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#! /usr/bin/env python
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# ----------------------------------------------------------------------
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# Settings
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vardir = "."
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date_format = "%d-%b-%Y"
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# ----------------------------------------------------------------------
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# functions
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def usage():
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print("""Usage: gen.py file.in [...]
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Substitute placeholders in input files with content
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""")
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def gen_html(file):
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"""Replace variables in the file with their content"""
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text = open(file).read()
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for var in vars:
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vartext = open(vardir + "/" + var).read()
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text = text.replace(var, vartext)
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text = last_modified(text)
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return text
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def last_modified(text):
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"""Substitute variable __last_modified__ with the current date"""
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date = time.strftime(date_format, time.localtime())
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text = text.replace("__last_modified__", date)
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return text
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# ----------------------------------------------------------------------
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# main
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import sys
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import os
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import re
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import time
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# Check command line arguments
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if len(sys.argv) == 1:
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usage()
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sys.exit()
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# The input files from the command line
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input = sys.argv[1:]
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# Get a list of all variables (files in the form __*__) from vardir
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vars = os.listdir(vardir)
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for i in range(len(vars)-1, -1, -1):
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if re.match("^__.*__$", vars[i]): continue
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del vars[i]
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vars.sort()
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# Substitute variables in all input files
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print("Substituting variables {0}".format(vars))
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for file in input:
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print("Processing {0}...".format(file))
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text = gen_html(file)
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file = file.replace(".in", "")
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open(file, 'w').write(text)
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