def get_statement_startend2(lineno, node):
import ast
# flatten all statements and except handlers into one lineno-list
# AST's line numbers start indexing at 1
l = []
for x in ast.walk(node):
if isinstance(x, _ast.stmt) or isinstance(x, _ast.ExceptHandler):
l.append(x.lineno - 1)
for name in "finalbody", "orelse":
val = getattr(x, name, None)
if val:
# treat the finally/orelse part as its own statement
l.append(val[0].lineno - 1 - 1)
l.sort()
insert_index = bisect_right(l, lineno)
start = l[insert_index - 1]
if insert_index >= len(l):
end = None
else:
end = l[insert_index]
return start, end
python类ExceptHandler()的实例源码
def get_statement_startend2(lineno, node):
import ast
# flatten all statements and except handlers into one lineno-list
# AST's line numbers start indexing at 1
l = []
for x in ast.walk(node):
if isinstance(x, _ast.stmt) or isinstance(x, _ast.ExceptHandler):
l.append(x.lineno - 1)
for name in "finalbody", "orelse":
val = getattr(x, name, None)
if val:
# treat the finally/orelse part as its own statement
l.append(val[0].lineno - 1 - 1)
l.sort()
insert_index = bisect_right(l, lineno)
start = l[insert_index - 1]
if insert_index >= len(l):
end = None
else:
end = l[insert_index]
return start, end
def get_statement_startend2(lineno, node):
import ast
# flatten all statements and except handlers into one lineno-list
# AST's line numbers start indexing at 1
l = []
for x in ast.walk(node):
if isinstance(x, _ast.stmt) or isinstance(x, _ast.ExceptHandler):
l.append(x.lineno - 1)
for name in "finalbody", "orelse":
val = getattr(x, name, None)
if val:
# treat the finally/orelse part as its own statement
l.append(val[0].lineno - 1 - 1)
l.sort()
insert_index = bisect_right(l, lineno)
start = l[insert_index - 1]
if insert_index >= len(l):
end = None
else:
end = l[insert_index]
return start, end
def get_statement_startend2(lineno, node):
import ast
# flatten all statements and except handlers into one lineno-list
# AST's line numbers start indexing at 1
l = []
for x in ast.walk(node):
if isinstance(x, _ast.stmt) or isinstance(x, _ast.ExceptHandler):
l.append(x.lineno - 1)
for name in "finalbody", "orelse":
val = getattr(x, name, None)
if val:
# treat the finally/orelse part as its own statement
l.append(val[0].lineno - 1 - 1)
l.sort()
insert_index = bisect_right(l, lineno)
start = l[insert_index - 1]
if insert_index >= len(l):
end = None
else:
end = l[insert_index]
return start, end
def get_statement_startend2(lineno, node):
import ast
# flatten all statements and except handlers into one lineno-list
# AST's line numbers start indexing at 1
l = []
for x in ast.walk(node):
if isinstance(x, _ast.stmt) or isinstance(x, _ast.ExceptHandler):
l.append(x.lineno - 1)
for name in "finalbody", "orelse":
val = getattr(x, name, None)
if val:
# treat the finally/orelse part as its own statement
l.append(val[0].lineno - 1 - 1)
l.sort()
insert_index = bisect_right(l, lineno)
start = l[insert_index - 1]
if insert_index >= len(l):
end = None
else:
end = l[insert_index]
return start, end
def get_statement_startend2(lineno, node):
import ast
# flatten all statements and except handlers into one lineno-list
# AST's line numbers start indexing at 1
l = []
for x in ast.walk(node):
if isinstance(x, _ast.stmt) or isinstance(x, _ast.ExceptHandler):
l.append(x.lineno - 1)
for name in "finalbody", "orelse":
val = getattr(x, name, None)
if val:
# treat the finally/orelse part as its own statement
l.append(val[0].lineno - 1 - 1)
l.sort()
insert_index = bisect_right(l, lineno)
start = l[insert_index - 1]
if insert_index >= len(l):
end = None
else:
end = l[insert_index]
return start, end
def get_statement_startend2(lineno, node):
import ast
# flatten all statements and except handlers into one lineno-list
# AST's line numbers start indexing at 1
l = []
for x in ast.walk(node):
if isinstance(x, _ast.stmt) or isinstance(x, _ast.ExceptHandler):
l.append(x.lineno - 1)
for name in "finalbody", "orelse":
val = getattr(x, name, None)
if val:
# treat the finally/orelse part as its own statement
l.append(val[0].lineno - 1 - 1)
l.sort()
insert_index = bisect_right(l, lineno)
start = l[insert_index - 1]
if insert_index >= len(l):
end = None
else:
end = l[insert_index]
return start, end
def get_statement_startend2(lineno, node):
import ast
# flatten all statements and except handlers into one lineno-list
# AST's line numbers start indexing at 1
l = []
for x in ast.walk(node):
if isinstance(x, _ast.stmt) or isinstance(x, _ast.ExceptHandler):
l.append(x.lineno - 1)
for name in "finalbody", "orelse":
val = getattr(x, name, None)
if val:
# treat the finally/orelse part as its own statement
l.append(val[0].lineno - 1 - 1)
l.sort()
insert_index = bisect_right(l, lineno)
start = l[insert_index - 1]
if insert_index >= len(l):
end = None
else:
end = l[insert_index]
return start, end
def get_statement_startend2(lineno, node):
import ast
# flatten all statements and except handlers into one lineno-list
# AST's line numbers start indexing at 1
l = []
for x in ast.walk(node):
if isinstance(x, _ast.stmt) or isinstance(x, _ast.ExceptHandler):
l.append(x.lineno - 1)
for name in "finalbody", "orelse":
val = getattr(x, name, None)
if val:
# treat the finally/orelse part as its own statement
l.append(val[0].lineno - 1 - 1)
l.sort()
insert_index = bisect_right(l, lineno)
start = l[insert_index - 1]
if insert_index >= len(l):
end = None
else:
end = l[insert_index]
return start, end
def get_statement_startend2(lineno, node):
import ast
# flatten all statements and except handlers into one lineno-list
# AST's line numbers start indexing at 1
l = []
for x in ast.walk(node):
if isinstance(x, _ast.stmt) or isinstance(x, _ast.ExceptHandler):
l.append(x.lineno - 1)
for name in "finalbody", "orelse":
val = getattr(x, name, None)
if val:
# treat the finally/orelse part as its own statement
l.append(val[0].lineno - 1 - 1)
l.sort()
insert_index = bisect_right(l, lineno)
start = l[insert_index - 1]
if insert_index >= len(l):
end = None
else:
end = l[insert_index]
return start, end
def get_statement_startend2(lineno, node):
import ast
# flatten all statements and except handlers into one lineno-list
# AST's line numbers start indexing at 1
l = []
for x in ast.walk(node):
if isinstance(x, _ast.stmt) or isinstance(x, _ast.ExceptHandler):
l.append(x.lineno - 1)
for name in "finalbody", "orelse":
val = getattr(x, name, None)
if val:
# treat the finally/orelse part as its own statement
l.append(val[0].lineno - 1 - 1)
l.sort()
insert_index = bisect_right(l, lineno)
start = l[insert_index - 1]
if insert_index >= len(l):
end = None
else:
end = l[insert_index]
return start, end
def visitTryExcept(self, node):
self.reduce(node.body)
self.reduce(node.orelse)
len_body = len(node.body)
if len_body == 0:
node.body.append(Pass(node))
for hndlr in node.handlers:
self.reduce(hndlr.body)
if len(hndlr.body) == 0:
hndlr.body.append(Pass(hndlr))
if len_body == 0:
node.handlers = [_ast.ExceptHandler(type=None, name=None, body=[Pass(node)], lineno=node.lineno, col_offset=node.col_offset)]
return len_body == 0 and len(node.orelse) == 0
