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2bo
October 16, 2016
Programming
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Python 環境構築方法 2016
機械学習名古屋 第7回勉強会 発表資料
2bo
October 16, 2016
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Transcript
Keynote LiveͰ ͜ͷεϥΠυΛ৴ͯ͠·͢ɻ
͓લ୭Α • ໊લɿ ௶ ༝ (@2box2bo) • blogɿ http://www.zumwalt.info/blog •
ॴଐ EjectίϚϯυϢʔβʔձ http://eject.kokuda.org/ Python౦ւ (ڞಉཧਓ) http://connpass.com/series/292/
ػցֶश໊ݹɺॳࢀՃͰ͢ɻ
ͪͳΈʹ
ػցֶशશ͘Γ·ͤΜʂ
ͳͷͰ…
Pythonڥߏஙํ๏ͷΛ͠·͢
ͦͯ͠ɺPython౦ւษڧձʹ དྷΔͷͰ͢…
ͬͯΔɺ PythonΘͳ͍ͬͯํ ૉͰ͍͑ͯͯͩ͘͞
Pythonڥߏஙํ๏ 2016 ػցֶश ໊ݹ ୈ7ճษڧձ 2016/10/15 @2box2bo
ҙࣄ߲ • ͜ͷߏஙखॱ།ҰແೋͷखॱͰ͋Γ·ͤΜɻ ҟೝΊΔʂ • ͳΔࣦ͘ഊ͠ͳ͍खॱΛॻ͍ͯ·͕͢ɺࣦഊ͠ ͯٽ͔ͳ͍ɻ • ࣮ࢪࣗݾͰɻ
Pythonͬͯʁ • ػցֶशʮ͔͠ʯͰ͖ͳ͍ݴޠͰ͋Γ·ͤΜɻ • ػցֶशʮʯͰ͖ΔݴޠͰ͢ɻ • ػցֶशؔ࿈ͷϥΠϒϥϦ๛Ͱ͕͢ɺػցֶ शҎ֎ͰΘΕ͍ͯ·͢ɻ ͨͱ͑ʮ͋ͱ͏1λʔϯ͚ͩ…ʯͰ༗໊ͳ Civilization4StaklessPythonͰॻ͔Εͯ·͢ɻ
ϞϯςεϚʂ
Agenda • PythonԾڥ • Linux(CentOS) ͷΠϯετʔϧखॱ • macOS ͷΠϯετʔϧखॱ •
pyenv-virtualenvͷ͍ํ • Windows10 ͷΠϯετʔϧखॱ • Anacondaͷ͍ํ
PythonԾڥ
. ҎԼͷҧ͍Λઆ໌͠ͳ͍͞ • pyenv • virtualenv • pyenv-virtualenv
͜ͷ͕͜͠͞ॳ৺ऀΛ໎ΘͤΔ
pyenv • ৭ʑͳPythonόʔδϣϯΛཧ͢Δπʔϧ • Python2ܥͱ3ܥΛΓସ͑ͯ͑Δ • shellσΟϨΫτϦͰ༻͢ΔPythonΛࢦఆՄೳ • ಉҰόʔδϣϯͷPythonͰϥΠϒϥϦΛΓସ͑ ͯ͏͜ͱͰ͖ͳ͍
• WindowsͰ͑ͳ͍
pyenv ͷΠϝʔδ Python 2.7 Python 2.6 Python 3.5 QZFOW CT
OVNQZ CT OVNQZ
virtualenv • ಉҰόʔδϣϯͷPythonͰ༻͢ΔϥΠϒϥϦΛ Γସ͑ͯ͑ΔΑ͏ʹ͢Δπʔϧ • Python2ܥͱ3.2·Ͱͷ3ܥͰ༻ Python3.3Ҏ߱pyvenvͱ͍͏πʔϧʹͳͬͨʁ • pyenv ͱແؔ
• pip ͰΠϯετʔϧͰ͖Δ • WindowsͰ͑Δ
virtualenv ͷΠϝʔδ bs4-test numpy-test develop WJSUVBMFOW CT OVNQZ CT OVNQZ
Python 3.1
pyenv-virtualenv • pyenvͰಉҰόʔδϣϯͷPythonͰϥΠϒϥϦΛ Γସ͑ͯ͑ΔΑ͏ʹͨ͠πʔϧ • virtualenv ͱແؔ • ࡞ऀpyenvͱಉ͡ํ •
ͪΖΜWindowsͰ͑ͳ͍
pyenv-virtualenv ͷΠϝʔδ Python 2.7 Python 2.7 Python 3.5 QZFOWWJSUVBMFOW CT
OVNQZ CT OVNQZ bs4-test numpy-test develop
؆୯ͳ·ͱΊ • pyenv • ෳόʔδϣϯͷPythonΛΓସ͑ͯ͑Δɻ • WindowsͰ͑ͳ͍ɻ • virtualenv •
PythonͷϥΠϒϥϦڥΛΓସ͑ͯ͑Δɻ • WindowsͰ͑Δɻ • pyenv-virtualenv • pyenvʹvirtualenvͷػೳΛՃ͢Δɻ • WindowsͰ͑ͳ͍ɻ
ௐΔ࣌هࡌ͞Ε͍ͯΔͷ͕ virtualenvͳͷ͔ɺ pyenv-virtualenvͳͷ͔Λ ؾʹ͢Δɻ
ࠓճߏங͢ΔPythonڥ • Linux (CentOS7) pyenv + pyenv-virtualenv • macOS Sierra
pyenv + pyenv-virtualenv • Windows10 Anaconda
OSඪ४ͰΠϯετʔϧ͞Ε͍ͯΔ PythonΛมߋ͢Δͱؒҧ͍ͳ͘ τϥϒϧʹͳΓ·͢ɻ ※ ܦݧஊ
Linux(CentOS) ͷ Πϯετʔϧखॱ
ߏஙڥ • CentOS Linux release 7.2.1511 (Core) • selinux enforcing
Ҏ֎Ͱ… • root༻
pyenv Πϯετʔϧ • ඞཁύοέʔδͷΠϯετʔϧ # yum install -y gcc gcc-c++
make git patch openssl-devel zlib-devel readline-devel sqlite- devel bzip2-devel • μϯϩʔυ # git clone https://github.com/yyuu/pyenv.git / usr/local/pyenv/
pyenv Πϯετʔϧ • ڥมઃఆ # export PYENV_ROOT="/usr/local/pyenv" # export PATH=“/usr/local/pyenv/bin:$PATH"
• python Πϯετʔϧ # pyenv install 3.5.2
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
pyenv-virtualenv Πϯετʔϧ • ڥมઃఆ # cat <<EOF >> ~/.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
macOS ͷ Πϯετʔϧखॱ
ߏஙڥ • macOS Sierra 10.12 • HomeBrewΛ༻
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
pyenv-virtualenv Πϯετʔϧ • pyenv-virtualenv Πϯετʔϧ $ brew install pyenv-virtualenv •
ڥมઃఆ $ 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
Python Πϯετʔϧ • Python Πϯετʔϧ $ pyenv install 3.5.2
pyenv-virtualenvͷ͍ํ
pyenv-virtualenvͷ͍ํ • Linuxɺmacڞ௨Ͱ͢ɻ • ΠϯετʔϧՄೳͳPythonͷҰཡදࣔ # pyenv install -l •
python Πϯετʔϧ # pyenv install [Ұཡʹ͋Δόʔδϣϯ໊]
pyenv-virtualenvͷ͍ํ • python Ծڥ࡞ # pyenv virtualenv [Pythonόʔδϣϯ] [Ծڥ໊] ྫ)
# pyenv virtualenv 2.7.11 Py2Base # pyenv virtualenv Py2Base py2-test Ծڥ͔Β৽͍͠ԾڥΛ࡞ͬͨ߹ϥ ΠϒϥϦҾ͖ܧ͕Ε·͢
pyenv-virtualenvͷ͍ํ • python Ծڥআ # pyenv uninstall [Ծڥ໊] ֬ೝ͕Ͱͯ͘ΔͷͰyesΛೖྗ
pyenv-virtualenvͷ͍ํ • ඪ४Ͱ༻͢ΔPythonΛมߋ # pyenv global [Ծڥ໊] • ݱࡏͷshellͷPythonΛมߋ #
pyenv shell [Ծڥ໊] • ݱࡏͷσΟϨΫτϦͷPythonΛมߋ # pyenv local [Ծڥ໊]
pyenv-virtualenvͷ͍ํ • ԾڥͷҰཡදࣔ # pyenv versions • PyEnvͷΞοϓσʔτ # cd
/usr/local/pyenv # git pull ৽͍͠VersionͷPythonΛΠϯετʔϧ͢Δ࣌ʹ ΞοϓσʔτΛ࣮ࢪ͢Δ
Windows10 ͷ Πϯετʔϧखॱ
ߏஙڥ • Windows10 Version 1607 • pyenvΠϯετʔϧͰ͖ͳ͍ͷͰAnaconda Λ༻
Anacondaͱ • PythonΛ͓खܰʹΠϯετʔϧͰ͖Δπʔϧ • ෳόʔδϣϯͷPythonཧಉҰόʔδϣϯ PythonͷϥΠϒϥϦཧ͕Մೳ • ηοτͰIPythonJupyter NotebookɺSpyder ͷπʔϧϥΠϒϥϦ͕Πϯετʔϧ͞ΕΔɻ
• miniconda Λ͏ͱ࠷ݶͷPythonڥ͕Πϯε τʔϧ͞ΕΔɻ • WindowsҎ֎ʹLinuxɺmacʹରԠ • LinuxɺmacͰpyenvͱΈ߹ΘͤՄೳ
Anaconda μϯϩʔυ • Anaconda https://www.continuum.io/downloads • miniconda http://conda.pydata.org/miniconda.html • 3ܥΛબΜͰޙ͔Β2ܥͷΠϯετʔϧՄೳ
ٯʹ2ܥΛબΜͰ3ܥΛΠϯετʔϧՄೳ
• GUIͰϙνϙνʔͬͱͳɻ Anaconda Πϯετʔϧ
Anacondaͷ͍ํ
Anacondaͷ͍ํ • ΠϯετʔϧՄೳͳPythonͷදࣔ > conda search • Ծڥߏங > conda
create -n [໊લ] python=[Versionࢦఆ] • ԾڥҰཡදࣔ > conda env list
Anacondaͷ͍ํ • Ծڥআ > conda remove -n [໊લ] —all •
ԾڥΓସ͑ > activate [໊લ] • ԾڥΛൈ͚Δ > deavtivate
Ͷɺ؆୯Ͱ͠ΐʁ
None
͔͜͜Βએ(ຊ൪)
Python౦ւͷհ
Python౦ւ ϓϩάϥϛϯάݴޠ ʮPythonʯ ͷ౦ւํ ίϛϡχςΟͰ͢
Python౦ւ • Pythonͷ౦ւํҬϩʔΧϧίϛϡχςΟ • ΏΔ;ΘͩΑʂ • PythonͬΆ͚ΕԿൃදͯ͠େৎͩΑʂ • ා͘ͳ͍Αʂ •
PyͬͯͲ͔ͬʹ͍ͯΕ͍͍ͩͨOKʂʂ
PythonωλൃදͰ͖·͢ʂ
ػցֶशωλOKʂ
RaspberryPiωλOKʂ
ύΠ͕͍ͭͯΕOK
ͦΜͳΏΔ;ΘͰૉఢͳ Python౦ւͷษڧձ͕…
10݄29() ʹ։࠵ʂ ʮୈ31ճ Python౦ւ ษڧձʯ
ਃࠐɾৄࡉconnpassͰʂ http://connpass.com/event/40191/
ੋඇɺ͓͍ͩ͘͜͠͞ɻ
͓ΘΓ