Automatically raise recursion limit

Have the `_pyinstaller_hooks_contrib/__init__.py` automatically
raise the recursion limit to at least 5000, instead of doing this
on per-hook basis.

Remove the corresponding limit-raising code from hooks, since we
do not need it there anymore.

Author: rokm

_pyinstaller_hooks_contrib/__init__.py

@@ -10,6 +10,8 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 # ------------------------------------------------------------------
 
+import sys
+
 __version__ = '2025.6'
 __maintainer__ = 'Legorooj, bwoodsend'
 __uri__ = 'https://github.com/pyinstaller/pyinstaller-hooks-contrib'
@@ -24,3 +26,12 @@ def get_hook_dirs():
         # pre_* and run-time hooks
         hooks_dir,
     ]
+
+
+# Several packages for which provide hooks are involved in deep dependency chains when various optional dependencies are
+# installed in the environment, and their analysis typically requires recursion limit that exceeds the default 1000.
+# Therefore, automatically raise the recursion limit to at least 5000. This alleviates the need to do so on per-hook
+# basis.
+new_recursion_limit = 5000
+if sys.getrecursionlimit() < new_recursion_limit:
+    sys.setrecursionlimit(new_recursion_limit)

_pyinstaller_hooks_contrib/stdhooks/hook-langchain.py

@@ -10,16 +10,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 # ------------------------------------------------------------------
 
-import sys
-
-from PyInstaller.utils.hooks import collect_data_files, logger
+from PyInstaller.utils.hooks import collect_data_files
 
 datas = collect_data_files('langchain')
-
-# Automatically raise recursion limit to ensure it is at least 5000; this attempts to mitigate recursion limit errors
-# caused by some import chains that involve langchain, but also depend on the build environment (i.e., other packages
-# installed in it).
-new_limit = 5000
-if sys.getrecursionlimit() < new_limit:
-    logger.info("hook-langchain: raising recursion limit to %d", new_limit)
-    sys.setrecursionlimit(new_limit)

_pyinstaller_hooks_contrib/stdhooks/hook-spacy.py

@@ -13,17 +13,7 @@
 Spacy contains hidden imports and data files which are needed to import it
 """
 
-import sys
-
-from PyInstaller.utils.hooks import collect_data_files, collect_submodules, logger
+from PyInstaller.utils.hooks import collect_data_files, collect_submodules
 
 datas = collect_data_files("spacy")
 hiddenimports = collect_submodules("spacy")
-
-# Automatically raise recursion limit to ensure it is at least 5000; this attempts to mitigate recursion limit errors
-# caused by some import chains that involve spacy, but also depend on the build environment (i.e., other packages
-# installed in it).
-new_limit = 5000
-if sys.getrecursionlimit() < new_limit:
-    logger.info("hook-spacy: raising recursion limit to %d", new_limit)
-    sys.setrecursionlimit(new_limit)

_pyinstaller_hooks_contrib/stdhooks/hook-sympy.py

@@ -10,8 +10,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 # ------------------------------------------------------------------
 
-import sys
-
 from _pyinstaller_hooks_contrib.compat import importlib_metadata
 from packaging.version import Version
 
@@ -25,14 +23,6 @@
     logger,
 )
 
-# Automatically raise recursion limit to ensure it is at least 5000; this attempts to mitigate recursion limit errors
-# caused by some import chains that involve tensorflow, but also depend on the build environment (i.e., other packages
-# installed in it).
-new_limit = 5000
-if sys.getrecursionlimit() < new_limit:
-    logger.info("hook-tensorflow: raising recursion limit to %d", new_limit)
-    sys.setrecursionlimit(new_limit)
-
 # Determine the name of `tensorflow` dist; this is available under different names (releases vs. nightly, plus build
 # variants). We need to determine the dist that we are dealing with, so we can query its version and metadata.
 _CANDIDATE_DIST_NAMES = (

_pyinstaller_hooks_contrib/stdhooks/hook-tensorflow.py

@@ -149,13 +149,3 @@ def _collect_mkl_dlls():
         binaries += mkl_binaries
 else:
     datas = [(get_package_paths("torch")[1], "torch")]
-
-# With torch 2.0.0, PyInstaller's modulegraph analysis hits the recursion limit.
-# So, unless the user has already done so, increase it automatically.
-if is_module_satisfies("torch >= 2.0.0"):
-    import sys
-
-    new_limit = 5000
-    if sys.getrecursionlimit() < new_limit:
-        logger.info("hook-torch: raising recursion limit to %d", new_limit)
-        sys.setrecursionlimit(new_limit)

_pyinstaller_hooks_contrib/stdhooks/hook-torch.py

@@ -0,0 +1,3 @@
+Automatically raise the recursion limit to at least 5000 when the
+``_pyinstaller_hooks_contrib`` module is loaded, rather than raising
+the recursion limit on per-hook basis.