Merge pull request pypa#11940 from sbidoul/imp-req-file-parser-sbi

honnix · Apr 10, 2023 · aebc0c5 · aebc0c5
2 parents 3ac7e10 + 2f1d4a0
commit aebc0c5
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diff --git a/news/11935.feature.rst b/news/11935.feature.rst
@@ -0,0 +1 @@
+Warn if ``--hash`` is used on a line without requirement in a requirements file.
diff --git a/src/pip/_internal/req/req_file.py b/src/pip/_internal/req/req_file.py
@@ -2,6 +2,7 @@
 Requirements file parsing
 """
 
+import logging
 import optparse
 import os
 import re
@@ -77,6 +78,8 @@
 # the 'dest' string values
 SUPPORTED_OPTIONS_REQ_DEST = [str(o().dest) for o in SUPPORTED_OPTIONS_REQ]
 
+logger = logging.getLogger(__name__)
+
 
 class ParsedRequirement:
     def __init__(
@@ -210,6 +213,13 @@ def handle_option_line(
     options: Optional[optparse.Values] = None,
     session: Optional[PipSession] = None,
 ) -> None:
+    if opts.hashes:
+        logger.warning(
+            "%s line %s has --hash but no requirement, and will be ignored.",
+            filename,
+            lineno,
+        )
+
     if options:
         # percolate options upward
         if opts.require_hashes: