I am working on a little programme that will serve as a chemistry calculator or sth like that, and I’ve run into some trouble along the way…
In the main file, I’m trying to import class Aplikacija from file grafika.py, but it doesn’t seem to be working no matter how hard I try – I get the AttributeError: ‘module’ object has no attribute ‘Aplikacija’.
It might be this is a beginner’s problem, but I’ve been staring at the screen for a couple of hours and I have no clue as to what might be wrong. I’d be really grateful if you could help me out 🙂
P.S: please don’t mind the variable’s names as my native language isn’t English…
The (shortened) code of the main file:
import grafika
from Tkinter import *
root = Tk()
root.title('ChemHelp v0.1')
root.minsize(360, 240)
#root.iconbitmap('mojaikona.ico')
p = grafika.Aplikacija(root)
root.mainloop()
And this is the whole grafika.py file (it’s quite long…)
from Tkinter import *
import webbrowser
class Aplikacija():
def __init__(self, master):
#meni
self.meni = Menu(master)
master.config(menu=self.meni)
self.meni.add_command(label="Periodni sistem", command=self.ps_okno)
self.help_meni = Menu(self.meni)
self.meni.add_cascade(label="Pomoč", menu=self.help_meni)
self.help_meni.add_command(label="PDF", command=self.open_pdf)
self.help_meni.add_command(label="Spletna dokumentacija", command=self.open_web)
self.meni.add_command(label="O programu", command=self.open_about)
self.meni.add_command(label="Zahvale", command=self.open_thanks)
self.meni.add_command(label="Zapri", command=quit)
#glavno okno
body = Frame(root, width=360, height=240)
body.pack()
#izracun molske mase
self.okno_masa = LabelFrame(body, text="Molska masa", padx=5, pady=5)
self.okno_masa.grid(padx=10, pady=10)
self.prompt1 = Label(self.okno_masa, text="Formula spojine: ")
self.prompt1.grid(row=0, sticky=W)
self.formula1 = Entry(self.okno_masa)
self.formula1.grid(row=0, column=1)
self.send1 = Button(self.okno_masa, text="Pošlji", command=lambda: self.gfx_molska_masa(self.okno_masa))
self.send1.grid(row=1, columnspan=2)
#izracun mnozine
self.okno_mn = LabelFrame(body, text="Množina", padx=5, pady=5)
self.okno_mn.grid(padx=10, pady=10)
self.prompt2 = Label(self.okno_mn, text="Formula spojine: ")
self.prompt2.grid(row=4, sticky=W)
self.formula2 = Entry(self.okno_mn)
self.formula2.grid(row=4, column=1)
self.prompt3 = Label(self.okno_mn, text="Masa spojine: ")
self.prompt3.grid(row=5, sticky=W)
self.masa = Entry(self.okno_mn)
self.masa.grid(row=5, column=1)
self.send2 = Button(self.okno_mn, text="Pošlji", command=lambda: self.gfx_mnozina(self.okno_mn))
self.send2.grid(row=6, columnspan=2)
#funkcije
def ps_okno(self):
self.ps = Toplevel()
self.ps.title("Periodni sistem")
self.ps.minsize(480, 180)
self.tekst = Label(self.ps, text="Tukaj bo periodni...")
self.tekst.grid()
self.zapri = Button(self.ps, text="Zapri", command=self.ps.destroy)
self.zapri.grid()
print("Okno odprto :P")
def open_pdf(self):
print("PDF odprt ;)")
def open_web(self):
self.url = 'http://test.org'
webbrowser.open_new(self.url)
print("Splet prečekiran :D")
def open_about(self):
self.o = Toplevel()
self.o.title("O programu")
self.o.minsize(300, 300)
self.about = LabelFrame(self.o, text="O programu", padx=5, pady=5)
self.about.grid(padx=10, pady=10)
self.slika = PhotoImage(file="about_slika.gif")
self.photo = Label(self.about, image=self.slika)
self.photo.slika=self.slika
self.photo.grid(row=0, columnspan=2)
self.avtor = Label(self.about, text="Avtor: ")
self.avtor.grid(row=1, sticky=W)
self.avtor2 = Label(self.about, text="Jane Doe")
self.avtor2.grid(row=1, column=1)
self.verzija = Label(self.about, text="Verzija programa: ")
self.verzija.grid(row=2, sticky=W)
self.verzija2 = Label(self.about, text="1.0")
self.verzija2.grid(row=2, column=1)
self.jezik = Label(self.about, text="Pisano v programskem jeziku Python. © 2013")
self.jezik.grid(row=3, columnspan=2)
self.zapri = Button(self.about, text="Zapri", command=self.o.destroy)
self.zapri.grid(row=4, columnspan=2)
print("Kdo bo to sploh bral? :O")
def open_thanks(self):
self.h = Toplevel()
self.h.title("Zahvale")
self.h.minsize(200, 200)
self.zahvale = LabelFrame(self.h, text="Zahvale", width=100, padx=5, pady=5)
self.zahvale.grid(padx=10, pady=10)
self.z_vsebina = Label(self.zahvale, text="Rada bi se zahvalila bla bla... in tle pol ful teksta al neki...")
self.z_vsebina.grid()
self.mentor = LabelFrame(self.h, text="Mentor", width=100, padx=5, pady=5)
self.mentor.grid(padx=10, pady=10)
self.m_vsebina = Label(self.mentor, text="John Does, prof.")
self.m_vsebina.grid()
self.viri = LabelFrame(self.h, text="Viri", width=100, padx=5, pady=5)
self.viri.grid(padx=10, pady=10)
self.v_vsebina = Label(self.viri, text="http://test.org \nhttp://www.test.com")
self.v_vsebina.grid()
self.zapri = Button(self.h, text="Zapri", command=self.h.destroy)
self.zapri.grid()
print("Tale stvar je lame -.-")
def gfx_molska_masa(self, frame):
self.rezultat = Entry(frame)
self.rezultat.config(width="9")
self.rezultat.grid(row=3)
self.molska_masa = "187"
self.rezultat.insert(0, self.molska_masa)
self.enota = Label(frame, text="g/mol")
self.enota.grid(row=3, column=1, sticky=W)
print("Molska masa je")
def gfx_mnozina(self, frame):
self.rezultat = Entry(frame)
self.rezultat.config(width="8")
self.rezultat.grid(row=7)
self.mnozina = "1.0"
self.rezultat.insert(0, self.mnozina)
self.enota = Label(frame, text="mol")
self.enota.grid(row=7, column=1, sticky=W)
print("Mnozina je")
When I run the code from the main file in the grafika.py file, it works fine, no errors or anything…
If you’ve already imported the file once, another import won’t reload it – modules are cached. You need to
reload(grafika)to pick up your latest changes.