254 lines
7.0 KiB
Python
254 lines
7.0 KiB
Python
#!/usr/bin/env python
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# coding:utf-8
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import glob
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import hashlib
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import json
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import os
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import sys
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import gzip
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import shutil
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import subprocess
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import zipfile
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curr_dir = os.path.split(os.path.abspath(__file__))[0]
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def write_json_file(filename, json):
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"""
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将JSON内容写入指定文件
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:param filename: 文件路径
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:param json: 要写入的JSON内容
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:return: 无
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"""
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# 确保文件所在目录存在
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directory = os.path.dirname(filename)
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if directory and not os.path.exists(directory):
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os.makedirs(directory)
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with open(filename, "w") as f:
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f.write(json)
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f.close()
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def write_json_file(folder, filename, json):
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if not os.path.exists(folder):
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os.mkdir(folder)
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f = open(folder + '/' + filename, "w")
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f.write(json)
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f.close()
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def gzip_file(_in_file):
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with open(_in_file, 'rb') as f_in:
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with gzip.open(_in_file + '.gz', 'wb') as f_out:
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shutil.copyfileobj(f_in, f_out)
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def zip_dir(dir_path, out_fullname):
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"""
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压缩指定文件夹
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:param dir_path: 目标文件夹路径
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:param out_fullname: 压缩文件报错路径+xxxx.zip
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:return: 无
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"""
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zip = zipfile.ZipFile(out_fullname, "w", zipfile.ZIP_DEFLATED)
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for path, dirnames, filenames in os.walk(dir_path):
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# 去掉目标跟路径，只对目标文件夹下边的文件及文件夹进行压缩
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fpath = path.replace(dir_path, '')
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for filename in filenames:
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zip.write(os.path.join(path, filename), os.path.join(fpath, filename))
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zip.close()
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def unzip_dir(zip_src, dst_dir):
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"""
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解压文件到指定文件夹
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:param zip_src: zip文件
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:param dst_dir: 解压目录
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:return: 无
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"""
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r = zipfile.is_zipfile(zip_src)
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if r:
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fz = zipfile.ZipFile(zip_src, 'r')
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for file in fz.namelist():
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fz.extract(file, dst_dir)
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else:
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print('%s This is not zip' % zip_src)
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def zip_file(file_path, out_fullname):
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"""
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压缩指定文件
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:param file_path: 目标文件路径
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:param out_fullname: 压缩文件保存路径+xxxx.zip
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:return: 无
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"""
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file_zip = zipfile.ZipFile(out_fullname, 'w')
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file_zip.write(file_path, compress_type=zipfile.ZIP_DEFLATED)
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file_zip.close()
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def unzip_file(zip_file_path, sp_path=""):
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"""
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解压文件
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:param zip_file_path: zip文件路径
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:param sp_path: 指定目录
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:return: 无
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"""
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file_zip = zipfile.ZipFile(zip_file_path)
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sp_path = sp_path if sp_path != "" else "{}/../".format(os.path.splitext(zip_file_path)[0])
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# 解压
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file_zip.extractall(path=sp_path)
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def get_file_last_line(f_name):
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"""
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:param f_name: f_name为所读xx.txt文件
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:return: 文件最后一行
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"""
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print(f_name)
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with open(f_name, 'r') as f: # 打开文件
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first_line = f.readline() # 读第一行
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off = -50 # 设置偏移量
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while True:
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f.seek(off, 2) # seek(off, 2)表示文件指针：从文件末尾(2)开始向前50个字符(-50)
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lines = f.readlines() # 读取文件指针范围内所有行
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if len(lines) >= 2: # 判断是否最后至少有两行，这样保证了最后一行是完整的
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last_line = lines[-1] # 取最后一行
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break
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# 如果off为50时得到的readlines只有一行内容，那么不能保证最后一行是完整的
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# 所以off翻倍重新运行，直到readlines不止一行
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off *= 2
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print('文件' + f_name + '第一行为：' + first_line)
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print('文件' + f_name + '最后一行为：' + last_line)
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return last_line
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def open_json(path):
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dic = {}
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with open(path, 'r') as f:
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dic = json.load(f)
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return dic
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def write_json(path, content):
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with open(path, 'w') as f:
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json.dump(content, f)
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def calc_hash(filepath):
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"""
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根据文件内容，生成hash值
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:param filepath: 文件路径
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:return: hash code
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"""
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with open(filepath, 'rb') as f:
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sha1obj = hashlib.sha1()
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sha1obj.update(f.read())
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hash_code = sha1obj.hexdigest()
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return hash_code
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def calc_md5(filepath):
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"""
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根据文件内容，生成md5码
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:param filepath: 文件路径
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:return: md5 code
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"""
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with open(filepath, 'rb') as f:
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md5obj = hashlib.md5(f.read())
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md5_code = md5obj.hexdigest()
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return md5_code
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def delete_files_with_extension(folder_path, extension):
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"""
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删除指定文件夹内指定后缀的文件
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:param folder_path: 文件夹路径
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:param extension: 后缀名称
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:return: 无
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"""
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# 获取指定文件夹内指定后缀的文件列表
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files = glob.glob(os.path.join(folder_path, f"*.{extension}"))
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# 遍历文件列表并删除文件
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for file_path in files:
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os.remove(file_path)
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def run_cmd(str_cmd, log_path=""):
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if len(log_path) > 1:
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logfile = open(log_path, "a")
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logfile.writelines("-----------------------------")
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logfile.writelines(str(str_cmd))
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process = subprocess.Popen(
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str_cmd, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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print(str_cmd)
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lines_out = process.stdout.readlines()
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for line in lines_out:
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print(line)
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if len(log_path) > 1:
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logfile.writelines(str(line))
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lines_error = process.stderr.readlines()
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if len(log_path) > 1 and len(lines_error) > 0:
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logfile.writelines("has error:\n\n")
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for line in lines_error:
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print(line)
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if len(log_path) > 1:
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logfile.writelines(str(line))
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print("end: " + str_cmd)
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if len(log_path) > 0:
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logfile.writelines("end: " + str_cmd)
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logfile.close()
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return lines_out, lines_error
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def mkdirs(dir_path: str):
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if not os.path.exists(dir_path):
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os.makedirs(dir_path)
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def clear_dirs(dir_path: str):
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if os.path.exists(dir_path):
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shutil.rmtree(dir_path)
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os.makedirs(dir_path)
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def copy_dir(src_dir, dst_dir):
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if not os.path.exists(src_dir):
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return
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if not os.path.exists(dst_dir):
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os.makedirs(dst_dir)
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for item in os.listdir(src_dir):
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src_item = os.path.join(src_dir, item)
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dst_item = os.path.join(dst_dir, item)
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if os.path.isdir(src_item):
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copy_dir(src_item, dst_item)
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else:
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shutil.copyfile(src_item, dst_item)
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def copy_file(src_thum_file, dst_thum_file):
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if not os.path.exists(src_thum_file):
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return
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shutil.copyfile(src_thum_file, dst_thum_file)
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def get_bundle_file_path(bundle_dir_path):
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"""
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在指定目录中查找.bundle后缀文件，返回文件路径，不遍历子目录
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:param bundle_dir_path: 目标文件夹路径
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:return: .bundle文件路径，如果没找到则返回None
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"""
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if not os.path.exists(bundle_dir_path):
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return None
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for file in os.listdir(bundle_dir_path):
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file_path = os.path.join(bundle_dir_path, file)
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if os.path.isfile(file_path) and file.endswith('.bundle'):
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return file_path
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return None |