blockfinder = inspect.BlockFinder()
try:
tokens = inspect.tokenize.generate_tokens(iter(lines).__next__)
for _token in tokens:
blockfinder.tokeneater(*_token)
except (inspect.EndOfBlock, IndentationError):
pass
return lines # different to builtin inspect is here
def getstatementrange_ast(
lineno: int,
source: Source,
assertion: bool = False,
astnode: Optional[ast.AST] = None,
) -> Tuple[ast.AST, int, int]:
if astnode is None:
content = str(source)
# See #4260:
# don't produce duplicate warnings when compiling source to find ast
with warnings.catch_warnings():
warnings.simplefilter("ignore")
astnode = compile(content, "source", "exec", _AST_FLAG)
start, end = get_statement_startend2(lineno, astnode)
# we need to correct the end:
# - ast-parsing strips comments
# - there might be empty lines
# - we might have lesser indented code blocks at the end
if end is None:
end = len(source.lines)
if end > start + 1:
# make sure we don't span differently indented code blocks
# by using the BlockFinder helper used which inspect.getsource() uses itself
block_finder = inspect.BlockFinder()
# if we start with an indented line, put blockfinder to "started" mode
block_finder.started = source.lines[start][0].isspace()
it = ((x + "\n") for x in source.lines[start:end])
try:
# Type ignored until next mypy release.
# https://github.com/python/typeshed/commit/c0d46a20353b733befb85d8b9cc24e5b0bcd8f9a
for tok in tokenize.generate_tokens(lambda: next(it)): # type: ignore
block_finder.tokeneater(*tok)
except (inspect.EndOfBlock, IndentationError):
end = block_finder.last + start
except Exception:
pass
# the end might still point to a comment or empty line, correct it
while end:
line = source.lines[end - 1].lstrip()
if line.startswith("#") or not line:
end -= 1
else:
break
return astnode, start, end
def getstatementrange_ast(
lineno: int,
source: Source,
assertion: bool = False,
astnode: Optional[ast.AST] = None,
) -> Tuple[ast.AST, int, int]:
if astnode is None:
content = str(source)
# See #4260:
# Don't produce duplicate warnings when compiling source to find AST.
with warnings.catch_warnings():
warnings.simplefilter("ignore")
astnode = ast.parse(content, "source", "exec")
start, end = get_statement_startend2(lineno, astnode)
# We need to correct the end:
# - ast-parsing strips comments
# - there might be empty lines
# - we might have lesser indented code blocks at the end
if end is None:
end = len(source.lines)
if end > start + 1:
# Make sure we don't span differently indented code blocks
# by using the BlockFinder helper used which inspect.getsource() uses itself.
block_finder = inspect.BlockFinder()
# If we start with an indented line, put blockfinder to "started" mode.
block_finder.started = source.lines[start][0].isspace()
it = ((x + "\n") for x in source.lines[start:end])
try:
for tok in tokenize.generate_tokens(lambda: next(it)):
block_finder.tokeneater(*tok)
except (inspect.EndOfBlock, IndentationError):
end = block_finder.last + start
except Exception:
pass
# The end might still point to a comment or empty line, correct it.
while end:
line = source.lines[end - 1].lstrip()
if line.startswith("#") or not line:
end -= 1
else:
break
return astnode, start, end
def getstatementrange_ast(lineno, source, assertion=False, astnode=None):
if astnode is None:
content = str(source)
if sys.version_info < (2, 7):
content += "\n"
try:
astnode = compile(content, "source", "exec", 1024) # 1024 for AST
except ValueError:
start, end = getstatementrange_old(lineno, source, assertion)
return None, start, end
start, end = get_statement_startend(lineno, getnodelist(astnode))
# we need to correct the end:
# - ast-parsing strips comments
# - else statements do not have a separate lineno
# - there might be empty lines
# - we might have lesser indented code blocks at the end
if end is None:
end = len(source.lines)
if end > start + 1:
# make sure we don't span differently indented code blocks
# by using the BlockFinder helper used which inspect.getsource() uses itself
block_finder = inspect.BlockFinder()
# if we start with an indented line, put blockfinder to "started" mode
block_finder.started = source.lines[start][0].isspace()
it = ((x + "\n") for x in source.lines[start:end])
try:
for tok in tokenize.generate_tokens(lambda: next(it)):
block_finder.tokeneater(*tok)
except (inspect.EndOfBlock, IndentationError) as e:
end = block_finder.last + start
#except Exception:
# pass
# the end might still point to a comment, correct it
while end:
line = source.lines[end - 1].lstrip()
if line.startswith("#"):
end -= 1
else:
break
return astnode, start, end
