Code modernization. Replace v=s[i]; del s[i] with single lookup v=s.pop(i)
diff --git a/Lib/pickle.py b/Lib/pickle.py
index f29df51..e553920 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -692,11 +692,7 @@
dispatch[PERSID] = load_persid
def load_binpersid(self):
- stack = self.stack
-
- pid = stack[-1]
- del stack[-1]
-
+ pid = self.stack.pop()
self.append(self.persistent_load(pid))
dispatch[BINPERSID] = load_binpersid
@@ -977,8 +973,7 @@
def load_append(self):
stack = self.stack
- value = stack[-1]
- del stack[-1]
+ value = stack.pop()
list = stack[-1]
list.append(value)
dispatch[APPEND] = load_append
@@ -995,9 +990,8 @@
def load_setitem(self):
stack = self.stack
- value = stack[-1]
- key = stack[-2]
- del stack[-2:]
+ value = stack.pop()
+ key = stack.pop()
dict = stack[-1]
dict[key] = value
dispatch[SETITEM] = load_setitem
@@ -1014,8 +1008,7 @@
def load_build(self):
stack = self.stack
- value = stack[-1]
- del stack[-1]
+ value = stack.pop()
inst = stack[-1]
try:
setstate = inst.__setstate__
@@ -1038,8 +1031,7 @@
dispatch[MARK] = load_mark
def load_stop(self):
- value = self.stack[-1]
- del self.stack[-1]
+ value = self.stack.pop()
raise _Stop(value)
dispatch[STOP] = load_stop