[英]“ModuleNotFoundError(”No module named 'MySQLdb'“,)” when deploying a OpenLiteSpeed django solution on GCP
我正在測試谷歌雲平台,我在谷歌計算引擎上部署了一個帶有 Ubuntu VM 的 OpenLiteSpeed Django 解決方案。 部署后,一切都像一個魅力,我能夠到達“你好,世界”起始頁面。
當我嘗試通過將/usr/local/lsws/Example/html/demo/app
中的views.py
文件更改為:
import MySQLdb
from django.shortcuts import render
from django.http import HttpResponse
def getFromDB():
data = []
db = MySQLdb.connect(host="ip",
user="user",
passwd="pw",
db="db")
cur = db.cursor()
cur.execute("SELECT * FROM table")
for student in students:
data.append(student)
return data
def index(request):
return HttpResponse(getFromDB)
並再次訪問 IP 我遇到了以下回溯和錯誤:
Environment:
Request Method: GET
Request URL: http://ip/
Django Version: 3.0.3
Python Version: 3.6.9
Installed Applications:
['django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles']
Installed Middleware:
['django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware']
Traceback (most recent call last):
File "/usr/local/lsws/Example/html/lib/python3.6/site-packages/django/core/handlers/exception.py", line 34, in inner
response = get_response(request)
File "/usr/local/lsws/Example/html/lib/python3.6/site-packages/django/core/handlers/base.py", line 100, in _get_response
resolver_match = resolver.resolve(request.path_info)
File "/usr/local/lsws/Example/html/lib/python3.6/site-packages/django/urls/resolvers.py", line 544, in resolve
for pattern in self.url_patterns:
File "/usr/local/lsws/Example/html/lib/python3.6/site-packages/django/utils/functional.py", line 48, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File "/usr/local/lsws/Example/html/lib/python3.6/site-packages/django/urls/resolvers.py", line 588, in url_patterns
patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
File "/usr/local/lsws/Example/html/lib/python3.6/site-packages/django/utils/functional.py", line 48, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File "/usr/local/lsws/Example/html/lib/python3.6/site-packages/django/urls/resolvers.py", line 581, in urlconf_module
return import_module(self.urlconf_name)
File "/usr/local/lsws/Example/html/lib/python3.6/importlib/__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 994, in _gcd_import
<source code not available>
File "<frozen importlib._bootstrap>", line 971, in _find_and_load
<source code not available>
File "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked
<source code not available>
File "<frozen importlib._bootstrap>", line 665, in _load_unlocked
<source code not available>
File "<frozen importlib._bootstrap_external>", line 678, in exec_module
<source code not available>
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
<source code not available>
File "/usr/local/lsws/Example/html/demo/demo/urls.py", line 18, in <module>
from app import views
File "/usr/local/lsws/Example/html/demo/app/views.py", line 1, in <module>
import MySQLdb
Exception Type: ModuleNotFoundError at /
Exception Value: No module named 'MySQLdb'
我嘗試在/usr/bin
目錄中運行./pip3 install mysqlclient
以及sudo apt install python3-dev
和sudo apt install libmysqlclient-dev
,但沒有成功。 有人能幫忙嗎? 我是使用應用程序的新手。
更新:所以,通過嘗試一堆不同的東西,我終於通過 cd'ing 進入/usr/bin
並執行sudo -H./pip3 install mysqlclient
來解決問題。 我不完全確定為什么在執行./pip3 install mysqlclient
時它沒有給我任何權限錯誤 - 但是現在問題已解決。
是否安裝了 MySQLdb? 進入 pip3 list 看到了嗎?
我在文檔中看到建議是像這樣導入 MySQLdb。
from MySQLdb import _mysql
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