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#!/usr/bin/env python
#
# This parser parses the output from Phil Harvey's exiftool (version 9.02)
# and convert it to xml format. It reads exiftool's output from stdin and
# write the xml format to stdout.
#
# In order to get the raw infomation from exiftool, we need to enable the verbose
# flag (-v2) of exiftool.
#
# Usage:
# exiftool -v2 img.jpg | ./parser.py >> output.xml
#
#
import os
import sys
import re
text = sys.stdin.read()
print """<?xml version="1.0" encoding="utf-8"?>"""
print "<exif>"
# find the following two groups of string:
#
# 1. tag:
#
# x) name = value
# - Tag 0x1234
#
# 2. IFD indicator:
#
# + [xxx directory with xx entries]
#
p = re.compile(
"(^.*?[0-9]\).*? = .*?\n.*?- Tag 0x[0-9a-f]{4})|(\+ \[.*? directory with [0-9]+ entries]$)"
, re.M)
tags = p.findall(text)
for s in tags:
if s[1]:
ifd = s[1][3:].split()[0]
else:
s = s[0]
# find the raw value in the parenthesis
p = re.compile("\(.*\)\n")
value = p.search(s)
if value:
value = value.group(0)[1:-2]
else:
p = re.compile("=.*\n")
value = p.search(s)
value = value.group(0)[2:-1]
# find the ID
p = re.compile("0x[0-9a-f]{4}")
_id = p.search(s)
_id = _id.group(0)
# find the name
p = re.compile("[0-9]*?\).*? = ")
name = p.search(s)
name = name.group(0)[4:-3]
print (' <tag ifd="' + ifd + '" id="'
+ _id + '" name="' + name +'">' + value + "</tag>")
print "</exif>"
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