Question

我有一个管理命令，可以打印出功能输出。但是执行后会出现错误。

什么是错误以及如何解决？

from django.core.management.base import BaseCommand
from Destinations.models import *
from LCR.views import *

class Command(BaseCommand):
    help = 'Generates a LCR when executed '

    def handle(self,*args, **kwargs):
        LCR(self)

（VE）C：\ Users \ Bitswits 3 \ Desktop \ LCRProject \ LeastCostRouting> python   manage.py my_dest_commands {'48'：['Tata'，'0.531'，'Tata'，'   0.531”，“塔塔”，“ 0.531”，“塔塔”，“ 0.531”，“塔塔”，“ 0.531”，“塔塔”，“ 0.531”]，“ 23”：['塔塔”，“ 4.150”，“塔塔”，“ 4.150”，“塔塔”，“   4.150'，'Tata'，'4.150'，'Tata'，'4.150'，'Tata'，'4.150'，'PTCL'，'0.888'，'PTCL'，'0.888'，'PTCL'，'0.888' ，“ PTCL”，“ 0.888”，   'PTCL'，'0.888'，'PTCL'，'0.888']}

回溯（最近一次通话最近）：文件“ manage.py”，第22行，在          execute_from_command_line（sys.argv）文件“ C：\ Users \ BITSWI〜1 \ Desktop \ LCRPRO〜1 \ VE \ lib \ site-packages \ django \ core \ management__init __。py”，   第364行，在execute_from_command_line中       utility.execute（）文件“ C：\ Users \ BITSWI〜1 \ Desktop \ LCRPRO〜1 \ VE \ lib \ site-packages \ django \ core \ management__init __。py”，   第356行，执行       self.fetch_command（子命令）.run_from_argv（self.argv）文件“ C：\ Users \ BITSWI〜1 \ Desktop \ LCRPRO〜1 \ VE \ lib \ site-packages \ django \ core \ management \ base.py”，   第283行，在run_from_argv中       self.execute（* args，** cmd_options）文件“ C：\ Users \ BITSWI〜1 \ Desktop \ LCRPRO〜1 \ VE \ lib \ site-packages \ django \ core \ management \ base.py”，   执行中的第330行       输出= self.handle（* args，** options）文件“ C：\ Users \ Bitswits 3 \ Desktop \ LCRProject \ LeastCostRouting \ Destinations \ management \ commands \ my_dest_commands.py”，   第14行，在句柄中       在LCR中打印LCR（自己）文件“ C：\ Users \ Bitswits 3 \ Desktop \ LCRProject \ LeastCostRouting \ LCR \ views.py”，行269       返回渲染（请求，模板，{“ ratelist”：费率表，“ emailadd”：emailadd}）文件   “ C：\ Users \ BITSWI〜1 \ Desktop \ LCRPRO〜1 \ VE \ lib \ site-packages \ django \ shortcuts.py”，   第30行，在渲染中       内容= loader.render_to_string（模板名称，上下文，请求，使用=使用）文件   “ C：\ Users \ BITSWI〜1 \ Desktop \ LCRPRO〜1 \ VE \ lib \ site-packages \ django \ template \ loader.py”，   第68行，在render_to_string中       返回template.render（上下文，请求）文件“ C：\ Users \ BITSWI〜1 \ Desktop \ LCRPRO〜1 \ VE \ lib \ site-packages \ django \ template \ backends \ django.py”，   第66行，在渲染中       返回self.template.render（context）文件“ C：\ Users \ BITSWI〜1 \ Desktop \ LCRPRO〜1 \ VE \ lib \ site-packages \ django \ template \ base.py”，   渲染中的第205行       使用context.bind_template（self）：文件“ c：\ python27 \ Lib \ contextlib.py”，第17行，输入       返回self.gen.next（）文件“ C：\ Users \ BITSWI〜1 \ Desktop \ LCRPRO〜1 \ VE \ lib \ site-packages \ django \ template \ context.py”，   第263行，在bind_template中       updates.update（processor（self.request））文件“ C：\ Users \ BITSWI〜1 \ Desktop \ LCRPRO〜1 \ VE \ lib \ site-packages \ django \ template \ context_processors.py”，   第43行，在调试中       如果settings.INTERNAL_IPS中的settings.DEBUG和request.META.get（'REMOTE_ADDR'）无效   属性“ META”

def LCR(request):
    template = "LCR\LCRGen.html"

    emailadd = Email.objects.all()
    dest = Destination.objects.values_list('dest_num', flat=True)

    ratelist = {}
    csv_file   =  { }
    data_set   =  { }
    io_string  =  { }


    vendor = RateFile.objects.values_list()
    v_count = vendor.count()

    for v_id, v_name, v_file in vendor:
        vendor_name = str(v_name)
#converted into a string so that i may be used to reference for file creation with the vendor name. like this (csv_fileTata)
        vendornames = str(v_name)
#converted into a string to use as an empty dict var name
        vendornames = { }

        for desNum in dest:
            desNum = str(desNum)


            for countvar in range(v_count):

                csv_file[vendor_name] = RateFile.objects.get(id=v_id).ven_file

                data_set[vendor_name] = csv_file[vendor_name].read().decode("UTF-8")

                io_string[vendor_name] = io.StringIO(data_set[vendor_name])
                next(io_string[vendor_name])


                for column in csv.reader(io_string[vendor_name], delimiter=str(u",")):

    #creates a dictionary with the name of the vendor,the number as key and rate as value

                    vendornames[column[0]] = column[1]



                # csvfile.close()


                for venNum, venValue in vendornames.items():



                    venlen = len(venNum)
                    deslen = len(desNum)



                    # csvfile = open('csvfile.csv','w')
                    if venlen >= deslen:


                        if desNum[:-1]==venNum[:-1] and desNum[:-2]==venNum[:-2] and desNum[:-3] == venNum[:-3]:
                            # print ('====================')
                            # print (venNum)
                            # print (desNum)
                            # print "Works well 1"
                            # print ('====================')

                            # ratelist[desNum] = [vendor_name, venValue]
                            # ratelist[desNum].append(venValue)
                            # rates = dict((desNum, tuple(vendor_name))
                            #              for desNum, vendor_name in ratelist.items())

                            # thewriter.writerow
                            # ({'Destinations':[desNum], 'Vendors':[vendor_name], 'Rates':[venValue] })

                            ratelist.setdefault(
                                desNum, []).append(vendor_name)
                            ratelist.setdefault(
                                desNum, []).append(venValue)
                            if vendor_name and venValue in desNum:
                                print 'stuff'
                            else:
                                ratelist.setdefault(
                                    desNum, []).append(vendor_name)
                            ratelist.setdefault(
                                desNum, []).append(venValue)







                        elif desNum[:-1] == venNum[:-2] and desNum[:-2] == venNum[:-3] and desNum[:-3] == venNum[:-4]:


                                    # print ('====================')
                                    # print (venNum)
                                    # print (desNum)
                                    # print (venValue)
                            # print "Works well 2"
                            # print ('====================')
                            # ratelist[desNum].append(vendor_name)
                            # rates = dict((desNum, tuple(venValue)) for desNum, vendor_name in ratelist.iteritems())


                            # thewriter.writerow({'Destinations':[desNum], 'Vendors':[vendor_name], 'Rates':[venValue]})




                            ratelist.setdefault(
                                desNum, []).append(vendor_name)
                            ratelist.setdefault(
                                desNum, []).append(venValue)
                            if vendor_name and venValue in desNum:
                                print 'stuff'
                            else:
                                ratelist.setdefault(
                                    desNum, []).append(vendor_name)
                            ratelist.setdefault(
                                desNum, []).append(venValue)


                        elif desNum[:-1] == desNum[:-3] and desNum[:-2] == venNum[:-4] and desNum[:-3] == venNum[:-5]:
                            # ratelist[desNum].append(vendor_name)
                            # rates = dict((desNum, tuple(venValue)) for desNum, vendor_name in ratelist.iteritems())
                            # thewriter.writerow
                            # ({'Destinations':[desNum], 'Vendors':[vendor_name], 'Rates':[venValue] })
                            ratelist.setdefault(
                                desNum, []).append(vendor_name)
                            ratelist.setdefault(
                                desNum, []).append(venValue)
                            if vendor_name and venValue in desNum:
                                print "STUFF"
                            else:
                                ratelist.setdefault(
                                    desNum, []).append(vendor_name)
                            ratelist.setdefault(
                                desNum, []).append(venValue)

                                    # print ('====================')
                                    # print (venNum)
                                    # print (desNum)
                                    # print (venValue)
                            # print "Works well3"
                            # print ('====================')

                        elif desNum[:-1] == venNum[:-4] and desNum[:-2] == venNum[:-5]:

                            # ratelist[desNum].append(vendor_name)
                            # rates = dict((desNum, tuple(venValue)) for desNum, vendor_name in ratelist.iteritems())
                            # thewriter.writerow
                            # ({'Destinations':[desNum], 'Vendors':[vendor_name], 'Rates':[venValue] })
                            ratelist.setdefault(
                                desNum, []).append(vendor_name)
                            ratelist.setdefault(
                                desNum, []).append(venValue)
                            if vendor_name and venValue in desNum:
                                print "FOUND"
                            else:
                                ratelist.setdefault(
                                    desNum, []).append(vendor_name)
                            ratelist.setdefault(
                                desNum, []).append(venValue)



                        elif desNum[:-1] == venNum[:-5] and desNum[:-2] == venNum[:-6]:

                            # ratelist[desNum].append(vendor_name)
                            # rates = dict((desNum, tuple(venValue))
                            #              for desNum, vendor_name in ratelist.iteritems())

                            # print rates
                            # thewriter.writerow
                            # ({'Destinations':[desNum], 'Vendors':[vendor_name], 'Rates':[venValue] })
                            ratelist.setdefault(
                                desNum, []).append(vendor_name)
                            ratelist.setdefault(
                                desNum, []).append(venValue)
                            if vendor_name and venValue in desNum:
                                print 'STUFF'
                            else:
                                ratelist.setdefault(
                                    desNum, []).append(vendor_name)
                            ratelist.setdefault(
                                desNum, []).append(venValue)


                                    # print ('====================')
                            # print (venNum)
                            # print (desNum)
                            # print (venValue)
                            # print "Works well5"
                            # print ('====================')

                        else:
                            # thewriter.writerow({'Destinations': [desNum], 'Vendors': [
                            #                    vendor_name], 'Rates': [venValue]})
                            pass

                # thewriter.writerow(
                #     {'Destinations':desNum, 'Vendors':vendor_name, 'Rates':venValue})
                    # csvfile.close()


                    csvfile = open('csvfile.csv','w')
                    headers = ['Destinations', 'Vendors', 'Rates']

                    thewriter = csv.DictWriter(csvfile, fieldnames=headers)
                    thewriter.writeheader()
                    thewriter.writerow({'Destinations':venNum, 'Vendors':[vendor_name], 'Rates':[venValue] })



    print ( ratelist )

    return render (request, template, {"ratelist": ratelist, "emailadd": emailadd } )

Answer 1

在您的Command中，将命令实例本身传递给函数。

/users/$(request.auth.uid)

但是您的LCR（）函数似乎是一个视图，有点像这样，并且期望最后一个render语句有一个request实例（HttpRequest）。我猜这就是为什么您会收到此错误。

   if (sapply(df[,col],is.factor)) {

据我所知，由于请求实例未对LCR逻辑使用任何内容，因此应将其从View函数封装到单独的函数中，以便可以从两个位置调用它。

例如：
在您的> LeastCostRouting \ LCR \ views.py 例如

中定义一个新方法

class Command(BaseCommand):
    help = 'Generates a LCR when executed '

    def handle(self,*args, **kwargs):
        LCR(self) # <<

然后只需在您的LCR方法中调用它即可，

def LCR(request):
    template = "LCR\LCRGen.html"
    # ....
    return render (request, template, {"ratelist": ratelist, "emailadd": emailadd } )

在您的命令方法中，例如：

def get_LCR():

    # take everything from the original method starting:
    emailadd = Email.objects.all()

    # ---
    # the other code
    # till:
    print(ratelist)

    return {"ratelist": ratelist, "emailadd": emailadd }

Django Management Command：“ Command”对象没有属性“ META”

1 个答案: