UnicodeDecodeError错误而创建使用Python（py2neo）

嘿我在Neo4j的在python使用py2neo包中创建一组节点中的Neo4j节点。类似的一段代码适用于另一组节点，但在这种情况下不起作用。只有UnicodeDecodeError错误而创建使用Python（py2neo）

from py2neo import * 
rf = open('dataset.txt','r') 
sf = rf.read().split('\n') 
rf.close() 

L = [] 

for i in range(len(sf)): 
    X = sf[i].split('\t') 
    L.append(X) 

for i in range(len(L)): 
    L[i][0] = int(L[i][0]) 
    L[i][1] = int(L[i][1]) 
    L[i][4] = int(L[i][4]) 
    L[i][5] = float(L[i][5]) 
    L[i][6] = float(L[i][6]) 
    L[i][8] = float(L[i][8]) 
    L[i][9] = float(L[i][9]) 
    L[i][10] = float(L[i][10]) 
    L[i][19] = float(L[i][19]) 

def conGraph(): 
    authenticate("localhost:7474","neo4j","neo") 
    graph = Graph("http://localhost:7474/db/data/") 
    return graph 

def createProducts(): 
    graph = conGraph() 
    L1, L2, L3, L4, L5, L6 = [], [], [], [], [], [] 
    for i in range(len(L)): 
     if L[i][17] not in L1: 
      L1.append(L[i][17]) 
      L2.append(L[i][15]) 
      L3.append(L[i][16]) 
      L4.append(L[i][18]) 
      L5.append(float(L[i][9])) 
     L6.append(float(L[i][19])) 
for i in range(len(L1)): 
    p = Node("Product", name = L1[i], category = L2[i], subcategory = L3[i], container = L4[i], unitprice = L5[i], basemargin = L6[i]) 
    graph.create(p) 

createProducts()

第一点被创建，然后发生了如下错误：

Traceback (most recent call last): 
    File "C:\Documents and Settings\Administrator\Desktop\AstroMite\lambda\test.py", line 44, in <module> 
createProducts() 
    File "C:\Documents and Settings\Administrator\Desktop\AstroMite\lambda\test.py", line 41, in createProducts 
p = Node("Product", name = L1[i], category = L2[i], subcategory = L3[i], container = L4[i], unitprice = L5[i], basemargin = L6[i]) 
    File "C:\Python27\lib\site-packages\py2neo\core.py", line 1458, in __init__ 
PropertyContainer.__init__(self, **properties) 
    File "C:\Python27\lib\site-packages\py2neo\core.py", line 1223, in __init__ 
self.__properties = PropertySet(properties) 
    File "C:\Python27\lib\site-packages\py2neo\core.py", line 1110, in __init__ 
self.update(iterable, **kwargs) 
    File "C:\Python27\lib\site-packages\py2neo\core.py", line 1168, in update 
self[key] = value 
    File "C:\Python27\lib\site-packages\py2neo\core.py", line 1139, in __setitem__ 
dict.__setitem__(self, key, cast_property(value)) 
    File "C:\Python27\lib\site-packages\py2neo\types.py", line 55, in cast_property 
value = ustr(value) 
    File "C:\Python27\lib\site-packages\py2neo\util.py", line 210, in ustr 
return s.decode(encoding) 
    File "C:\Python27\lib\encodings\utf_8.py", line 16, in decode 
return codecs.utf_8_decode(input, errors, True) 
UnicodeDecodeError: 'utf8' codec can't decode byte 0xae in position 8: invalid start byte

我搜索了相关的问题，但没有发现任何具体的答案。

来源

2016-01-01 MityManiac

您的错误与neo4j或py2neo无关。阅读您的dataset.txt文件时出现问题。

的Python假定文件是UTF-8编码，并尝试将文件与该字符编码进行解码。它找到一个不是utf-8编码的字符，因此不能被解码。

您的文件很可能不是UTF-8编码。所以，你必须弄清楚的字符编码，然后打开文件，如：

f = open('dataset.txt', encoding = "ISO-8859-1")

UnicodeDecodeError: 'utf-8' codec can't decode byte error

UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c

来源

2016-01-02 13:59:57

非常感谢你 – MityManiac

UnicodeDecodeError错误而创建使用Python（py2neo）

回答

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