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Header generator: Only get active for no output files or when output older than input

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Lorenz Meier
2015-07-12 15:51:20 +02:00
parent 614c397762
commit 9b6259c64f
1 changed files with 30 additions and 4 deletions
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30
Tools/px_generate_uorb_topic_headers.py
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@@ -93,6 +93,29 @@ def convert_dir(inputdir, outputdir, templatedir):
"""
Converts all .msg files in inputdir to uORB header files
"""
# Find the most recent modification time in input dir
maxinputtime = 0
for f in os.listdir(inputdir):
fni = os.path.join(inputdir, f)
if os.path.isfile(fni):
it = os.path.getmtime(fni)
if it > maxinputtime:
maxinputtime = it;
# Find the most recent modification time in output dir
maxouttime = 0
for f in os.listdir(outputdir):
fni = os.path.join(outputdir, f)
if os.path.isfile(fni):
it = os.path.getmtime(fni)
if it > maxouttime:
maxouttime = it;
# Do not generate if nothing changed on the input
if (maxinputtime != 0 and maxouttime != 0 and maxinputtime < maxouttime):
return False
includepath = incl_default + [':'.join([package, inputdir])]
for f in os.listdir(inputdir):
fn = os.path.join(inputdir, f)
@@ -103,6 +126,8 @@ def convert_dir(inputdir, outputdir, templatedir):
templatedir,
includepath)
return True
def copy_changed(inputdir, outputdir, prefix=''):
"""
@@ -139,10 +164,11 @@ def convert_dir_save(inputdir, outputdir, templatedir, temporarydir, prefix):
Unchanged existing files are not overwritten.
"""
# Create new headers in temporary output directory
convert_dir(inputdir, temporarydir, templatedir)
if (convert_dir(inputdir, temporarydir, templatedir)):
# Copy changed headers from temporary dir to output dir
copy_changed(temporarydir, outputdir, prefix)
else:
print('No changes.')
if __name__ == "__main__":
parser = argparse.ArgumentParser(