Make sure user_supplied is propagated where needed

src/pip/_internal/cli/req_command.py

@@ -309,25 +309,25 @@ def get_requirements(
                 req_to_add = install_req_from_parsed_requirement(
                     parsed_req,
                     isolated=options.isolated_mode,
+                    user_supplied=False,
                 )
-                req_to_add.user_supplied = False
                 requirements.append(req_to_add)
 
         for req in args:
             req_to_add = install_req_from_line(
                 req, None, isolated=options.isolated_mode,
                 use_pep517=options.use_pep517,
+                user_supplied=True,
             )
-            req_to_add.user_supplied = True
             requirements.append(req_to_add)
 
         for req in options.editables:
             req_to_add = install_req_from_editable(
                 req,
+                user_supplied=True,
                 isolated=options.isolated_mode,
                 use_pep517=options.use_pep517,
             )
-            req_to_add.user_supplied = True
             requirements.append(req_to_add)
 
         # NOTE: options.require_hashes may be set if --require-hashes is True
@@ -338,9 +338,9 @@ def get_requirements(
                 req_to_add = install_req_from_parsed_requirement(
                     parsed_req,
                     isolated=options.isolated_mode,
-                    use_pep517=options.use_pep517
+                    use_pep517=options.use_pep517,
+                    user_supplied=True,
                 )
-                req_to_add.user_supplied = True
                 requirements.append(req_to_add)
 
         # If any requirement has hash options, enable hash checking.

src/pip/_internal/req/constructors.py

@@ -222,7 +222,8 @@ def install_req_from_editable(
     use_pep517=None,  # type: Optional[bool]
     isolated=False,  # type: bool
     options=None,  # type: Optional[Dict[str, Any]]
-    constraint=False  # type: bool
+    constraint=False,  # type: bool
+    user_supplied=False,  # type: bool
 ):
     # type: (...) -> InstallRequirement
 
@@ -231,6 +232,7 @@ def install_req_from_editable(
     return InstallRequirement(
         parts.requirement,
         comes_from=comes_from,
+        user_supplied=user_supplied,
         editable=True,
         link=parts.link,
         constraint=constraint,
@@ -385,6 +387,7 @@ def install_req_from_line(
     options=None,  # type: Optional[Dict[str, Any]]
     constraint=False,  # type: bool
     line_source=None,  # type: Optional[str]
+    user_supplied=False,  # type: bool
 ):
     # type: (...) -> InstallRequirement
     """Creates an InstallRequirement from a name, which might be a
@@ -403,14 +406,16 @@ def install_req_from_line(
         hash_options=options.get("hashes", {}) if options else {},
         constraint=constraint,
         extras=parts.extras,
+        user_supplied=user_supplied,
     )
 
 
 def install_req_from_req_string(
     req_string,  # type: str
     comes_from=None,  # type: Optional[InstallRequirement]
     isolated=False,  # type: bool
-    use_pep517=None  # type: Optional[bool]
+    use_pep517=None,  # type: Optional[bool]
+    user_supplied=False,  # type: bool
 ):
     # type: (...) -> InstallRequirement
     try:
@@ -432,14 +437,19 @@ def install_req_from_req_string(
         )
 
     return InstallRequirement(
-        req, comes_from, isolated=isolated, use_pep517=use_pep517
+        req,
+        comes_from,
+        isolated=isolated,
+        use_pep517=use_pep517,
+        user_supplied=user_supplied,
     )
 
 
 def install_req_from_parsed_requirement(
     parsed_req,  # type: ParsedRequirement
     isolated=False,  # type: bool
-    use_pep517=None  # type: Optional[bool]
+    use_pep517=None,  # type: Optional[bool]
+    user_supplied=False,  # type: bool
 ):
     # type: (...) -> InstallRequirement
     if parsed_req.is_editable:
@@ -449,6 +459,7 @@ def install_req_from_parsed_requirement(
             use_pep517=use_pep517,
             constraint=parsed_req.constraint,
             isolated=isolated,
+            user_supplied=user_supplied,
         )
 
     else:
@@ -460,5 +471,6 @@ def install_req_from_parsed_requirement(
             options=parsed_req.options,
             constraint=parsed_req.constraint,
             line_source=parsed_req.line_source,
+            user_supplied=user_supplied,
         )
     return req

src/pip/_internal/req/req_install.py

@@ -110,7 +110,8 @@ def __init__(
         global_options=None,  # type: Optional[List[str]]
         hash_options=None,  # type: Optional[Dict[str, List[str]]]
         constraint=False,  # type: bool
-        extras=()  # type: Iterable[str]
+        extras=(),  # type: Iterable[str]
+        user_supplied=False,  # type: bool
     ):
         # type: (...) -> None
         assert req is None or isinstance(req, Requirement), req
@@ -174,7 +175,7 @@ def __init__(
         # User supplied requirement are explicitly requested for installation
         # by the user via CLI arguments or requirements files, as opposed to,
         # e.g. dependencies, extras or constraints.
-        self.user_supplied = False
+        self.user_supplied = user_supplied
 
         # Set by the legacy resolver when the requirement has been downloaded
         # TODO: This introduces a strong coupling between the resolver and the

src/pip/_internal/resolution/resolvelib/candidates.py

@@ -47,6 +47,7 @@ def make_install_req_from_link(link, parent):
         line = link.url
     ireq = install_req_from_line(
         line,
+        user_supplied=parent.user_supplied,
         comes_from=parent.comes_from,
         use_pep517=parent.use_pep517,
         isolated=parent.isolated,
@@ -68,6 +69,7 @@ def make_install_req_from_editable(link, parent):
     assert parent.editable, "parent not editable"
     return install_req_from_editable(
         link.url,
+        user_supplied=parent.user_supplied,
         comes_from=parent.comes_from,
         use_pep517=parent.use_pep517,
         isolated=parent.isolated,
@@ -91,6 +93,7 @@ def make_install_req_from_dist(dist, parent):
         line = "{}=={}".format(project_name, dist.parsed_version)
     ireq = install_req_from_line(
         line,
+        user_supplied=parent.user_supplied,
         comes_from=parent.comes_from,
         use_pep517=parent.use_pep517,
         isolated=parent.isolated,