binding: Updates Jinja2 from 2.7.1 to 2.8.

third_party/jinja2/get_jinja2.sh

 #!/bin/bash
 # Download and extract Jinja2
 # Homepage:
 # http://jinja.pocoo.org/
 # Installation instructions:
 # http://jinja.pocoo.org/docs/intro/#from-the-tarball-release
 # Download page:
 # https://pypi.python.org/pypi/Jinja2
 PACKAGE='Jinja2'
-VERSION='2.7.1'
+VERSION='2.8'
+SRC_URL='https://pypi.python.org/packages/f2/2f/0b98b06a345a761bec91a079ccae392d282690c2d8272e708f4d10829e22/Jinja2-2.8.tar.gz'
 PACKAGE_DIR='jinja2'
 
 CHROMIUM_FILES="README.chromium OWNERS get_jinja2.sh"
 EXTRA_FILES='LICENSE AUTHORS'
 REMOVE_FILES='testsuite'
 
-SRC_URL='https://pypi.python.org/packages/source/'
-SRC_URL+="${PACKAGE:0:1}/$PACKAGE/$PACKAGE-$VERSION.tar.gz"
 FILENAME="$(basename $SRC_URL)"
 MD5_FILENAME="$FILENAME.md5"
 SHA512_FILENAME="$FILENAME.sha512"
 CHROMIUM_FILES+=" $MD5_FILENAME $SHA512_FILENAME"
 
 BUILD_DIR="$PACKAGE-$VERSION"
 THIRD_PARTY="$(dirname $(realpath $(dirname "${BASH_SOURCE[0]}")))"
 INSTALL_DIR="$THIRD_PARTY/$PACKAGE_DIR"
 OUT_DIR="$INSTALL_DIR/$BUILD_DIR/$PACKAGE_DIR"
 OLD_DIR="$THIRD_PARTY/$PACKAGE_DIR.old"
 
 function check_hashes {
   # Hashes generated via:
-  # FILENAME=Jinja2-2.7.1.tar.gz
+  # FILENAME=Jinja2-2.8.tar.gz
   # md5sum "$FILENAME" > "$FILENAME.md5"
   # sha512sum "$FILENAME" > "$FILENAME.sha512"
   # unset FILENAME
 
   # MD5
   if ! [ -f "$MD5_FILENAME" ]
   then
     echo "MD5 hash file $MD5_FILENAME not found, could not verify archive"
     exit 1
   fi
@@ skipping 71 matching lines @@
 do
   rm -fr "$FILE"
 done
 
 # Replace with new directory
 cd ..
 mv "$INSTALL_DIR" "$OLD_DIR"
 mv "$PACKAGE_DIR" "$INSTALL_DIR"
 cd "$INSTALL_DIR"
 rm -fr "$OLD_DIR"