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Rename 'proto' keyword arg to 'protocol' . Greg Ward's suggestion.

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This commit is contained in:
Guido van Rossum 2003-02-09 17:19:41 +00:00
parent d58f3fce3d
commit cf117b0b40
1 changed files with 17 additions and 17 deletions
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34
Lib/pickle.py
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@ -167,11 +167,11 @@ del x
class Pickler: class Pickler:
def __init__(self, file, proto=None, bin=None): def __init__(self, file, protocol=None, bin=None):
"""This takes a file-like object for writing a pickle data stream. """This takes a file-like object for writing a pickle data stream.
The optional proto argument tells the pickler to use the given The optional protocol argument tells the pickler to use the
protocol; supported protocols are 0, 1, 2. The default given protocol; supported protocols are 0, 1, 2. The default
protocol is 0, to be backwards compatible. (Protocol 0 is the protocol is 0, to be backwards compatible. (Protocol 0 is the
only protocol that can be written to a file opened in text only protocol that can be written to a file opened in text
mode and read back successfully. When using a protocol higher mode and read back successfully. When using a protocol higher
@ -191,22 +191,22 @@ class Pickler:
object, or any other custom object that meets this interface. object, or any other custom object that meets this interface.
""" """
if proto is not None and bin is not None: if protocol is not None and bin is not None:
raise ValueError, "can't specify both 'proto' and 'bin' arguments" raise ValueError, "can't specify both 'protocol' and 'bin'"
if bin is not None: if bin is not None:
warnings.warn("The 'bin' argument to Pickler() is deprecated", warnings.warn("The 'bin' argument to Pickler() is deprecated",
PendingDeprecationWarning) PendingDeprecationWarning)
proto = bin protocol = bin
if proto is None: if protocol is None:
proto = 0 protocol = 0
if proto < 0: if protocol < 0:
proto = 2 protocol = 2
elif proto not in (0, 1, 2): elif protocol not in (0, 1, 2):
raise ValueError, "pickle protocol must be 0, 1 or 2" raise ValueError, "pickle protocol must be 0, 1 or 2"
self.write = file.write self.write = file.write
self.memo = {} self.memo = {}
self.proto = int(proto) self.proto = int(protocol)
self.bin = proto >= 1 self.bin = protocol >= 1
self.fast = 0 self.fast = 0
def clear_memo(self): def clear_memo(self):
@ -1369,12 +1369,12 @@ try:
except ImportError: except ImportError:
from StringIO import StringIO from StringIO import StringIO
def dump(obj, file, proto=None, bin=None): def dump(obj, file, protocol=None, bin=None):
Pickler(file, proto, bin).dump(obj) Pickler(file, protocol, bin).dump(obj)
def dumps(obj, proto=None, bin=None): def dumps(obj, protocol=None, bin=None):
file = StringIO() file = StringIO()
Pickler(file, proto, bin).dump(obj) Pickler(file, protocol, bin).dump(obj)
return file.getvalue() return file.getvalue()
def load(file): def load(file):