Make more lint compliant

diff --git a/curses_crossword.py b/curses_crossword.py
old mode 100644 (file)
new mode 100755 (executable)
index 662fa17..123c3ee
--- a/curses_crossword.py
+++ b/curses_crossword.py
@@ -1,4 +1,8 @@
 #!/usr/bin/python
+"""
+Play a crossword puzzle in a curses grid. Takes a command line argument of the
+crossword puzzle file.
+"""
 
 import curses
 import curses.ascii
@@ -26,7 +30,7 @@ try:
         "8": unichr(8312).encode(code),
         "9": unichr(8313).encode(code),
     }
-except:
+except UnicodeError, e:
     for number in range(0, 10):
         superscript_numbers[str(number)] = str(number)
 
@@ -56,6 +60,11 @@ else:
     sys.exit(0)
 
 def parsecrossword(crossworddata):
+    """
+    Read the content of a crossword file in to memory and rejig it in to the 3
+    seperate sections that we expect - namely the grid, the across clues and
+    the down clues.
+    """
     ingrid = False
     inacross = False
     indown = False
@@ -151,10 +160,9 @@ def crossword(stdscr, crossworddata):
     cury += 1
     curgridy = 0
     for line in crossword["grid"]:
-        datastr = ""
         curx = 0
         curgridx = 0
-        for c in line:
+        for curch in line:
             stdscr.addch(cury, curx, curses.ACS_VLINE)
             if curx > 0:
                 stdscr.addch(cury+1, curx, curses.ACS_PLUS)
@@ -164,7 +172,7 @@ def crossword(stdscr, crossworddata):
             stdscr.addch(cury+1, curx + 2, curses.ACS_HLINE)
             stdscr.addch(cury+1, curx + 3, curses.ACS_HLINE)
             curx += 1
-            if c == "x":
+            if curch == "x":
                 stdscr.addch(cury, curx, curses.ACS_BLOCK)
                 stdscr.addch(cury, curx+1, curses.ACS_BLOCK)
                 stdscr.addch(cury, curx+2, curses.ACS_BLOCK)
@@ -225,10 +233,10 @@ def crossword(stdscr, crossworddata):
     stdscr.move(cury, curx)
 
     while 1:
-        c = stdscr.getch()
-        if c == curses.ascii.ESC:
+        inch = stdscr.getch()
+        if inch == curses.ascii.ESC:
             break
-        if c == curses.KEY_RIGHT:
+        if inch == curses.KEY_RIGHT:
             if gridx < (len(crossword["grid"][0]) - 1):
                 gridx += 1
                 curx += 4
@@ -240,7 +248,7 @@ def crossword(stdscr, crossworddata):
                     gridx -= 1
                     curx -= 4
                 stdscr.move(cury, curx)
-        if c == curses.KEY_LEFT:
+        if inch == curses.KEY_LEFT:
             if gridx > 0:
                 curx -= 4
                 gridx -= 1
@@ -252,7 +260,7 @@ def crossword(stdscr, crossworddata):
                     gridx += 1
                     curx += 4
                 stdscr.move(cury, curx)
-        if c == curses.KEY_UP:
+        if inch == curses.KEY_UP:
             if gridy > 0:
                 gridy -= 1
                 cury -= 2
@@ -264,7 +272,7 @@ def crossword(stdscr, crossworddata):
                     gridy += 1
                     cury += 2
                 stdscr.move(cury, curx)
-        if c == curses.KEY_DOWN:
+        if inch == curses.KEY_DOWN:
             if gridy < (len(crossword["grid"]) - 1):
                 gridy += 1
                 cury += 2
@@ -276,10 +284,10 @@ def crossword(stdscr, crossworddata):
                     gridy -= 1
                     cury -= 2
                 stdscr.move(cury, curx)
-        if curses.ascii.isalpha(c) or c == ord(" "):
-            stdscr.addch(cury, curx, c)
+        if curses.ascii.isalpha(inch) or inch == ord(" "):
+            stdscr.addch(cury, curx, inch)
             stdscr.move(cury, curx)
-        if c == curses.KEY_BACKSPACE or c == curses.KEY_DC:
+        if inch == curses.KEY_BACKSPACE or inch == curses.KEY_DC:
             stdscr.addch(cury, curx, ord(" "))
             stdscr.move(cury, curx)