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