在我的views.py我导入并调用外部Python脚本，因此：
import reval2
reval2.main(user)
这是reval2.py。对不起，代码很长：
# -*- coding: utf-8 -*-
import xlrd
import xlwt
import itertools
import os
import sqlite3
import numpy as np
import bond_cf
import bond_cf2
import datetime
import interest_calc
import csv
print "begin"
def obj_arr_xl(wb,i):
sh=wb.sheet_by_index(i)
nested_list=[sh.row_values(i) for i in range(sh.nrows)]
return np.array(nested_list,dtype=object)
def get_wb(fname):
if not fname.endswith('.xls'):
fname = fname + '.xls'
if not os.path.exists(fname):
pass # Ath. commentað af Gumma --- print "file %s not found " % fname
return xlrd.open_workbook(fname)
def get_excel_data(infile):
local_filename = infile
wb=get_wb(local_filename)
paym=obj_arr_xl(wb,0)
data_paym=paym[1:]
data_paym = data_paym.tolist()
for x in data_paym:
x[0]=str(x[0])
x[1]=float(x[1])
x[1]=round(x[1],2)
x[2]=float(x[2])
x[2]=round(x[2],2)
# year, month, day, hour, minute, second = xlrd.xldate_as_tuple(x[3],wb.datemode)
# x[3]=datetime.date(year,month,day)
return np.array(data_paym,dtype=object)
def write_xls_table(file_name, wbook,data,sheet_name,headings):
date_format = xlwt.XFStyle()
date_format.num_format_str='YYYY-MM-DD'
r0=0
c0=0
book = wbook
sheet = book.add_sheet(sheet_name)
rowx = 0
for colx, value in enumerate(headings):
sheet.write(rowx+r0, colx+c0, value)
sheet.set_panes_frozen(True) # frozen headings instead of split panes
sheet.set_horz_split_pos(rowx+1+r0) # in general, freeze after last heading row
sheet.set_remove_splits(True) # if user does unfreeze, don't leave a split there
for row in data:
rowx += 1
for colx, value in enumerate(row):
if isinstance(value,datetime.date):
sheet.write(rowx+r0, colx+c0, value,date_format)
else:
sheet.write(rowx+r0, colx+c0, value)
book.save(file_name)
def write_grf(grf,ofile,val_date):
tot = []
tot_agg = []
sheets = []
wb2 = xlwt.Workbook(encoding='utf-8')
for bond in grf:
tot = tot + bond[1]
i=0
while bond[1][i][0] <= val_date:
i = i+1
sheet_name = bond[0]
j=1
while sheet_name in sheets and j<10:
j=j+1
sheet_name = bond[0] + '(' + str(j) + ')'
sheets.append(sheet_name)
write_xls_table(ofile,wb2,bond[1][i:],sheet_name,["Dagsetning","Höfuðstóll","Vextir"])
tot.sort(key = lambda entry: entry[0])
tot_agg.append(tot[0])
j=0
for i in xrange(1,len(tot)):
if tot[i][0] == tot[i-1][0]:
tot_agg[j][1] = tot_agg[j][1] + tot[i][1]
else:
j=j+1
tot_agg.append(tot[i])
i=0
while tot_agg[i][0] <= val_date:
i = i+1
write_xls_table(ofile,wb2,tot_agg[i:],"Samtals",["Dagsetning","Höfuðstóll","Vextir"])
def add_inflation(sch,val_date,nom): #BG 2014_07_01
#def add_inflation(sch,val_date):
infl = np.zeros(150)
infl_sch = []
try:
with open(nom,'r') as f:
csvr=csv.reader(f,delimiter=";")
for line in csvr:
yr,inflation=int(line[0]),float(line[1][0:4].replace(',','.'))
infl[yr-1] = inflation
except IOError as err:
pass # print 'File error: '+str(err) ATH. Commentað af Gumma
for row in sch:
time_to_paym = row[0] - val_date
row[1] = row[1]*infl[time_to_paym.days/365]**(time_to_paym.days/365.0)
infl_sch.append(row)
return infl_sch
#def reval(infile,price_i,lsk_i, val_date = datetime.date.today(), arion = False,i=3.5,yc=False):
def reval(infile,price_i,lsk_i, val_date = datetime.date.today(), arion = False,i=3.5,yc=False,nom=False): #BG 2014_07_01
bonds = get_excel_data(infile)
rev_bonds = []
grf = []
conn = sqlite3.connect("/srv/www/tbg/database/bonds.db", detect_types=sqlite3.PARSE_DECLTYPES)
c = conn.cursor()
c.execute('SELECT * FROM types')
for x in bonds:
# Ath - commentað af Gumma print x[0]
c.execute('SELECT * FROM bonds NATURAL JOIN types WHERE bond_id = ?',(x[0],))
bond_id, end_d, intr, base_i, typ, start_d, first_id, first_pd, calc, ind, paypy, loan_type, adj_intr_date = c.fetchone()
if calc == '1/1':
calc = interest_calc.fixed_interest_calculator_11(intr)
if calc == 'act/360':
calc = interest_calc.fixed_interest_calculator_act360(intr)
if calc == 'act/act':
calc = interest_calc.fixed_interest_calculator_actact(intr)
if calc == '30/360':
calc = interest_calc.fixed_interest_calculator_30360(intr)
if calc == '30E/360':
calc = interest_calc.fixed_interest_calculator_30E360(intr)
if ind != 'ISK':
index = True
else:
index = False
bnd = bond_cf2.bond(bond_id,index,end_d,paypy,calc,val_date,start_d,first_id,first_pd,i,arion,yc)
# Ath. commentað af Gumma --- print bnd.d_factor
if ind == 'CPI':
nominal = x[1]*price_i/base_i
else:
if ind == 'LSK':
nominal = x[1]*lsk_i/base_i
else:
nominal = x[1]
if adj_intr_date == False:
bnd.set_dates()
else:
bnd.set_adj_dates()
if loan_type == 'annuity':
sch = bnd.annuity(nominal)
if loan_type == 'standard':
sch = bnd.standard(nominal)
if loan_type == 'ibh':
sch = bnd.ibh(nominal,intr)
if loan_type == 'combo':
c.execute('SELECT * FROM combos WHERE type = ?',(typ,))
typ, f_prop, f_start, f_end, b_prop, b_start, b_end, a_prop, a_start, a_end = c.fetchone()
sch = bnd.combo(f_prop,f_start,f_end,b_prop,b_start,b_end,a_prop,a_start,a_end,nominal)
# Ath. commentað af Gumma ---- print bnd.d_factor,bnd.freq,sch
pv, pv_sch = bnd.present_value(sch)
# Ath. commentað af Gumma ---- print pv_sch
if ind != 'ISK' and ind != 'CPI' and ind != 'LSK':
c.execute('SELECT * FROM fx_rates WHERE type = ?',(ind,))
typ, rate = c.fetchone()
pv = pv*rate
for row in pv_sch:
row[1] = row[1]*rate
row[2] = row[2]*rate
reval = pv - x[2]
y = [x[0],x[1],x[2],reval]
rev_bonds.append(y)
if nom: #BG 2014_07_01
if ind == 'CPI' or ind == 'LSK':
# sch = add_inflation(sch,val_date,nom)
sch = add_inflation(sch,val_date,nom) #BG 2014_07_01
grf.append([x[0],sch])
print "reval"
return rev_bonds, grf
# BG 2014_07_01
def main(user):
os.chdir('/srv/www/tbg/file/' + user + '/')
f = open('reval2_log.txt', 'r')
input_dict = {}
read = f.readlines()[0].split(";")
for line in read:
if len(line.split(" ")) > 2:
list = line.split(" ")
input_dict[line.split(" ")[0]] = datetime.date(int(list[1]), int(list[2]), int(list[3]))
else:
input_dict[line.split(" ")[0]] = line.split(" ")[1]
if input_dict.has_key('yield_curve'):
yield_curve = True
else:
yield_curve = False
ASSETS_filn = input_dict['ASSETS_filn']
DATE_val = input_dict['DATE_val']
CPI_value = float(input_dict['CPI_value'])
LSK_value = float(input_dict['LSK_value'])
if input_dict['INFL_filn'] == 'Verdbolga':
INFL_filn = False
else:
INFL_filn = input_dict['INFL_filn']
if yield_curve:
YIELDC_filn = input_dict['YIELDC_filn']
else:
YIELDC_filn = False
REVAL_filn = '/srv/www/tbg/file/' + input_dict['user'] + '/' + input_dict['REVAL_filn']
#if '.xls' not in REVAL_filn[-4:-1]:
# REVAL_filn += '.xls'
CASHF_filn = '/srv/www/tbg/file/' + input_dict['user'] + '/' + input_dict['CASHF_filn']
#if '.xls' not in CASHF_filn[-4:-1]:
# CASHF_filn += '.xls'
if input_dict.has_key('arion'):
arion = True
else:
arion = False
wbook = xlwt.Workbook()
revbnd, grf = reval(ASSETS_filn, CPI_value, LSK_value, DATE_val,arion,3.5,YIELDC_filn,INFL_filn)
write_xls_table(REVAL_filn,wbook,revbnd,"endurmat",["Skuldabref","Nafnverd","Bokfaert verd","Endurmat"])
write_grf(grf,CASHF_filn,DATE_val)
print "end"
if __name__ == '__main__' :
main()
完整追踪：
Environment:
Request Method: POST
Request URL: http://tbg/reval2/reikna/
Django Version: 1.6.5
Python Version: 2.6.5
Installed Applications:
('django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.sites',
'django.contrib.messages',
'django.contrib.staticfiles',
'django.contrib.admin',
'django.contrib.admindocs',
'reval2',
'bjorncsv',
'south',
'index',
'funds',
'verkefni')
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 "/usr/local/lib/python2.6/dist-packages/django/core/handlers/base.py" in get_response
112. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/usr/local/lib/python2.6/dist-packages/django/contrib/auth/decorators.py" in _wrapped_view
22. return view_func(request, *args, **kwargs)
File "/srv/www/tbg/reval2/views.py" in reikna_reval2
63. reval2.main(user)
Exception Type: AttributeError at /reval2/reikna/
Exception Value: 'module' object has no attribute 'main'
dir（reval2）的输出：
__builtins__
__doc__
__file__
__name__
__pakcage__
__path__
admin
forms
models
urls
views
答案 0 :(得分：2)
你的名字有冲突。
包含Django代码的目录也称为reval2。由于该目录位于Python路径上，并且包含__init__.py，因此它是一个有效的Python包，因此在您import reval2时导入。
您必须重命名目录或脚本。