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{\rtf1\ansi\ansicpg1252\cocoartf1504\cocoasubrtf750
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{\colortbl;\red255\green255\blue255;}
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\margl1440\margr1440\vieww13380\viewh14600\viewkind0
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\f0\fs24 \cf0 This package will install Python $FULL_VERSION for Mac OS X $MACOSX_DEPLOYMENT_TARGET for the following architecture(s): $ARCHITECTURES.\
\
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\b \cf0 \ul \ulc0 Which installer variant should I use?
\b0 \ulnone \
\
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\b \cf0 **NEW**
\b0 For Python 3.6, the python.org website now provides only one installer variant for download: one that installs a
\i 64-bit/32-bit Intel
\i0 Python capable of running on
\i Mac OS X 10.6 (Snow Leopard)
\i0 or later. This ReadMe was installed with the
\i $MACOSX_DEPLOYMENT_TARGET
\i0 variant. By default, Python will automatically run in 64-bit mode if your system supports it. The Python installed by this installer is built with private copies of some third-party libraries not included with or newer than those in OS X itself. The list of these libraries is included at the end of the License.rtf file.
\b \ul \
\
Certificate verification and OpenSSL\
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\b0 \cf0 \ulnone \
\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural\partightenfactor0
\b \cf0 **NEW**
\b0 This variant of Python 3.6 now includes its own private copy of OpenSSL 1.0.2. Unlike previous releases, the deprecated Apple-supplied OpenSSL libraries are no longer used. This also means that the trust certificates in system and user keychains managed by the
\i Keychain Access
\i0 application and the
\i security
\i0 command line utility are no longer used as defaults by the Python
\f1 ssl
\f0 module. For 3.6.0, a sample command script is included in
\f1 /Applications/Python 3.6
\f0 to install a curated bundle of default root certificates from the third-party
\f1 certifi
\f0 package ({\field{\*\fldinst{HYPERLINK "https://pypi.python.org/pypi/certifi"}}{\fldrslt https://pypi.python.org/pypi/certifi}}). If you choose to use
\f1 certifi
\f0 , you should consider subscribing to the{\field{\*\fldinst{HYPERLINK "https://certifi.io/en/latest/"}}{\fldrslt project's email update service}} to be notified when the certificate bundle is updated.\
\
The bundled
\f1 pip
\f0 included with the Python 3.6 installer has its own default certificate store for verifying download connections.\
\
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\b \cf0 \ul Update your version of Tcl/Tk to use IDLE or other Tk applications
\b0 \ulnone \
\
To use IDLE or other programs that use the Tkinter graphical user interface toolkit, you need to install a newer third-party version of the
\i Tcl/Tk
\i0 frameworks. Visit {\field{\*\fldinst{HYPERLINK "https://www.python.org/download/mac/tcltk/"}}{\fldrslt https://www.python.org/download/mac/tcltk/}} for current information about supported and recommended versions of
\i Tcl/Tk
\i0 for this version of Python and of Mac OS X. For the initial release of Python 3.6, the installer is still linked with Tcl/Tk 8.5.\
\b \ul \
Other changes\
\b0 \ulnone \
For other changes in this release, see the
\i What's new
\i0 section in the {\field{\*\fldinst{HYPERLINK "https://www.python.org/doc/"}}{\fldrslt Documentation Set}} for this release and its
\i Release Notes
\i0 link at {\field{\*\fldinst{HYPERLINK "https://www.python.org/downloads/"}}{\fldrslt https://www.python.org/downloads/}}.\
\b \ul \
Python 3 and Python 2 Co-existence\
\b0 \ulnone \
Python.org Python $VERSION and 2.7.x versions can both be installed on your system and will not conflict. Command names for Python 3 contain a 3 in them,
\f1 python3
\f0 (or
\f1 python$VERSION
\f0 ),
\f1 idle3
\f0 (or i
\f1 dle$VERSION
\f0 ),
\f1 pip3
\f0 (or
\f1 pip$VERSION
\f0 ), etc. Python 2.7 command names contain a 2 or no digit:
\f1 python2
\f0 (or
\f1 python2.7
\f0 or
\f1 python
\f0 ),
\f1 idle2
\f0 (or
\f1 idle2.7
\f0 or
\f1 idle
\f0 ), etc.\
}
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