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From e974b2ca4114acc5feb6c3274a44128e43cb3ef3 Mon Sep 17 00:00:00 2001
From: Oz Tiram <oz.tiram@gmail.com>
Date: Wed, 29 Apr 2026 10:36:08 +0200
Subject: [PATCH] fix(graph): inject pipdeptree parent into PYTHONPATH for
system installs
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
On Gentoo, vendored pip dependencies are de-bundled, so
`pipenv.vendor.pipdeptree` resolves to the system pipdeptree
(e.g. /usr/lib/python3.12/site-packages/pipdeptree/).
When pipenv runs it via the virtualenv's Python, that interpreter
cannot find `pipdeptree` — causing a ModuleNotFoundError.
Fix by injecting pipdeptree_path.parent into PYTHONPATH before
invoking the subprocess in both graph.py and update.py. The -l
(local-only) flag still filters enumerated packages to the
virtualenv via sys.prefix, so the graph output is unaffected.
Signed-off-by: Oz Tiram <oz.tiram@gmail.com>
---
pipenv/routines/graph.py | 13 ++++++++++++-
pipenv/routines/update.py | 8 +++++++-
2 files changed, 19 insertions(+), 2 deletions(-)
diff --git a/pipenv/routines/graph.py b/pipenv/routines/graph.py
index a1df5965..954ca326 100644
--- a/pipenv/routines/graph.py
+++ b/pipenv/routines/graph.py
@@ -1,4 +1,5 @@
import json as simplejson
+import os
import sys
from pathlib import Path
@@ -51,7 +52,17 @@ def do_graph(project, bare=False, json=False, json_tree=False, reverse=False):
)
sys.exit(1)
- c = run_command(cmd_args, is_verbose=project.s.is_verbose())
+ # Ensure pipdeptree's parent directory is on PYTHONPATH so the virtualenv
+ # Python can import pipdeptree. This is necessary when pipdeptree is a
+ # system package (e.g. Gentoo unbundles vendored deps) rather than the
+ # copy vendored inside pipenv.
+ env = os.environ.copy()
+ pythonpath_parts = [str(pipdeptree_path.parent)]
+ if existing := env.get("PYTHONPATH"):
+ pythonpath_parts.append(existing)
+ env["PYTHONPATH"] = os.pathsep.join(pythonpath_parts)
+
+ c = run_command(cmd_args, is_verbose=project.s.is_verbose(), env=env)
# Run dep-tree.
if not bare:
diff --git a/pipenv/routines/update.py b/pipenv/routines/update.py
index 2dc4a289..bc0f605d 100644
--- a/pipenv/routines/update.py
+++ b/pipenv/routines/update.py
@@ -122,7 +122,13 @@ def get_reverse_dependencies(project) -> Dict[str, Set[Tuple[str, str]]]:
python_path = project.python()
cmd_args = [python_path, str(pipdeptree_path), "-l", "--reverse", "--json-tree"]
- c = run_command(cmd_args, is_verbose=project.s.is_verbose())
+ env = os.environ.copy()
+ pythonpath_parts = [str(pipdeptree_path.parent)]
+ if existing := env.get("PYTHONPATH"):
+ pythonpath_parts.append(existing)
+ env["PYTHONPATH"] = os.pathsep.join(pythonpath_parts)
+
+ c = run_command(cmd_args, is_verbose=project.s.is_verbose(), env=env)
if c.returncode != 0:
raise PipenvCmdError(c.err, c.out, c.returncode)
try:
--
2.52.0
|
