文書の表示以前のリビジョンバックリンク文書の先頭へ この文書は読取専用です。文書のソースを閲覧することは可能ですが、変更はできません。もし変更したい場合は管理者に連絡してください。 ====== Emmett - 非同期 Web アプリケーション フレームワーク ====== <WRAP zoomimg w400 x1_3 minfont_10> {{ :python:dr._emmett_brown_doc.webp |Dr. Emmett Brown}}\\ [[https://greatcharacters.miraheze.org/wiki/Dr._Emmett_Brown|Dr. Emmett Brown - Incredible Characters Wiki]]\\ [[https://greatcharacters.miraheze.org/wiki/File:Doc_-_BackTTFuture_067Pyxurz.jpg|File:Doc - BackTTFuture 067Pyxurz.jpg - Incredible Characters Wiki]] より\\ </WRAP> 本家: [[https://emmett.sh|Emmett - the web framework for inventors]]\\ ソースコード: [[git>emmett-framework/emmett|emmett-framework/emmett: The web framework for inventors]]\\ ===== Emmett チュートリアル ===== 公式: [[https://emmett.sh/docs/2.5.x/tutorial|Tutorial | Emmett framework]]\\ <WRAP color_term> <WRAP color_command><html><pre> <font color="#0087FF"><b>$</b></font> <font color="#26A269">git</font> clone <font color="#A347BA">--depth</font> 1 https://github.com/emmett-framework/emmett.git </pre></html></WRAP> <WRAP color_result><html><pre> Cloning into 'emmett'... remote: Enumerating objects: 231, done. remote: Counting objects: 100% (231/231), done. remote: Compressing objects: 100% (217/217), done. remote: Total 231 (delta 7), reused 112 (delta 4), pack-reused 0 Receiving objects: 100% (231/231), 690.73 KiB | 5.48 MiB/s, done. Resolving deltas: 100% (7/7), done. </pre></html></WRAP> </WRAP> <WRAP color_term> <WRAP color_command><html><pre> <font color="#0087FF"><b>$</b></font> <font color="#26A269">cd</font> <u style="text-decoration-style:solid">emmett/examples/bloggy</u> <font color="#0087FF"><b>$</b></font> <font color="#26A269">python</font><font color="#999999"> </font><font color="#A347BA">-m</font><font color="#999999"> venv .venv </font><font color="#12488B"><b>&&</b></font><font color="#999999"> </font><font color="#26A269">.</font><font color="#999999"> .venv/bin/activate </font><font color="#12488B"><b>&&</b></font><font color="#999999"> </font><font color="#26A269">pip</font><font color="#999999"> install </font><font color="#A347BA">-U</font><font color="#999999"> pip</font> </pre></html></WRAP> <WRAP color_result><html><pre> Requirement already satisfied: pip in ./.venv/lib64/python3.12/site-packages (23.3.2) Collecting pip Downloading pip-24.1-py3-none-any.whl.metadata (3.6 kB) Downloading pip-24.1-py3-none-any.whl (1.8 MB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">1.8/1.8 MB</font> <font color="#C01C28">9.0 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Installing collected packages: pip Attempting uninstall: pip Found existing installation: pip 23.3.2 Uninstalling pip-23.3.2: Successfully uninstalled pip-23.3.2 Successfully installed pip-24.1 </pre></html></WRAP> <WRAP color_command><html><pre> (.venv) <font color="#0087FF"><b>$</b></font> <font color="#26A269">pip</font> install emmett </pre></html></WRAP> <WRAP color_result_long><html><pre> Collecting emmett Downloading emmett-2.5.11-py3-none-any.whl.metadata (4.8 kB) Collecting click>=6.0 (from emmett) Downloading click-8.1.7-py3-none-any.whl.metadata (3.0 kB) Collecting emmett-crypto<0.7,>=0.6 (from emmett) Downloading emmett_crypto-0.6.0-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata (1.9 kB) Collecting granian<1.5.0,>=1.4.1 (from emmett) Downloading granian-1.4.4-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata (15 kB) Collecting pendulum<3.1.0,>=3.0.0 (from emmett) Downloading pendulum-3.0.0-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata (6.9 kB) Collecting pyDAL==17.3 (from emmett) Downloading pyDAL-17.3-py2.py3-none-any.whl.metadata (1.4 kB) Collecting python-rapidjson<2.0,>=1.14 (from emmett) Downloading python_rapidjson-1.17-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata (21 kB) Collecting pyyaml<7.0,>=6.0 (from emmett) Downloading PyYAML-6.0.1-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata (2.1 kB) Collecting renoir<2.0,>=1.6 (from emmett) Downloading renoir-1.7.1-py3-none-any.whl.metadata (2.0 kB) Collecting severus<2.0,>=1.1 (from emmett) Downloading severus-1.3.0-py3-none-any.whl.metadata (1.9 kB) Collecting uvloop>=0.18.0 (from granian<1.5.0,>=1.4.1->emmett) Downloading uvloop-0.19.0-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata (4.9 kB) Collecting python-dateutil>=2.6 (from pendulum<3.1.0,>=3.0.0->emmett) Downloading python_dateutil-2.9.0.post0-py2.py3-none-any.whl.metadata (8.4 kB) Collecting tzdata>=2020.1 (from pendulum<3.1.0,>=3.0.0->emmett) Downloading tzdata-2024.1-py2.py3-none-any.whl.metadata (1.4 kB) Collecting time-machine>=2.6.0 (from pendulum<3.1.0,>=3.0.0->emmett) Downloading time_machine-2.14.1-cp312-cp312-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata (21 kB) Collecting six>=1.5 (from python-dateutil>=2.6->pendulum<3.1.0,>=3.0.0->emmett) Downloading six-1.16.0-py2.py3-none-any.whl.metadata (1.8 kB) Downloading emmett-2.5.11-py3-none-any.whl (450 kB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">450.5/450.5 kB</font> <font color="#C01C28">6.7 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading pyDAL-17.3-py2.py3-none-any.whl (169 kB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">169.6/169.6 kB</font> <font color="#C01C28">9.3 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading click-8.1.7-py3-none-any.whl (97 kB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">97.9/97.9 kB</font> <font color="#C01C28">8.6 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading emmett_crypto-0.6.0-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (219 kB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">219.0/219.0 kB</font> <font color="#C01C28">11.7 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading granian-1.4.4-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (3.4 MB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">3.4/3.4 MB</font> <font color="#C01C28">10.9 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading pendulum-3.0.0-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (384 kB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">384.9/384.9 kB</font> <font color="#C01C28">10.5 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading python_rapidjson-1.17-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (1.7 MB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">1.7/1.7 MB</font> <font color="#C01C28">11.1 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading PyYAML-6.0.1-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (724 kB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">725.0/725.0 kB</font> <font color="#C01C28">11.1 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading renoir-1.7.1-py3-none-any.whl (30 kB) Downloading severus-1.3.0-py3-none-any.whl (12 kB) Downloading python_dateutil-2.9.0.post0-py2.py3-none-any.whl (229 kB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">229.9/229.9 kB</font> <font color="#C01C28">10.6 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading time_machine-2.14.1-cp312-cp312-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl (33 kB) Downloading tzdata-2024.1-py2.py3-none-any.whl (345 kB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">345.4/345.4 kB</font> <font color="#C01C28">11.4 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading uvloop-0.19.0-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (4.2 MB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">4.2/4.2 MB</font> <font color="#C01C28">11.3 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading six-1.16.0-py2.py3-none-any.whl (11 kB) Installing collected packages: pyDAL, uvloop, tzdata, six, renoir, pyyaml, python-rapidjson, emmett-crypto, click, severus, python-dateutil, granian, time-machine, pendulum, emmett Successfully installed click-8.1.7 emmett-2.5.11 emmett-crypto-0.6.0 granian-1.4.4 pendulum-3.0.0 pyDAL-17.3 python-dateutil-2.9.0.post0 python-rapidjson-1.17 pyyaml-6.0.1 renoir-1.7.1 severus-1.3.0 six-1.16.0 time-machine-2.14.1 tzdata-2024.1 uvloop-0.19.0 </pre></html></WRAP> </WRAP> <WRAP color_term> <WRAP color_command><html><pre> (.venv) <font color="#0087FF"><b>$</b></font> <font color="#26A269">mkdir</font> <font color="#A347BA">-p</font> databases (.venv) <font color="#0087FF"><b>$</b></font> <font color="#26A269">emmett</font> <u style="text-decoration-style:solid">migrations</u> up </pre></html></WRAP> <WRAP color_result><html><pre> > Performing upgrades against <b>sqlite://dummy.db</b> > Performing upgrade: <font color="#2AA1B3"><b><base> -> 9d6518b3cdc2 (head), First migration</b></font> > Adding revision <font color="#2AA1B3"><b>9d6518b3cdc2</b></font> to schema <font color="#26A269">> Succesfully upgraded to revision </font><font color="#2AA1B3"><b>9d6518b3cdc2</b></font><font color="#26A269">: First migration</font> </pre></html></WRAP> <WRAP color_command><html><pre> (.venv) <font color="#0087FF"><b>$</b></font> <font color="#26A269">emmett</font> setup (.venv) <font color="#0087FF"><b>$</b></font> <font color="#26A269">emmett</font> develop </pre></html></WRAP> <WRAP color_result><html><pre> > Starting Emmett development server on app <font color="#2AA1B3"><b>app</b></font> <font color="#26A269">> Emmett application</font> <font color="#2AA1B3"><b>app</b></font> <font color="#26A269">running on</font> <font color="#2AA1B3">http://127.0.0.1:8000</font> <font color="#26A269">(press CTRL+C to quit)</font> <font color="#A2734C">> Restarting (stat mode)</font> > WARNING in ext [/home/tomoyan/my_projects/emmett/examples/bloggy/.venv/lib64/python3.12/site-packages/emmett/tools/auth/ext.py:175]: No mailer seems to be configured. The auth features requiring mailer won't work. [INFO] Starting granian (main PID: 108684) [INFO] Listening at: http://127.0.0.1:8000 [INFO] Spawning worker-1 with pid: 108685 [INFO] Started worker-1 [INFO] Started worker-1 runtime-1 </pre></html></WRAP> </WRAP> [[http://localhost:8000|]] にアクセスする🤔\\ <WRAP zoomimg w400 x1_3 photo_area_long> {{:python:python_emmett_bloggy_001.png|Python Emmett Bloggy 001}} {{:python:python_emmett_bloggy_002.png|Python Emmett Bloggy 002}} {{:python:python_emmett_bloggy_003.png|Python Emmett Bloggy 003}} {{:python:python_emmett_bloggy_004.png|Python Emmett Bloggy 004}} {{:python:python_emmett_bloggy_005.png|Python Emmett Bloggy 005}} {{:python:python_emmett_bloggy_006.png|Python Emmett Bloggy 006}} </WRAP> ===== プロジェクトの作成 ===== <WRAP color_term> <WRAP color_command><html><pre> <font color="#0087FF"><b>$</b></font> <font color="#26A269">mkdir</font> <font color="#A347BA">-p</font> emmett_proj <font color="#12488B"><b>&&</b></font> <font color="#26A269">cd</font> emmett_proj <font color="#0087FF"><b>$</b></font> <font color="#26A269">python</font> <font color="#A347BA">-m</font> venv .venv <font color="#12488B"><b>&&</b></font> <font color="#26A269">.</font> .venv/bin/activate <font color="#12488B"><b>&&</b></font> <font color="#26A269">pip</font> install <font color="#A347BA">-U</font> pip </pre></html></WRAP> <WRAP color_result><html><pre> Requirement already satisfied: pip in ./.venv/lib64/python3.12/site-packages (23.3.2) Collecting pip Downloading pip-24.1-py3-none-any.whl.metadata (3.6 kB) Downloading pip-24.1-py3-none-any.whl (1.8 MB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">1.8/1.8 MB</font> <font color="#C01C28">8.8 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Installing collected packages: pip Attempting uninstall: pip Found existing installation: pip 23.3.2 Uninstalling pip-23.3.2: Successfully uninstalled pip-23.3.2 Successfully installed pip-24.1 </pre></html></WRAP> <WRAP color_command><html><pre> (.venv) <font color="#0087FF"><b>$</b></font> <font color="#26A269">pip</font> install emmett </pre></html></WRAP> <WRAP color_result_hlong><html><pre> Collecting emmett Downloading emmett-2.5.11-py3-none-any.whl.metadata (4.8 kB) Collecting click>=6.0 (from emmett) Downloading click-8.1.7-py3-none-any.whl.metadata (3.0 kB) Collecting emmett-crypto<0.7,>=0.6 (from emmett) Downloading emmett_crypto-0.6.0-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata (1.9 kB) Collecting granian<1.5.0,>=1.4.1 (from emmett) Downloading granian-1.4.4-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata (15 kB) Collecting pendulum<3.1.0,>=3.0.0 (from emmett) Downloading pendulum-3.0.0-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata (6.9 kB) Collecting pyDAL==17.3 (from emmett) Downloading pyDAL-17.3-py2.py3-none-any.whl.metadata (1.4 kB) Collecting python-rapidjson<2.0,>=1.14 (from emmett) Downloading python_rapidjson-1.17-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata (21 kB) Collecting pyyaml<7.0,>=6.0 (from emmett) Downloading PyYAML-6.0.1-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata (2.1 kB) Collecting renoir<2.0,>=1.6 (from emmett) Downloading renoir-1.7.1-py3-none-any.whl.metadata (2.0 kB) Collecting severus<2.0,>=1.1 (from emmett) Downloading severus-1.3.0-py3-none-any.whl.metadata (1.9 kB) Collecting uvloop>=0.18.0 (from granian<1.5.0,>=1.4.1->emmett) Downloading uvloop-0.19.0-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata (4.9 kB) Collecting python-dateutil>=2.6 (from pendulum<3.1.0,>=3.0.0->emmett) Downloading python_dateutil-2.9.0.post0-py2.py3-none-any.whl.metadata (8.4 kB) Collecting tzdata>=2020.1 (from pendulum<3.1.0,>=3.0.0->emmett) Downloading tzdata-2024.1-py2.py3-none-any.whl.metadata (1.4 kB) Collecting time-machine>=2.6.0 (from pendulum<3.1.0,>=3.0.0->emmett) Downloading time_machine-2.14.1-cp312-cp312-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata (21 kB) Collecting six>=1.5 (from python-dateutil>=2.6->pendulum<3.1.0,>=3.0.0->emmett) Downloading six-1.16.0-py2.py3-none-any.whl.metadata (1.8 kB) Downloading emmett-2.5.11-py3-none-any.whl (450 kB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">450.5/450.5 kB</font> <font color="#C01C28">7.2 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading pyDAL-17.3-py2.py3-none-any.whl (169 kB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">169.6/169.6 kB</font> <font color="#C01C28">9.3 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading click-8.1.7-py3-none-any.whl (97 kB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">97.9/97.9 kB</font> <font color="#C01C28">9.1 MB/s</font> eta <font 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<font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">1.7/1.7 MB</font> <font color="#C01C28">11.3 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading PyYAML-6.0.1-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (724 kB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">725.0/725.0 kB</font> <font color="#C01C28">10.0 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading renoir-1.7.1-py3-none-any.whl (30 kB) Downloading severus-1.3.0-py3-none-any.whl (12 kB) Downloading python_dateutil-2.9.0.post0-py2.py3-none-any.whl (229 kB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">229.9/229.9 kB</font> <font color="#C01C28">11.7 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading time_machine-2.14.1-cp312-cp312-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl (33 kB) Downloading tzdata-2024.1-py2.py3-none-any.whl (345 kB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">345.4/345.4 kB</font> <font color="#C01C28">10.9 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading uvloop-0.19.0-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (4.2 MB) <font color="#5FAF00">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">4.2/4.2 MB</font> <font color="#C01C28">11.3 MB/s</font> eta <font color="#2AA1B3">0:00:00</font> Downloading six-1.16.0-py2.py3-none-any.whl (11 kB) Installing collected packages: pyDAL, uvloop, tzdata, six, renoir, pyyaml, python-rapidjson, emmett-crypto, click, severus, python-dateutil, granian, time-machine, pendulum, emmett Successfully installed click-8.1.7 emmett-2.5.11 emmett-crypto-0.6.0 granian-1.4.4 pendulum-3.0.0 pyDAL-17.3 python-dateutil-2.9.0.post0 python-rapidjson-1.17 pyyaml-6.0.1 renoir-1.7.1 severus-1.3.0 six-1.16.0 time-machine-2.14.1 tzdata-2024.1 uvloop-0.19.0 </pre></html></WRAP> </WRAP> ===== 技術情報 ===== ==== Emmett は ASGI ではなく RSGI で動作する...🤔 ==== Granian HTTPサーバーはASGI 代替プロトコルRSGI(Rust Server Gateway Interface)を実装してて、Emmett 2.5 で使用されるデフォルトのプロトコル、uvicorn への依存は削除されてる🤔\\ コードを変更することなく、Webアプリケーションのパフォーマンスが約 50% 向上してる😍\\ [[https://emmett.sh/docs/2.5.x/upgrading|Upgrading to newer releases | Emmett framework]]\\ [[https://github.com/emmett-framework/granian/blob/master/docs/spec/RSGI.md|RSGI Specification - granian/docs/spec/RSGI.md at master · emmett-framework/granian]]\\ ==== データベース URL に指定可能な文字列の例...🤔 ==== 公式: [[https://pydal.readthedocs.io/en/latest/|Welcome to pyDAL’s API documentation! — pyDAL 17.11 documentation]]\\ Emmett は内部で [[http://www.web2py.com/|web2py]] Web フレームワーク 由来の pyDAL を利用するので、そのドキュメントに記載がある😉\\ <WRAP color_term> <WRAP color_mincode><code python> 'sqlite://test.db' 'spatialite://test.db' 'sqlite:memory' 'spatialite:memory' 'jdbc:sqlite://test.db' 'mysql://root:none@localhost/test' 'postgres://mdipierro:password@localhost/test' 'postgres:psycopg2://mdipierro:password@localhost/test' 'postgres:pg8000://mdipierro:password@localhost/test' 'jdbc:postgres://mdipierro:none@localhost/test' 'mssql://web2py:none@A64X2/web2py_test' 'mssql2://web2py:none@A64X2/web2py_test' # alternate mappings 'mssql3://web2py:none@A64X2/web2py_test' # better pagination (requires >= 2005) 'mssql4://web2py:none@A64X2/web2py_test' # best pagination (requires >= 2012) 'oracle://username:password@database' 'firebird://user:password@server:3050/database' 'db2:ibm_db_dbi://DSN=dsn;UID=user;PWD=pass' 'db2:pyodbc://driver=DB2;hostname=host;database=database;uid=user;pwd=password;port=port' 'firebird://username:password@hostname/database' 'firebird_embedded://username:password@c://path' 'informix://user:password@server:3050/database' 'informixu://user:password@server:3050/database' # unicode informix 'ingres://database' # or use an ODBC connection string, e.g. 'ingres://dsn=dsn_name' 'google:datastore' # for google app engine datastore (uses ndb by default) 'google:sql' # for google app engine with sql (mysql compatible) 'teradata://DSN=dsn;UID=user;PWD=pass; DATABASE=database' # experimental 'imap://user:password@server:port' # experimental 'mongodb://user:password@server:port/database' # experimental </code></WRAP> </WRAP> ===== トラブルシューティング ===== ==== RuntimeError: No driver of supported ones ('psycopg2', 'pg8000') is available ==== PostgreSQL に接続する際に以下の内容のようなエラーが発生する...😱\\ <WRAP color_term> <WRAP color_result><html><pre> File "/home/tomoyan/my_projects/emmett_proj/.venv/lib64/python3.12/site-packages/pydal/adapters/base.py", line 367, in __init__ super(SQLAdapter, self).__init__(*args, **kwargs) File "/home/tomoyan/my_projects/emmett_proj/.venv/lib64/python3.12/site-packages/pydal/adapters/base.py", line 49, in __init__ self.find_driver() File "/home/tomoyan/my_projects/emmett_proj/.venv/lib64/python3.12/site-packages/pydal/adapters/base.py", line 98, in find_driver raise RuntimeError( RuntimeError: No driver of supported ones ('psycopg2', 'pg8000') is available </pre></html></WRAP> </WRAP> PostgreSQL ドライバをインストールする必要がある🤔\\ <WRAP color_term> <WRAP color_command><html><pre> (.venv) <font color="#0087FF"><b>$</b></font> <font color="#26A269">pip</font> install psycopg2 </pre></html></WRAP> <WRAP color_result><html><pre> Collecting psycopg2 Downloading psycopg2-2.9.9.tar.gz (384 kB) <font color="#729C1F">━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</font> <font color="#26A269">384.9/384.9 kB</font> <font color="#C01C28">27.4 kB/s</font> eta <font color="#2AA1B3">0:00:00</font> Installing build dependencies ... done Getting requirements to build wheel ... done Preparing metadata (pyproject.toml) ... done Building wheels for collected packages: psycopg2 Building wheel for psycopg2 (pyproject.toml) ... done Created wheel for psycopg2: filename=psycopg2-2.9.9-cp312-cp312-linux_x86_64.whl size=170256 sha256=2e90e7bb4e1ff74e850d424bfbc9bf7c017ffbb1c37b42d79b550d13f29af782 Stored in directory: /home/tomoyan/.cache/pip/wheels/ff/ac/80/7ccec163e3d05ae2112311b895132409b9abfd7e0c1c6b5183 Successfully built psycopg2 Installing collected packages: psycopg2 Successfully installed psycopg2-2.9.9 </pre></html></WRAP> </WRAP> ===== 参考文献 ===== [[https://towardsdatascience.com/elegant-web-development-with-emmett-in-python-612ed898a71e|Elegant Web Development With Emmett In Python | by Emma Boudreau | Towards Data Science]]\\ [[https://medium.com/@pangea.ai/the-ultimate-guide-to-python-development-frameworks-2021-d5f3daad75c6|The Ultimate Guide to Python Development Frameworks 2021 | by Pangea.ai | Medium]]\\ [[https://medium.com/@carlosmarcano2704/seven-alternatives-to-fastapi-to-explore-and-contribute-python-47bcd394bf31|Seven Alternatives To FastAPI To Explore and Contribute To | Python | by Carlos Armando Marcano Vargas | Medium]]\\ ==== 付録 ==== [[tw>tomoyan596sp/status/1804386410151223725|誰のホームページを作ってるんでしょうね...🤔 Dr. Emmett Brown 博士😅 ドッグが由来らしいPythonのEmmettフレームワーク🤔 真の非同期 Web アプリケーション フレームワークだから...😊 ASGIサーバーはRustで実装されてるGranian、weppyをforkしたEmmettは、Flaskに似てるがDjangoくらい高機能です😋]]\\ python/emmett.txt 最終更新: 2024/06/24 08:03by ともやん
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