日経ソフトウェア2020年5月号 の付録「5日でできる！Pythonでゲーム作成入門」を試そうとしたところ、しょっぱなから Pygame Zero インストールで躓いた。その時の解決メモ。
![日経ソフトウエア 2020年 05月号 [雑誌]](https://thumbnail.image.rakuten.co.jp/@0_mall/book/cabinet/0508/4910071890508.jpg?_ex=128x128 "日経ソフトウエア 2020年 05月号 [雑誌]")
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pip install pgzero でエラー。SDL.h がないとしかられる
現象
pip install pgzero 途中でエラー発生。
"SDL.h がみつからない" と叱られてインストールが完了しない。
% pip install pgzero Collecting pgzero Downloading pgzero-1.2-py3-none-any.whl (69 kB) |████████████████████████████████| 69 kB 2.4 MB/s Collecting numpy Downloading numpy-1.18.2-cp38-cp38-macosx_10_9_x86_64.whl (15.2 MB) |████████████████████████████████| 15.2 MB 7.6 MB/s Collecting pygame<2.0,>=1.9.2 Downloading pygame-1.9.6.tar.gz (3.2 MB) |████████████████████████████████| 3.2 MB 12.1 MB/s Installing collected packages: numpy, pygame, pgzero Running setup.py install for pygame ... error ERROR: Command errored out with exit status 1: command: /Users/acokikoy/.pyenv/versions/3.8.0/bin/python3.8 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/mz/wjwxp0m962q_x06kwrdbfnr80000gn/T/pip-install-0o6n1il8/pygame/setup.py'"'"'; __file__='"'"'/private/var/folders/mz/wjwxp0m962q_x06kwrdbfnr80000gn/T/pip-install-0o6n1il8/pygame/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/mz/wjwxp0m962q_x06kwrdbfnr80000gn/T/pip-record-057ov5_y/install-record.txt --single-version-externally-managed --compile --install-headers /Users/acokikoy/.pyenv/versions/3.8.0/include/python3.8/pygame cwd: /private/var/folders/mz/wjwxp0m962q_x06kwrdbfnr80000gn/T/pip-install-0o6n1il8/pygame/ Complete output (218 lines): running install running build running build_py creating build creating build/lib.macosx-10.15-x86_64-3.8 creating build/lib.macosx-10.15-x86_64-3.8/pygame copying src_py/surfarray.py -> build/lib.macosx-10.15-x86_64-3.8/pygame ... running build_ext building 'pygame.gfxdraw' extension creating build/temp.macosx-10.15-x86_64-3.8 creating build/temp.macosx-10.15-x86_64-3.8/src_c creating build/temp.macosx-10.15-x86_64-3.8/src_c/SDL_gfx clang -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include -I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include -DENABLE_NEWBUF=1 -I/NEED_INC_PATH_FIX -I/Users/acokikoy/.pyenv/versions/3.8.0/include/python3.8 -c src_c/gfxdraw.c -o build/temp.macosx-10.15-x86_64-3.8/src_c/gfxdraw.o In file included from src_c/gfxdraw.c:33: In file included from src_c/pygame.h:32: src_c/_pygame.h:216:10: fatal error: 'SDL.h' file not found #include <SDL.h> ^~~~~~~ 1 error generated. --- For help with compilation see: https://www.pygame.org/wiki/MacCompile To contribute to pygame development see: https://www.pygame.org/contribute.html --- error: command 'clang' failed with exit status 1 ---------------------------------------- ERROR: Command errored out with exit status 1: /Users/acokikoy/.pyenv/versions/3.8.0/bin/python3.8 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/mz/wjwxp0m962q_x06kwrdbfnr80000gn/T/pip-install-0o6n1il8/pygame/setup.py'"'"'; __file__='"'"'/private/var/folders/mz/wjwxp0m962q_x06kwrdbfnr80000gn/T/pip-install-0o6n1il8/pygame/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/mz/wjwxp0m962q_x06kwrdbfnr80000gn/T/pip-record-057ov5_y/install-record.txt --single-version-externally-managed --compile --install-headers /Users/acokikoy/.pyenv/versions/3.8.0/include/python3.8/pygame Check the logs for full command output.
エラーメッセージに 'SDL.h' file not found などとある。
Stack Overflow の近い事例を参考に、不足しているパッケージをインストールしたらうまく行った。
参照した文献(Stack Overflow)：
Can't install pygame with pip as there is an error whilst runningvsetup.py bdist_wheel for pygame - Stack Overflow
% brew install sdl sdl_image sdl_mixer sdl_ttf portmidi Updating Homebrew... ==> Auto-updated Homebrew! Updated 2 taps (homebrew/core and homebrew/cask). ==> New Formulae confd gobo inxi llvm@9 minipro semtag vroom ==> Updated Formulae ... ==> Updated Casks ... ==> Deleted Casks ... ==> Downloading https://homebrew.bintray.com/bottles/sdl-1.2.15_1.catalina.bottle.tar.gz ==> Downloading from https://akamai.bintray.com/77/7711f995186b4aa6dff3f9821be99bbb1c455b32d353adf6b2fd5ec6404a52a3?__g ######################################################################## 100.0% ==> Pouring sdl-1.2.15_1.catalina.bottle.tar.gz 🍺 /usr/local/Cellar/sdl/1.2.15_1: 225 files, 1.4MB ==> Installing dependencies for sdl_image: jpeg, libpng, libtiff and webp ==> Installing sdl_image dependency: jpeg ==> Downloading https://homebrew.bintray.com/bottles/jpeg-9d.catalina.bottle.tar.gz ==> Downloading from https://akamai.bintray.com/8f/8f7b82a952fb3937889c7f22da1403e5338cd320495917eb26b0c5b2e614791c?__g ######################################################################## 100.0% ==> Pouring jpeg-9d.catalina.bottle.tar.gz 🍺 /usr/local/Cellar/jpeg/9d: 21 files, 775.2KB ==> Installing sdl_image dependency: libpng ==> Downloading https://homebrew.bintray.com/bottles/libpng-1.6.37.catalina.bottle.tar.gz ==> Downloading from https://akamai.bintray.com/c8/c8e74da602c21f978cd7ee3d489979b4fc6681e71f678a1d99012943ee3a909f?__g ######################################################################## 100.0% ==> Pouring libpng-1.6.37.catalina.bottle.tar.gz 🍺 /usr/local/Cellar/libpng/1.6.37: 27 files, 1.2MB ==> Installing sdl_image dependency: libtiff ==> Downloading https://homebrew.bintray.com/bottles/libtiff-4.1.0.catalina.bottle.tar.gz ==> Downloading from https://akamai.bintray.com/44/449bd9123e73e4c4eab85b77322d769cc9df0f6adab05e9b9319b012d1215a68?__g ######################################################################## 100.0% ==> Pouring libtiff-4.1.0.catalina.bottle.tar.gz 🍺 /usr/local/Cellar/libtiff/4.1.0: 247 files, 3.7MB ==> Installing sdl_image dependency: webp ==> Downloading https://homebrew.bintray.com/bottles/webp-1.1.0.catalina.bottle.tar.gz ==> Downloading from https://akamai.bintray.com/27/27c76a7054277ff5a2e844c5996fc731d8644acbaaa505d35dba42c4a48a0c51?__g ######################################################################## 100.0% ==> Pouring webp-1.1.0.catalina.bottle.tar.gz 🍺 /usr/local/Cellar/webp/1.1.0: 39 files, 2.1MB ==> Installing sdl_image ==> Downloading https://homebrew.bintray.com/bottles/sdl_image-1.2.12_7.catalina.bottle.tar.gz ######################################################################## 100.0% ==> Pouring sdl_image-1.2.12_7.catalina.bottle.tar.gz 🍺 /usr/local/Cellar/sdl_image/1.2.12_7: 10 files, 139.4KB ==> Installing dependencies for sdl_mixer: libmikmod, libogg and libvorbis ==> Installing sdl_mixer dependency: libmikmod ==> Downloading https://homebrew.bintray.com/bottles/libmikmod-3.3.11.1.catalina.bottle.tar.gz ==> Downloading from https://akamai.bintray.com/21/2151c9e70ca92a911af8cf769c18541c5d107df349b44987f716909c67216c59?__g ######################################################################## 100.0% ==> Pouring libmikmod-3.3.11.1.catalina.bottle.tar.gz 🍺 /usr/local/Cellar/libmikmod/3.3.11.1: 15 files, 799.8KB ==> Installing sdl_mixer dependency: libogg ==> Downloading https://homebrew.bintray.com/bottles/libogg-1.3.4.catalina.bottle.tar.gz ==> Downloading from https://akamai.bintray.com/0a/0a03b8a7307aeac70762fd4ee9837fff4ed523c34063a6aec52c5cf34c54695f?__g ######################################################################## 100.0% ==> Pouring libogg-1.3.4.catalina.bottle.tar.gz 🍺 /usr/local/Cellar/libogg/1.3.4: 97 files, 476.9KB ==> Installing sdl_mixer dependency: libvorbis ==> Downloading https://homebrew.bintray.com/bottles/libvorbis-1.3.6.catalina.bottle.tar.gz ==> Downloading from https://akamai.bintray.com/89/893672680486cd93229556f0dc573d06bf5b21061193580e3b0a21b5b4ae4e40?__g ######################################################################## 100.0% ==> Pouring libvorbis-1.3.6.catalina.bottle.tar.gz 🍺 /usr/local/Cellar/libvorbis/1.3.6: 157 files, 2.3MB ==> Installing sdl_mixer ==> Downloading https://homebrew.bintray.com/bottles/sdl_mixer-1.2.12_3.catalina.bottle.tar.gz ######################################################################## 100.0% ==> Pouring sdl_mixer-1.2.12_3.catalina.bottle.tar.gz 🍺 /usr/local/Cellar/sdl_mixer/1.2.12_3: 10 files, 416.6KB ==> Installing dependencies for sdl_ttf: freetype ==> Installing sdl_ttf dependency: freetype ==> Downloading https://homebrew.bintray.com/bottles/freetype-2.10.1.catalina.bottle.tar.gz ==> Downloading from https://akamai.bintray.com/dd/ddd686141a969caec11ea248324e3736f6db50a54673187be103dde39cb01ebf?__g ######################################################################## 100.0% ==> Pouring freetype-2.10.1.catalina.bottle.tar.gz 🍺 /usr/local/Cellar/freetype/2.10.1: 61 files, 2.2MB ==> Installing sdl_ttf ==> Downloading https://homebrew.bintray.com/bottles/sdl_ttf-2.0.11_1.catalina.bottle.tar.gz ######################################################################## 100.0% ==> Pouring sdl_ttf-2.0.11_1.catalina.bottle.tar.gz 🍺 /usr/local/Cellar/sdl_ttf/2.0.11_1: 10 files, 75.1KB ==> Downloading https://homebrew.bintray.com/bottles/portmidi-217_2.catalina.bottle.1.tar.gz ######################################################################## 100.0% ==> Pouring portmidi-217_2.catalina.bottle.1.tar.gz 🍺 /usr/local/Cellar/portmidi/217_2: 8 files, 89.8KB (pygame_zero) [acokikoy@mbp2018acokikoy] ~/projects/Python_de_game/pygame_zero % pip install pgzero Collecting pgzero Using cached https://files.pythonhosted.org/packages/48/e5/e5f14292373cb5fc7539aa01307b184c1e3c954d68945d8c44778669dd82/pgzero-1.2-py3-none-any.whl Collecting pygame<2.0,>=1.9.2 (from pgzero) Using cached https://files.pythonhosted.org/packages/0f/9c/78626be04e193c0624842090fe5555b3805c050dfaa81c8094d6441db2be/pygame-1.9.6.tar.gz Requirement already satisfied: numpy in ./lib/python3.8/site-packages (from pgzero) (1.18.2) Installing collected packages: pygame, pgzero Running setup.py install for pygame ... done Successfully installed pgzero-1.2 pygame-1.9.6 WARNING: You are using pip version 19.2.3, however version 20.0.2 is available. You should consider upgrading via the 'pip install --upgrade pip' command.
再度インストール実行。無事 pgzero がインストールできた。
% pip install pgzero Collecting pgzero Using cached pgzero-1.2-py3-none-any.whl (69 kB) Collecting pygame<2.0,>=1.9.2 Using cached pygame-1.9.6.tar.gz (3.2 MB) Requirement already satisfied: numpy in ./.pyenv/versions/3.8.0/lib/python3.8/site-packages (from pgzero) (1.18.2) Installing collected packages: pygame, pgzero Running setup.py install for pygame ... done Successfully installed pgzero-1.2 pygame-1.9.6
pgzrun.go()すると、ウインドウが起動するものの、白い画面でなにも描画されない
現象
images/alien.png を描画するだけのスクリプトで、
真っ白いウインドウが出るものの、なにも描画されない。
雑誌掲載のキャプチャ画面は背景黒のウインドウなのに、こっちは真っ白の背景というのもおかしい。
# エイリアンの画像を描画するだけのサンプルスクリプト # 画像の所在は images/alien.png import pgzrun WIDTH = 200 HEIGHT = 200 alien = Actor('alien', center=(100,100)) def draw(): screen.clear() alien.draw() pgzrun.go()
どうやら MacOS Mojave と現stableバージョン間で互換がないらしい。
v2.0.0 dev版最新バージョンをインストールすることで解決した。
% pip install pygame==2.0.0.dev6
参照した文献(GitHubのpygameプロジェクトissues)：
Pygame not compatible with MacOS Mojave · Issue #555 · pygame/pygame
最新のdevバージョンはここにある。
pygame 2.0.0.dev6 on PyPI - Libraries.io
無事にエイリアンが表示された♡
無事にかわいいエイリアンが表示された♡
)
Pygame Zeroの使い方はここ（ちょっとバージョンが古いが読みやすい）
Pygame Zero へようこそ — Pygame Zero 1.2 ドキュメント
