remove getstatementrange_old - its documented for python <= 2.4

This commit is contained in:
Ronny Pfannschmidt 2018-03-09 14:48:28 +01:00
parent 74884b1901
commit a406ca14d6
1 changed files with 2 additions and 40 deletions

View File

@ -332,11 +332,8 @@ def get_statement_startend2(lineno, node):
def getstatementrange_ast(lineno, source, assertion=False, astnode=None):
if astnode is None:
content = str(source)
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_startend2(lineno, astnode)
# we need to correct the end:
# - ast-parsing strips comments
@ -368,38 +365,3 @@ def getstatementrange_ast(lineno, source, assertion=False, astnode=None):
else:
break
return astnode, start, end
def getstatementrange_old(lineno, source, assertion=False):
""" return (start, end) tuple which spans the minimal
statement region which containing the given lineno.
raise an IndexError if no such statementrange can be found.
"""
# XXX this logic is only used on python2.4 and below
# 1. find the start of the statement
from codeop import compile_command
for start in range(lineno, -1, -1):
if assertion:
line = source.lines[start]
# the following lines are not fully tested, change with care
if 'super' in line and 'self' in line and '__init__' in line:
raise IndexError("likely a subclass")
if "assert" not in line and "raise" not in line:
continue
trylines = source.lines[start:lineno + 1]
# quick hack to prepare parsing an indented line with
# compile_command() (which errors on "return" outside defs)
trylines.insert(0, 'def xxx():')
trysource = '\n '.join(trylines)
# ^ space here
try:
compile_command(trysource)
except (SyntaxError, OverflowError, ValueError):
continue
# 2. find the end of the statement
for end in range(lineno + 1, len(source) + 1):
trysource = source[start:end]
if trysource.isparseable():
return start, end
raise SyntaxError("no valid source range around line %d " % (lineno,))