当我在IOError中打开.csv文件时,它说我在目录中没有这个文件,这是我的目录:
/survat #theproject
/survatapp #theapp
/modules
__init__.py
survat_core.py
__init__.py
views.py
forms.py
models.py
prostate1.csv
__init__.py
settings.py
urls.py
wsgi.py
/database
sqlite.db
/media
/static
/bootstrap
这是回溯
Environment:
Request Method: GET
Request URL: http://localhost:8000/graph.png
Django Version: 1.4.1
Python Version: 2.7.9
Installed Applications:
('django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.sites',
'django.contrib.messages',
'django.contrib.staticfiles',
'survat.survatapp')
Installed Middleware:
('django.middleware.common.CommonMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware')
Traceback:
File "C:\Python27\lib\site-packages\django\core\handlers\base.py" in get_response
111. response = callback(request, *callback_args, **callback_kwargs)
File "C:\Users\Milexjaro\Dropbox\Thesis2\survat\survatapp\views.py" in showimage
129. printaalen('prostate1.csv','dtime','status1','age','hg','sz','sg','pf','rx')
File "C:\Users\Milexjaro\Dropbox\Thesis2\survat\survatapp\views.py" in printaalen
105. prostate_dataset=pd.read_csv(args[0])
File "C:\Python27\lib\site-packages\pandas\io\parsers.py" in parser_f
465. return _read(filepath_or_buffer, kwds)
File "C:\Python27\lib\site-packages\pandas\io\parsers.py" in _read
241. parser = TextFileReader(filepath_or_buffer, **kwds)
File "C:\Python27\lib\site-packages\pandas\io\parsers.py" in __init__
557. self._make_engine(self.engine)
File "C:\Python27\lib\site-packages\pandas\io\parsers.py" in _make_engine
694. self._engine = CParserWrapper(self.f, **self.options)
File "C:\Python27\lib\site-packages\pandas\io\parsers.py" in __init__
1061. self._reader = _parser.TextReader(src, **kwds)
Exception Type: IOError at /graph.png
Exception Value: File prostate1.csv does not exist
我的views.py
就像:
from django.shortcuts import render_to_response
from django.template import RequestContext
from django.http import HttpResponseRedirect
from django.core.urlresolvers import reverse
from survat.survatapp.models import Document
from survat.survatapp.forms import DocumentForm
from django.http import HttpResponse
import os
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
from lifelines import CoxPHFitter,AalenAdditiveFitter
from django.http import HttpResponse
from matplotlib import pylab
from pylab import *
import PIL, PIL.Image, StringIO
from survat.survatapp.modules.survat_core import printall
def showimage(request):
def printaalen(*args):
# module_dir = os.path.dirname(__file__) # get current directory
# file_path = os.path.join(module_dir, 'prostate1.csv')
# prostate_dataset=pd.read_csv(file_path)
prostate_dataset=pd.read_csv(args[0]) #<-- This is the issue
prostate_dataset=prostate_dataset[list(args[1:])]
pdplot=prostate_dataset[list(args[3:])]
for x in prostate_dataset:
if (prostate_dataset[x].dtype=="object"):
cat=pd.Series(list(prostate_dataset[x]))
for y in pd.unique(cat):
prostate_dataset[x+'.'+y]=pd.get_dummies(cat)[y]
prostate_dataset.drop(x, axis=1, inplace=True)
else:
pass
aaf=AalenAdditiveFitter(fit_intercept=False)
aaf.fit(prostate_dataset,args[1],event_col=args[2])
aalenListPlot=list(prostate_dataset.columns.values)[2:]
aalenPlotTemp=[]
for x in aalenListPlot:
aalenPlotTemp.append(aaf.plot( columns=[ x ], color='red' ))
return aaf.plot( columns=[ 'age','hg' ], color='red' )
printaalen('prostate1.csv','dtime','status1','age','hg','sz','sg','pf','rx')
xlabel('X Bar')
ylabel('Y Bar')
title('Significance of dataset')
grid(True)
# Store image in a string buffer
buffer = StringIO.StringIO()
canvas = pylab.get_current_fig_manager().canvas
canvas.draw()
pilImage = PIL.Image.fromstring("RGB", canvas.get_width_height(), canvas.tostring_rgb())
pilImage.save(buffer, "PNG")
pylab.close()
# Send buffer in a http response the the browser with the mime type image/png set
return HttpResponse(buffer.getvalue(), mimetype="image/png")
def list(request):
# Handle file upload
if request.method == 'POST':
form = DocumentForm(request.POST, request.FILES)
if form.is_valid():
newdoc = Document(docfile = request.FILES['docfile'])
newdoc.save()
# Redirect to the document list after POST
return HttpResponseRedirect(reverse('survat.survatapp.views.list'))
else:
form = DocumentForm() # A empty, unbound form
# Load documents for the list page
documents = Document.objects.all()
def delete_matrix():
documents = Document.objects.all()
for document in documents:
document.delete()
ae=printall('prostate1.csv','dtime','status1','age','hg','sz','sg','pf','rx')
# Render list page with the documents and the form
return render_to_response(
'survatapp/list.html',
{'documents': documents, 'form': form, 'ae':ae},
context_instance=RequestContext(request)
)
当我打开#
标记时:
# module_dir = os.path.dirname(__file__) # get current directory
# file_path = os.path.join(module_dir, 'prostate1.csv')
# prostate_dataset=pd.read_csv(file_path)
并让#
签到:
prostate_dataset=pd.read_csv(args[0])
它给了attribute error
'tuple' object has no attribute 'method'
我该怎么办?提前感谢
更新6/11/2015:在views.py
中添加完整的路径和完整的代码,我意识到,当我在views.py
中删除list
函数时,图形工作得很好,我认为list
函数和showimage
函数之间存在冲突。下面是属性错误跟踪:
Environment:
Request Method: GET
Request URL: http://localhost:8000/graph.png
Django Version: 1.4.1
Python Version: 2.7.9
Installed Applications:
('django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.sites',
'django.contrib.messages',
'django.contrib.staticfiles',
'survat.survatapp')
Installed Middleware:
('django.middleware.common.CommonMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware')
Traceback:
File "C:\Python27\lib\site-packages\django\core\handlers\base.py" in get_response
111. response = callback(request, *callback_args, **callback_kwargs)
File "C:\Users\Milexjaro\Dropbox\Thesis2\survat\survatapp\views.py" in showimage
129. printaalen('prostate1.csv','dtime','status1','age','hg','sz','sg','pf','rx')
File "C:\Users\Milexjaro\Dropbox\Thesis2\survat\survatapp\views.py" in printaalen
106. prostate_dataset=prostate_dataset[list(args[1:])]
File "C:\Users\Milexjaro\Dropbox\Thesis2\survat\survatapp\views.py" in list
24. if request.method == 'POST':
Exception Type: AttributeError at /graph.png
Exception Value: 'tuple' object has no attribute 'method'
发布于 2015-06-11 10:56:06
在views.py中添加完整的路径和完整的代码,我意识到,当我在views.py中删除
list
函数时,图形工作得很好,我认为列表函数和显示函数之间存在冲突
确实是这样。将视图函数命名为list
会在整个模块的命名空间中隐藏内置类型的list
,因此在printaalen()
中,当您尝试使用内置列表类型时,您将调用视图函数。
TL;DR :不要隐藏内置的名字。
https://stackoverflow.com/questions/30777247
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