python3 conversion

bookData.py

@@ -1,5 +1,11 @@
-from urllib2 import urlopen,URLError
+try:
-from json import load,dumps
+        # For Python 3.0 and later
+            from urllib.request import urlopen,URLError
+except ImportError:
+        # Fall back to Python 2's urllib2
+            from urllib2 import urlopen,URLError
+from json import loads,dumps
+import sys
 
 """ Library Book Type Description:
 The book is a dictionary of the form { string : a, ... }
@@ -33,12 +39,12 @@ def openLibrary_isbn(ISBN):
         jsondata = urlopen("http://openlibrary.org/api/books?format=json&jscmd=data&bibkeys=ISBN:"+isbn, timeout=3)
     except URLError:
         return {}
-    openBook = load(jsondata)
+    openBook = loads(jsondata.read().decode('utf-8'))
     if "ISBN:"+isbn not in openBook:
         return {'isbn':isbn,'title':'Book not found'}
     openBook = openBook["ISBN:"+isbn]
     # create my custom dict for books with the info we want.
-    book = {"isbn" : isbn}
+    book = dict({"isbn" : isbn})
     book["title"]=openBook["title"]
     book["authors"]=""
     if "authors" in openBook:

browser.py

@@ -7,7 +7,7 @@ class browserWindow:
     hl=0
     topline = 0
     entries = []
-    selected = []
+    selected = list()
     commands = [(' /', 'search'), (' n', 'find next'), (' N', 'find previous'), (' q', 'quit')]
     cs = []
     # column definitions are in (label, weight, specified width) triples
@@ -26,13 +26,13 @@ class browserWindow:
 
     def sortByColumn(self, col):
         self.entries.sort(key=lambda k: k.get(col)) # key=dict.get(col))
-        self.selected = map(lambda x: False, self.selected)
+        self.selected = list(map(lambda x: False, self.selected))
 
     def updateGeometry(self):
         (self.my,self.mx)=self.w.getmaxyx()
         (y,x) = self.w.getbegyx()
-        self.cx = x + self.mx/2
+        self.cx = x + self.mx//2
-        self.cy = y + self.my/2
+        self.cy = y + self.my//2
         self.pageSize = self.my-4
         self.calcColWidths()
 
@@ -50,7 +50,7 @@ class browserWindow:
             if value!=None:
                 cols.append((label,value))
             else:
-                cols.append((label,available_space*weight/total_weights))
+                cols.append((label,available_space*weight//total_weights))
         self.columns=cols
 
     def refresh(self):
@@ -69,7 +69,7 @@ class browserWindow:
 
     def centreChild(self,child):
         (y,x)=child.getmaxyx()
-        child.mvwin(self.cy-y/2,self.cx-x/2)
+        child.mvwin(self.cy-y//2,self.cx-x//2)
 
 
     def displayHeader(self):
@@ -84,6 +84,7 @@ class browserWindow:
             entry = self.entries[self.topline+row]
             cursor = 2
             self.w.addnstr(row+3, 1, " "*self.mx,self.mx-2)
+            sys.stderr.write(str(type(self.selected)))
             if self.selected[self.topline+row]:
                 self.w.addstr(row+3, 1, "*")
             else:
@@ -187,11 +188,11 @@ class browserWindow:
     def handleInput(self,ch):
         if ch == curses.KEY_UP or ch == 107 or ch == 16:
             if self.hl == self.topline:
-                self.scroll(-self.pageSize/2-1)
+                self.scroll(-self.pageSize//2-1)
             self.mvHighlight(-1)
         elif ch == curses.KEY_DOWN or ch == 106 or ch == 14:
             if self.hl == self.topline+self.pageSize-1:
-                self.scroll(+self.pageSize/2+1)
+                self.scroll(+self.pageSize//2+1)
             self.mvHighlight(+1)
         elif ch == curses.KEY_PPAGE:
             self.scroll(-self.pageSize)
@@ -276,7 +277,7 @@ class trashBrowser(browserWindow):
 
     def refreshBooks(self):
         self.entries = db.getRemovedBooks()
-        self.selected = map(lambda x:False, self.entries)
+        self.selected = list(map(lambda x:False, self.entries))
 
     def handleInput(self,ch):
         browserWindow.handleInput(self,ch)
@@ -356,11 +357,11 @@ class bookBrowser(browserWindow):
 
     def refreshBooks(self):
         self.entries = db.getBooks()
-        self.selected = map(lambda x:False, self.entries)
+        self.selected = list(map(lambda x:False, self.entries))
 
     def refreshBooksInCategory(self,cat):
         self.entries = db.getBooksByCategory(cat)
-        self.selected = map(lambda x:False, self.entries)
+        self.selected = list(map(lambda x:False, self.entries))
 
     def handleInput(self,ch):
         browserWindow.handleInput(self,ch)
@@ -397,7 +398,7 @@ class categoryBrowser(browserWindow):
     def refreshCategories(self):
         self.entries = db.getCategories()
         self.sortByColumn('category')
-        self.selected = map(lambda x:False, self.entries)
+        self.selected = list(map(lambda x:False, self.entries))
 
     def addCategory(self):
         w = curses.newwin(1,1,10,10)
@@ -457,7 +458,7 @@ class categorySelector(browserWindow):
         self.refreshSelected()
 
     def refreshSelected(self):
-        self.original = map(lambda x:False, self.entries)
+        self.original = list(map(lambda x:False, self.entries))
         cats = db.getBookCategories(self.book)
         cats.sort()
         cats.sort(key=lambda k: k.get('category')) # key=dict.get(col))

form.py

@@ -1,4 +1,5 @@
 import curses
+import sys
 
 class formWindow:
     mx = my = 0
@@ -52,7 +53,7 @@ class formWindow:
         self.hb.refresh()
         self.updateGeometry()
         self.w.box()
-        self.w.addstr(0,(self.mx-len(self.caption))/2,self.caption)
+        self.w.addstr(0,(self.mx-len(self.caption))//2,self.caption)
         r=self.top
         for l in self.labels:
             c = self.left-len(l)-2
@@ -105,7 +106,8 @@ class formWindow:
 
     def insert(self,ch):
         c = self.cursor
-        self.entries[self.hl]=self.entries[self.hl][:c] +ch+  self.entries[self.hl][c:]
+        #sys.stderr.write(str(type(ch)))
+        self.entries[self.hl]=self.entries[self.hl][:c] +ch.decode('utf-8')+  self.entries[self.hl][c:]
         self.drawRow(self.hl)
         self.mvCursor(+1)
         self.highlight()

helpBar.py

@@ -14,8 +14,8 @@ class helpBar:
     def updateGeometry(self):
         (self.my, self.mx) = self.w.getmaxyx()
         (self.y, self.x) = self.w.getbegyx()
-        self.numCols = self.mx/self.colWidth
+        self.numCols = self.mx//self.colWidth
-        numRows = len(self.commands)/self.numCols +1
+        numRows = len(self.commands)//self.numCols +1
         self.y += self.my - numRows
         self.my = numRows
         self.w.mvwin(0,0)

librarian.py

@@ -1,9 +1,9 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import curses
 import dbLayer as db
 import browser
-import form
+import form as form
 import helpBar
 
 import bookData
@@ -24,7 +24,7 @@ def menutest(s, l):
     hb = helpBar.helpBar(bar)
     hb.command=menu_commands
     hb.refresh()
-    w = curses.newwin(10,40,(rows-10)/2, (cols-40)/2)
+    w = curses.newwin(10,40,(rows-10)//2, (cols-40)//2)
 
     menu(w, l)
     
@@ -84,7 +84,7 @@ def addForm():
     (my,mx)=stdscr.getmaxyx()
     bf = form.bookForm(w,hb)
     (r,c)=w.getmaxyx()
-    w.mvwin((my-r)/2,(mx-c)/2)
+    w.mvwin((my-r)//2,(mx-c)//2)
     bf.lookup_isbn=bookData.openLibrary_isbn
     bf.lookup_lccn=bookData.openLibrary_lccn
     bf.caption='Add a Book'
@@ -101,7 +101,7 @@ def updateMenu():
 
 def trashMenu():
     (my,mx)=stdscr.getmaxyx()
-    w=curses.newwin(20,80,(my-20)/2,(mx-80)/2)
+    w=curses.newwin(20,80,(my-20)//2,(mx-80)//2)
     b = browser.trashBrowser(w,hb)
     b.refreshBooks()
     b.eventLoop()
@@ -109,7 +109,7 @@ def trashMenu():
 
 def browseMenu():
     (my,mx)=stdscr.getmaxyx()
-    w=curses.newwin(20,80,(my-20)/2,(mx-80)/2)
+    w=curses.newwin(20,80,(my-20)//2,(mx-80)//2)
     b = browser.bookBrowser(w,hb)
     b.refreshBooks()
     b.eventLoop()
@@ -117,7 +117,7 @@ def browseMenu():
 
 def catMenu():
     (my,mx)=stdscr.getmaxyx()
-    w=curses.newwin(10,40,(my-10)/2,(mx-40)/2)
+    w=curses.newwin(10,40,(my-10)//2,(mx-40)//2)
     c = browser.categoryBrowser(w,hb)
     c.refreshCategories()
     c.sortByColumn('category')