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parselinkmap.py
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parselinkmap.py
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# coding: utf8
#
# LinkMapParser
# author: eric.zhang
# email: [email protected]
#
import sys
import os
def read_base_link_map_file(base_link_map_file, base_link_map_result_file):
try:
link_map_file = open(base_link_map_file)
except IOError:
print "Read file " + base_link_map_file + " failed!"
return
else:
try:
content = link_map_file.read()
except IOError:
print "Read file " + base_link_map_file + " failed!"
return
else:
obj_file_tag_index = content.find("# Object files:")
sub_obj_file_symbol_str = content[obj_file_tag_index + 15:]
symbols_index = sub_obj_file_symbol_str.find("# Symbols:")
if obj_file_tag_index == -1 or symbols_index == -1 or content.find("# Path:") == -1:
print "The Content of File " + base_link_map_file + " is Invalid."
pass
link_map_file_tmp = open(base_link_map_file)
reach_files = 0
reach_sections = 0
reach_symbols = 0
size_map = {}
while 1:
line = link_map_file_tmp.readline()
if not line:
break
if line.startswith("#"):
if line.startswith("# Object files:"):
reach_files = 1
pass
if line.startswith("# Sections"):
reach_sections = 1
pass
if line.startswith("# Symbols"):
reach_symbols = 1
pass
pass
else:
if reach_files == 1 and reach_sections == 0 and reach_symbols == 0:
index = line.find("]")
if index != -1:
symbol = {"file": line[index + 2:-1]}
key = int(line[1: index])
size_map[key] = symbol
pass
elif reach_files == 1 and reach_sections == 1 and reach_symbols == 0:
pass
elif reach_files == 1 and reach_sections == 1 and reach_symbols == 1:
symbols_array = line.split("\t")
if len(symbols_array) == 3:
file_key_and_name = symbols_array[2]
size = int(symbols_array[1], 16)
index = file_key_and_name.find("]")
if index != -1:
key = file_key_and_name[1:index]
key = int(key)
symbol = size_map[key]
if symbol:
if "size" in symbol:
symbol["size"] += size
pass
else:
symbol["size"] = size
pass
pass
pass
pass
else:
print "Invalid #3"
pass
# size_map_sorted = sorted(size_map.items(), key=lambda y: y[1]["size"], reverse=True)
# for item in size_map_sorted:
# print "%s\t%.2fM" % (item[1]["file"], item[1]["size"] / 1024.0 / 1024.0)
# pass
total_size = 0
a_file_map = {}
for key in size_map:
symbol = size_map[key]
if "size" in symbol:
total_size += symbol["size"]
o_file_name = symbol["file"].split("/")[-1]
a_file_name = o_file_name.split("(")[0]
if a_file_name in a_file_map:
a_file_map[a_file_name] += symbol["size"]
pass
else:
a_file_map[a_file_name] = symbol["size"]
pass
pass
else:
print "WARN : some error occurred for key ",
print key
a_file_sorted_list = sorted(a_file_map.items(), key=lambda x: x[1], reverse=True)
print "%s" % "=".ljust(80, '=')
print "%s" % (base_link_map_file+"各模块体积汇总").center(87)
print "%s" % "=".ljust(80, '=')
if os.path.exists(base_link_map_result_file):
os.remove(base_link_map_result_file)
pass
print "Creating Result File : %s" % base_link_map_result_file
output_file = open(base_link_map_result_file, "w")
for item in a_file_sorted_list:
print "%s%.2fM" % (item[0].ljust(50), item[1]/1024.0/1024.0)
output_file.write("%s \t\t\t%.2fM\n" % (item[0].ljust(50), item[1]/1024.0/1024.0))
pass
print "%s%.2fM" % ("总体积:".ljust(53), total_size / 1024.0/1024.0)
print "\n\n\n\n\n"
output_file.write("%s%.2fM" % ("总体积:".ljust(53), total_size / 1024.0/1024.0))
link_map_file_tmp.close()
output_file.close()
finally:
link_map_file.close()
def parse_result_file(result_file_name):
base_bundle_list = []
result_file = open(result_file_name)
while 1:
line = result_file.readline()
if not line:
break
bundle_and_size = line.split()
if len(bundle_and_size) == 2 and line.find(":") == -1:
bundle_and_size_map = {"name": bundle_and_size[0], "size": bundle_and_size[1]}
base_bundle_list += [bundle_and_size_map]
pass
return base_bundle_list
def compare(base_bundle_list, target_bundle_list):
print "%s" % "=".ljust(80, '=')
print "%s" % "比较结果".center(84)
print "%s" % "=".ljust(80, '=')
print "%s%s%s%s" % ("模块名称".ljust(54), "基线大小".ljust(14), "目标大小".ljust(14), "是否新模块".ljust(14))
for target_bundle_map in target_bundle_list:
target_name = target_bundle_map["name"]
target_size = target_bundle_map["size"]
target_size_value = float(target_size.split("M")[0])
has_bundle_in_base = 0
base_size_value = 0
for base_bundle_map in base_bundle_list:
base_name = base_bundle_map["name"]
if base_name == target_name:
base_size = base_bundle_map["size"]
base_size_value = float(base_size.split("M")[0])
has_bundle_in_base = 1
if base_size_value < target_size_value:
print "%s%s%s" % (target_name.ljust(50), str("%.2fM" % base_size_value).ljust(10),
str("%.2fM" % target_size_value).ljust(10))
pass
break
pass
if has_bundle_in_base == 0:
print "%s%s%s%s" % (target_name.ljust(50), str("%.2fM" % base_size_value).ljust(10),
str("%.2fM" % target_size_value).ljust(10), "Y".center(10))
pass
pass
def print_help():
print "%s" % "=".ljust(80, '=')
print "%s%s\n" % ("".ljust(10), "Link Map 文件分析工具".ljust(80))
print "%s%s\n" % ("".ljust(10), "- Usage : python parselinkmap.py arg1 <arg2>".ljust(80))
print "%s%s" % ("".ljust(10), "- arg1 ：基准LinkMap文件路径".ljust(80))
print "%s%s\n" % ("".ljust(10), "- arg2 ：待比较LinkMap文件路径".ljust(80))
print "%s%s" % ("".ljust(10), "备注：参数2为空时，只输出基准LinkMap分析结果".ljust(80))
print "%s" % "=".ljust(80, '=')
def clean_result_file(file_name):
if os.path.exists(file_name):
os.remove(file_name)
pass
def main():
if len(sys.argv) == 2:
need_compare = 0
pass
elif len(sys.argv) == 3:
need_compare = 1
pass
else:
print_help()
return
pass
base_map_link_file = sys.argv[1]
output_file_path = os.path.dirname(base_map_link_file)
if output_file_path:
base_output_file = output_file_path + "/BaseLinkMapResult.txt"
pass
else:
base_output_file = "BaseLinkMapResult.txt"
pass
read_base_link_map_file(base_map_link_file, base_output_file)
if need_compare == 1:
target_map_link_file = sys.argv[2]
output_file_path = os.path.dirname(target_map_link_file)
if output_file_path:
target_output_file = output_file_path + "/TargetLinkMapResult.txt"
pass
else:
target_output_file = "TargetLinkMapResult.txt"
pass
read_base_link_map_file(target_map_link_file, target_output_file)
base_bundle_list = parse_result_file(base_output_file)
target_bundle_list = parse_result_file(target_output_file)
compare(base_bundle_list, target_bundle_list)
# clean_result_file(base_output_file)
# clean_result_file(target_output_file)
if __name__ == "__main__":
main()