all commands work on SheetObject now according to test

tox.ini

@@ -3,6 +3,7 @@ envlist=py33,py34,py35
 
 [testenv]
 commands = {envpython} setup.py test
+deps = python-dateutil
 
 [testenv:py33]
 basepython = python3.3

visidata/Column.py

@@ -1,4 +1,4 @@
-from . import anytype, vd, options, WrongTypeStr, CalcErrorStr
+from . import anytype, vd, options, WrongTypeStr, CalcErrorStr, error
 
 class Column:
     def __init__(self, name, type=anytype, func=lambda r: r, width=None):
@@ -88,6 +88,18 @@ def __init__(self, attrname, valtype):
         super().__init__(attrname, type=valtype, func=lambda_getattr(attrname))
 
 
+class ColumnSourceAttr(Column):
+    'row is an attrname; this column getattr and setattr on the sheet source'
+    def __init__(self, name, source):
+        valfunc = lambda r,obj=source: getattr(obj, r)
+        valfunc.setter = lambda r,v,obj=source: setattr(obj, r, v)
+        super().__init__(name, func=valfunc)
+
+
+class ColumnItem(Column):
+    def __init__(self, attrname, itemkey, **kwargs):
+        super().__init__(attrname, func=lambda_getitem(itemkey), **kwargs)
+
 ### common column setups and helpers
 def setter(r, k, v):  # needed for use in lambda
     r[k] = v
@@ -97,7 +109,7 @@ def lambda_colname(colname):
     func.setter = lambda r,v,b=colname: setter(r,b,v)
     return func
 
-def lambda_col(b):
+def lambda_getitem(b):
     func = lambda r,b=b: r[b]
     func.setter = lambda r,v,b=b: setter(r,b,v)
     return func
@@ -156,11 +168,11 @@ def PyobjColumns(exampleRow):
 
 def ArrayColumns(n):
     'columns that display r[0]..r[n]'
-    return [Column('', anytype, lambda_col(colnum)) for colnum in range(n)]
+    return [Column('', anytype, lambda_getitem(colnum)) for colnum in range(n)]
 
 def ArrayNamedColumns(columns):
     'columns is a list of column names, mapping to r[0]..r[n]'
-    return [Column(colname, anytype, lambda_col(i)) for i, colname in enumerate(columns)]
+    return [Column(colname, anytype, lambda_getitem(i)) for i, colname in enumerate(columns)]
 
 def AttrColumns(colnames):
     'colnames is list of attribute names'

visidata/Sheet.py

@@ -1,8 +1,9 @@
 import collections
 import functools
+import re
 
 import visidata
-from . import colors, options, date, anytype, WrongTypeStr, CalcErrorStr, vd
+from . import colors, options, status, error, date, anytype, WrongTypeStr, CalcErrorStr, vd, moveListItem
 from .tui import draw_clip
 from .Column import Column
 
@@ -11,6 +12,7 @@
 class Sheet:
     def __init__(self, name, src=None):
         self.name = name
+        self.filetype = None
         self.source = src
         self.rows = []
         self.cursorRowIndex = 0  # absolute index of cursor into self.rows
@@ -339,7 +341,7 @@ def drawColHeader(self, vcolidx):
         if len(N) > colwidth-1:
             N = N[:colwidth-len(options.ch_Ellipsis)] + options.ch_Ellipsis
         self.clipdraw(0, x, N, hdrattr, colwidth)
-        self.clipdraw(0, x+colwidth-1, T, hdrattr, 1)
+        self.clipdraw(0, x+colwidth-len(T), T, hdrattr, len(T))
 
         if vcolidx == self.leftVisibleColIndex and vcolidx > self.nKeys:
             A = options.ch_LeftMore
@@ -393,9 +395,9 @@ def draw(self, scr):
                     self.clipdraw(y, x, options.ch_ColumnFiller + cellval, attr, colwidth)
 
                     if isinstance(cellval, CalcErrorStr):
-                        self.clipdraw(y, x+colwidth-1, options.ch_Error, colors[options.c_Error])
+                        self.clipdraw(y, x+colwidth-len(options.ch_Error), options.ch_Error, colors[options.c_Error], len(options.ch_Error))
                     elif isinstance(cellval, WrongTypeStr):
-                        self.clipdraw(y, x+colwidth-1, options.ch_WrongType, colors[options.c_WrongType])
+                        self.clipdraw(y, x+colwidth-len(options.ch_WrongType), options.ch_WrongType, colors[options.c_WrongType], len(options.ch_WrongType))
 
                     if x+colwidth+len(sepchars) <= self.windowWidth:
                        self.scr.addstr(y, x+colwidth, sepchars, attr or colors[options.c_ColumnSep])