Python 環境構築方法 2016

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Keynote LiveͰ ͜ͷεϥΠυΛ഑৴ͯ͠·͢ɻ

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͓લ୭Α • ໊લɿ  ௶಺ ༝޹ (@2box2bo) • blogɿ  http://www.zumwalt.info/blog • ॴଐ  EjectίϚϯυϢʔβʔձ  http://eject.kokuda.org/  Python౦ւ (ڞಉ؅ཧਓ)  http://connpass.com/series/292/

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ػցֶश໊ݹ԰ɺॳࢀՃͰ͢ɻ

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ͪͳΈʹ

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ػցֶश͸શ͘஌Γ·ͤΜʂ

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ͳͷͰ…

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Python؀ڥߏஙํ๏ͷ࿩Λ͠·͢

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ͦͯ͠ɺPython౦ւษڧձʹ དྷΔͷͰ͢…

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஌ͬͯΔɺ Python࢖Θͳ͍ͬͯํ͸ ૉ਺Ͱ΋਺͍͑ͯͯͩ͘͞

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Python؀ڥߏஙํ๏ 2016 ػցֶश ໊ݹ԰ ୈ7ճษڧձ 2016/10/15 @2box2bo

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஫ҙࣄ߲ • ͜ͷߏஙखॱ͸།ҰແೋͷखॱͰ͸͋Γ·ͤΜɻ    ҟ࿦͸ೝΊΔʂ • ͳΔ΂ࣦ͘ഊ͠ͳ͍खॱΛॻ͍ͯ·͕͢ɺࣦഊ͠ ͯ΋ٽ͔ͳ͍ɻ • ࣮ࢪ͸ࣗݾ੹೚Ͱɻ

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Pythonͬͯʁ • ػցֶशʮ͔͠ʯͰ͖ͳ͍ݴޠͰ͸͋Γ·ͤΜɻ • ػցֶशʮ΋ʯͰ͖ΔݴޠͰ͢ɻ • ػցֶशؔ࿈ͷϥΠϒϥϦ͸๛෋Ͱ͕͢ɺػցֶ शҎ֎Ͱ΋࢖ΘΕ͍ͯ·͢ɻ  ͨͱ͑͹ʮ͋ͱ΋͏1λʔϯ͚ͩ…ʯͰ༗໊ͳ Civilization4͸StaklessPythonͰॻ͔Εͯ·͢ɻ

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ϞϯςεϚʂ

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Agenda • PythonԾ૝؀ڥ • Linux(CentOS) ΁ͷΠϯετʔϧखॱ • macOS ΁ͷΠϯετʔϧखॱ • pyenv-virtualenvͷ࢖͍ํ • Windows10 ΁ͷΠϯετʔϧखॱ • Anacondaͷ࢖͍ํ

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PythonԾ૝؀ڥ

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໰. ҎԼͷҧ͍Λઆ໌͠ͳ͍͞ • pyenv • virtualenv • pyenv-virtualenv

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͜ͷ΍΍͕͜͠͞ॳ৺ऀΛ໎ΘͤΔ

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pyenv • ৭ʑͳPythonόʔδϣϯΛ؅ཧ͢Δπʔϧ • Python2ܥͱ3ܥΛ੾Γସ͑ͯ࢖͑Δ • shell΍σΟϨΫτϦͰ࢖༻͢ΔPythonΛࢦఆՄೳ • ಉҰόʔδϣϯͷPythonͰϥΠϒϥϦΛ੾Γସ͑ ͯ࢖͏͜ͱ͸Ͱ͖ͳ͍ • WindowsͰ͸࢖͑ͳ͍

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pyenv ͷΠϝʔδ Python 2.7 Python 2.6 Python 3.5 QZFOW CT OVNQZ CT OVNQZ

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virtualenv • ಉҰόʔδϣϯͷPythonͰ࢖༻͢ΔϥΠϒϥϦΛ ੾Γସ͑ͯ࢖͑ΔΑ͏ʹ͢Δπʔϧ • Python2ܥͱ3.2·Ͱͷ3ܥͰ࢖༻  Python3.3Ҏ߱͸pyvenvͱ͍͏πʔϧʹͳͬͨʁ • pyenv ͱ͸ແؔ܎ • pip ͰΠϯετʔϧͰ͖Δ • WindowsͰ΋࢖͑Δ

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virtualenv ͷΠϝʔδ bs4-test numpy-test develop WJSUVBMFOW CT OVNQZ CT OVNQZ Python 3.1

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pyenv-virtualenv • pyenvͰಉҰόʔδϣϯͷPythonͰϥΠϒϥϦΛ ੾Γସ͑ͯ࢖͑ΔΑ͏ʹͨ͠πʔϧ • virtualenv ͱ͸ແؔ܎ • ࡞ऀ͸pyenvͱಉ͡ํ • ΋ͪΖΜWindowsͰ͸࢖͑ͳ͍

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pyenv-virtualenv ͷΠϝʔδ Python 2.7 Python 2.7 Python 3.5 QZFOWWJSUVBMFOW CT OVNQZ CT OVNQZ bs4-test numpy-test develop

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؆୯ͳ·ͱΊ • pyenv • ෳ਺όʔδϣϯͷPythonΛ੾Γସ͑ͯ࢖͑Δɻ • WindowsͰ͸࢖͑ͳ͍ɻ • virtualenv • PythonͷϥΠϒϥϦ؀ڥΛ੾Γସ͑ͯ࢖͑Δɻ • WindowsͰ࢖͑Δɻ • pyenv-virtualenv • pyenvʹvirtualenvͷػೳΛ௥Ճ͢Δɻ • WindowsͰ͸࢖͑ͳ͍ɻ

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ௐ΂Δ࣌͸هࡌ͞Ε͍ͯΔͷ͕ virtualenvͳͷ͔ɺ pyenv-virtualenvͳͷ͔Λ ؾʹ͢Δɻ

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ࠓճߏங͢ΔPython؀ڥ • Linux (CentOS7)  pyenv + pyenv-virtualenv  • macOS Sierra  pyenv + pyenv-virtualenv  • Windows10  Anaconda

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OSඪ४ͰΠϯετʔϧ͞Ε͍ͯΔ  PythonΛมߋ͢Δͱؒҧ͍ͳ͘ τϥϒϧʹͳΓ·͢ɻ ※ ܦݧஊ

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Linux(CentOS) ΁ͷ Πϯετʔϧखॱ

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ߏங؀ڥ • CentOS Linux release 7.2.1511 (Core) • selinux ͸enforcing Ҏ֎Ͱ… • root࢖༻

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pyenv Πϯετʔϧ • ඞཁύοέʔδͷΠϯετʔϧ # yum install -y gcc gcc-c++ make git patch openssl-devel zlib-devel readline-devel sqlite- devel bzip2-devel • μ΢ϯϩʔυ # git clone https://github.com/yyuu/pyenv.git / usr/local/pyenv/

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pyenv Πϯετʔϧ • ؀ڥม਺ઃఆ # export PYENV_ROOT="/usr/local/pyenv" # export PATH=“/usr/local/pyenv/bin:$PATH" • python Πϯετʔϧ # pyenv install 3.5.2

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pyenv-virtualenv Πϯετʔϧ • pyenv-virtualenv Πϯετʔϧ # cd /usr/local/pyenv/plugins/ # git clone https://github.com/yyuu/pyenv-virtualenv.git # git clone https://github.com/yyuu/pyenv-virtualenvwrapper.git

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pyenv-virtualenv Πϯετʔϧ • ؀ڥม਺ઃఆ # cat <> ~/.bashrc if [ -f /usr/local/pyenv/bin/pyenv ]; then export PYENV_ROOT="/usr/local/pyenv" export PATH="/usr/local/pyenv/bin:\$PATH" eval "\$(pyenv init -)" PS1='(pyenv:\`pyenv version-name\`)'\$PS1 ﬁ EOF

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macOS ΁ͷ Πϯετʔϧखॱ

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ߏங؀ڥ • macOS Sierra 10.12 • HomeBrewΛ࢖༻

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HomeBrew Πϯετʔϧ • ඞཁύοέʔδͷΠϯετʔϧ $ ruby -e "$ curl -fsSL https:// raw.githubusercontent.com/Homebrew/install/ master/install ” • ҎԼ͕දࣔ͞ΕͨΒEnter Press RETURN to continue or any other key to abort

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pyenv-virtualenv Πϯετʔϧ • pyenv-virtualenv Πϯετʔϧ $ brew install pyenv-virtualenv • ؀ڥม਺ઃఆ $ echo 'export PYENV_ROOT="/usr/local/var/pyenv"' >> ~/.bash_profile $ echo 'if which pyenv > /dev/null then eval "$ pyenv init - " fi' >> ~/.bash_profile $ echo 'if which pyenv-virtualenv-init > /dev/null then eval "$ pyenv virtualenv-init - " fi' >> ~/.bash_profile $ source .bash_profile

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Python Πϯετʔϧ • Python Πϯετʔϧ $ pyenv install 3.5.2

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pyenv-virtualenvͷ࢖͍ํ

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pyenv-virtualenvͷ࢖͍ํ • Linuxɺmacڞ௨Ͱ͢ɻ • ΠϯετʔϧՄೳͳPythonͷҰཡදࣔ # pyenv install -l • python Πϯετʔϧ # pyenv install [Ұཡʹ͋Δόʔδϣϯ໊]

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pyenv-virtualenvͷ࢖͍ํ • python Ծ૝؀ڥ࡞੒ # pyenv virtualenv [Pythonόʔδϣϯ] [Ծ૝؀ڥ໊] ྫ) # pyenv virtualenv 2.7.11 Py2Base  # pyenv virtualenv Py2Base py2-test Ծ૝؀ڥ͔Β৽͍͠Ծ૝؀ڥΛ࡞ͬͨ৔߹͸ϥ ΠϒϥϦ౳΋Ҿ͖ܧ͕Ε·͢

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pyenv-virtualenvͷ࢖͍ํ • python Ծ૝؀ڥ࡟আ # pyenv uninstall [Ծ૝؀ڥ໊] ֬ೝ͕Ͱͯ͘ΔͷͰyesΛೖྗ

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pyenv-virtualenvͷ࢖͍ํ • ඪ४Ͱ࢖༻͢ΔPythonΛมߋ # pyenv global [Ծ૝؀ڥ໊] • ݱࡏͷshellͷPythonΛมߋ # pyenv shell [Ծ૝؀ڥ໊] • ݱࡏͷσΟϨΫτϦͷPythonΛมߋ # pyenv local [Ծ૝؀ڥ໊]

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pyenv-virtualenvͷ࢖͍ํ • Ծ૝؀ڥͷҰཡදࣔ # pyenv versions • PyEnvͷΞοϓσʔτ # cd /usr/local/pyenv # git pull   ৽͍͠VersionͷPythonΛΠϯετʔϧ͢Δ࣌ʹ ΞοϓσʔτΛ࣮ࢪ͢Δ

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Windows10 ΁ͷ Πϯετʔϧखॱ

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ߏங؀ڥ • Windows10 Version 1607 • pyenv͸ΠϯετʔϧͰ͖ͳ͍ͷͰAnaconda Λ࢖༻

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Anacondaͱ͸ • PythonΛ͓खܰʹΠϯετʔϧͰ͖Δπʔϧ • ෳ਺όʔδϣϯͷPython؅ཧ΍ಉҰόʔδϣϯ PythonͷϥΠϒϥϦ؅ཧ͕Մೳ • ηοτͰIPython΍Jupyter NotebookɺSpyder౳ ͷπʔϧ΍ϥΠϒϥϦ͕Πϯετʔϧ͞ΕΔɻ • miniconda Λ࢖͏ͱ࠷௿ݶͷPython؀ڥ͕Πϯε τʔϧ͞ΕΔɻ • WindowsҎ֎ʹ΋LinuxɺmacʹରԠ • LinuxɺmacͰ͸pyenvͱ૊Έ߹Θͤ΋Մೳ

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Anaconda μ΢ϯϩʔυ • Anaconda  https://www.continuum.io/downloads • miniconda  http://conda.pydata.org/miniconda.html • 3ܥΛબΜͰ΋ޙ͔Β2ܥͷΠϯετʔϧՄೳ  ٯʹ2ܥΛબΜͰ΋3ܥΛΠϯετʔϧՄೳ

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• GUIͰϙνϙνʔͬͱͳɻ Anaconda Πϯετʔϧ

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Anacondaͷ࢖͍ํ

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Anacondaͷ࢖͍ํ • ΠϯετʔϧՄೳͳPythonͷදࣔ > conda search • Ծ૝؀ڥߏங > conda create -n [໊લ] python=[Versionࢦఆ] • Ծ૝؀ڥҰཡදࣔ > conda env list

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Anacondaͷ࢖͍ํ • Ծ૝؀ڥ࡟আ > conda remove -n [໊લ] —all • Ծ૝؀ڥ੾Γସ͑ > activate [໊લ] • Ծ૝؀ڥΛൈ͚Δ > deavtivate

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Ͷɺ؆୯Ͱ͠ΐʁ

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No content

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͔͜͜Βએ఻(ຊ൪)

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Python౦ւͷ঺հ

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Python౦ւ͸ ϓϩάϥϛϯάݴޠ ʮPythonʯ ͷ౦ւ஍ํ ίϛϡχςΟͰ͢

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Python౦ւ • Pythonͷ౦ւ஍ํ஍ҬϩʔΧϧίϛϡχςΟ • ΏΔ;ΘͩΑʂ • PythonͬΆ͚Ε͹Կൃදͯ͠΋େৎ෉ͩΑʂ • ා͘ͳ͍Αʂ • PyͬͯͲ͔ͬʹ෇͍ͯΕ͹͍͍ͩͨOKʂʂ