2. Standard Method – Using open() and read() The most straightforward way to read a file into a string in Python is by using the open() function combined with the read() method. Using open() and read() Python 1 2 3 4 with open('example.txt', 'r') as file: file_content =...
import bz2 with bz2.open('somefile.bz2','wt') as f: f.write(text) 1. 2. 3. 4. 5. 6. 7. 8. 4.读取二进制数据到可变缓冲区 应用场景:需要直接读取二进制数据到一个缓冲区,而不需要做任何的中间复制操作 解决方案:使用文件对象的readinto()方法 示例 import os.path def read_into_buffer(f...
0,0)写一个自动化的小脚本deff():sht_3.range("A1:AZ48").column_width=1.1sht_3.range(...
"age":obj.age}raiseTypeError("Object of type 'Person' is not JSON serializable")# 创建一个Person实例person_instance=Person(name="Emma",age=28)# 序列化为JSON字符串json_string_custom=json.dumps(person_instance,default=person_encoder,indent=2)print(json_string_custom)...
FILE_SERVER = 'sftp://sftp_user:sftp_pwd@10.1.3.2' # TIME_SN is a string consisting of the year, month, day, hour, minute, and second. TIME_SN = '20200526120159' # device info SYSLOG_INFO = 'UDP' SPACE_CLEAR = ZTP_SPACE_CLEAR_NO_NEED ACTIVE_DELAYTIME = '60' #ACTIVE_INTIME ...
part = MIMEBase('application', 'octet-stream') part.set_payload(attachment.read()) encoders.encode_base64(part) part.add_header('Content-Disposition', f"attachment; filename= {file_path}") message.attach(part) server.sendmail(sender_email, recipient_email, message.as_string()) server.quit...
__读取到缓冲区,不要用,将被遗弃Python 3.x已经没有改功能"""readinto() -> Undocumented. Don't use this; it may go away."""passdefreadline(self, size=None):#real signature unknown; restored from __doc__仅读取一行数据"""readline([size]) -> next line from the file, as a string....
string"""r_str=input_str.replace('\r\n','\n')returnr_strdefdos2unix(source_file:str,dest_file:str):"""\Coverts a file that contains Dos like line endings into Unix likeParameters---source_fileThe path to the source file to be converteddest_fileThe path to the converted file for ...
The converted string """r_str = input_str.replace('\r\n','\n')returnr_strdefdos2unix(source_file:str, dest_file:str):"""\ Coverts a file that contains Dos like line endings into Unix like Parameters --- source_file The path to...
For information about building Python's documentation, refer toDoc/README.rst. Testing To test the interpreter, typemake testin the top-level directory. The test set produces some output. You can generally ignore the messages about skipped tests due to optional features which can't be imported....