Move common code between Session and Package to FSCollector

src/_pytest/main.py

@@ -348,18 +348,6 @@ def pytest_collection_modifyitems(items, config):
         items[:] = remaining
 
 
-class FSHookProxy:
-    def __init__(self, fspath, pm, remove_mods):
-        self.fspath = fspath
-        self.pm = pm
-        self.remove_mods = remove_mods
-
-    def __getattr__(self, name):
-        x = self.pm.subset_hook_caller(name, remove_plugins=self.remove_mods)
-        self.__dict__[name] = x
-        return x
-
-
 class NoMatch(Exception):
     """ raised if matching cannot locate a matching names. """
 
@@ -401,7 +389,6 @@ class Session(nodes.FSCollector):
         self.shouldstop = False
         self.shouldfail = False
         self.trace = config.trace.root.get("collection")
-        self._norecursepatterns = config.getini("norecursedirs")
         self.startdir = config.invocation_dir
         self._initialpaths = frozenset()  # type: FrozenSet[py.path.local]
 
@@ -450,18 +437,7 @@ class Session(nodes.FSCollector):
         return path in self._initialpaths
 
     def gethookproxy(self, fspath):
-        # check if we have the common case of running
-        # hooks with all conftest.py files
-        pm = self.config.pluginmanager
-        my_conftestmodules = pm._getconftestmodules(fspath)
-        remove_mods = pm._conftest_plugins.difference(my_conftestmodules)
-        if remove_mods:
-            # one or more conftests are not in use at this fspath
-            proxy = FSHookProxy(fspath, pm, remove_mods)
-        else:
-            # all plugins are active for this fspath
-            proxy = self.config.hook
-        return proxy
+        return super()._gethookproxy(fspath)
 
     def perform_collect(self, args=None, genitems=True):
         hook = self.config.hook
@@ -625,19 +601,6 @@ class Session(nodes.FSCollector):
 
         return ihook.pytest_collect_file(path=path, parent=self)
 
-    def _recurse(self, dirpath: py.path.local) -> bool:
-        if dirpath.basename == "__pycache__":
-            return False
-        ihook = self.gethookproxy(dirpath.dirpath())
-        if ihook.pytest_ignore_collect(path=dirpath, config=self.config):
-            return False
-        for pat in self._norecursepatterns:
-            if dirpath.check(fnmatch=pat):
-                return False
-        ihook = self.gethookproxy(dirpath)
-        ihook.pytest_collect_directory(path=dirpath, parent=self)
-        return True
-
     @staticmethod
     def _visit_filter(f):
         return f.check(file=1)

src/_pytest/nodes.py

@@ -393,6 +393,18 @@ def _check_initialpaths_for_relpath(session, fspath):
             return fspath.relto(initial_path)
 
 
+class FSHookProxy:
+    def __init__(self, fspath, pm, remove_mods):
+        self.fspath = fspath
+        self.pm = pm
+        self.remove_mods = remove_mods
+
+    def __getattr__(self, name):
+        x = self.pm.subset_hook_caller(name, remove_plugins=self.remove_mods)
+        self.__dict__[name] = x
+        return x
+
+
 class FSCollector(Collector):
     def __init__(
         self, fspath: py.path.local, parent=None, config=None, session=None, nodeid=None
@@ -417,6 +429,35 @@ class FSCollector(Collector):
 
         super().__init__(name, parent, config, session, nodeid=nodeid, fspath=fspath)
 
+        self._norecursepatterns = self.config.getini("norecursedirs")
+
+    def _gethookproxy(self, fspath):
+        # check if we have the common case of running
+        # hooks with all conftest.py files
+        pm = self.config.pluginmanager
+        my_conftestmodules = pm._getconftestmodules(fspath)
+        remove_mods = pm._conftest_plugins.difference(my_conftestmodules)
+        if remove_mods:
+            # one or more conftests are not in use at this fspath
+            proxy = FSHookProxy(fspath, pm, remove_mods)
+        else:
+            # all plugins are active for this fspath
+            proxy = self.config.hook
+        return proxy
+
+    def _recurse(self, dirpath: py.path.local) -> bool:
+        if dirpath.basename == "__pycache__":
+            return False
+        ihook = self._gethookproxy(dirpath.dirpath())
+        if ihook.pytest_ignore_collect(path=dirpath, config=self.config):
+            return False
+        for pat in self._norecursepatterns:
+            if dirpath.check(fnmatch=pat):
+                return False
+        ihook = self._gethookproxy(dirpath)
+        ihook.pytest_collect_directory(path=dirpath, parent=self)
+        return True
+
 
 class File(FSCollector):
     """ base class for collecting tests from a file. """

src/_pytest/python.py

@@ -35,7 +35,6 @@ from _pytest.compat import safe_isclass
 from _pytest.compat import STRING_TYPES
 from _pytest.config import hookimpl
 from _pytest.deprecated import FUNCARGNAMES
-from _pytest.main import FSHookProxy
 from _pytest.mark import MARK_GEN
 from _pytest.mark.structures import get_unpacked_marks
 from _pytest.mark.structures import normalize_mark_list
@@ -579,32 +578,8 @@ class Package(Module):
             func = partial(_call_with_optional_argument, teardown_module, self.obj)
             self.addfinalizer(func)
 
-    def _recurse(self, dirpath: py.path.local) -> bool:
-        if dirpath.basename == "__pycache__":
-            return False
-        ihook = self.gethookproxy(dirpath.dirpath())
-        if ihook.pytest_ignore_collect(path=dirpath, config=self.config):
-            return False
-        for pat in self._norecursepatterns:
-            if dirpath.check(fnmatch=pat):
-                return False
-        ihook = self.gethookproxy(dirpath)
-        ihook.pytest_collect_directory(path=dirpath, parent=self)
-        return True
-
     def gethookproxy(self, fspath):
-        # check if we have the common case of running
-        # hooks with all conftest.py files
-        pm = self.config.pluginmanager
-        my_conftestmodules = pm._getconftestmodules(fspath)
-        remove_mods = pm._conftest_plugins.difference(my_conftestmodules)
-        if remove_mods:
-            # one or more conftests are not in use at this fspath
-            proxy = FSHookProxy(fspath, pm, remove_mods)
-        else:
-            # all plugins are active for this fspath
-            proxy = self.config.hook
-        return proxy
+        return super()._gethookproxy(fspath)
 
     def _collectfile(self, path, handle_dupes=True):
         assert (