Delete friendica-to-smarty-tpl.py
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Hypolite Petovan
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#!/usr/bin/python
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#
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# Script to convert Friendica internal template files into Smarty template files
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# Copyright 2013 Zach Prezkuta
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# Licensed under GPL v3
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import os, re, string
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import sys, getopt
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ldelim = '{{'
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rdelim = '}}'
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addheader = True
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def fToSmarty(matches):
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match = matches.group(0)
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if match == '$j':
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return match
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match = string.replace(match, '[', '')
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match = string.replace(match, ']', '')
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ldel = ldelim
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rdel = rdelim
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if match.find("'") > -1:
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match = string.replace(match, "'", '')
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ldel = "'" + ldel
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rdel = rdel + "'"
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elif match.find('"') > -1:
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match = string.replace(match, '"', '')
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ldel = '"' + ldel
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rdel = rdel + '"'
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return ldel + match + rdel
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def fix_element(element):
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# Much of the positioning here is important, e.g. if you do element.find('if ') before you do
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# element.find('endif'), then you may get some multiply-replaced delimiters
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if element.find('endif') > -1:
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element = ldelim + '/if' + rdelim
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return element
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if element.find('if ') > -1:
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element = string.replace(element, '{{ if', ldelim + 'if')
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element = string.replace(element, '{{if', ldelim + 'if')
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element = string.replace(element, ' }}', rdelim)
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element = string.replace(element, '}}', rdelim)
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return element
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if element.find('else') > -1:
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element = ldelim + 'else' + rdelim
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return element
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if element.find('endfor') > -1:
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element = ldelim + '/foreach' + rdelim
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return element
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if element.find('for ') > -1:
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element = string.replace(element, '{{ for ', ldelim + 'foreach ')
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element = string.replace(element, '{{for ', ldelim + 'foreach ')
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element = string.replace(element, ' }}', rdelim)
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element = string.replace(element, '}}', rdelim)
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return element
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if element.find('endinc') > -1:
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element = ''
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return element
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if element.find('inc ') > -1:
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parts = element.split(' ')
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element = ldelim + 'include file="'
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# We need to find the file name. It'll either be in parts[1] if the element was written as {{ inc file.tpl }}
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# or it'll be in parts[2] if the element was written as {{inc file.tpl}}
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if parts[0].find('inc') > -1:
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first = 0
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else:
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first = 1
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if parts[first+1][0] == '$':
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# This takes care of elements where the filename is a variable, e.g. {{ inc $file }}
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element += ldelim + parts[first+1].rstrip('}') + rdelim
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else:
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# This takes care of elements where the filename is a path, e.g. {{ inc file.tpl }}
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element += parts[first+1].rstrip('}')
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element += '"'
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if len(parts) > first + 1 and parts[first+2] == 'with':
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# Take care of variable substitutions, e.g. {{ inc file.tpl with $var=this_var }}
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element += ' ' + parts[first+3].rstrip('}')[1:]
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element += rdelim
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return element
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def convert(filename, tofilename, php_tpl):
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if addheader:
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header = ldelim + "*\n *\tAUTOMATICALLY GENERATED TEMPLATE\n *\tDO NOT EDIT THIS FILE, CHANGES WILL BE OVERWRITTEN\n *\n *" + rdelim + "\n"
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tofilename.write(header)
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for line in filename:
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newline = ''
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st_pos = 0
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brack_pos = line.find('{{')
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if php_tpl:
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# If php_tpl is True, this script will only convert variables in quotes, like '$variable'
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# or "$variable". This is for .tpl files that produce PHP scripts, where you don't want
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# all the PHP variables converted into Smarty variables
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pattern1 = re.compile(r"""
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([\'\"]\$\[[a-zA-Z]\w*
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(\.
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(\d+|[a-zA-Z][\w-]*)
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)*
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(\|[\w\$:\.]*)*
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\][\'\"])
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""", re.VERBOSE)
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pattern2 = re.compile(r"""
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([\'\"]\$[a-zA-Z]\w*
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(\.
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(\d+|[a-zA-Z][\w-]*)
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)*
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(\|[\w\$:\.]*)*
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[\'\"])
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""", re.VERBOSE)
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else:
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# Compile the pattern for bracket-style variables, e.g. $[variable.key|filter:arg1:arg2|filter2:arg1:arg2]
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# Note that dashes are only allowed in array keys if the key doesn't start
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# with a number, e.g. $[variable.key-id] is ok but $[variable.12-id] isn't
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#
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# Doesn't currently process the argument position key 'x', i.e. filter:arg1:x:arg2 doesn't get
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# changed to arg1|filter:variable:arg2 like Smarty requires
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#
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# Filter arguments can be variables, e.g. $variable, but currently can't have array keys with dashes
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# like filter:$variable.key-name
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pattern1 = re.compile(r"""
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(\$\[[a-zA-Z]\w*
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(\.
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(\d+|[a-zA-Z][\w-]*)
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)*
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(\|[\w\$:\.]*)*
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\])
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""", re.VERBOSE)
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# Compile the pattern for normal style variables, e.g. $variable.key
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pattern2 = re.compile(r"""
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(\$[a-zA-Z]\w*
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(\.
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(\d+|[a-zA-Z][\w-]*)
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)*
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(\|[\w\$:\.]*)*
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)
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""", re.VERBOSE)
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while brack_pos > -1:
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if brack_pos > st_pos:
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line_segment = line[st_pos:brack_pos]
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line_segment = pattern2.sub(fToSmarty, line_segment)
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newline += pattern1.sub(fToSmarty, line_segment)
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end_brack_pos = line.find('}}', brack_pos)
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if end_brack_pos < 0:
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print "Error: no matching bracket found"
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newline += fix_element(line[brack_pos:end_brack_pos + 2])
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st_pos = end_brack_pos + 2
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brack_pos = line.find('{{', st_pos)
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line_segment = line[st_pos:]
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line_segment = pattern2.sub(fToSmarty, line_segment)
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newline += pattern1.sub(fToSmarty, line_segment)
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newline = newline.replace("{#", ldelim + "*")
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newline = newline.replace("#}", "*" + rdelim)
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tofilename.write(newline)
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def help(pname):
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print "\nUsage:"
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print "\t" + pname + " -h\n\n\t\t\tShow this help screen\n"
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print "\t" + pname + " -p directory\n\n\t\t\tConvert all .tpl files in directory to\n\t\t\tSmarty templates in directory/smarty3/\n"
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print "\t" + pname + "\n\n\t\t\tInteractive mode\n"
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#
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# Main script
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#
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path = ''
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try:
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opts, args = getopt.getopt(sys.argv[1:], "hp:", ['no-header'])
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for opt, arg in opts:
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if opt == '-h':
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help(sys.argv[0])
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sys.exit()
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elif opt == '-p':
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path = arg
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elif opt == '--no-header':
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addheader = False
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except getopt.GetoptError:
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help(sys.argv[0])
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sys.exit(2)
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if path == '':
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path = raw_input('Path to template folder to convert: ')
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if path[-1:] != '/':
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path = path + '/'
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outpath = path + 'smarty3/'
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if not os.path.exists(outpath):
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os.makedirs(outpath)
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files = os.listdir(path)
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for a_file in files:
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if a_file == 'local.ini.tpl':
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php_tpl = True
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else:
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php_tpl = False
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filename = os.path.join(path,a_file)
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ext = a_file.split('.')[-1]
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if os.path.isfile(filename) and ext == 'tpl':
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f = open(filename, 'r')
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newfilename = os.path.join(outpath,a_file)
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outf = open(newfilename, 'w')
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print "Converting " + filename + " to " + newfilename
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convert(f, outf, php_tpl)
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outf.close()
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f.close()
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