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"""Adds xref targets to the top of files."""
import os
import sys
testing = False
DONT_TOUCH = (
'./index.txt',
)
def target_name(fn):
if fn.endswith('.txt'):
fn = fn[:-4]
return '_' + fn.lstrip('./').replace('/', '-')
def process_file(fn, lines):
lines.insert(0, '\n')
lines.insert(0, '.. %s:\n' % target_name(fn))
try:
with open(fn, 'w') as fp:
fp.writelines(lines)
except IOError:
print("Can't open %s for writing. Not touching it." % fn)
def has_target(fn):
try:
with open(fn, 'r') as fp:
lines = fp.readlines()
except IOError:
print("Can't open or read %s. Not touching it." % fn)
return (True, None)
# print fn, len(lines)
if len(lines) < 1:
print("Not touching empty file %s." % fn)
return (True, None)
if lines[0].startswith('.. _'):
return (True, None)
return (False, lines)
def main(argv=None):
if argv is None:
argv = sys.argv
if len(argv) == 1:
argv.extend('.')
files = []
for root in argv[1:]:
for (dirpath, dirnames, filenames) in os.walk(root):
files.extend((dirpath, f) for f in filenames)
files.sort()
files = [os.path.join(p, fn) for p, fn in files if fn.endswith('.txt')]
# print files
for fn in files:
if fn in DONT_TOUCH:
print("Skipping blacklisted file %s." % fn)
continue
target_found, lines = has_target(fn)
if not target_found:
if testing:
print('%s: %s' % (fn, lines[0]))
else:
print("Adding xref to %s" % fn)
process_file(fn, lines)
else:
print("Skipping %s: already has a xref" % fn)
if __name__ == '__main__':
sys.exit(main())
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