from grafity.signals import HasSignals
from grafity.actions import action_from_methods, action_from_methods2, StopAction, action_list
from grafity.project import Item, wrap_attribute, register_class, create_id
class Script(Item, HasSignals):
def __init__(self, project, name=None, parent=None, location=None):
Item.__init__(self, project, name, parent, location)
default_name_prefix = 'script'
text = wrap_attribute('text')
def run(self):
code = compile(self.text, self.fullname, 'exec')
exec code
register_class(Script, 'scripts[name:S,id:S,parent:S,text:S]')
def __iter__(self):
for column in self.columns:
yield column
def suggest_column_name(self):
def num_to_alpha(n):
alphabet = 'abcdefghijklmnopqrstuvwxyz'
name = ''
n, ypol = n//len(alphabet), n%len(alphabet)
if n == 0:
return alphabet[ypol]
name = num_to_alpha(n) + alphabet[ypol]
return name
i = 0
while num_to_alpha(i) in self.column_names:
i+=1
return num_to_alpha(i)
def export_ascii(self, f):
for row in xrange(self.nrows):
for col in xrange(self.ncolumns):
f.write(str(self.columns[col][row]))
f.write('\t')
f.write('\n')
default_name_prefix = 'sheet'
register_class(Worksheet, 'worksheets[name:S,id:S,parent:S,columns[name:S,id:S,data:B,expr:S]]')
f1 = a*x1 + c
f2 = a*x2 + c
if log:
f1, f2 = 10.**f1, 10.**f2
return min(f1, f2), max(f1, f2)
_xtype = wrap_attribute('xtype')
_ytype = wrap_attribute('ytype')
_xtitle = wrap_attribute('xtitle')
_ytitle = wrap_attribute('ytitle')
_zoom = wrap_attribute('zoom')
desc="""
graphs [
name:S, id:S, parent:S, zoom:S,
xtype:S, ytype:S, xtitle:S, ytitle:S,
datasets [
id:S, worksheet:S, x:S, y:S,
symbol:S, fill:S, color:I, size:I, linetype:S, linestyle:S, linewidth:I,
xfrom:D, xto:D
],
functions [
id:S, func:S, name:S,
params:S, lock:S, limit:S, use:I
],
lines [ id:S, position:S ],
text [ id:S, x:D, y:D, text:S ]
]
"""
register_class(Graph, desc)