createprecomplete.py
# Any copyright is dedicated to the Public Domain.
# http://creativecommons.org/publicdomain/zero/1.0/
# Creates the precomplete file containing the remove, remove-cc, and rmdir
# application update instructions which is used to remove files and directories
# that are no longer present in a complete update. The current working directory
# is used for the location to enumerate and to create the precomplete file.
import sys
import os
def get_build_entries(root_path):
""" Iterates through the root_path, creating a list for each file and
directory. Excludes any path starting with extensions or distribution.
"""
rel_file_path_set = set()
rel_dir_path_set = set()
for root, dirs, files in os.walk(root_path):
for file_name in files:
parent_dir_rel_path = root[len(root_path)+1:]
rel_path_file = os.path.join(parent_dir_rel_path, file_name)
rel_path_file = rel_path_file.replace("\\", "/")
if not (rel_path_file.startswith("distribution/") or
rel_path_file.startswith("extensions/")):
rel_file_path_set.add(rel_path_file)
for dir_name in dirs:
parent_dir_rel_path = root[len(root_path)+1:]
rel_path_dir = os.path.join(parent_dir_rel_path, dir_name)
rel_path_dir = rel_path_dir.replace("\\", "/")+"/"
if not (rel_path_dir.startswith("distribution/") or
rel_path_dir.startswith("extensions/")):
rel_dir_path_set.add(rel_path_dir)
rel_file_path_list = list(rel_file_path_set)
rel_file_path_list.sort(reverse=True)
rel_dir_path_list = list(rel_dir_path_set)
rel_dir_path_list.sort(reverse=True)
return rel_file_path_list, rel_dir_path_list
def generate_precomplete():
""" Creates the precomplete file containing the remove, remove-cc, and rmdir
application update instructions. The current working directory is used
for the location to enumerate and to create the precomplete file.
"""
root_path = os.getcwd()
# If inside a Mac bundle use the root of the bundle for the path.
if os.path.basename(root_path) == "MacOS":
root_path = os.path.abspath(os.path.join(root_path, '../../'))
rel_file_path_list, rel_dir_path_list = get_build_entries(root_path)
precomplete_file_path = os.path.join(root_path,"precomplete")
# open in binary mode to prevent OS specific line endings.
precomplete_file = open(precomplete_file_path, "wb")
for rel_file_path in rel_file_path_list:
if rel_file_path.endswith("channel-prefs.js"):
precomplete_file.writelines("remove-cc \""+rel_file_path+"\"\n")
else:
precomplete_file.writelines("remove \""+rel_file_path+"\"\n")
for rel_dir_path in rel_dir_path_list:
precomplete_file.writelines("rmdir \""+rel_dir_path+"\"\n")
precomplete_file.close()
if __name__ == "__main__":
generate_precomplete()