#?Copyright?2007?Google?Inc.?All?Rights?Reserved.
#?Licensed?to?PSF?under?a?Contributor?Agreement.

“““Abstract?base?Classes?（ABCs）?according?to?PEP?3119.“““

import?types

from?_weakrefset?import?WeakSet

#?Instance?of?old-style?class
class?_C:?pass
_InstanceType?=?type（_C（））


def?abstractmethod（funcobj）:
????“““A?decorator?indicating?abstract?methods.

????Requires?that?the?metaclass?is?ABCmeta?or?derived?from?it.??A
????class?that?has?a?metaclass?derived?from?ABCmeta?cannot?be
????instantiated?unless?all?of?its?abstract?methods?are?overridden.
????The?abstract?methods?can?be?called?using?any?of?the?normal
????‘super‘?call?mechanisms.

????Usage:

????????class?C:
????????????__metaclass__?=?ABCmeta
????????????@abstractmethod
????????????def?my_abstract_method（self?...）:
????????????????...
????“““
????funcobj.__isabstractmethod__?=?True
????return?funcobj


class?abstractproperty（property）:
????“““A?decorator?indicating?abstract?properties.

????Requires?that?the?metaclass?is?ABCmeta?or?derived?from?it.??A
????class?that?has?a?metaclass?derived?from?ABCmeta?cannot?be
????instantiated?unless?all?of?its?abstract?properties?are?overridden.
????The?abstract?properties?can?be?called?using?any?of?the?normal
????‘super‘?call?mechanisms.

????Usage:

????????class?C:
????????????__metaclass__?=?ABCmeta
????????????@abstractproperty
????????????def?my_abstract_property（self）:
????????????????...

????This?defines?a?read-only?property;?you?can?also?define?a?read-write
????abstract?property?using?the?‘long‘?form?of?property?declaration:

????????class?C:
????????????__metaclass__?=?ABCmeta
????????????def?getx（self）:?...
????????????def?setx（self?value）:?...
????????????x?=?abstractproperty（getx?setx）
????“““
????__isabstractmethod__?=?True


class?ABCmeta（type）:

????“““metaclass?for?defining?Abstract?base?Classes?（ABCs）.

????Use?this?metaclass?to?create?an?ABC.??An?ABC?can?be?subclassed
????directly?and?then?acts?as?a?mix-in?class.??You?can?also?register
????unrelated?concrete?classes?（even?built-in?classes）?and?unrelated
????ABCs?as?‘virtual?subclasses‘?--?these?and?their?descendants?will
????be?considered?subclasses?of?the?registering?ABC?by?the?built-in
????issubclass（）?function?but?the?registering?ABC?won‘t?show?up?in
????their?MRO?（Method?Resolution?Order）?nor?will?method
????implementations?defined?by?the?registering?ABC?be?callable?（not
????even?via?super（））.

????“““

????#?A?global?counter?that?is?incremented?each?time?a?class?is
????#?registered?as?a?virtual?subclass?of?anything.??It?forces?the
????#?negative?cache?to?be?cleared?before?its?next?use.
????_abc_invalidation_counter?=?0

????def?__new__（mcls?name?bases?namespace）:
????????cls?=?super（ABCmeta?mcls）.__new__（mcls?name?bases?namespace）
????????#?Compute?set?of?abstract?method?names
????????abstracts?=?set（name
?????????????????????for?name?value?in?namespace.items（）
????????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2865??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\default_server_setup.bin

?????文件????1607530??2015-08-21?10:24??Master?Control?Panel\3.10.0.14\doc\MasterControlPanelHelp.chm

?????文件??????48418??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\firmware\nRF2739\mdhspi.0.9.15536.ehex

?????文件?????128375??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\firmware\pca10000\MEFW_nRF51822_0.10.0_firmware_1M.hex

?????文件?????147500??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\firmware\pca10000\MEFW_nrf51822_0.11.0_firmware_1M.hex

?????文件?????128256??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\firmware\pca10000\MEFW_nRF51822_0.9.0_firmware_115K2.hex

?????文件??????45056??2015-08-21?10:24??Master?Control?Panel\3.10.0.14\FlashProg.dll

?????文件??????75264??2015-08-21?10:24??Master?Control?Panel\3.10.0.14\hci_coder_net.dll

?????文件????1821184??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\IronPython.dll

?????文件?????747008??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\IronPython.Modules.dll

?????文件???????7330??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\abc.py

?????文件???????1770??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\atexit.py

?????文件???????2687??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\bisect.py

?????文件???????3408??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\buffer_test_main.py

?????文件??????36364??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\codecs.py

?????文件??????26030??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\collections.py

?????文件??????11952??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\copy.py

?????文件???????4769??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\dfu\dfu_master.py

?????文件???????5375??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\dfu\dfu_transport_me.py

?????文件????????469??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\dfu\log_handler.py

?????文件???????2604??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\dfu\main.py

?????文件??????11389??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\dfu\master_emulator.py

?????文件??????????0??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\dfu\__init__.py

?????文件???????4563??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\dummy_thread.py

?????文件???????2882??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\dummy_threading.py

?????文件??????15375??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\encodings\aliases.py

?????文件???????2388??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\encodings\hex_codec.py

?????文件???????5855??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\encodings\__init__.py

?????文件????????727??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\enum.py

?????文件???????3355??2015-08-21?10:23??Master?Control?Panel\3.10.0.14\lib\fnmatch.py

............此處省略157個文件信息