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#!/usr/bin/env python
import os
import pprint
try:
from functools import reduce
except ImportError:
# Assume we have reduce
pass
from Cheetah import Parser
from Cheetah import Compiler
from Cheetah import Template
class Analyzer(Parser.Parser):
def __init__(self, *args, **kwargs):
self.calls = {}
super(Analyzer, self).__init__(*args, **kwargs)
def eatDirective(self):
directive = self.matchDirective()
try:
self.calls[directive] += 1
except KeyError:
self.calls[directive] = 1
super(Analyzer, self).eatDirective()
class AnalysisCompiler(Compiler.ModuleCompiler):
parserClass = Analyzer
def analyze(source):
klass = Template.Template.compile(source, compilerClass=AnalysisCompiler)
return klass._CHEETAH_compilerInstance._parser.calls
def main_file(f):
fd = open(f, 'r')
try:
print u'>>> Analyzing %s' % f
calls = analyze(fd.read())
return calls
finally:
fd.close()
def _find_templates(directory, suffix):
for root, dirs, files in os.walk(directory):
for f in files:
if not f.endswith(suffix):
continue
yield root + os.path.sep + f
def _analyze_templates(iterable):
for template in iterable:
yield main_file(template)
def main_dir(opts):
results = _analyze_templates(_find_templates(opts.dir, opts.suffix))
totals = {}
for series in results:
if not series:
continue
for k, v in series.iteritems():
try:
totals[k] += v
except KeyError:
totals[k] = v
return totals
def main():
from optparse import OptionParser
op = OptionParser()
op.add_option('-f', '--file', dest='file', default=None,
help='Specify a single file to analyze')
op.add_option('-d', '--dir', dest='dir', default=None,
help='Specify a directory of templates to analyze')
op.add_option('--suffix', default='tmpl', dest='suffix',
help='Specify a custom template file suffix for the -d option (default: "tmpl")')
opts, args = op.parse_args()
if not opts.file and not opts.dir:
op.print_help()
return
results = None
if opts.file:
results = main_file(opts.file)
if opts.dir:
results = main_dir(opts)
pprint.pprint(results)
if __name__ == '__main__':
main()
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