fix build_id() removal of require (#12019)

conans/model/dependencies.py

@@ -26,6 +26,9 @@ def __bool__(self):
         return bool(self._data)
 
     def get(self, ref, build=None, **kwargs):
+        return self._get(ref, build, **kwargs)[1]
+
+    def _get(self, ref, build=None, **kwargs):
         if build is None:
             current_filters = self._require_filter or {}
             if "build" not in current_filters:
@@ -54,14 +57,14 @@ def get(self, ref, build=None, **kwargs):
         if not ret:
             raise KeyError("'{}' not found in the dependency set".format(ref))
 
-        _, value = ret[0]
-        return value
+        key, value = ret[0]
+        return key, value
 
     def __getitem__(self, name):
         return self.get(name)
 
     def __delitem__(self, name):
-        r = self.get(name)
+        r, _ = self._get(name)
         del self._data[r]
 
     def items(self):

conans/test/integration/package_id/build_id_test.py

@@ -7,6 +7,7 @@
 
 from conans.model.package_ref import PkgReference
 from conans.model.recipe_ref import RecipeReference
+from conans.test.assets.genconanfile import GenConanfile
 from conans.test.utils.tools import TestClient
 from conans.util.files import load
 
@@ -275,3 +276,20 @@ def build(self):
         self.assertIn("ERROR: pkg/0.1@user/channel: Error in build() method, line 5", client.out)
         client.run("create . --name=pkg --version=0.1 --user=user --channel=channel", assert_error=True)
         self.assertIn("ERROR: pkg/0.1@user/channel: Error in build() method, line 5", client.out)
+
+
+def test_remove_require():
+    c = TestClient()
+    remove = textwrap.dedent("""
+        from conan import ConanFile
+        class Pkg(ConanFile):
+            name = "consumer"
+            version = "1.0"
+            requires = "dep/1.0"
+            def build_id(self):
+                self.info_build.requires.remove("dep")
+        """)
+    c.save({"dep/conanfile.py": GenConanfile("dep", "1.0"),
+            "consumer/conanfile.py": remove})
+    c.run("create dep")
+    c.run("create consumer")