From ee57a2ad451e813b99ac49e8ead1657f57b8d420 Mon Sep 17 00:00:00 2001
From: q0w <43147888+q0w@users.noreply.github.com>
Date: Sat, 14 Jan 2023 22:28:33 +0300
Subject: [PATCH] Check if config args and args_source exist

---
 AUTHORS                    | 1 +
 changelog/10626.bugfix.rst | 1 +
 src/_pytest/main.py        | 2 +-
 src/_pytest/terminal.py    | 6 ++++--
 testing/python/fixtures.py | 4 ++++
 5 files changed, 11 insertions(+), 3 deletions(-)
 create mode 100644 changelog/10626.bugfix.rst

diff --git a/AUTHORS b/AUTHORS
index 7cf1748e6..f345c0cab 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -290,6 +290,7 @@ Prashant Sharma
 Pulkit Goyal
 Punyashloka Biswal
 Quentin Pradet
+q0w
 Ralf Schmitt
 Ralph Giles
 Ram Rachum
diff --git a/changelog/10626.bugfix.rst b/changelog/10626.bugfix.rst
new file mode 100644
index 000000000..510b05cdf
--- /dev/null
+++ b/changelog/10626.bugfix.rst
@@ -0,0 +1 @@
+Check if ``Config.args`` and ``Config.args_source`` exist.
diff --git a/src/_pytest/main.py b/src/_pytest/main.py
index 61fb7eaa4..8bbc1eec1 100644
--- a/src/_pytest/main.py
+++ b/src/_pytest/main.py
@@ -619,7 +619,7 @@ class Session(nodes.FSCollector):
         and ``session.items`` is empty.
         """
         if args is None:
-            args = self.config.args
+            args = self.config.args if hasattr(self.config, "args") else ()
 
         self.trace("perform_collect", self, args)
         self.trace.root.indent += 1
diff --git a/src/_pytest/terminal.py b/src/_pytest/terminal.py
index d967a3ee6..34bc9719e 100644
--- a/src/_pytest/terminal.py
+++ b/src/_pytest/terminal.py
@@ -737,8 +737,10 @@ class TerminalReporter:
 
         if config.inipath:
             line += ", configfile: " + bestrelpath(config.rootpath, config.inipath)
-
-        if config.args_source == Config.ArgsSource.TESTPATHS:
+        if (
+            hasattr(config, "args_source")
+            and config.args_source == Config.ArgsSource.TESTPATHS
+        ):
             testpaths: List[str] = config.getini("testpaths")
             line += ", testpaths: {}".format(", ".join(testpaths))
 
diff --git a/testing/python/fixtures.py b/testing/python/fixtures.py
index 3ce5cb34d..d996f80bb 100644
--- a/testing/python/fixtures.py
+++ b/testing/python/fixtures.py
@@ -3338,6 +3338,10 @@ class TestShowFixtures:
         config = pytester.parseconfigure("--funcargs")
         assert config.option.showfixtures
 
+    def test_show_help(self, pytester: Pytester) -> None:
+        result = pytester.runpytest("--fixtures", "--help")
+        assert not result.ret
+
     def test_show_fixtures(self, pytester: Pytester) -> None:
         result = pytester.runpytest("--fixtures")
         result.stdout.fnmatch_lines(