sys.version_info(major=3, minor=9, micro=2, releaselevel='final', serial=0)
test
{'COOKIES': '',
 'DOCUMENT_NAME': 'subserver.py.cgi',
 'DOCUMENT_ROOT': '/srv/www/roxen/',
 'DOCUMENT_URI': '/~hugo/tmp/hack2/subserver.py.cgi',
 'GATEWAY_INTERFACE': 'CGI/1.1',
 'HTTP_ACCEPT': '*/*',
 'HTTP_ACCEPT_ENCODING': 'gzip, br, zstd, deflate',
 'HTTP_CONNECTION': 'close',
 'HTTP_HOST': 'localhost:8081',
 'HTTP_USER_AGENT': 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; '
                    'compatible; ClaudeBot/1.0; +claudebot@anthropic.com)',
 'LAST_MODIFIED': 'Fri, 13 Dec 2019 15:21:06 GMT',
 'LC_CTYPE': 'C.UTF-8',
 'REMOTE_ADDR': '172.18.0.1',
 'REMOTE_PORT': '45538',
 'REQUEST_METHOD': 'GET',
 'REQUEST_URI': '/~hugo/tmp/hack2/subserver.py.cgi',
 'SCRIPT_FILENAME': '/srv/www/users/hugo/tmp/hack2/subserver.py.cgi',
 'SCRIPT_NAME': '/~hugo/tmp/hack2/subserver.py.cgi',
 'SERVER_NAME': 'www.lysator.liu.se',
 'SERVER_PORT': '8080',
 'SERVER_PROTOCOL': 'HTTP/1.0',
 'SERVER_SOFTWARE': 'Roxen/8.2.668-git',
 'SERVER_URL': 'https://www.lysator.liu.se/',
 'SUPPORTS': 'center html cookies frames ssl trade vary javascript java tables '
             'font images forms gifinline mailto noscript divisions supsub '
             'bigsmall align jpeginline imagealign pull backgrounds autogunzip '
             'js_image_object pjpeginline fontcolor tablecolor stylesheets '
             'tableimages pnginline js_inner_html div',
 'SUPPORTS_align': 'true',
 'SUPPORTS_autogunzip': 'true',
 'SUPPORTS_backgrounds': 'true',
 'SUPPORTS_bigsmall': 'true',
 'SUPPORTS_center': 'true',
 'SUPPORTS_cookies': 'true',
 'SUPPORTS_div': 'true',
 'SUPPORTS_divisions': 'true',
 'SUPPORTS_font': 'true',
 'SUPPORTS_fontcolor': 'true',
 'SUPPORTS_forms': 'true',
 'SUPPORTS_frames': 'true',
 'SUPPORTS_gifinline': 'true',
 'SUPPORTS_html': 'true',
 'SUPPORTS_imagealign': 'true',
 'SUPPORTS_images': 'true',
 'SUPPORTS_java': 'true',
 'SUPPORTS_javascript': 'true',
 'SUPPORTS_jpeginline': 'true',
 'SUPPORTS_js_image_object': 'true',
 'SUPPORTS_js_inner_html': 'true',
 'SUPPORTS_mailto': 'true',
 'SUPPORTS_noscript': 'true',
 'SUPPORTS_pjpeginline': 'true',
 'SUPPORTS_pnginline': 'true',
 'SUPPORTS_pull': 'true',
 'SUPPORTS_ssl': 'true',
 'SUPPORTS_stylesheets': 'true',
 'SUPPORTS_supsub': 'true',
 'SUPPORTS_tablecolor': 'true',
 'SUPPORTS_tableimages': 'true',
 'SUPPORTS_tables': 'true',
 'SUPPORTS_trade': 'true',
 'SUPPORTS_vary': 'true'}
stderr = stdout
os.geteuid() :  65534
os.getcwd() :  /
os.listdir() :  ['home', 'opt', 'media', 'boot', 'tmp', 'etc', 'var', 'usr', 'mnt', 'sys', 'proc', 'bin', 'root', 'sbin', 'run', 'lib', 'lib64', 'dev', 'srv', '.dockerenv']
==================================================

uid=65534(nobody) gid=65534(nogroup) groups=65534(nogroup)

==================================================
asdf
unicode:
asåädf
tes2
öΑΒΓΔ
Content-Type: text/plain

sys.version_info(major=3, minor=9, micro=2, releaselevel='final', serial=0)
test
{'COOKIES': '',
 'DOCUMENT_NAME': 'subserver.py.cgi',
 'DOCUMENT_ROOT': '/srv/www/roxen/',
 'DOCUMENT_URI': '/~hugo/tmp/hack2/subserver.py.cgi',
 'GATEWAY_INTERFACE': 'CGI/1.1',
 'HTTP_ACCEPT': '*/*',
 'HTTP_ACCEPT_ENCODING': 'gzip, br, zstd, deflate',
 'HTTP_CONNECTION': 'close',
 'HTTP_HOST': 'localhost:8081',
 'HTTP_USER_AGENT': 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; '
                    'compatible; ClaudeBot/1.0; +claudebot@anthropic.com)',
 'LAST_MODIFIED': 'Fri, 13 Dec 2019 15:21:06 GMT',
 'LC_CTYPE': 'C.UTF-8',
 'REMOTE_ADDR': '172.18.0.1',
 'REMOTE_PORT': '45538',
 'REQUEST_METHOD': 'GET',
 'REQUEST_URI': '/~hugo/tmp/hack2/subserver.py.cgi',
 'SCRIPT_FILENAME': '/srv/www/users/hugo/tmp/hack2/subserver.py.cgi',
 'SCRIPT_NAME': '/~hugo/tmp/hack2/subserver.py.cgi',
 'SERVER_NAME': 'www.lysator.liu.se',
 'SERVER_PORT': '8080',
 'SERVER_PROTOCOL': 'HTTP/1.0',
 'SERVER_SOFTWARE': 'Roxen/8.2.668-git',
 'SERVER_URL': 'https://www.lysator.liu.se/',
 'SUPPORTS': 'center html cookies frames ssl trade vary javascript java tables '
             'font images forms gifinline mailto noscript divisions supsub '
             'bigsmall align jpeginline imagealign pull backgrounds autogunzip '
             'js_image_object pjpeginline fontcolor tablecolor stylesheets '
             'tableimages pnginline js_inner_html div',
 'SUPPORTS_align': 'true',
 'SUPPORTS_autogunzip': 'true',
 'SUPPORTS_backgrounds': 'true',
 'SUPPORTS_bigsmall': 'true',
 'SUPPORTS_center': 'true',
 'SUPPORTS_cookies': 'true',
 'SUPPORTS_div': 'true',
 'SUPPORTS_divisions': 'true',
 'SUPPORTS_font': 'true',
 'SUPPORTS_fontcolor': 'true',
 'SUPPORTS_forms': 'true',
 'SUPPORTS_frames': 'true',
 'SUPPORTS_gifinline': 'true',
 'SUPPORTS_html': 'true',
 'SUPPORTS_imagealign': 'true',
 'SUPPORTS_images': 'true',
 'SUPPORTS_java': 'true',
 'SUPPORTS_javascript': 'true',
 'SUPPORTS_jpeginline': 'true',
 'SUPPORTS_js_image_object': 'true',
 'SUPPORTS_js_inner_html': 'true',
 'SUPPORTS_mailto': 'true',
 'SUPPORTS_noscript': 'true',
 'SUPPORTS_pjpeginline': 'true',
 'SUPPORTS_pnginline': 'true',
 'SUPPORTS_pull': 'true',
 'SUPPORTS_ssl': 'true',
 'SUPPORTS_stylesheets': 'true',
 'SUPPORTS_supsub': 'true',
 'SUPPORTS_tablecolor': 'true',
 'SUPPORTS_tableimages': 'true',
 'SUPPORTS_tables': 'true',
 'SUPPORTS_trade': 'true',
 'SUPPORTS_vary': 'true'}
stderr = stdout
os.geteuid() :  65534
os.getcwd() :  /
os.listdir() :  ['home', 'opt', 'media', 'boot', 'tmp', 'etc', 'var', 'usr', 'mnt', 'sys', 'proc', 'bin', 'root', 'sbin', 'run', 'lib', 'lib64', 'dev', 'srv', '.dockerenv']
==================================================

uid=65534(nobody) gid=65534(nogroup) groups=65534(nogroup)

==================================================
Traceback (most recent call last):
  File "/srv/www/users/hugo/tmp/hack2/subserver.py.cgi", line 39, in <module>
    with socketserver.TCPServer(("", 8040), Handler) as httpd:
  File "/usr/lib/python3.9/socketserver.py", line 452, in __init__
    self.server_bind()
  File "/usr/lib/python3.9/socketserver.py", line 466, in server_bind
    self.socket.bind(self.server_address)
OSError: [Errno 98] Address already in use