差分

このページの2つのバージョン間の差分を表示します。

--- python:python_install [2020/02/02 10:01] – [Python 2.7/3.8 の共存] ともやん
+++ python:python_install [2020/09/11 16:59] (現在) – ともやん
@@ 行 1: / 行 1: @@
-<html>
-  <style>
-    #result pre {
-      height: 200px;
-      overflow: scroll;
-      overflow-x: hidden;
-    }
-  </style>
-</html>
 ====== Python のインストール ======
@@ 行 18: / 行 9: @@
 ===== Windows 編 =====
+==== Scoop によるインストール ====
+[[windows:scoop|Scoop]] をインストールする。\\
+ダウンロード元として **versions** バケットを追加する。\\
+<code>
+$ scoop bucket add versions
+</code>
+<WRAP prewrap 100% #result>
+<code>
+Checking repo... ok
+The versions bucket was added successfully.
+</code>
+</WRAP>
+**python**、**python27** をインストールする。\\
+<code powershell>
+$ scoop install python python27
+</code>
+<WRAP prewrap 100% #result_long>
+<code powershell>
+Installing 'lessmsi' (1.6.91) [64bit]
+lessmsi-v1.6.91.zip (495.0 KB) [==============================================================================] 100%
+Checking hash of lessmsi-v1.6.91.zip ... ok.
+Extracting lessmsi-v1.6.91.zip ... done.
+Linking ~\scoop\apps\lessmsi\current => ~\scoop\apps\lessmsi\1.6.91
+Creating shim for 'lessmsi'.
+Creating shortcut for Less MSIérables (lessmsi-gui.exe)
+'lessmsi' (1.6.91) was installed successfully!
+Installing 'dark' (3.11.2) [64bit]
+dark-3.11.2.zip (3.5 MB) [====================================================================================] 100%
+Checking hash of dark-3.11.2.zip ... ok.
+Extracting dark-3.11.2.zip ... done.
+Linking ~\scoop\apps\dark\current => ~\scoop\apps\dark\3.11.2
+Creating shim for 'dark'.
+'dark' (3.11.2) was installed successfully!
+Installing 'python' (3.8.2) [64bit]
+install-pep-514.reg (555 B) [=================================================================================] 100%
+Checking hash of install-pep-514.reg ... ok.
+uninstall-pep-514.reg (86 B) [================================================================================] 100%
+Checking hash of uninstall-pep-514.reg ... ok.
+python-3.8.2-amd64.exe (26.3 MB) [============================================================================] 100%
+Checking hash of python-3.8.2-amd64.exe ... ok.
+Running pre-install script...
+Running installer script...
+Linking ~\scoop\apps\python\current => ~\scoop\apps\python\3.8.2
+Creating shim for 'python'.
+Creating shim for 'pythonw'.
+Creating shim for 'python3'.
+Creating shim for 'idle'.
+Creating shim for 'idle3'.
+'python' (3.8.2) was installed successfully!
+Notes
+-----
+Allow applications and third-party installers to find python by running:
+"C:\Users\tomoyan\scoop\apps\python\current\install-pep-514.reg"
+Installing 'python27' (2.7.17) [64bit]
+python-2.7.17.amd64.msi (19.6 MB) [===========================================================================] 100%
+Checking hash of python-2.7.17.amd64.msi ... ok.
+Extracting python-2.7.17.amd64.msi ... done.
+Linking ~\scoop\apps\python27\current => ~\scoop\apps\python27\2.7.17
+Creating shim for 'python'.
+WARN  Overwriting shim to python.exe installed from python
+Creating shim for 'pythonw'.
+WARN  Overwriting shim to pythonw.exe installed from python
+Creating shim for 'python2'.
+Creating shim for 'idle'.
+WARN  Overwriting shim to idle.bat installed from python
+Creating shim for 'idle2'.
+Running post-install script...
+DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won't be maintained after that date. A future version of pip will drop support for Python 2.7. More details about Python 2 support in pip, can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support
+Looking in links: c:\users\tomoyan\appdata\local\temp\tmp1m0br9
+Collecting setuptools
+Collecting pip
+Installing collected packages: setuptools, pip
+Successfully installed pip-19.2.3 setuptools-41.2.0
+'python27' (2.7.17) was installed successfully!
+</code>
+</WRAP>
+**Visual Studio** などの外部アプリケーションが **Python** を自動検出できるようにする。\\
+<WRAP prewrap 100% #mincode>
+<code>
+Allow applications and third-party installers to find python by running:
+"C:\Users\tomoyan\scoop\apps\python\current\install-pep-514.reg"
+</code>
+</WRAP>
+<wrap hi>**重要 (翻訳):**</wrap>\\
+<WRAP prewrap 100% #mincode>
+<code>
+次のコマンドを実行して、アプリケーションとサードパーティのインストーラーがPythonを見つけられるようにします:
+"C:\Users\tomoyan\scoop\apps\python\current\install-pep-514.reg"
+</code>
+</WRAP>
+以下のコマンドを実行して、Windows レジストリに **Python** を登録する。\\
+([[https://www.python.org/dev/peps/pep-0514/|PEP 514 -- Python registration in the Windows registry | Python.org]])\\
+<WRAP prewrap 100%>
+<code powershell>
+$ . $env:USERPROFILE\scoop\apps\python\current\install-pep-514.reg
+</code>
+</WRAP>
+以下の問い合わせで「はい」をクリックする。\\
+{{python:regedit_pep-514_001.png?400|RegEdit Python PEP-514 001}}\\
+「OK」をクリックする。\\
+{{python:regedit_pep-514_002.png?400|RegEdit Python PEP-514 002}}\\
+<WRAP prewrap 100% #mincode>
+必要に応じて RegEdit で以下のキーを確認する。\\
+<code>
+HKEY_CURRENT_USER\SOFTWARE\Python\PythonCore
+</code>
+</WRAP>
+{{python:regedit_pep-514_003.png?640|RegEdit Python PEP-514 003}}\\
+**python** の動作確認。\\
+<code>
+$ python -VV
+</code>
+<WRAP prewrap 100% #result>
+<code>
+Python 3.8.2 (tags/v3.8.2:7b3ab59, Feb 25 2020, 23:03:10) [MSC v.1916 64 bit (AMD64)]
+</code>
+</WRAP>
+**python 2.7** へ切り替え。\\
+<code>
+$ scoop reset python27
+</code>
+<WRAP prewrap 100% #result>
+<code>
+Resetting python27 (2.7.17).
+Linking ~\scoop\apps\python27\current => ~\scoop\apps\python27\2.7.17
+Creating shim for 'python'.
+Creating shim for 'pythonw'.
+Creating shim for 'python2'.
+Creating shim for 'idle'.
+Creating shim for 'idle2'.
+</code>
+</WRAP>
+<code>
+$ python -VV
+</code>
+<WRAP prewrap 100% #result>
+<code>
+Python 3.8.2 (tags/v3.8.2:7b3ab59, Feb 25 2020, 23:03:10) [MSC v.1916 64 bit (AMD64)]
+</code>
+</WRAP>
+==== Python 公式よりダウンロード ====
   - [[https://www.python.org/|Welcome to Python.org]]の[[https://www.python.org/downloads/|Download Python | Python.org]]より最新バージョンをダウンロードしてくる。(ここでは [[https://www.python.org/ftp/python/3.8.1/python-3.8.1-amd64.exe|python-3.8.1-amd64.exe]] を使用する。)
   - ダウンロードした python-3.8.1-amd64.exe を実行して、[Customize installation] をクリックする。
@@ 行 128: / 行 272: @@
       Successfully uninstalled pip-19.2.3
 Successfully installed pip-20.0.2
+</code>
+  - **.py** の拡張子関連付けを **Python 3.8** に設定する。\\ コマンドプロンプトを管理者実行して以下のコマンドを実行する。<code>
+> assoc .py
+.py=Python.File
+> ftype Python.File
+Python.File="C:\Python27\python.exe" "%1" %*
+> ftype Python.File="C:\Python38\python.exe" "%1" %*
+Python.File="C:\Python38\python.exe" "%1" %*
 </code>
@@ 行 193: / 行 347: @@
 Python 3.2.3
 </code>
+===== 参考文献 =====
+[[https://github.com/lukesampson/scoop/wiki/Switching-Ruby-And-Python-Versions|Switching Ruby and Python Versions · lukesampson/scoop Wiki]]\\