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Prevent Parallization on Windows #265

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Prevent Parallization on Windows #265

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7 changes: 6 additions & 1 deletion src/catkin_pkg/packages.py
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@
"""Library to find packages in the filesystem."""

import multiprocessing
import os
import os, sys

from .package import _get_package_xml
from .package import PACKAGE_MANIFEST_FILENAME
Expand Down Expand Up @@ -134,6 +134,11 @@ def find_packages_allowing_duplicates(basepath, exclude_paths=None, exclude_subs
return {}

parallel = len(data) > 100
if sys.platform == "win32":
# Windows has path limitations which catkin overflows in nested environments
# https://devblogs.microsoft.com/oldnewthing/20100203-00/?p=15083
parallel = False

if parallel:
try:
pool = multiprocessing.Pool()
Expand Down