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72 lines
1.6 KiB
Python
72 lines
1.6 KiB
Python
#!/usr/bin/python
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import sys
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import os
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import jinja2
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try:
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import json
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except ImportError:
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import simplejson as json
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source = sys.argv[1]
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dest = sys.argv[2]
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metadata = sys.argv[3]
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# raise an error if there is no template metadata
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if not os.path.exists(metadata):
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print json.dumps({
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"failed" : 1,
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"msg" : "Missing %s, did you run the setup module yet?" % metadata
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})
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sys.exit(1)
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# raise an error if we can't parse the template metadata
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try:
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f = open(metadata)
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data = json.loads(f.read())
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f.close()
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except:
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print json.dumps({
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"failed" : 1,
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"msg" : "Failed to parse/load %s, rerun the setup module?" % metadata
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})
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sys.exit(1)
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if not os.path.exists(source):
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print json.dumps({
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"failed" : 1,
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"msg" : "Source template could not be read: %s" % source
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})
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sys.exit(1)
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source = file(source).read()
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# record md5sum of original source file so we can report if it changed
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changed = False
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md5sum = None
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if os.path.exists(dest):
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md5sum = os.popen("md5sum %s" % dest).read()
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# call Jinja2 here and save the new template file
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template = jinja2.Template(source)
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data_out = template.render(data)
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f = open(dest, "w+")
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f.write(data_out)
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f.close()
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# TODO: catch templating errors and do not clobber the file on the
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# other end unless things were successful
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# record m5sum and return success and whether things have changed
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md5sum2 = os.popen("md5sum %s" % dest).read()
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if md5sum != md5sum2:
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changed = True
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# mission accomplished
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print json.dumps({
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"md5sum" : md5sum2,
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"changed" : changed
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})
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