Python中的类常量字典
我正在构建一个具有类变量字典的模块:Python中的类常量字典,python,class,dictionary,Python,Class,Dictionary,我正在构建一个具有类变量字典的模块: class CodonUsageTable: CODON_DICT={'TTT': 0, 'TTC': 0, 'TTA': 0, 'TTG': 0, 'CTT': 0, 'CTC': 0, 'CTA': 0, 'CTG': 0, 'ATT': 0, 'ATC': 0, 'ATA': 0, 'ATG': 0, 'GTT': 0, 'GTC': 0, 'GTA': 0, 'GTG': 0, 'TAT
class CodonUsageTable:
CODON_DICT={'TTT': 0, 'TTC': 0, 'TTA': 0, 'TTG': 0, 'CTT': 0,
'CTC': 0, 'CTA': 0, 'CTG': 0, 'ATT': 0, 'ATC': 0,
'ATA': 0, 'ATG': 0, 'GTT': 0, 'GTC': 0, 'GTA': 0,
'GTG': 0, 'TAT': 0, 'TAC': 0, 'TAA': 0, 'TAG': 0,
'CAT': 0, 'CAC': 0, 'CAA': 0, 'CAG': 0, 'AAT': 0,
'AAC': 0, 'AAA': 0, 'AAG': 0, 'GAT': 0, 'GAC': 0,
'GAA': 0, 'GAG': 0, 'TCT': 0, 'TCC': 0, 'TCA': 0,
'TCG': 0, 'CCT': 0, 'CCC': 0, 'CCA': 0, 'CCG': 0,
'ACT': 0, 'ACC': 0, 'ACA': 0, 'ACG': 0, 'GCT': 0,
'GCC': 0, 'GCA': 0, 'GCG': 0, 'TGT': 0, 'TGC': 0,
'TGA': 0, 'TGG': 0, 'CGT': 0, 'CGC': 0, 'CGA': 0,
'CGG': 0, 'AGT': 0, 'AGC': 0, 'AGA': 0, 'AGG': 0,
#Other code
def __init__(self,seqobj):
'''Creates codon table for a given Bio.seq object.i
The only argument is Bio.Seq object with DNA
Currently assumes seq to be DNA, RNA support to be added later'''
dnaseq=str(seqobj)
self.usage_table=CodonUsageTable.CODON_DICT.deepcopy()#instance of table
最后一行必须复制一个类字典来存储实例数据,但它会抛出
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "./codon_usage.py", line 47, in __init__
self.usage_table=CodonUsageTable.CODON_DICT.deepcopy()#instance of codon usage table
NameError: global name 'CODON_DICT' is not defined
这些症状暗示着故事是这样的:
CODON\u DICT
不能像那样访问,并修复了它李>
>>> reload(codon_usage)
然后再试一次
(旁注:
dict
没有方法deepcopy
,该函数来自模块copy
dict.copy
在这里就足够了).CODON\u DICT/CODON\u DICT/g类本身内部让我猜猜:您是从python shell运行它并并行编辑文件吗?您的字典结构正确吗?在我看来,有一个结束括号丢失了。此外,当您从命令行访问密码时,在末尾还有一个额外的右括号。看起来不像字典。@sid,在复制粘贴时把它弄糟了。
>>> reload(codon_usage)