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Retry _configure_option to fix IOError caused by not-ready sys files #3

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Retry _configure_option to fix IOError caused by not-ready sys files #3

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1 change: 1 addition & 0 deletions requirements.txt
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Original file line number Diff line number Diff line change
@@ -1 +1,2 @@
twisted
retry
2 changes: 1 addition & 1 deletion setup.py
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Expand Up @@ -7,7 +7,7 @@
version=txgpio.__version__,
description='Twisted-based asynchronous library for using GPIO.',
packages=find_packages(),
install_requires=['twisted'],
install_requires=['twisted', 'retry'],
py_modules=['txgpio'],
license="MIT",
)
2 changes: 2 additions & 0 deletions txgpio/sysfs.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import os.path
import platform
from retry import retry
from twisted.python import log
try:
platform.linux_distribution()
Expand Down Expand Up @@ -102,6 +103,7 @@ def _open_gpio_node(self):
gpio_value_path = os.path.join(self.sysfs_gpio_node_dir, 'value')
return open(gpio_value_path, mode)

@retry(IOError, tries=3, delay=0.02, backoff=5)
def _configure_option(self, gpio_dir, variable, value, options):
if value is not None:
value = value.lower()
Expand Down