Traceback (most recent call last): File"/usr/lib/python3/dist-packages/pip/req/req_install.py", line1006,incheck_if_exists self.satisfied_by=pkg_resources.get_distribution(str(no_marker)) File"/usr/share/python-
importosimporttimedefcheck_file_exist(file_path):ifos.path.exists(file_path):print("文件存在")returnTrueelse:print("文件不存在")returnFalsedefmodify_time(file_path,access_time,modify_time):# 将时间转换为秒数access_time=int(time.mktime(access_time.timetuple()))modify_time=int(time.mktime(mod...
# print(all_data[1:-1]) # save_data_to_table(all_data, filename, sheetname) if file_exists(filename): update_data(filename, all_data[1:]) else: save_data_to_table([all_data[0]], filename, sheetname) update_data(filename, all_data[1:]) if __name__ == '__main__': m...
python3 安装scrapy Exception: Traceback (most recent call last): File "/usr/lib/python3/dist-packages/pip/req/req_install.py", line 1006, in check_if_exists解决方法 2016-07-22 00:48 −... INnoVation-V2 0 45739 Python3 pip安装和生成requirements文件 ...
os.path.exists(filepath) check某个文件或目录是否存在 os.path.join(a,b)拼接目录地址 第二步:文件压缩与解压相关操作: import zipfile with zipfile.ZipFile(originalFilepath) as zf: zf.extractAll(targetPath) 第三步:pandas DataFrame里面取到某个列target的数据, 做类型转换: ...
CHECK：检查约束，确保某列中所有的值满足指定的条件。那么，参照着上方的SQL语句知识，我们将删除表以及创建表结构的语句添加到代码中。示例代码：（删除/创建表score）cur.execute('DROP TABLE IF EXISTS score')cur.execute('''CREATE TABLE score(StuId INTEGER PRIMARY KEY NOT NULL,StuName TEXT NOT...
(current_directory,script_name)# 检查目标文件是否存在ifnotos.path.exists(script_path):print(f"错误:文件{script_path}不存在.")return# 构建PyInstaller命令pyinstaller_cmd=['pyinstaller','--onefile',script_path]# 执行PyInstaller命令try:subprocess.check_call(pyinstaller_cmd)print(f"{script_name}已...
from untils.log_trace import * class CheckResult(): def dict_value(self,key,actual): try: if key in actual: return actual[key] else: for keys in actual: return self.dict_value(key,actual[keys]) except Exception as e: logging.error(e) return None def cmpdict(self,expect,actual,equal...
os.path.exists(__dir__)# 判断文件是否存在 os.path.isfile(__file__)# 判断路径是否为文件夹 os.path.isdir(__path__)#创建多层文件夹(也可以创建单层文件夹)os.makedirs(__path__)# 根据路径取得文件的文件名 os.path.basename(__path__)...
'''self.check_ffmepg_exist()ifenv==1elseprint(end='')defcheck_ffmepg_exist(self):base_dir=os.getcwd()+os.sep+'bin'assertos.path.exists(base_dir+os.sep+'ffmpeg.exe'),FileNotFoundError('The bin dir not have ffmpeg.exe')assertos.path.exists(base_dir+os.sep+'ffprobe.exe'),FileNot...