add PIL.report

Tests/test_report.py

@@ -0,0 +1,27 @@
+from __future__ import annotations
+
+import subprocess
+import sys
+
+
+def test_main() -> None:
+    args = [sys.executable, "-m", "PIL.report"]
+    out = subprocess.check_output(args).decode("utf-8")
+    lines = out.splitlines()
+    assert lines[0] == "-" * 68
+    assert lines[1].startswith("Pillow ")
+    assert lines[2].startswith("Python ")
+    lines = lines[3:]
+    while lines[0].startswith("    "):
+        lines = lines[1:]
+    assert lines[0] == "-" * 68
+    assert lines[1].startswith("Python executable is")
+    lines = lines[2:]
+    if lines[0].startswith("Environment Python files loaded from"):
+        lines = lines[1:]
+    assert lines[0].startswith("System Python files loaded from")
+    assert lines[1] == "-" * 68
+    assert lines[2].startswith("Python Pillow modules loaded from ")
+    assert lines[3].startswith("Binary Pillow modules loaded from ")
+    assert lines[4] == "-" * 68
+    assert "JPEG image/jpeg" not in out

src/PIL/report.py

@@ -0,0 +1,5 @@
+from __future__ import annotations
+
+from .features import pilinfo
+
+pilinfo(supported_formats=False)