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Python EOL while scanning string literal问题解决方法

Jun 06, 2016 am 11:26 AM
eol python while

项目中有个定时任务,每天取到一些表数据传到一个外部接口,但是最近总是有异常,今天查了下原因。

首先本地和测试环境测试这个程序都没问题,只有线上环境会在日志中抛出异常,猜测异常主要产生的原因是数据的异常。
但是哪些数据有异常,由不得而知,于是增加了程序的输出日志和数据打印,通过几次的运行定位了发生错误的函数和数据记录。

异常是这样的:

代码如下:


EOL while scanning string literal: , line 1, pos 7 

google一下,这个异常造成的原因是字符串,引号没有成对出现,也就是类似下面的情况

代码如下:


str('1) 
Traceback (most recent call last): 
  File "", line 1, in  
EOL while scanning string literal: , line 1, pos 7 


想一想程序中是没有这样的问题,那问题就来自数据库中的记录了,经过排查发现数据库中有个字段最大长度是65k,而存入的数据大于65k,整个字符串就被截断了。

整个字符串不是一般的字符串,而是一个字典的字符形式,类似 str(dictA)
dicA某个key或者是value正好被截断 例如从{“name”:“orangleiu”}  截断为 {"name":"orang
所以在取出来的转换成str类型的时候就报错了。

加上异常处理和字段增长长度解决了问题。

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