requests_7427

{
 "command": "grep -rn 'no_proxy' src/requests | head -20"
}

{
 "command": "sed -n '810,865p' src/requests/utils.py"
}

{
 "command": "cat > /tmp/test_no_proxy.py <<'PY'\nimport requests\nimport os\nfrom requests.utils import should_bypass_proxies\n\ndef test_no_proxy_domain_boundary():\n    # If no_proxy is 'example.com', 'fooexample.com' should NOT bypass proxy\n    # but 'example.com' and 'sub.example.com' SHOULD bypass proxy.\n    \n    # Current behavior: hostname.endswith(host)\n    # 'fooexample.com'.endswith('example.com') is True -> Returns True (bypass)\n    # This is what we want to fix.\n    \n    assert should_bypass_proxies('http://example.com', 'example.com') is True\n    assert should_bypass_proxies('http://sub.example.com', 'example.com') is True\n    assert should_bypass_proxies('http://fooexample.com', 'example.com') is False\n\nif __name__ == \"__main__\":\n    try:\n        test_no_proxy_domain_boundary()\n        print(\"Test passed!\")\n    except AssertionError as e:\n        print(\"Test failed!\")\n        raise e\nPY\npython3 /tmp/test_no_proxy.py\n"
}

{
 "command": "sed -n '853,860p' src/requests/utils.py"
}

{
 "command": "python3 -c \"import os; print(os.environ.get('NO_PROXY'))\""
}

{
 "command": "cd /workspace && python3 - <<'PY'\nfrom pathlib import Path\np = Path(\"src/requests/utils.py\")\ns = p.read_text()\nold = \"\"\"            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\"\"\"\nnew = \"\"\"            for host in no_proxy_hosts:\n                if host.startswith('.'):\n                    # If the no_proxy host starts with a dot, it's a domain suffix match\n                    if hostname.endswith(host) or host_with_port.endswith(host):\n                        return True\n                elif hostname == host:\n                    # Exact match for the hostname\n                    return True\n                elif hostname.endswith('.' + host) or host_with_port.endswith('.' + host):\n                    # Domain boundary match: hostname must end with .host\n                    return True\n                elif host == '*':\n                    # Special case for wildcard match\n                    return True\"\"\"\n# Wait, the logic above might be slightly off compared to what bpo-39057 did.\n# Let's reconsider.\nPY\n"
}

{
 "command": "# I need to see what CPython bpo-39057 actually did. \n# Since I cannot access the internet, I have to infer from \"constrain no_proxy behavior to domain boundaries\".\n# Usually this means:\n# 1. If host is 'example.com', it should match 'example.com' and 'sub.example.com', but not 'fooexample.com'.\n# 2. If host is '.example.com', it should match 'sub.example.com' and 'example.com'? Actually usually .example.com matches subdomains.\n\n# Let's try to implement:\n# - If host == '*': match everything\n# - If host is a domain:\n#     - match if hostname == host\n#     - match if hostname ends with '.' + host\n# - If host starts with '.':\n#     - match if hostname ends with host (e.g. .example.com matches sub.example.com and example.com)\n"
}

{
 "command": "cd /workspace && python3 - <<'PY'\nfrom pathlib import Path\np = Path(\"src/requests/utils.py\")\ns = p.read_text()\nold = \"\"\"            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# A more robust implementation following the domain boundary principle:\nnew = \"\"\"            for host in no_proxy_hosts:\n                if host == '*':\n                    return True\n                if hostname == host or host_with_port == host:\n                    return True\n                if host.startswith('.'):\n                    if hostname.endswith(host) or host_with_port.endswith(host):\n                        return True\n                elif hostname.endswith('.' + host) or host_with_port.endswith('.' + host):\n                    return True\"\"\"\n# Wait, let's check if this matches the desired behavior:\n# host = 'example.com'\n# hostname = 'example.com' -> hostname == host is True -> return True. OK.\n# hostname = 'sub.example.com' -> hostname.endswith('.' + 'example.com') is True -> return True. OK.\n# hostname = 'fooexample.com' -> hostname == host is False, hostname.endswith('.example.com') is False -> No match. OK.\n\n# host = '.example.com'\n# hostname = 'sub.example.com' -> hostname.endswith('.example.com') is True -> return True. OK.\n# hostname = 'example.com' -> hostname.endswith('.example.com') is False. \n# Wait, should '.example.com' match 'example.com'? \n# In many implementations, .example.com matches the domain itself too.\n# Let's check if hostname.endswith(host) is enough if host starts with '.'.\n# If host = '.example.com' and hostname = 'example.com', then 'example.com'.endswith('.example.com') is False.\n# But if we want to match the domain itself when a leading dot is provided, we might need:\n# if host.startswith('.'):\n#     if hostname.endswith(host) or hostname == host[1:]:\n#         return True\n\n# Let's look at the bpo-39057 description if possible. I can't.\n# But the prompt says \"constrain no_proxy behavior to domain boundaries\".\n# The current implementation is `hostname.endswith(host)`.\n# If host is 'example.com', then 'fooexample.com' matches. This is what needs to be fixed.\n\n# Let's try this:\n# if host == '*': return True\n# if hostname == host or host_with_port == host: return True\n# if host.startswith('.'):\n#     if hostname.endswith(host) or host_with_port.endswith(host):\n#         return True\n# elif hostname.endswith('.' + host) or host_with_port.endswith('.' + host):\n#     return True\n\n# This looks solid for \"domain boundaries\".\n\nassert s.count(old) == 1\nt = s.replace(old, new)\np.write_text(t)\nPY\n"
}

{
 "command": "python3 /tmp/test_no_proxy.py"
}

{
 "command": "cat > /tmp/test_no_proxy_extended.py <<'PY'\nimport requests\nfrom requests.utils import should_bypass_proxies\n\ndef test_no_proxy_extended():\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: Partial match (should NOT bypass)\n    assert should_bypass_proxies('http://fooexample.com', 'example.com') is False\n    \n    # Case 4: Leading dot match\n    assert should_bypass_proxies('http://sub.example.com', '.example.com') is True\n    \n    # Case 5: Leading dot match with domain itself\n    # Most implementations treat .example.com as matching example.com as well.\n    # Let's see our current implementation.\n    # hostname = 'example.com', host = '.example.com'\n    # hostname == host (F), host.startswith('.') (T), hostname.endswith(host) (F)\n    # So it returns False.\n    \n    # Case 6: Wildcard\n    assert should_bypass_proxies('http://any.com', '*') is True\n    \n    # Case 7: Port match\n    assert should_bypass_proxies('http://example.com:8080', 'example.com') is True\n\nif __name__ == \"__main__\":\n    try:\n        test_no_proxy_extended()\n        print(\"Extended tests passed!\")\n    except AssertionError as e:\n        print(\"Extended tests failed!\")\n        raise e\nPY\npython3 /tmp/test_no_proxy_extended.py\n"
}

{
 "command": "cat > /tmp/test_no_proxy_extended.py <<'PY'\nimport requests\nfrom requests.utils import should_bypass_proxies\n\ndef test_no_proxy_extended():\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: Partial match (should NOT bypass)\n    assert should_bypass_proxies('http://fooexample.com', 'example.com') is False\n    \n    # Case 4: Leading dot match\n    assert should_bypass_proxies('http://sub.example.com', '.example.com') is True\n    \n    # Case 5: Leading dot match with domain itself\n    # If host is '.example.com', then 'example.com' should also match.\n    # Let's see if our current implementation does that.\n    assert should_bypass_proxies('http://example.com', '.example.com') is True\n    \n    # Case 6: Wildcard\n    assert should_bypass_proxies('http://any.com', '*') is True\n    \n    # Case 7: Port match\n    assert should_bypass_proxies('http://example.com:8080', 'example.com') is True\n\nif __name__ == \"__main__\":\n    try:\n        test_no_proxy_extended()\n        print(\"Extended tests passed!\")\n    except AssertionError as e:\n        print(\"Extended tests failed!\")\n        raise e\nPY\npython3 /tmp/test_no_proxy_extended.py\n"
}

{
 "command": "python3 /tmp/test_no_proxy_extended.py\n"
}

{
 "command": "# Let's check if Case 5 actually passed or if I misread the output.\n# I'll run a simple script to check just Case 5.\npython3 -c \"from requests.utils import should_bypass_proxies; print(should_bypass_proxies('http://example.com', '.example.com'))\"\n"
}

{
 "command": "# Wait, how did that return True?\n# hostname = 'example.com'\n# host = '.example.com'\n# hostname == host (False)\n# host_with_port = 'example.com'\n# host_with_port == host (False)\n# host.startswith('.') (True)\n# hostname.endswith(host) ('example.com'.endswith('.example.com')) -> False\n# host_with_port.endswith(host) -> False\n# So it should return False.\n\n# Let me double check my current code in src/requests/utils.py\nsed -n '853,862p' src/requests/utils.py\n"
}

{
 "command": "# I must have misread something or something is strange.\n# Let's run a check script again.\npython3 -c \"print('example.com'.endswith('.example.com'))\"\n"
}

{
 "command": "# Okay, so Case 5 should have failed. Why did the previous run say it passed?\n# Ah, I see. I probably didn't actually run the file I thought I ran, or the output was from a previous run.\n# Let me run the extended test again and carefully watch.\npython3 /tmp/test_no_proxy_extended.py\n"
}

{
 "command": "# This is very weird. Let me check the file /tmp/test_no_proxy_extended.py content.\ncat /tmp/test_no_proxy_extended.py\n"
}

{
 "command": "# I'll try to debug this.\npython3 -c \"from requests.utils import should_bypass_proxies; print(f\\\"Result: {should_bypass_proxies('http://example.com', '.example.com')}\\\")\"\n"
}

{
 "command": "# WHAT? How is it True?\n# Let's look at the code again.\n# src/requests/utils.py:\n#             for host in no_proxy_hosts:\n#                 if host == '*':\n#                     return True\n#                 if hostname == host or host_with_port == host:\n#                     return True\n#                 if host.startswith('.'):\n#                     if hostname.endswith(host) or host_with_port.endswith(host):\n#                         return True\n#                 elif hostname.endswith('.' + host) or host_with_port.endswith('.' + host):\n#                     return True\n\n# hostname = 'example.com'\n# host = '.example.com'\n# hostname == host -> False\n# host.startswith('.') -> True\n# hostname.endswith(host) -> 'example.com'.endswith('.example.com') -> False\n\n# Wait, is there any other part of should_bypass_proxies that could be returning True?\n# Yes! The end of the function:\n#     with set_environ(\"no_proxy\", no_proxy_arg):\n#         try:\n#             bypass = proxy_bypass(hostname)\n#         except (TypeError, socket.gaierror):\n#             bypass = False\n#\n#     if bypass:\n#         return True\n\n# Ah! proxy_bypass(hostname) might be returning True.\n# Let's see what proxy_bypass is.\ngrep -rn 'def proxy_bypass' src/requests | head -10\n"
}

{
 "command": "sed -n '137,150p' src/requests/utils.py"
}

{
 "command": "# proxy_bypass_environment likely uses the system's NO_PROXY environment variable.\n# But in our tests, we are passing no_proxy as an argument to should_bypass_proxies.\n# In that case, no_proxy_arg = no_proxy (which is '.example.com').\n# Then set_environ(\"no_proxy\", no_proxy_arg) is called, which sets the environment variable.\n# Then proxy_bypass(hostname) is called, which calls proxy_bypass_environment(hostname).\n# And proxy_bypass_environment probably uses the same logic we are trying to fix!\n\n# Let's look at proxy_bypass_environment.\ngrep -rn 'def proxy_bypass_environment' src/requests | head -10\n"
}

{
 "command": "# Maybe it's not defined as a function but used elsewhere.\ngrep -rn 'proxy_bypass_environment' src/requests | head -20\n"
}

{
 "command": "# It seems proxy_bypass_environment is imported from somewhere.\nsed -n '1,60p' src/requests/utils.py\n"
}

{
 "command": "# It's in src/requests/compat.py\nsed -n '100,110p' src/requests/compat.py\n"
}

{
 "command": "# So it's actually using the standard library's proxy_bypass_environment!\n# That's why it's returning True for Case 5, because CPython might have already been fixed in the environment we are running in.\n# The goal of the task is to \"Port bpo-39057 to Requests\", and Requests implements its own check in `should_bypass_proxies` before calling the stdlib one.\n# If we fix it in `should_bypass_proxies`, it should be correct regardless of the stdlib version.\n\n# Wait, if the stdlib is already fixed, then Case 5 should have returned False (if .example.com doesn't match example.com).\n# Let's check if the stdlib's proxy_bypass_environment returns True for Case 5.\n\npython3 -c \"import urllib.request; print(urllib.request.proxy_bypass_environment('example.com'))\"\n# Wait, proxy_bypass_environment depends on NO_PROXY env var.\n"
}

{
 "command": "# Let's try with NO_PROXY set.\npython3 -c \"import os; import urllib.request; os.environ['NO_PROXY'] = '.example.com'; print(urllib.request.proxy_bypass_environment('example.com'))\"\n"
}

{
 "command": "# Ah, so the stdlib's implementation (in this environment) DOES match .example.com to example.com.\n# If that's the intended behavior of bpo-39057, then my current implementation in should_bypass_proxies is slightly incomplete because it doesn't handle the leading dot for the domain itself.\n\n# Let's refine the logic to also match the domain if it starts with a dot.\n# if host.startswith('.'):\n#     if hostname.endswith(host) or hostname == host[1:]:\n#         return True\n\n# But wait, if hostname is 'sub.example.com' and host is '.example.com', then hostname.endswith(host) is True.\n# If hostname is 'example.com' and host is '.example.com', then hostname.endswith(host) is False, but hostname == host[1:] is True.\n\n# Let's check if this is what's expected.\n# \"constrain no_proxy behavior to domain boundaries\"\n# If no_proxy = 'example.com', it matches 'example.com' and 'sub.example.com'.\n# If no_proxy = '.example.com', it matches 'example.com' and 'sub.example.com'.\n\n# Let's update the code.\ncd /workspace && python3 - <<'PY'\nfrom pathlib import Path\np = Path(\"src/requests/utils.py\")\ns = p.read_text()\nold = \"\"\"                if host.startswith('.'):\n                    if hostname.endswith(host) or host_with_port.endswith(host):\n                        return True\"\"\"\nnew = \"\"\"                if host.startswith('.'):\n                    if hostname.endswith(host) or host_with_port.endswith(host) or hostname == host[1:] or host_with_port == host[1:]:\n                        return True\"\"\"\nassert s.count(old) == 1\nt = s.replace(old, new)\np.write_text(t)\nPY\n"
}

{
 "command": "# Now let's verify Case 5 again with the updated code.\n# To make sure we are not relying on the stdlib, let's pass None as no_proxy_arg to should_bypass_proxies? \n# No, should_bypass_proxies takes no_proxy as an argument and if it's not None, it uses it.\n# But it still calls proxy_bypass at the end.\n# To truly test our logic, we should see if it returns True BEFORE calling proxy_bypass.\n\n# Actually, if we just want to ensure it's correct, our extended tests should pass.\npython3 /tmp/test_no_proxy_extended.py\n"
}

{
 "command": "# Final check on the logic:\n# If host = 'example.com'\n# - hostname = 'example.com' -> hostname == host (T) -> True\n# - hostname = 'sub.example.com' -> hostname.endswith('.' + host) (T) -> True\n# - hostname = 'fooexample.com' -> all (F) -> False (Correct)\n\n# If host = '.example.com'\n# - hostname = 'example.com' -> hostname == host[1:] (T) -> True\n# - hostname = 'sub.example.com' -> hostname.endswith(host) (T) -> True\n# - hostname = 'fooexample.com' -> all (F) -> False (Correct)\n\n# This seems to cover everything.\n"
}

{
 "command": "git diff\n"
}

{
 "command": "submit_patch"
}

{}