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#!/usr/bin/env python
#
# transform_sql.py -- create a header file with the appropriate SQL variables
# from an SQL file
#
import os
import re
import sys
def usage_and_exit(msg):
if msg:
sys.stderr.write('%s\n\n' % msg)
sys.stderr.write(
'USAGE: %s SQLITE_FILE [OUTPUT_FILE]\n'
' stdout will be used if OUTPUT_FILE is not provided.\n'
% os.path.basename(sys.argv[0]))
sys.stderr.flush()
sys.exit(1)
def main(input, output, filename):
input = input.read()
var_name = re.sub('[-.]', '_', filename)
output.write(
'/* This file is automatically generated from %s.\n'
' * Do not edit this file -- edit the source and rerun gen-make.py */\n'
'\n'
% (filename,))
output.write('#define %s \\\n' % var_name.upper())
regex = re.compile(r'/\*.*?\*/', re.MULTILINE|re.DOTALL)
input = regex.sub('', input)
for line in input.split('\n'):
line = line.replace('"', '\\"')
if line.strip():
# got something besides whitespace. write it out.
output.write(' "' + line + '"\\\n')
output.write(' ""\n')
if __name__ == '__main__':
if len(sys.argv) < 2 or len(sys.argv) > 3:
usage_and_exit('Incorrect number of arguments')
# Note: we could use stdin, but then we'd have no var_name
input_file = open(sys.argv[1], 'r')
if len(sys.argv) > 2:
output_file = open(sys.argv[2], 'w')
else:
output_file = sys.stdout
main(input_file, output_file, os.path.basename(sys.argv[1]))
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