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33 lines
1.2 KiB
Python
33 lines
1.2 KiB
Python
from urllib.parse import urlparse, urlunparse
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from openhands.utils.environment import is_running_in_docker
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def replace_localhost_hostname_for_docker(
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url: str, replacement: str = 'host.docker.internal'
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) -> str:
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"""Replace localhost hostname in URL with the specified replacement when running in Docker.
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This function only performs the replacement when the code is running inside a Docker
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container. When not running in Docker, it returns the original URL unchanged.
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Only replaces the hostname if it's exactly 'localhost', preserving all other
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parts of the URL including port, path, query parameters, etc.
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Args:
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url: The URL to process
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replacement: The hostname to replace localhost with (default: 'host.docker.internal')
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Returns:
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URL with localhost hostname replaced if running in Docker and hostname is localhost,
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otherwise returns the original URL unchanged
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"""
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if not is_running_in_docker():
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return url
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parsed = urlparse(url)
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if parsed.hostname == 'localhost':
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# Replace only the hostname part, preserving port and everything else
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netloc = parsed.netloc.replace('localhost', replacement, 1)
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return urlunparse(parsed._replace(netloc=netloc))
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return url
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