小编raj*_*247的帖子

在跑步

$ psql

我收到这个错误

dyld: lazy symbol binding failed: Symbol not found: 
_PQsetErrorContextVisibility
Referenced from: /usr/local/bin/psql
Expected in: /usr/local/lib/libpq.5.dylib

dyld: Symbol not found: _PQsetErrorContextVisibility
Referenced from: /usr/local/bin/psql
Expected in: /usr/local/lib/libpq.5.dylib

Abort trap: 6

我尝试了一些事情:

1. 很少有帖子建议更新brew
2. 很少有人建议将/ usr/local/bin/psql添加到〜/ .bash_profile并重新启动系统
3. 很少有人说这是XCode的问题,但是我没有安装XCode所以它对我来说无效.

但它都没有奏效.

我的bash_profile看起来像这样

PATH="/usr/local/bin/psql:/usr/local/sbin:/usr/local/bin:/sbin:/bin
:/usr/sbin:/usr/bin:/root/bin:/usr/local/bin/geckodrive??r:$PATH"
export PATH

我在用:

• psql(PostgreSQL)9.6.2
• macOS Sierra版本10.12.3

我正在使用 pythonrequests并做一个post

import requests  
response = requests.post('https://petdogs.net/search/?input=abcdefgh', 
headers=HEADERS, 
allow_redirects=False)

print(response.headers)

这些是我可以在浏览器的开发人员工具中看到的标头中的值response，我想获取其值location

content-language: en-gb
content-length: 0
content-type: text/html; charset=utf-8
date: Wed, 07 Jul 2021 17:44:52 GMT
location: /product/id=12345/
server: nginx/1.14.0 (Ubuntu)
vary: Accept-Language, Cookie, Origin
x-content-type-options: nosniff
x-frame-options: DENY

但当我这样做时，print(response.headers)我只看到这个

{'Server': 'nginx/1.14.0 (Ubuntu)', 'Date': 'Wed, 07 Jul 2021 18:23:45 GMT',
'Content-Type': 'text/html', 'Transfer-Encoding': 'chunked', 'Connection': 'keep-alive',
 'X-Frame-Options': 'DENY', 'Vary': 'Accept-Language, Origin', 
'Content-Language': 'en', 'X-Content-Type-Options': 'nosniff', 'Content-Encoding': 'gzip'}

并且 location失踪了

我看到几个回答都谈到了

'Access-Control-Expose-Headers': 'Location' …