import linecache filename = 'example.py' # Fetch first line of the Python script print(linecache.getline(filename, 1)) # Fetch fifth line of the Python script print(linecache.getline(filename, 5)) This script pulls the first and fifth lines from the 'example.py' file. Your Python scri...
for line in listOfLines: print(line.strip()) print("***Read file line by line and then close it manualy ***") # Open file fileHandler = open("data.txt", "r") while True: # Get next line from file line = fileHandler.readline() # If line is empty then end of file reached ...
1 #!/usr/bin/env python 2 # encoding: utf-8 3 # 读取中文,搜索中文 4 import os 5 6 def get_lines(fileName):#获取文件行数 7 count = 0 8 for index, line in enumerate(o
Return an empty string at EOF."""passdefreadlines(self, size=None):#real signature unknown; restored from __doc__读取所有数据,并根据换行保存值列表"""readlines([size]) -> list of strings, each a line from the file. Call readline() repeatedly and return a list of the lines so read. ...
('abinfile', 'rb') try: while True: chunk = file_object.read(100) if not chunk: break do_something_with(chunk) finally: file_object.close( ) #读每行 list_of_all_the_lines = file_object.readlines( ) #如果文件是文本文件,还可以直接遍历文件对象获取每行: for line in file_object: ...
inspect.getsourcelines(obj)参数同getsource()方法。它返回的源代码作为行列表返回，行号指示原始源文件找到第一行代码。如果无法检索源代码，则引发OSError异常。inspect.getsourcefile(obj)返回可用于定位对象源的文件名。如果无法识别获取源，则返回None。如何使用 上面3个方法如何使用呢？我们还是使用前面自定义的demo...
data = xlrd.open_workbook(filename)#文件名以及路径,如果路径或者文件名有中文给前面加一个 r 常用的函数 excel中最重要的方法就是book和sheet的操作 (1)获取book(excel文件)中一个工作表 table = data.sheets()[0]#通过索引顺序获取table = data.sheet_by_index(sheet_indx)#通过索引顺序获取table = data...
(year_list) - index), mode='lines', line_color='white')) fig.add_trace(go.Scatter( x=array_dict[f'x_{year}'], y=array_dict[f'y_{year}'] + (len(year_list) - index) + 0.4, fill='tonexty', name=f'{year}'))# 添加文本 fig.add_annotation( x=-20, y=len(year_list) ...
stream("GET", "https://www.example.com") as r: for data in r.iter_bytes(): # 流式传输响应的二进制内容 # for text in r.iter_text(): # 获取全部的文本内容 # for line in r.iter_lines(): # 逐行获取传输响应的文本内容 # for chunk in r.iter_raw(): # 获取编码前的原始数据 #...
close() for x in lines: print(x,end="") except Exception as e: print(e) 输出结果: [Errno 2] No such file or directory: 'D:\\Python学习\\python基础课\\测试用文件夹\\一个不存在的文件.txt' remark:异常处理参考资料 Python 异常处理 | 菜鸟教程 添加文件内容 f=open("D:\\Python学习\...