← eval7_submission_v1n

requests_7427

resolved RESOLVED UNSUBMITTED PASS · 22 tool calls · 308 s · psf/requests

Task input

Port bpo-39057 to Requests

This PR ports a [fix](https://bugs.python.org/issue39057) from CPython to constrain no_proxy behavior to domain boundaries. This was originally undefined behavior when Requests implemented `no_proxy` support but has since had bug fixes released in both CPython and Curl. We'll follow suit to conform with ecosystem expectations and resolve long standing issue #4795.

Tool calls (22)

#ToolArgumentsResult
1run_command
{
 "command": "grep -rn \"no_proxy\" src/requests | head -20"
}
{"status": "ok", "stdout": "src/requests/sessions.py:840: no_proxy = proxies.get(\"no_proxy\") if proxies is not None else None\nsrc/requests/sessions.py:841: e
full
{"status": "ok", "stdout": "src/requests/sessions.py:840:            no_proxy = proxies.get(\"no_proxy\") if proxies is not None else None\nsrc/requests/sessions.py:841:            env_proxies = get_environ_proxies(url, no_proxy=no_proxy)\nsrc/requests/utils.py:765:    Very simple check of the cidr format in no_proxy variable.\nsrc/requests/utils.py:810:def should_bypass_proxies(url: str, no_proxy: str | None) -> bool:\nsrc/requests/utils.py:822:    # First check whether no_proxy is defined. If it is, check that the URL\nsrc/requests/utils.py:823:    # we're getting isn't in the no_proxy list.\nsrc/requests/utils.py:824:    no_proxy_arg = no_proxy\nsrc/requests/utils.py:825:    if no_proxy is None:\nsrc/requests/utils.py:826:        no_proxy = get_proxy(\"no_proxy\")\nsrc/requests/utils.py:834:    if no_proxy:\nsrc/requests/utils.py:837:        no_proxy_hosts = (host for host in no_proxy.replace(\" \", \"\").split(\",\") if host)\nsrc/requests/utils.py:840:            for proxy_ip in no_proxy_hosts:\nsrc/requests/utils.py:845:                    # If no_proxy ip was defined in plain IP notation instead of cidr notation &\nsrc/requests/utils.py:853:            for host in no_proxy_hosts:\nsrc/requests/utils.py:855:                    # The URL does match something in no_proxy, so we don't want\nsrc/requests/utils.py:859:    with set_environ(\"no_proxy\", no_proxy_arg):\nsrc/requests/utils.py:871:def get_environ_proxies(url: str, no_proxy: str | None = None) -> dict[str, str]:\nsrc/requests/utils.py:877:    if should_bypass_proxies(url, no_proxy=no_proxy):\nsrc/requests/utils.py:927:    no_proxy = proxies.get(\"no_proxy\")\nsrc/requests/utils.py:930:    if trust_env and not should_bypass_proxies(url, no_proxy=no_proxy):\n", "stderr": "", "exit_code": 0}
2run_command
{
 "command": "sed -n '810,865p' src/requests/utils.py"
}
{"status": "ok", "stdout": "def should_bypass_proxies(url: str, no_proxy: str | None) -> bool:\n \"\"\"\n Returns whether we should bypass proxies or not.\n\n :
full
{"status": "ok", "stdout": "def should_bypass_proxies(url: str, no_proxy: str | None) -> bool:\n    \"\"\"\n    Returns whether we should bypass proxies or not.\n\n    :rtype: bool\n    \"\"\"\n\n    # Prioritize lowercase environment variables over uppercase\n    # to keep a consistent behaviour with other http projects (curl, wget).\n    def get_proxy(key: str) -> str | None:\n        return os.environ.get(key) or os.environ.get(key.upper())\n\n    # First check whether no_proxy is defined. If it is, check that the URL\n    # we're getting isn't in the no_proxy list.\n    no_proxy_arg = no_proxy\n    if no_proxy is None:\n        no_proxy = get_proxy(\"no_proxy\")\n    parsed = urlparse(url)\n    hostname = parsed.hostname\n\n    if hostname is None:\n        # URLs don't always have hostnames, e.g. file:/// urls.\n        return True\n\n    if no_proxy:\n        # We need to check whether we match here. We need to see if we match\n        # the end of the hostname, both with and without the port.\n        no_proxy_hosts = (host for host in no_proxy.replace(\" \", \"\").split(\",\") if host)\n\n        if is_ipv4_address(hostname):\n            for proxy_ip in no_proxy_hosts:\n                if is_valid_cidr(proxy_ip):\n                    if address_in_network(hostname, proxy_ip):\n                        return True\n                elif hostname == proxy_ip:\n                    # If no_proxy ip was defined in plain IP notation instead of cidr notation &\n                    # matches the IP of the index\n                    return True\n        else:\n            host_with_port = hostname\n            if parsed.port:\n                host_with_port += f\":{parsed.port}\"\n\n            for host in no_proxy_hosts:\n                if hostname.endswith(host) or host_with_port.endswith(host):\n                    # The URL does match something in no_proxy, so we don't want\n                    # to apply the proxies on this URL.\n                    return True\
3run_command
{
 "command": "sed -n '866,870p' src/requests/utils.py"
}
{"status": "ok", "stdout": " return True\n\n return False\n\n\n", "stderr": "", "exit_code": 0}
full
{"status": "ok", "stdout": "        return True\n\n    return False\n\n\n", "stderr": "", "exit_code": 0}
4run_command
{
 "command": "grep -rn \"proxy_bypass\" src/requests | head -20"
}
{"status": "ok", "stdout": "src/requests/compat.py:104: proxy_bypass,\nsrc/requests/compat.py:105: proxy_bypass_environment, # type: ignore[attr-defined] # http
full
{"status": "ok", "stdout": "src/requests/compat.py:104:    proxy_bypass,\nsrc/requests/compat.py:105:    proxy_bypass_environment,  # type: ignore[attr-defined]  # https://github.com/python/cpython/issues/145331\nsrc/requests/utils.py:53:    proxy_bypass,\nsrc/requests/utils.py:54:    proxy_bypass_environment,  # type: ignore[attr-defined]  # https://github.com/python/cpython/issues/145331\nsrc/requests/utils.py:97:    # provide a proxy_bypass version on Windows without DNS lookups\nsrc/requests/utils.py:99:    def proxy_bypass_registry(host: str) -> bool:\nsrc/requests/utils.py:137:    def proxy_bypass(host: str) -> bool:  # noqa\nsrc/requests/utils.py:144:            return proxy_bypass_environment(host)\nsrc/requests/utils.py:146:            return proxy_bypass_registry(host)\nsrc/requests/utils.py:861:            bypass = proxy_bypass(hostname)\n", "stderr": "", "exit_code": 0}
5run_command
{
 "command": "sed -n '853,860p' src/requests/utils.py"
}
{"status": "ok", "stdout": " for host in no_proxy_hosts:\n if hostname.endswith(host) or host_with_port.endswith(host):\n # The URL does match something in no_p
full
{"status": "ok", "stdout": "            for host in no_proxy_hosts:\n                if hostname.endswith(host) or host_with_port.endswith(host):\n                    # The URL does match something in no_proxy, so we don't want\n                    # to apply the proxies on this URL.\n                    return True\n\n    with set_environ(\"no_proxy\", no_proxy_arg):\n        try:\n", "stderr": "", "exit_code": 0}
6run_command
{
 "command": "python3 -c \"import requests; print(requests.__version__)\""
}
{"status": "ok", "stdout": "2.34.0.dev1\n", "stderr": "", "exit_code": 0}
full
{"status": "ok", "stdout": "2.34.0.dev1\n", "stderr": "", "exit_code": 0}
7run_command
{
 "command": "cat <<EOF > /tmp/test_no_proxy.py\nimport os\nimport requests\nfrom requests.utils import should_bypass_proxies\n\ndef test_no_proxy_domain_boundaries():\n    # Case 1: Exact match\n    assert should_bypass_proxies(\"http://example.com\", \"example.com\") is True\n    \n    # Case 2: Subdomain match\n    assert should_bypass_proxies(\"http://sub.example.com\", \"example.com\") is True\n    \n    # Case 3: Should NOT match if it's just a suffix but not a domain boundary\n    # e.g., 'example.com' should not match 'myexample.com'\n    assert should_bypass_proxies(\"http://myexample.com\", \"example.com\") is False\n    \n    # Case 4: Should NOT match if it's just a suffix but not a domain boundary\n    # e.g., 'example.com' should not match 'notexample.com'\n    assert should_bypass_proxies(\"http://notexample.com\", \"example.com\") is False\n\n    # Case 5: Match with port\n    assert should_bypass_proxies(\"http://example.com:8080\", \"example.com\") is True\n    \n    # Case 6: Subdomain match with port\n    assert should_bypass_proxies(\"http://sub.example.com:8080\", \"example.com\") is True\n\n    # Case 7: Should NOT match suffix with port\n    assert should_bypass_proxies(\"http://myexample.com:8080\", \"example.com\") is False\n\n    # Case 8: Multiple no_proxy entries\n    assert should_bypass_proxies(\"http://example.com\", \"google.com,example.com\") is True\n    assert should_bypass_proxies(\"http://google.com\", \"google.com,example.com\") is True\n    assert should_bypass_proxies(\"http://myexample.com\", \"google.com,example.com\") is False\n\nif __name__ == \"__main__\":\n    try:\n        test_no_proxy_domain_boundaries()\n        print(\"All tests passed!\")\n    except AssertionError as e:\n        print(f\"Test failed: {e}\")\n        exit(1)\nEOF\npython3 /tmp/test_no_proxy.py"
}
{"status": "error", "error_type": "CommandError", "error_message": "Test failed: \n", "details": {"stdout": "Test failed: \n", "stderr": "", "exit_code": 1}}
full
{"status": "error", "error_type": "CommandError", "error_message": "Test failed: \n", "details": {"stdout": "Test failed: \n", "stderr": "", "exit_code": 1}}
8run_command
{
 "command": "python3 -c \"from requests.utils import should_bypass_proxies; print(f'myexample.com match example.com: {should_bypass_proxies(\\\"http://myexample.com\\\", \\\"example.com\\\")}')\""
}
{"status": "ok", "stdout": "myexample.com match example.com: True\n", "stderr": "", "exit_code": 0}
full
{"status": "ok", "stdout": "myexample.com match example.com: True\n", "stderr": "", "exit_code": 0}
9run_command
{
 "command": "sed -n '853,860p' src/requests/utils.py"
}
{"status": "ok", "stdout": " for host in no_proxy_hosts:\n if hostname.endswith(host) or host_with_port.endswith(host):\n # The URL does match something in no_p
full
{"status": "ok", "stdout": "            for host in no_proxy_hosts:\n                if hostname.endswith(host) or host_with_port.endswith(host):\n                    # The URL does match something in no_proxy, so we don't want\n                    # to apply the proxies on this URL.\n                    return True\n\n    with set_environ(\"no_proxy\", no_proxy_arg):\n        try:\n", "stderr": "", "exit_code": 0}
10run_command
{
 "command": "cat <<EOF > /tmp/test_no_proxy.py\nimport os\nfrom requests.utils import should_bypass_proxies\n\ndef test_no_proxy_domain_boundaries():\n    # Case 1: Exact match\n    assert should_bypass_proxies(\"http://example.com\", \"example.com\") is True\n    print(\"Case 1 passed\")\n    \n    # Case 2: Subdomain match\n    assert should_bypass_proxies(\"http://sub.example.com\", \"example.com\") is True\n    print(\"Case 2 passed\")\n    \n    # Case 3: Should NOT match if it's just a suffix but not a domain boundary\n    # e.g., 'example.com' should not match 'myexample.com'\n    assert should_bypass_proxies(\"http://myexample.com\", \"example.com\") is False\n    print(\"Case 3 passed\")\n    \n    # Case 4: Should NOT match if it's just a suffix but not a domain boundary\n    # e.g., 'example.com' should not match 'notexample.com'\n    assert should_bypass_proxies(\"http://notexample.com\", \"example.com\") is False\n    print(\"Case 4 passed\")\n\n    # Case 5: Match with port\n    assert should_bypass_proxies(\"http://example.com:8080\", \"example.com\") is True\n    print(\"Case 5 passed\")\n    \n    # Case 6: Subdomain match with port\n    assert should_bypass_proxies(\"http://sub.example.com:8080\", \"example.com\") is True\n    print(\"Case 6 passed\")\n\n    # Case 7: Should NOT match suffix with port\n    assert should_bypass_proxies(\"http://myexample.com:8080\", \"example.com\") is False\n    print(\"Case 7 passed\")\n\n    # Case 8: Multiple no_proxy entries\n    assert should_bypass_proxies(\"http://example.com\", \"google.com,example.com\") is True\n    print(\"Case 8 passed\")\n    assert should_bypass_proxies(\"http://google.com\", \"google.com,example.com\") is True\n    print(\"Case 9 passed\")\n    assert should_bypass_proxies(\"http://myexample.com\", \"google.com,example.com\") is False\n    print(\"Case 10 passed\")\n\nif __name__ == \"__main__\":\n    try:\n        test_no_proxy_domain_boundaries()\n        print(\"All tests passed!\")\n    except AssertionError as e:\n        print(f\"Test failed: {e}\")\n        exit(1)\nEOF\npython3 /tmp/test_no_proxy.py"
}
{"status": "error", "error_type": "CommandError", "error_message": "Case 1 passed\nCase 2 passed\nTest failed: \n", "details": {"stdout": "Case 1 passed\nCase 2
full
{"status": "error", "error_type": "CommandError", "error_message": "Case 1 passed\nCase 2 passed\nTest failed: \n", "details": {"stdout": "Case 1 passed\nCase 2 passed\nTest failed: \n", "stderr": "", "exit_code": 1}}
11run_command
{
 "command": "sed -n '834,860p' src/requests/utils.py"
}
{"status": "ok", "stdout": " if no_proxy:\n # We need to check whether we match here. We need to see if we match\n # the end of the hostname, both with and with
full
{"status": "ok", "stdout": "    if no_proxy:\n        # We need to check whether we match here. We need to see if we match\n        # the end of the hostname, both with and without the port.\n        no_proxy_hosts = (host for host in no_proxy.replace(\" \", \"\").split(\",\") if host)\n\n        if is_ipv4_address(hostname):\n            for proxy_ip in no_proxy_hosts:\n                if is_valid_cidr(proxy_ip):\n                    if address_in_network(hostname, proxy_ip):\n                        return True\n                elif hostname == proxy_ip:\n                    # If no_proxy ip was defined in plain IP notation instead of cidr notation &\n                    # matches the IP of the index\n                    return True\n        else:\n            host_with_port = hostname\n            if parsed.port:\n                host_with_port += f\":{parsed.port}\"\n\n            for host in no_proxy_hosts:\n                if hostname.endswith(host) or host_with_port.endswith(host):\n                    # The URL does match something in no_proxy, so we don't want\n                    # to apply the proxies on this URL.\n                    return True\n\n    with set_environ(\"no_proxy\", no_proxy_arg):\n        try:\n", "stderr": "", "exit_code": 0}
12run_command
{
 "command": "cat <<EOF > /tmp/test_no_proxy.py\nimport os\nfrom requests.utils import should_bypass_proxies\n\ndef test_no_proxy_domain_boundaries():\n    # Case 1: Exact match\n    assert should_bypass_proxies(\"http://example.com\", \"example.com\") is True\n    print(\"Case 1 passed\")\n    \n    # Case 2: Subdomain match\n    assert should_bypass_proxies(\"http://sub.example.com\", \"example.com\") is True\n    print(\"Case 2 passed\")\n    \n    # Case 3: Should NOT match if it's just a suffix but not a domain boundary\n    # e.g., 'example.com' should not match 'myexample.com'\n    assert should_bypass_proxies(\"http://myexample.com\", \"example.com\") is False\n    print(\"Case 3 passed\")\n\nif __name__ == \"__main__\":\n    try:\n        test_no_proxy_domain_boundaries()\n        print(\"All tests passed!\")\n    except AssertionError as e:\n        print(f\"Test failed: {e}\")\n        exit(1)\nEOF\npython3 /tmp/test_no_proxy.py"
}
{"status": "error", "error_type": "CommandError", "error_message": "Case 1 passed\nCase 2 passed\nTest failed: \n", "details": {"stdout": "Case 1 passed\nCase 2
full
{"status": "error", "error_type": "CommandError", "error_message": "Case 1 passed\nCase 2 passed\nTest failed: \n", "details": {"stdout": "Case 1 passed\nCase 2 passed\nTest failed: \n", "stderr": "", "exit_code": 1}}
13run_command
{
 "command": "sed -n '853,860p' src/requests/utils.py"
}
{"status": "ok", "stdout": " for host in no_proxy_hosts:\n if hostname.endswith(host) or host_with_port.endswith(host):\n # The URL does match something in no_p
full
{"status": "ok", "stdout": "            for host in no_proxy_hosts:\n                if hostname.endswith(host) or host_with_port.endswith(host):\n                    # The URL does match something in no_proxy, so we don't want\n                    # to apply the proxies on this URL.\n                    return True\n\n    with set_environ(\"no_proxy\", no_proxy_arg):\n        try:\n", "stderr": "", "exit_code": 0}
14run_command
{
 "command": "cat <<EOF > /tmp/test_no_proxy.py\nimport os\nfrom requests.utils import should_bypass_proxies\n\ndef test_no_proxy_domain_boundaries():\n    # Case 1: Exact match\n    print(f\"Case 1: {should_bypass_proxies('http://example.com', 'example.com')}\")\n    # Case 2: Subdomain match\n    print(f\"Case 2: {should_bypass_proxies('http://sub.example.com', 'example.com')}\")\n    # Case 3: Suffix match (should be False)\n    print(f\"Case 3: {should_bypass_proxies('http://myexample.com', 'example.com')}\")\n\nif __name__ == \"__main__\":\n    test_no_proxy_domain_boundaries()\nEOF\npython3 /tmp/test_no_proxy.py"
}
{"status": "ok", "stdout": "Case 1: True\nCase 2: True\nCase 3: True\n", "stderr": "", "exit_code": 0}
full
{"status": "ok", "stdout": "Case 1: True\nCase 2: True\nCase 3: True\n", "stderr": "", "exit_code": 0}
15run_command
{
 "command": "cat <<EOF > /tmp/test_no_proxy.py\nimport os\nfrom requests.utils import should_bypass_proxies\n\ndef test_no_proxy_domain_boundaries():\n    # Case 1: Exact match\n    print(f\"Case 1: {should_bypass_proxies('http://example.com', 'example.com')}\")\n    # Case 2: Subdomain match\n    print(f\"Case 2: {should_bypass_proxies('http://sub.example.com', 'example.com')}\")\n    # Case 3: Suffix match (should be False)\n    print(f\"Case 3: {should_bypass_proxies('http://myexample.com', 'example.com')}\")\n    # Case 4: Dot prefix match\n    print(f\"Case 4: {should_bypass_proxies('http://.example.com', 'example.com')}\")\n\nif __name__ == \"__main__\":\n    test_no_proxy_domain_boundaries()\nEOF\npython3 /tmp/test_no_proxy.py"
}
{"status": "ok", "stdout": "Case 1: True\nCase 2: True\nCase 3: True\nCase 4: True\n", "stderr": "", "exit_code": 0}
full
{"status": "ok", "stdout": "Case 1: True\nCase 2: True\nCase 3: True\nCase 4: True\n", "stderr": "", "exit_code": 0}
16run_command
{
 "command": "cat <<EOF > /tmp/test_no_proxy.py\nimport os\nfrom requests.utils import should_bypass_proxies\n\ndef test_no_proxy_domain_boundaries():\n    # Case 1: Exact match\n    print(f\"Case 1: {should_bypass_proxies('http://example.com', 'example.com')}\")\n    # Case 2: Subdomain match\n    print(f\"Case 2: {should_bypass_proxies('http://sub.example.com', 'example.com')}\")\n    # Case 3: Suffix match (should be False)\n    print(f\"Case 3: {should_bypass_proxies('http://myexample.com', 'example.com')}\")\n\nif __name__ == \"__main__\":\n    test_no_proxy_domain_boundaries()\nEOF\npython3 /tmp/test_no_proxy.py"
}
{"status": "ok", "stdout": "Case 1: True\nCase 2: True\nCase 3: True\n", "stderr": "", "exit_code": 0}
full
{"status": "ok", "stdout": "Case 1: True\nCase 2: True\nCase 3: True\n", "stderr": "", "exit_code": 0}
17run_command
{
 "command": "sed -n '853,860p' src/requests/utils.py"
}
{"status": "ok", "stdout": " for host in no_proxy_hosts:\n if hostname.endswith(host) or host_with_port.endswith(host):\n # The URL does match something in no_p
full
{"status": "ok", "stdout": "            for host in no_proxy_hosts:\n                if hostname.endswith(host) or host_with_port.endswith(host):\n                    # The URL does match something in no_proxy, so we don't want\n                    # to apply the proxies on this URL.\n                    return True\n\n    with set_environ(\"no_proxy\", no_proxy_arg):\n        try:\n", "stderr": "", "exit_code": 0}
18run_command
{
 "command": "cat <<EOF > /tmp/test_no_proxy.py\nimport os\nfrom requests.utils import should_bypass_proxies\n\ndef test_no_proxy_domain_boundaries():\n    # Case 1: Exact match\n    print(f\"Case 1: {should_bypass_proxies('http://example.com', 'example.com')}\")\n    # Case 2: Subdomain match\n    print(f\"Case 2: {should_bypass_proxies('http://sub.example.com', 'example.com')}\")\n    # Case 3: Suffix match (should be False)\n    print(f\"Case 3: {should_bypass_proxies('http://myexample.com', 'example.com')}\")\n\nif __name__ == \"__main__\":\n    test_no_proxy_domain_boundaries()\nEOF\npython3 /tmp/test_no_proxy.py"
}
{"status": "ok", "stdout": "Case 1: True\nCase 2: True\nCase 3: True\n", "stderr": "", "exit_code": 0}
full
{"status": "ok", "stdout": "Case 1: True\nCase 2: True\nCase 3: True\n", "stderr": "", "exit_code": 0}
19edit_file
{
 "filepath": "src/requests/utils.py",
 "new_string": "            for host in no_proxy_hosts:\n                if hostname == host or hostname.endswith(\\\".\\\" + host) or host_with_port == host or host_with_port.endswith(\\\".\\\" + host):\n                    # The URL does match something in no_proxy, so we don't want\n                    # to apply the proxies on this URL.\n                    return True",
 "old_string": "            for host in no_proxy_hosts:\n                if hostname.endswith(host) or host_with_port.endswith(host):\n                    # The URL does match something in no_proxy, so we don't want\n                    # to apply the proxies on this URL.\n                    return True"
}
{"status": "ok", "filepath": "src/requests/utils.py", "occurrences": 1, "strategy": "exact", "diff": "--- a/src/requests/utils.py\n+++ b/src/requests/utils.py\n
full
{"status": "ok", "filepath": "src/requests/utils.py", "occurrences": 1, "strategy": "exact", "diff": "--- a/src/requests/utils.py\n+++ b/src/requests/utils.py\n@@ -851,7 +851,7 @@\n                 host_with_port += f\":{parsed.port}\"\n \n             for host in no_proxy_hosts:\n-                if hostname.endswith(host) or host_with_port.endswith(host):\n+                if hostname == host or hostname.endswith(\\\".\\\" + host) or host_with_port == host or host_with_port.endswith(\\\".\\\" + host):\n                     # The URL does match something in no_proxy, so we don't want\n                     # to apply the proxies on this URL.\n                     return True\n", "is_truncated": false}
20run_command
{
 "command": "cat <<EOF > /tmp/test_no_proxy.py\nimport os\nfrom requests.utils import should_bypass_proxies\n\ndef test_no_proxy_domain_boundaries():\n    # Case 1: Exact match\n    print(f\"Case 1 (Exact): {should_bypass_proxies('http://example.com', 'example.com')} (Expected: True)\")\n    # Case 2: Subdomain match\n    print(f\"Case 2 (Subdomain): {should_bypass_proxies('http://sub.example.com', 'example.com')} (Expected: True)\")\n    # Case 3: Suffix match (should be False)\n    print(f\"Case 3 (Suffix): {should_bypass_proxies('http://myexample.com', 'example.com')} (Expected: False)\")\n    # Case 4: Match with port\n    print(f\"Case 4 (Port Exact): {should_bypass_proxies('http://example.com:8080', 'example.com')} (Expected: True)\")\n    # Case 5: Subdomain match with port\n    print(f\"Case 5 (Port Subdomain): {should_bypass_proxies('http://sub.example.com:8080', 'example.com')} (Expected: True)\")\n    # Case 6: Suffix match with port (should be False)\n    print(f\"Case 6 (Port Suffix): {should_bypass_proxies('http://myexample.com:8080', 'example.com')} (Expected: False)\")\n\nif __name__ == \"__main__\":\n    test_no_proxy_domain_boundaries()\nEOF\npython3 /tmp/test_no_proxy.py"
}
{"status": "error", "error_type": "CommandError", "error_message": "Traceback (most recent call last):\n File \"/tmp/test_no_proxy.py\", line 2, in <module>\n f
full
{"status": "error", "error_type": "CommandError", "error_message": "Traceback (most recent call last):\n  File \"/tmp/test_no_proxy.py\", line 2, in <module>\n    from requests.utils import should_bypass_proxies\n  File \"/workspace/src/requests/__init__.py\", line 158, in <module>\n    from . import packages, utils\n  File \"/workspace/src/requests/utils.py\", line 854\n    if hostname == host or hostname.endswith(\\\".\\\" + host) or host_with_port == host or host_with_port.endswith(\\\".\\\" + host):\n                                              ^\nSyntaxError: unexpected character after line continuation character\n", "details": {"stdout": "", "stderr": "Traceback (most recent call last):\n  File \"/tmp/test_no_proxy.py\", line 2, in <module>\n    from requests.utils import should_bypass_proxies\n  File \"/workspace/src/requests/__init__.py\", line 158, in <module>\n    from . import packages, utils\n  File \"/workspace/src/requests/utils.py\", line 854\n    if hostname == host or hostname.endswith(\\\".\\\" + host) or host_with_port == host or host_with_port.endswith(\\\".\\\" + host):\n                                              ^\nSyntaxError: unexpected character after line continuation character\n", "exit_code": 1}}
21run_command
{
 "command": "sed -n '850,860p' src/requests/utils.py"
}
{"status": "ok", "stdout": " if parsed.port:\n host_with_port += f\":{parsed.port}\"\n\n for host in no_proxy_hosts:\n if hostname == host or hostname.endswith(
full
{"status": "ok", "stdout": "            if parsed.port:\n                host_with_port += f\":{parsed.port}\"\n\n            for host in no_proxy_hosts:\n                if hostname == host or hostname.endswith(\\\".\\\" + host) or host_with_port == host or host_with_port.endswith(\\\".\\\" + host):\n                    # The URL does match something in no_proxy, so we don't want\n                    # to apply the proxies on this URL.\n                    return True\n\n    with set_environ(\"no_proxy\", no_proxy_arg):\n        try:\n", "stderr": "", "exit_code": 0}
22edit_file
{
 "filepath": "src/requests/utils.py",
 "new_string": "            for host in no_proxy_hosts:\n                if hostname == host or hostname.endswith(\".\" + host) or host_with_port == host or host_with_port.endswith(\".\" + host):\n                    # The URL does match something in no_proxy, so we don't want\n                    # to apply the proxies on this URL.\n                    return True",
 "old_string": "            for host in no_proxy_hosts:\n                if hostname == host or hostname.endswith(\\\".\\\" + host) or host_with_port == host or host_with_port.endswith(\\\".\\\" + host):\n                    # The URL does match something in no_proxy, so we don't want\n                    # to apply the proxies on this URL.\n                    return True"
}
{"status": "ok", "filepath": "src/requests/utils.py", "occurrences": 1, "strategy": "exact", "diff": "--- a/src/requests/utils.py\n+++ b/src/requests/utils.py\n
full
{"status": "ok", "filepath": "src/requests/utils.py", "occurrences": 1, "strategy": "exact", "diff": "--- a/src/requests/utils.py\n+++ b/src/requests/utils.py\n@@ -851,7 +851,7 @@\n                 host_with_port += f\":{parsed.port}\"\n \n             for host in no_proxy_hosts:\n-                if hostname == host or hostname.endswith(\\\".\\\" + host) or host_with_port == host or host_with_port.endswith(\\\".\\\" + host):\n+                if hostname == host or hostname.endswith(\".\" + host) or host_with_port == host or host_with_port.endswith(\".\" + host):\n                     # The URL does match something in no_proxy, so we don't want\n                     # to apply the proxies on this URL.\n                     return True\n", "is_truncated": false}

Patch

diff --git a/src/requests/utils.py b/src/requests/utils.py
index e69ad0d7..34776493 100644
--- a/src/requests/utils.py
+++ b/src/requests/utils.py
@@ -851,7 +851,7 @@ def should_bypass_proxies(url: str, no_proxy: str | None) -> bool:
                 host_with_port += f":{parsed.port}"
 
             for host in no_proxy_hosts:
-                if hostname.endswith(host) or host_with_port.endswith(host):
+                if hostname == host or hostname.endswith("." + host) or host_with_port == host or host_with_port.endswith("." + host):
                     # The URL does match something in no_proxy, so we don't want
                     # to apply the proxies on this URL.
                     return True

Test output

show
..s..................................................................... [ 31%]
........................................................................ [ 62%]
....................................................................ssss [ 94%]
sssssss.....s                                                            [100%]
=============================== warnings summary ===============================
../../../../../../kaggle/tmp/envs/requests/lib/python3.13/site-packages/_pytest/config/__init__.py:1464
  /kaggle/tmp/envs/requests/lib/python3.13/site-packages/_pytest/config/__init__.py:1464: PytestConfigWarning: Unknown config option: timeout
  
    self._warn_or_fail_if_strict(f"Unknown config option: {key}\n")

tests/test_utils.py::TestContentEncodingDetection::test_none
tests/test_utils.py::TestContentEncodingDetection::test_pragmas[<meta charset="UTF-8">]
tests/test_utils.py::TestContentEncodingDetection::test_pragmas[<meta http-equiv="Content-type" content="text/html;charset=UTF-8">]
tests/test_utils.py::TestContentEncodingDetection::test_pragmas[<meta http-equiv="Content-type" content="text/html;charset=UTF-8" />]
tests/test_utils.py::TestContentEncodingDetection::test_pragmas[<?xml version="1.0" encoding="UTF-8"?>]
tests/test_utils.py::TestContentEncodingDetection::test_precedence
  /tmp/swe_work/eval7_submission_v1n/requests_7427/b/workspace/src/requests/utils.py:527: DeprecationWarning: In requests 3.0, get_encodings_from_content will be removed. For more information, please see the discussion on issue #2266. (This warning should only appear once.)
    warnings.warn(

-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
216 passed, 13 skipped, 7 warnings in 0.23s
[2026-09-25 16:48:10,760] WARNING in core: flasgger is not installed; serving the static landing page at / and skipping the Swagger UI and /spec.json.