154 lines
4.8 KiB
Python
154 lines
4.8 KiB
Python
#!/usr/bin/env python
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#coding:utf-8
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import datetime
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import os
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import zipfile
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import subprocess
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import json
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import hashlib
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def zip_dir(dirpath, out_fullname):
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"""
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压缩指定文件夹
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:param dirpath: 目标文件夹路径
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:param outFullName: 压缩文件保存路径+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(dirpath):
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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(dirpath,'')
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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("{}不是zip文件".format(zip_src))
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def zip_file(file_path, out_fullname, is_fixedtime = True):
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"""
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压缩指定文件
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:param dirpath: 目标文件路径
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:param outFullName: 压缩文件保存路径+xxxx.zip
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:return: 无
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"""
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zip_file = zipfile.ZipFile(out_fullname,'w')
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zip_file.write(file_path, compress_type=zipfile.ZIP_DEFLATED)
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if is_fixedtime:
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# 分离文件名称
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names = zip_file.namelist()
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for a_name in names:
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zipinfo_obj = zip_file.getinfo(a_name)
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file_stat = os.stat(file_path)
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zipinfo_obj.date_time = datetime.datetime.fromtimestamp(file_stat.st_mtime).timetuple()[:6]
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zip_file.close()
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def unzip_file(zip_file_path):
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"""
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解压文件
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:param zip_src: zip文件
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:return: 无
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"""
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zip_file = zipfile.ZipFile(zip_file_path)
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# 解压
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# zip_file.extractall(path="{}/../".format(os.path.splitext(zip_file_path)[0]))
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# 设置要解压缩的文件和目录
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extract_dir = "{}".format(os.path.split(zip_file_path)[0])
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# 解压缩文件并将修改时间设置为原有时间
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with zipfile.ZipFile(zip_file_path, 'r') as zip_file:
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for zip_info in zip_file.infolist():
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zip_file.extract(zip_info.filename, path=extract_dir)
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file_path = os.path.join(extract_dir, zip_info.filename)
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mtime = int(datetime.datetime(*zip_info.date_time).timestamp())
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os.utime(file_path, (mtime, mtime))
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def DoCmd(strcmd, logPath=""):
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if len(logPath) > 1:
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logfile = file(logPath, "a")
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logfile.writelines("-----------------------------")
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logfile.writelines(strcmd)
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process = subprocess.Popen(
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strcmd, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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print(strcmd)
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lines_out = process.stdout.readlines()
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for l in lines_out:
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print(l)
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if len(logPath) > 1:
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logfile.writelines(l)
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lines_error = process.stderr.readlines()
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if len(logPath) > 1 and len(lines_error)>0:
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logfile.writelines("has error:\n\n")
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for l in lines_error:
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print(l)
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if len(logPath) > 1:
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logfile.writelines(l)
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print("end: "+strcmd)
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if len(logPath) > 0:
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logfile.writelines("end: "+strcmd)
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logfile.close()
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#
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return lines_out, lines_error
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def get_file_last_line(fname):
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"""
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f_name为所读xx.txt文件
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输出为：文件最后一行
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"""
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print(fname)
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with open(fname, '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' + fname + '第一行为：' + first_line)
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print('文件' + fname + '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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#根据文件内容，生成hash值，filepath文件路径
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def calc_hash(filepath):
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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 = sha1obj.hexdigest()
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return hash |