我正在嘗試將 django 專案部署到 heroku，但出現此錯誤。
錯誤：命令出錯，退出狀態為 1：/app/.heroku/python/bin/python /app/.heroku/python/lib/python3.8/site-packages/pip/_vendor/pep517/_in_process.py prepare_metadata_for_build_wheel / tmp/tmp5mrz1adn 檢查日志以獲取完整的命令輸出。！推送被拒絕，無法編譯 Python 應用程式。！推送失敗
這是整個日志
ctivity Feed Build LogID 314cb820-4652-417b-9486-61d629e4a6a9
-----> Building on the Heroku-20 stack
-----> Using buildpack: heroku/python
-----> Python app detected
-----> Using Python version specified in runtime.txt
-----> Installing python-3.8.12
-----> Installing pip 20.2.4, setuptools 57.5.0 and wheel 0.37.0
-----> Installing SQLite3
-----> Installing requirements with pip
Collecting alembic==1.6.5
Downloading alembic-1.6.5-py2.py3-none-any.whl (164 kB)
Collecting asgiref==3.3.4
Downloading asgiref-3.3.4-py3-none-any.whl (22 kB)
Collecting Babel==2.9.1
Downloading Babel-2.9.1-py2.py3-none-any.whl (8.8 MB)
Collecting bcrypt==3.2.0
Downloading bcrypt-3.2.0-cp36-abi3-manylinux2010_x86_64.whl (63 kB)
Collecting bidict==0.21.2
Downloading bidict-0.21.2-py2.py3-none-any.whl (37 kB)
Collecting blinker==1.4
Downloading blinker-1.4.tar.gz (111 kB)
Collecting Brotli==1.0.9
Downloading Brotli-1.0.9-cp38-cp38-manylinux1_x86_64.whl (357 kB)
Collecting cffi==1.14.6
Downloading cffi-1.14.6-cp38-cp38-manylinux1_x86_64.whl (411 kB)
Collecting cheroot==8.5.2
Downloading cheroot-8.5.2-py2.py3-none-any.whl (97 kB)
Collecting click==7.1.2
Downloading click-7.1.2-py2.py3-none-any.whl (82 kB)
Collecting cryptography==3.4.7
Downloading cryptography-3.4.7-cp36-abi3-manylinux2014_x86_64.whl (3.2 MB)
Collecting Django==3.2.8
Downloading Django-3.2.8-py3-none-any.whl (7.9 MB)
Collecting django-ckeditor==6.1.0
Downloading django_ckeditor-6.1.0-py2.py3-none-any.whl (2.4 MB)
Collecting django-filter==2.4.0
Downloading django_filter-2.4.0-py3-none-any.whl (73 kB)
Collecting django-js-asset==1.2.2
Downloading django_js_asset-1.2.2-py2.py3-none-any.whl (5.8 kB)
Collecting django-multiselectfield==0.1.12
Downloading django_multiselectfield-0.1.12-py3-none-any.whl (15 kB)
Collecting dnspython==1.16.0
Downloading dnspython-1.16.0-py2.py3-none-any.whl (188 kB)
Collecting email-validator==1.1.3
Downloading email_validator-1.1.3-py2.py3-none-any.whl (18 kB)
Collecting eventlet==0.31.0
Downloading eventlet-0.31.0-py2.py3-none-any.whl (224 kB)
Collecting Flask==1.1.4
Downloading Flask-1.1.4-py2.py3-none-any.whl (94 kB)
Collecting Flask-BabelEx==0.9.4
Downloading Flask_BabelEx-0.9.4-py3-none-any.whl (8.7 kB)
Collecting Flask-Compress==1.10.1
Downloading Flask_Compress-1.10.1-py3-none-any.whl (7.9 kB)
Collecting Flask-Gravatar==0.5.0
Downloading Flask_Gravatar-0.5.0-py2.py3-none-any.whl (7.5 kB)
Collecting Flask-Login==0.5.0
Downloading Flask_Login-0.5.0-py2.py3-none-any.whl (16 kB)
Collecting Flask-Mail==0.9.1
Downloading Flask-Mail-0.9.1.tar.gz (45 kB)
Collecting Flask-Migrate==2.7.0
Downloading Flask_Migrate-2.7.0-py2.py3-none-any.whl (13 kB)
Collecting Flask-Paranoid==0.2.0
Downloading Flask_Paranoid-0.2.0-py2.py3-none-any.whl (4.1 kB)
Collecting Flask-Principal==0.4.0
Downloading Flask-Principal-0.4.0.tar.gz (5.5 kB)
Collecting Flask-Security-Too==4.0.1
Downloading Flask_Security_Too-4.0.1-py2.py3-none-any.whl (244 kB)
Collecting Flask-SocketIO==5.1.0
Downloading Flask_SocketIO-5.1.0-py2.py3-none-any.whl (16 kB)
Collecting Flask-SQLAlchemy==2.5.1
Downloading Flask_SQLAlchemy-2.5.1-py2.py3-none-any.whl (17 kB)
Collecting Flask-WTF==0.15.1
Downloading Flask_WTF-0.15.1-py2.py3-none-any.whl (13 kB)
Collecting greenlet==1.1.0
Downloading greenlet-1.1.0-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (164 kB)
Collecting gunicorn==20.1.0
Downloading gunicorn-20.1.0-py3-none-any.whl (79 kB)
Collecting httpagentparser==1.9.1
Downloading httpagentparser-1.9.1.tar.gz (7.9 kB)
Collecting idna==3.2
Downloading idna-3.2-py3-none-any.whl (59 kB)
Collecting importlib-resources==5.2.2
Downloading importlib_resources-5.2.2-py3-none-any.whl (27 kB)
Collecting itsdangerous==1.1.0
Downloading itsdangerous-1.1.0-py2.py3-none-any.whl (16 kB)
Collecting jaraco.functools==3.3.0
Downloading jaraco.functools-3.3.0-py3-none-any.whl (6.8 kB)
Collecting Jinja2==2.11.3
Downloading Jinja2-2.11.3-py2.py3-none-any.whl (125 kB)
Collecting ldap3==2.9
Downloading ldap3-2.9-py2.py3-none-any.whl (430 kB)
Collecting Mako==1.1.4
Downloading Mako-1.1.4-py2.py3-none-any.whl (75 kB)
Collecting MarkupSafe==2.0.1
Downloading MarkupSafe-2.0.1-cp38-cp38-manylinux2010_x86_64.whl (30 kB)
Collecting more-itertools==8.8.0
Downloading more_itertools-8.8.0-py3-none-any.whl (48 kB)
Collecting paramiko==2.7.2
Downloading paramiko-2.7.2-py2.py3-none-any.whl (206 kB)
Collecting passlib==1.7.4
Downloading passlib-1.7.4-py2.py3-none-any.whl (525 kB)
Collecting pgadmin4==5.4
Downloading pgadmin4-5.4-py3-none-any.whl (99.6 MB)
Collecting Pillow==8.3.1
Downloading Pillow-8.3.1-cp38-cp38-manylinux_2_5_x86_64.manylinux1_x86_64.whl (3.0 MB)
Collecting postgres==4.0
Downloading postgres-4.0-py2.py3-none-any.whl (21 kB)
Collecting psutil==5.8.0
Downloading psutil-5.8.0-cp38-cp38-manylinux2010_x86_64.whl (296 kB)
Collecting psycopg2==2.9.1
Downloading psycopg2-2.9.1.tar.gz (379 kB)
Collecting psycopg2-binary==2.8.6
Downloading psycopg2_binary-2.8.6-cp38-cp38-manylinux1_x86_64.whl (3.0 MB)
Collecting psycopg2-pool==1.1
Downloading psycopg2_pool-1.1-py2.py3-none-any.whl (7.3 kB)
Collecting pyasn1==0.4.8
Downloading pyasn1-0.4.8-py2.py3-none-any.whl (77 kB)
Collecting pycparser==2.20
Downloading pycparser-2.20-py2.py3-none-any.whl (112 kB)
Collecting PyNaCl==1.4.0
Downloading PyNaCl-1.4.0-cp35-abi3-manylinux1_x86_64.whl (961 kB)
Collecting python-dateutil==2.8.1
Downloading python_dateutil-2.8.1-py2.py3-none-any.whl (227 kB)
Collecting python-editor==1.0.4
Downloading python_editor-1.0.4-py3-none-any.whl (4.9 kB)
Collecting python-engineio==4.2.0
Downloading python_engineio-4.2.0-py2.py3-none-any.whl (51 kB)
Collecting python-socketio==5.3.0
Downloading python_socketio-5.3.0-py2.py3-none-any.whl (53 kB)
Collecting pytz==2021.1
Downloading pytz-2021.1-py2.py3-none-any.whl (510 kB)
Collecting pywinpty==1.1.1
Downloading pywinpty-1.1.1.tar.gz (48 kB)
Installing build dependencies: started
Installing build dependencies: finished with status 'done'
Getting requirements to build wheel: started
Getting requirements to build wheel: finished with status 'done'
Preparing wheel metadata: started
Preparing wheel metadata: finished with status 'error'
ERROR: Command errored out with exit status 1:
command: /app/.heroku/python/bin/python /app/.heroku/python/lib/python3.8/site-packages/pip/_vendor/pep517/_in_process.py prepare_metadata_for_build_wheel /tmp/tmp5mrz1adn
cwd: /tmp/pip-install-19xig8s3/pywinpty
Complete output (6 lines):
Checking for Rust toolchain...
Cargo, the Rust package manager, is not installed or is not on PATH.
This package requires Rust and Cargo to compile extensions. Install it through
the system's package manager or via https://rustup.rs/
----------------------------------------
ERROR: Command errored out with exit status 1: /app/.heroku/python/bin/python /app/.heroku/python/lib/python3.8/site-packages/pip/_vendor/pep517/_in_process.py prepare_metadata_for_build_wheel /tmp/tmp5mrz1adn Check the logs for full command output.
! Push rejected, failed to compile Python app.
! Push failed
我的 runtime.txt 包含由 heroku 支持的 python 版本 3.8.12。
請建議我該怎么做才能解決此錯誤。
uj5u.com熱心網友回復：
仔細閱讀日志檔案后，這是我建議為干凈部署做的事情。
當 venv 被激活并且您位于專案目錄（所在位置manage.py）時，請執行以下操作：
- 打開需求.txt
- 從requirements.txt中洗掉不需要的模塊
- 卸載不需要的模塊
pip uninstall module - 現在運行
pip freeze requirements.txt - 停用 venv
- 然后添加
requirements.txt到源代碼管理git add -A - 提交您的更改
git commit -m "deleted unneeded modules" - 如果您已經存在 Heroku 應用程式，請使用 連接到它
heroku git:remote -a myapp，否則通過此步驟 - 部署，
git push heroku master
如果您不確定您的專案需要哪些模塊并且我無法準確確定專案的要求，但是如果您有基本專案，則您只需要 3 個模塊，分別是Django, psycopg2-binary, gunicorn，因此請執行以下操作以進行干凈部署：
- 洗掉venv
- 在專案目錄外，新建一個
- 激活venv
- 安裝你需要的模塊，大概
Django，psycopg2-binary，gunicorn - 現在運行
pip freeze requirements.txt - 停用 venv
- 然后添加
requirements.txt到源代碼管理git add -A - 提交您的更改
git commit -m "deleted unneeded modules" - 如果您已經存在 Heroku 應用程式，請使用 連接到它
heroku git:remote -a myapp，否則通過此步驟 - 部署，
git push heroku master
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