Validate Syntax.tmCommand

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>beforeRunningCommand</key>
	<string>nop</string>
	<key>command</key>
	<string>. "$TM_SUPPORT_PATH/lib/webpreview.sh"
html_header "YASMJinja2 Syntax Validation" "YASMJinja2"

export TMPFILE="$(mktemp -t tm_jinja_test__)"
cat /dev/stdin &gt; $TMPFILE

python &lt;&lt;'END'
try:
    from jinja2 import environment
    from jinja2.exceptions import TemplateSyntaxError
    e = environment.Environment()
except ImportError, e:
    print "&lt;h2&gt;Error&lt;/h2&gt;"
    print "&lt;p&gt;Jinja2 is not installed on this system, cannot perform syntax check.&lt;/p&gt;"
else:
    import sys, os
    from cgi import escape

    f = file(os.environ['TMPFILE'])
    try:
        source = f.read()
    finally:
        f.close()
    try:
        e.parse(source, os.environ['TM_FILEPATH'])
    except TemplateSyntaxError, err:
        print e.from_string('''
          &lt;h2&gt;Syntax Error in Line {{ err.lineno or '?' }}&lt;/h2&gt;
          &lt;p&gt;{{ err.message|e }}&lt;/p&gt;
          &lt;p&gt;&lt;a href="txmt://open/?url=file://{{ err.filename|urlize }}&amp;line={{ err.lineno }}"&gt;Go To Line&lt;/a&gt;&lt;/p&gt;
        ''').render(err=err)
    else:
        print '&lt;h2&gt;Success&lt;/h2&gt;'
        print '&lt;p&gt;no syntax errors found!&lt;/p&gt;'
END

html_footer
rm $TMPFILE</string>
	<key>input</key>
	<string>document</string>
	<key>keyEquivalent</key>
	<string>^V</string>
	<key>name</key>
	<string>Validate Syntax</string>
	<key>output</key>
	<string>showAsHTML</string>
	<key>scope</key>
	<string>source.jinja2, text.html.jinja2</string>
	<key>uuid</key>
	<string>07198D95-F344-47EB-B1F2-69F2DC10BA1F</string>
</dict>
</plist>