[英]My code is running properly in pandas, but not in modin
when i use pandas, the code works perfect ( but very slow ), and when use modin, and concat dataframe, shows me an aerror当我使用 Pandas 时,代码运行良好(但速度很慢),当使用 modin 和 concat 数据框时,显示一个错误
contador = 0
df = pd.DataFrame()
data = pd.DataFrame()
for file in range(len(files)):
usefile = files[file]
print("Valor Numero :" + str(contador) + " de un total de " + str((len(files))) + " archivos")
print("Existe " + str(usefile) + " añadiendolo al DataFrame" )
contador = contador +1
ruta = mainpath + "/" + str(usefile)
df = pd.read_csv(ruta)
datos[usefile] = df
data = pd.concat(datos.values(), keys=datos.keys() , sort='True')
<ipython-input-4-e5a361476e76> in <module>
12 df = pd.read_csv(ruta)
13 datos[usefile] = df
---> 14 data = pd.concat(datos.values(), keys=datos.keys() , sort='True')
15
~/anaconda3/lib/python3.7/site-packages/modin/pandas/concat.py in concat(objs, axis, join, join_axes, ignore_index, keys, levels, names, verify_integrity, sort, copy)
98 new_idx_labels = {
99 keys[i]: objs[i].index if axis == 0 else objs[i].columns
--> 100 for i in range(len(objs))
101 }
102 print(new_idx_labels)
~/anaconda3/lib/python3.7/site-packages/modin/pandas/concat.py in <dictcomp>(.0)
98 new_idx_labels = {
99 keys[i]: objs[i].index if axis == 0 else objs[i].columns
--> 100 for i in range(len(objs))
101 }
102 print(new_idx_labels)
TypeError: 'dict_keys' object is not subscriptable
This is behavior that is unintentionally not yet supported in Modin (version 0.4) based on an assumption that the keys
and objs
parameters are subscriptable.基于keys
和objs
参数是可下标的假设,这是 Modin(版本 0.4)无意中尚未支持的行为。
The last line in your code can be changed as a workaround until it is fixed in Modin:代码中的最后一行可以作为一种解决方法进行更改,直到它在 Modin 中得到修复:
data = pd.concat(list(datos.values()), keys=list(datos.keys()) , sort='True')
I created an issue on the Modin repo to track the issue: https://github.com/modin-project/modin/issues/557我在 Modin repo 上创建了一个问题来跟踪问题: https : //github.com/modin-project/modin/issues/557
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