On 01.10.12 22:54, philip.jenvey wrote:
http://hg.python.org/cpython/rev/fb90e2ff95b7
changeset: 79378:fb90e2ff95b7
user: Philip Jenvey <[email protected]>
date: Mon Oct 01 12:53:43 2012 -0700
summary:
utilize yield from
This is not all.
diff -r fb90e2ff95b7 Lib/http/cookiejar.py
--- a/Lib/http/cookiejar.py Mon Oct 01 12:53:43 2012 -0700
+++ b/Lib/http/cookiejar.py Tue Oct 02 00:28:41 2012 +0300
@@ -1193,8 +1193,7 @@
pass
else:
mapping = True
- for subobj in deepvalues(obj):
- yield subobj
+ yield from deepvalues(obj)
if not mapping:
yield obj
diff -r fb90e2ff95b7 Lib/json/encoder.py
--- a/Lib/json/encoder.py Mon Oct 01 12:53:43 2012 -0700
+++ b/Lib/json/encoder.py Tue Oct 02 00:28:41 2012 +0300
@@ -305,8 +305,7 @@
chunks = _iterencode_dict(value, _current_indent_level)
else:
chunks = _iterencode(value, _current_indent_level)
- for chunk in chunks:
- yield chunk
+ yield from chunks
if newline_indent is not None:
_current_indent_level -= 1
yield '\n' + _indent * _current_indent_level
@@ -381,8 +380,7 @@
chunks = _iterencode_dict(value, _current_indent_level)
else:
chunks = _iterencode(value, _current_indent_level)
- for chunk in chunks:
- yield chunk
+ yield from chunks
if newline_indent is not None:
_current_indent_level -= 1
yield '\n' + _indent * _current_indent_level
@@ -404,11 +402,9 @@
elif isinstance(o, float):
yield _floatstr(o)
elif isinstance(o, (list, tuple)):
- for chunk in _iterencode_list(o, _current_indent_level):
- yield chunk
+ yield from _iterencode_list(o, _current_indent_level)
elif isinstance(o, dict):
- for chunk in _iterencode_dict(o, _current_indent_level):
- yield chunk
+ yield from _iterencode_dict(o, _current_indent_level)
else:
if markers is not None:
markerid = id(o)
@@ -416,8 +412,7 @@
raise ValueError("Circular reference detected")
markers[markerid] = o
o = _default(o)
- for chunk in _iterencode(o, _current_indent_level):
- yield chunk
+ yield from _iterencode(o, _current_indent_level)
if markers is not None:
del markers[markerid]
return _iterencode
diff -r fb90e2ff95b7 Lib/xml/etree/ElementPath.py
--- a/Lib/xml/etree/ElementPath.py Mon Oct 01 12:53:43 2012 -0700
+++ b/Lib/xml/etree/ElementPath.py Tue Oct 02 00:28:41 2012 +0300
@@ -105,14 +105,12 @@
def prepare_star(next, token):
def select(context, result):
for elem in result:
- for e in elem:
- yield e
+ yield from elem
return select
def prepare_self(next, token):
def select(context, result):
- for elem in result:
- yield elem
+ yield from result
return select
def prepare_descendant(next, token):
diff -r fb90e2ff95b7 Lib/xml/etree/ElementTree.py
--- a/Lib/xml/etree/ElementTree.py Mon Oct 01 12:53:43 2012 -0700
+++ b/Lib/xml/etree/ElementTree.py Tue Oct 02 00:28:41 2012 +0300
@@ -459,8 +459,7 @@
if tag is None or self.tag == tag:
yield self
for e in self._children:
- for e in e.iter(tag):
- yield e
+ yield from e.iter(tag)
# compatibility
def getiterator(self, tag=None):
@@ -487,8 +486,7 @@
if self.text:
yield self.text
for e in self:
- for s in e.itertext():
- yield s
+ yield from e.itertext()
if e.tail:
yield e.tail
diff -r fb90e2ff95b7 Tools/importbench/importbench.py
--- a/Tools/importbench/importbench.py Mon Oct 01 12:53:43 2012 -0700
+++ b/Tools/importbench/importbench.py Tue Oct 02 00:28:41 2012 +0300
@@ -46,8 +46,7 @@
module.__package__ = ''
with util.uncache(name):
sys.modules[name] = module
- for result in bench(name, repeat=repeat, seconds=seconds):
- yield result
+ yield from bench(name, repeat=repeat, seconds=seconds)
def builtin_mod(seconds, repeat):
@@ -56,9 +55,8 @@
if name in sys.modules:
del sys.modules[name]
# Relying on built-in importer being implicit.
- for result in bench(name, lambda: sys.modules.pop(name), repeat=repeat,
- seconds=seconds):
- yield result
+ yield from bench(name, lambda: sys.modules.pop(name), repeat=repeat,
+ seconds=seconds)
def source_wo_bytecode(seconds, repeat):
@@ -73,9 +71,8 @@
loader = (importlib.machinery.SourceFileLoader,
importlib.machinery.SOURCE_SUFFIXES, True)
sys.path_hooks.append(importlib.machinery.FileFinder.path_hook(loader))
- for result in bench(name, lambda: sys.modules.pop(name), repeat=repeat,
- seconds=seconds):
- yield result
+ yield from bench(name, lambda: sys.modules.pop(name), repeat=repeat,
+ seconds=seconds)
finally:
sys.dont_write_bytecode = False
@@ -89,9 +86,8 @@
os.unlink(bytecode_path)
sys.dont_write_bytecode = True
try:
- for result in bench(name, lambda: sys.modules.pop(name),
- repeat=repeat, seconds=seconds):
- yield result
+ yield from bench(name, lambda: sys.modules.pop(name),
+ repeat=repeat, seconds=seconds)
finally:
sys.dont_write_bytecode = False
@@ -127,8 +123,7 @@
def cleanup():
sys.modules.pop(name)
os.unlink(imp.cache_from_source(module.__file__))
- for result in bench(name, cleanup, repeat=repeat, seconds=seconds):
- yield result
+ yield from bench(name, cleanup, repeat=repeat, seconds=seconds)
writing_bytecode_benchmark.__doc__ = (
writing_bytecode_benchmark.__doc__.format(name))
@@ -148,9 +143,8 @@
sys.path_hooks.append(importlib.machinery.FileFinder.path_hook(loader))
py_compile.compile(mapping[name])
assert os.path.exists(imp.cache_from_source(mapping[name]))
- for result in bench(name, lambda: sys.modules.pop(name), repeat=repeat,
- seconds=seconds):
- yield result
+ yield from bench(name, lambda: sys.modules.pop(name), repeat=repeat,
+ seconds=seconds)
def _using_bytecode(module):
@@ -158,9 +152,8 @@
def using_bytecode_benchmark(seconds, repeat):
"""Source w/ bytecode: {}"""
py_compile.compile(module.__file__)
- for result in bench(name, lambda: sys.modules.pop(name), repeat=repeat,
- seconds=seconds):
- yield result
+ yield from bench(name, lambda: sys.modules.pop(name), repeat=repeat,
+ seconds=seconds)
using_bytecode_benchmark.__doc__ = (
using_bytecode_benchmark.__doc__.format(name))
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