Python not readable try: with open('data.txt','w') as f: for each_line in f: print(each_line) except OSError as reason: print('出错啦'+str(reason)) 报错not readable r只读,r+读写,不创建 w新建只写,w+新建读写,二者都会将文件内容清零 (以w方式打开,不能读出。w+可读写) **w+与r...
UnsupportedOperation:notreadable 可能原因: 1、打开example-w.txt是以只写方式打开的,再用read()方法读文件会报错。 解决方法: 1、如果文件只写入文件,不能使用read()方法。或者使用追加方式’a+’打开文件,可以先读文件,再写入文件。文件读写操作可参考:Python进阶教程m2–文件读写 #juzicode.com/vx:桔子code ...
io.UnsupportedOperation: not readable python编程中老是这情况，是因为这个代码中有两处错误：1、你是用open打开一个文件，此时调用的是w写入模式，下面使用read是没有权限的。2、使用write写入一个字符s，但是此时并没有真正的写入，而是还存在与内存中。此时执行read读取的为空字符。需要先执行a.close...
The “io.UnsupportedOperation: not readable” error can occur when you’re trying to read JSON data using thejson.load()function in Python, and the file-like object passed to the function does not support the “read” operation. Here’s an example of how the error might be raised: ...
问Python打印错误消息io.UnsupportedOperation: not readableEN打印当前.py文件错误行： import sys try: ...
在解析JSON消息时,抛出了HttpMessageNotReadableException异常。异常提示无法读取HTTP消息中的JSON部分。具体的异常原因是JSON解析器遇到ASCII码为160的非换行空格字符,但它期望的是一个双引号来开始字段名。因此,解析器无法正确识别JSON结构,导致抛出异常。 原因分析: ...
print("Either file is missing or is not readable") And the error: --- OSError Traceback (most recent call last) <ipython-input-21-dc964679d992> in <module>() 5 6 if os.path.isfile(filename1) and os.access(filename1, os.R_OK): ---> 7 f = h5py.File(file...
how to fix it. This issue may arise while working with Python applications that require YAML processing. YAML (short for "YAML Ain't Markup Language") is a human-readable data serialization format often used for configuration files and data exchange between languages with different data structures...
byte-compiling build/bdist.linux-x86_64/egg/ranger/ext/lazy_property.py to lazy_property.cpython-39.pyc byte-compiling build/bdist.linux-x86_64/egg/ranger/ext/shell_escape.py to shell_escape.cpython-39.pyc byte-compiling build/bdist.linux-x86_64/egg/ranger/ext/human_readable.py to human...
{file_path}is not a valid file.")returntry:# 获取文件的可访问性accessible=os.access(file_path,os.R_OK)ifaccessible:print(f"File{file_path}is readable.")else:print(f"File{file_path}is not readable.")exceptExceptionase:print(f"Error occurred:{e}")# 调用函数check_file_flags("/path/...