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python_virenv.pdf
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Satoshi Ohki
November 15, 2012
Programming
1
140
python_virenv.pdf
社内LTで発表した資料
Satoshi Ohki
November 15, 2012
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Transcript
MacOSXͰ࡞Δ PythonԾڥ 2012/11/16 roothybrid7 1211݄17༵
։ൃڥߏங • స৬ͯ͠ॳΊͯͷ͓ࣄ!! • Ұ͕͔Γ!? • େม? 1211݄17༵
ͳΜߟ͑ͣ͑Δ • खॱؒҧ͑ͨʔ • ͍Βͳ͍ͷΞϯΠϯετʔϧͰ͖Ͷʔ • ཧπʔϧಈ͔Ͷʔ 1211݄17༵
Pythonͷ։ൃڥ • easy_installͱ͔pipͱ͔ɺsetuptoolsͱ ͔distributeͱ͔Կ͕ҧ͏ͷ? • ϓϩδΣΫτຖʹ༻͢Δύοέʔδ͕ ҟͳΔͱ͖Կ͍͍͑ͷ? 1211݄17༵
ଞʹ • όʔδϣϯΛҙࣝ͠ ͯɺίϚϯυ࣮ߦ͢Μ ͷΊΜͲ͍ • όʔδϣϯΞοϓͨ͠ ͍ͱ͖ɺҠߦΊΜͲ͍ • ڥߏஙࣦഊͨ͠ͱ
͖ɺϦΧόϦ͕ΊΜͲ ͍ 1211݄17༵
ࣦഊΏΔ͞ΕΜ! 1211݄17༵
PythonΠϯετʔϧ • HomebrewͰΠϯετʔϧ͕͓͢͢Ί • brew tap homebrew/versions ͰϦϙδ τϦՃ͢ΔͱΠϯετʔϧՄೳͳόʔ δϣϯ͕૿͑Δ
1211݄17༵
Virtualenv • ԾڥΛ࡞ͬͯ͘ΕΔ • pip install virtualenv • ԾڥΛɺ؆୯ʹՃআ͕Մೳ •
ԾڥͰɺࢦఆͨ͠Pythonͷό ʔδϣϯͰಈ࡞͢ΔͷͰɺ͍͍ͪͪόʔ δϣϯΛҙࣝ͠ͳͯ͘Α͍ 1211݄17༵
Virtualenvwrapper • ͱ͍͑ɺVirtualenv୯ମͩͱԾڥ ΛͲ͜ͷσΟϨΫτϦͰ࡞͔ͨ͠Ͱ ཧ͕ࡶʹͳΔͷͰɺϥούʔ͕༻ҙ͞ Ε͍ͯΔɻ =>͜ΕΛͬͯڥΛߏங(pipͰΠϯε τʔϧ) 1211݄17༵
xshrc(bashrc, zshrc) • virtulenvwrapperΛ ͏ઃఆ • ԾڥҰׅͰཧ • cd(σΟϨΫτϦҠಈ) ͷ࣌ʹউखʹԾڥ
͕ΓସΘΔΑ͏ʹࡉ [alias cd=‘venv_cd’] 1211݄17༵
ԾڥΛ࡞͢Δ $ mkvirtualenv <env> [--python=<python path>] 1211݄17༵
ԾڥΛআ͢Δ $ rmvirtualenv <env> 1211݄17༵
cdͰԾڥΓସ͑ $ workon <env> # ্ͷɺcdͨ͠ͱ͖ʹ`.venv`ϑΝΠϧʹॻ͔Εͨ # env໊ΛݟͯΓସ͑ͯ·͢ # .zshrc(.bashrc)ʹworkonΛ࣮ߦ͢ΔؔΛఆٛ
1211݄17༵
ڥΛҠߦ͢Δ $ pip freeze >requirements.txt $ mkvirtualenv new_env $ pip
install -r requirements.txt 1211݄17༵
͓ΘΓ 1211݄17༵