Finished objectifying add/update book form
This commit is contained in:
John Ladan
parent
b3592b4690
commit
1c04e6e7c5
17
bookData.py
17
bookData.py
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@ -27,11 +27,12 @@ Keys:
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# look up data from openlibrary.org using isbn
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def openLibrary(isbn):
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def openLibrary(ISBN):
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isbn = str(ISBN)
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jsondata = urlopen("http://openlibrary.org/api/books?format=json&jscmd=data&bibkeys=ISBN:"+isbn)
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openBook = load(jsondata)
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if "ISBN:"+isbn not in openBook:
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return openBook
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return {'isbn':isbn,'title':'Book not found'}
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openBook = openBook["ISBN:"+isbn]
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# create my custom dict for books with the info we want.
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book = {"isbn" : isbn}
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@ -68,13 +69,5 @@ def openLibrary(isbn):
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book["subtitle"]=openBook["subtitle"]
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return book
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book = openLibrary("9780521714723")
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print dumps(book, indent=2)
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book = openLibrary("9780521565431")
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print dumps(book, indent=2)
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book = openLibrary("689145728392")
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print dumps(book, indent=2)
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book = openLibrary("9780321468932")
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print dumps(book, indent=2)
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book = openLibrary("9781555580414")
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print dumps(book, indent=2)
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book = openLibrary(9780865479104)
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print dumps(book,indent=2)
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292
bookForm.py
292
bookForm.py
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@ -1,24 +1,26 @@
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import curses
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class bookForm:
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mx = my = 0
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hl = 0
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bt = -1
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cursor = 0
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textStart = 0
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left = 0
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top = 2
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row = 2
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caption = "Add a Book"
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blabel = "Add"
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labels = ["ISBN", "LCCN", "Title", "Subtitle", "Authors", "Edition",
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"Publisher", "Publish Date", "Publish Year", "Publish Month", "Publish location",
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"Publishers", "Publish Date", "Publish Year", "Publish Month", "Publish location",
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"Pages", "Pagination", "Weight"]
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entries = []
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# redefineable functions lookup is called when 'enter' is pressed on ISBN
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# and returns the looked-up book. Default returns nothing
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def lookup(self,isbn):
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return {'isbn':isbn}
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def __init__(self,window,book={}):
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self.w = window
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self.w.resize(len(self.labels)+6,50)
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@ -27,9 +29,10 @@ class bookForm:
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def updateGeometry(self):
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(self.my, self.mx) = self.w.getmaxyx()
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self.left=0
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for l in self.labels:
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self.left = max(len(l),self.left)
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self.left += 2
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self.left += 4
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self.width = self.mx-self.left-2
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self.top = 2
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# next, the buttons
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@ -40,7 +43,7 @@ class bookForm:
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self.entries=[]
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for l in self.labels:
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if l.lower() in book:
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self.entries.append(book[l.lower()])
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self.entries.append(str(book[l.lower()]))
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else:
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self.entries.append("")
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@ -49,18 +52,21 @@ class bookForm:
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self.w.box()
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self.w.addstr(0,(self.mx-len(self.caption))/2,self.caption)
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r=self.top
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for l,v in zip(self.labels,self.entries):
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for l in self.labels:
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c = self.left-len(l)-2
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self.w.addstr(r,c,l+":")
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self.w.addnstr(r,self.left,v,self.width)
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self.drawRow(r-self.top)
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r+=1
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self.w.addstr(r+1,self.bcol[0], "<cancel> <"+self.blabel+">")
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self.w.refresh()
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def drawRow(self,row):
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r = self.top + row
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self.w.addnstr(r,self.left, self.entries[row]+" "*self.width, self.width)
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def highlight(self):
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if self.bt == -1:
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self.w.chgat(self.row, self.left, self.width, curses.A_UNDERLINE)
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self.cursor = len(self.entries[self.hl])
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self.w.move(self.row, self.left+self.cursor)
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curses.curs_set(1)
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else:
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@ -82,9 +88,47 @@ class bookForm:
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self.bt = min(self.bt,1)
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self.row+=1
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else:
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self.mvCursor(+len(self.entries[self.hl]))
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self.bt=-1
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self.highlight()
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def mvCursor(self,delta):
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n = self.cursor + delta
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n = max(n,0)
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n = min(n,len(self.entries[self.hl]))
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self.cursor = n
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col = self.left + self.cursor - self.textStart
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if col >= self.left and col < self.left+self.width:
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self.w.move(self.row,col)
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def insert(self,ch):
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c = self.cursor
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self.entries[self.hl]=self.entries[self.hl][:c] +ch+ self.entries[self.hl][c:]
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self.drawRow(self.hl)
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self.highlight()
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self.mvCursor(+1)
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def backspace(self):
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if self.cursor>0:
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self.entries[self.hl]=self.entries[self.hl][:self.cursor-1] + self.entries[self.hl][self.cursor:]
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self.drawRow(self.hl)
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self.highlight()
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self.mvCursor(-1)
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def delete(self):
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c = self.cursor
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self.entries[self.hl]=self.entries[self.hl][:c] + self.entries[self.hl][c+1:]
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self.drawRow(self.hl)
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self.highlight()
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def returnBook():
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book = {}
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for k,v in zip(self.labels, self.entries):
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if v!="" and k.lower()!="publish date":
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book[k.lower()]=v
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return book
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def eventLoop(self):
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self.w.keypad(1)
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self.refresh()
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@ -100,196 +144,44 @@ class bookForm:
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self.mvHighlight(+1)
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elif ch==curses.KEY_NPAGE:
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self.mvHighlight(+len(self.labels))
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elif ch==curses.KEY_LEFT:
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if self.bt==-1:
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self.mvCursor(-1)
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else:
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self.bt=0
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elif ch==curses.KEY_HOME:
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if self.bt==-1:
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self.mvCursor(-len(self.entries[self.hl]))
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elif ch==curses.KEY_RIGHT:
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if self.bt==-1:
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self.mvCursor(+1)
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else:
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self.bt=1
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elif ch==curses.KEY_END:
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if self.bt==-1:
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self.mvCursor(+len(self.entries[self.hl]))
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elif ch>=32 and ch<=126:
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if self.bt==-1:
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self.insert(curses.keyname(ch))
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elif ch==curses.KEY_BACKSPACE:
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if self.bt==-1:
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self.backspace()
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elif ch==curses.KEY_DC:
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if self.bt==-1:
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self.delete()
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elif ch==10 or ch==curses.KEY_ENTER:
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if self.hl==0:
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book = self.lookup(self.entries[0])
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self.updateEntries(book)
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self.refresh()
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elif self.bt==0:
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return {}
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elif self.bt==1:
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return self.returnBook()
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self.mvHighlight(+1)
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self.w.refresh()
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ch = self.w.getch()
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def test(stdscr):
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w = curses.newwin(10,10,10,10)
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bf = bookForm(w)
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bf.eventLoop()
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curses.wrapper(test)
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# items is a list of (label, value) pairs
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def redrawForm(w, caption, items, buttonlabel, m):
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(y,x)=w.getmaxyx()
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w.border()
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curses.curs_set(1)
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w.addstr(1,1,caption)
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r=3
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for l,v in items:
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c = m-len(l)-2
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w.addstr(r,c,l+":")
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w.addstr(r,m,v)
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r+=2
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w.addstr(r,x-len(buttonlabel)-len("<cancel>")-6, "<cancel> <"+buttonlabel+">")
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w.refresh()
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def lists_to_dict(l1, l2):
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book = {}
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for k,v in zip(l1,l2):
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if v!="" and k.lower()!="publish date":
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book[k.lower()]=v
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return book
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#the final form for book data entry - takes caption and book info.
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def bookForm(caption, book, buttonlabel):
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labels = ["ISBN", "LCCN", "Title", "Subtitle", "Authors", "Edition",
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"Publisher", "Publish Date", "Publish Year", "Publish Month", "Publish location",
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"Pages", "Pagination", "Weight"]
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entries = []
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m = 0
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w=curses.newwin(34,70,1,10)
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(y,x)=w.getmaxyx()
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w.keypad(1)
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redrawForm(w,caption,zip(labels,entries),buttonlabel,m)
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bcol = [x-len(buttonlabel)-len("<cancel>")-6, x-len(buttonlabel)-4]
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bwidth = [8,len(buttonlabel)+2]
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highlight=0
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b = -1
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r=3
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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w.move(r,m+len(entries[highlight]))
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cursor = len(entries[highlight])
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ch = w.getch()
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while (1==1):
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if ch==27: #escape key
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curses.curs_set(0)
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w.clear()
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w.refresh()
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return {}
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if ch==curses.KEY_UP:
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if highlight == len(labels):
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w.chgat(r,bcol[b],bwidth[b],curses.A_NORMAL)
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highlight = len(labels)-1
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b = -1
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r=3+2*highlight
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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cursor = len(entries[highlight])
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w.move(r,m+cursor)
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curses.curs_set(1)
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elif highlight!=0:
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w.chgat(r,m,x-m-2,curses.A_NORMAL)
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highlight -= 1
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r=3+2*highlight
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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cursor = len(entries[highlight])
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w.move(r,m+cursor)
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elif ch==curses.KEY_PPAGE:
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w.chgat(r,m,x-m-2,curses.A_NORMAL)
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highlight=0
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b=-1
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r=3+2*highlight
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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cursor = len(entries[highlight])
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w.move(r,m+cursor)
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curses.curs_set(1)
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elif ch==curses.KEY_DOWN:
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if highlight >= len(labels) -1:
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highlight = len(labels)
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b += 1
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b = min(b,1)
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curses.curs_set(0)
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w.chgat(r,m,x-m-2,curses.A_NORMAL)
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r = y-3
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w.chgat(r,bcol[b],bwidth[b],curses.A_REVERSE)
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else:
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w.chgat(r,m,x-m-2,curses.A_NORMAL)
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highlight += 1
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r=3+2*highlight
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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cursor = len(entries[highlight])
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w.move(r,m+cursor)
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elif ch==curses.KEY_NPAGE:
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if highlight!=len(labels):
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highlight = len(labels)
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b += 1
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b = min(b,1)
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curses.curs_set(0)
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w.chgat(r,m,x-m-2,curses.A_NORMAL)
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r = y-3
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w.chgat(r,bcol[b],bwidth[b],curses.A_REVERSE)
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elif ch==curses.KEY_LEFT:
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if highlight == len(labels):
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w.chgat(r,bcol[b],bwidth[b],curses.A_NORMAL)
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b=0
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w.chgat(r,bcol[b],bwidth[b],curses.A_REVERSE)
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else:
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if cursor>0:
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cursor-=1
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w.move(r,m+cursor)
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elif ch==curses.KEY_RIGHT:
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if highlight == len(labels):
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w.chgat(r,bcol[b],bwidth[b],curses.A_NORMAL)
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b=1
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w.chgat(r,bcol[b],bwidth[b],curses.A_REVERSE)
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else:
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if cursor < len(entries[highlight]):
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cursor+=1
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w.move(r,m+cursor)
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elif ch>31 and ch<127:
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if highlight != len(labels):
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entries[highlight]=entries[highlight][:cursor] + curses.keyname(ch) + entries[highlight][cursor:]
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cursor+=1
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w.addnstr(r,m, entries[highlight]+(" "*40), x-m-2)
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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w.move(r,m+cursor)
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elif ch==curses.KEY_BACKSPACE:
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if highlight != len(labels) and cursor!=0:
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cursor-=1
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entries[highlight]=entries[highlight][:cursor] + entries[highlight][cursor+1:]
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w.addnstr(r,m, entries[highlight]+(" "*40), x-m-2)
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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w.move(r,m+cursor)
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elif ch==curses.KEY_DC:
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if highlight != len(labels):
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entries[highlight]=entries[highlight][:cursor] + entries[highlight][cursor+1:]
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w.addnstr(r,m, entries[highlight]+(" "*40), x-m-2)
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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w.move(r,m+cursor)
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elif ch==curses.KEY_HOME:
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if highlight != len(labels):
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cursor=0
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w.move(r,m+cursor)
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elif ch==curses.KEY_END:
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if highlight != len(labels):
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cursor=len(entries[highlight])
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w.move(r,m+cursor)
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elif ch==10:
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if b != -1:
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if b == 0:
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w.clear()
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w.refresh()
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return {}
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elif b == 1:
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w.clear()
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w.refresh()
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return lists_to_dict(labels,entries)
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elif highlight == len(labels)-1:
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highlight = len(labels)
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b=0
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curses.curs_set(0)
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w.chgat(r,m,x-m-2,curses.A_NORMAL)
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r = y-3
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w.chgat(r,bcol[b],bwidth[b],curses.A_REVERSE)
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else:
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w.chgat(r,m,x-m-2,curses.A_NORMAL)
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highlight += 1
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r=3+2*highlight
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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cursor = len(entries[highlight])
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w.move(r,m+cursor)
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w.refresh()
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ch = w.getch()
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curses.curs_set(0)
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w.clear()
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w.refresh()
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return {}
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