/usr/share/pyshared/tryton/common/date_widget.py is in tryton-client 2.2.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#this repository contains the full copyright notices and license terms.
"Date Widget"
import gobject
import pango
import gtk
import re
import time
import datetime
from dateutil.relativedelta import relativedelta
from datetime_strftime import datetime_strftime
mapping = {
'%y': ('__', '([_ 0-9][_ 0-9])'),
'%Y': ('____', '([_ 0-9][_ 0-9][_ 0-9][_ 0-9])'),
'%m': ('__', '([_ 0-9][_ 0-9])'),
'%d': ('__', '([_ 0-9][_ 0-9])'),
'%H': ('__', '([_ 0-9][_ 0-9])'),
'%I': ('__', '([_ 0-9][_ 0-9])'),
'%M': ('__', '([_ 0-9][_ 0-9])'),
'%S': ('__', '([_ 0-9][_ 0-9])'),
'%p': ('__', '([_ AP][_ M])'),
}
class DateEntry(gtk.Entry):
def __init__(self, format, callback=None, callback_process=None):
super(DateEntry, self).__init__()
self.modify_font(pango.FontDescription("monospace"))
self.format = format
self.regex = self.initial_value = format
for key, val in mapping.items():
self.regex = self.regex.replace(key, val[1])
self.initial_value = self.initial_value.replace(key, val[0])
self.regex = re.compile(self.regex)
assert self.regex.match(self.initial_value), \
'Error, the initial value should be validated by regex'
self.set_width_chars(len(self.initial_value))
self.set_max_length(len(self.initial_value))
self.connect('key-press-event', self._on_key_press)
self.connect('insert-text', self._on_insert_text)
self.connect('delete-text', self._on_delete_text)
self.connect('focus-in-event', self._focus_in)
self.connect('focus-out-event', self._focus_out)
self.callback = callback
self.callback_process = callback_process
self._interactive_input = True
self.mode_cmd = False
self.idle_set_position(0)
def idle_set_position(self, value):
def idle_func():
with gtk.gdk.lock:
self.set_position(value)
return False
gobject.idle_add(idle_func)
def _on_insert_text(self, editable, value, length, position):
if not self._interactive_input:
return
if self.mode_cmd:
if self.callback: self.callback(value)
self.stop_emission('insert-text')
return
pos = self.get_position()
text = self.get_text()
if not text:
text = self.initial_value
if text == self.initial_value and pos >= len(self.initial_value):
pos = 0
for char in value:
if pos >= len(self.initial_value):
continue
if char not in ('_', ' ') and char in self.initial_value[pos:]:
pos += self.initial_value[pos:].index(char)
else:
while self.initial_value[pos] not in ('_', ' '):
pos += 1
text = text[:pos] + char + text[pos + 1:]
pos += 1
if self.regex.match(text) and self.test_date(text):
self.set_text(text)
self.idle_set_position(pos)
self.stop_emission('insert-text')
self.show()
return
def _on_delete_text(self, editable, start, end):
if not self._interactive_input:
return
if start > len(self.initial_value):
start = len(self.initial_value)
if start < 0:
start = 0
if end > len(self.initial_value):
end = len(self.initial_value)
if end < 0:
end = 0
while (start > 0) and (self.initial_value[start] not in ['_', ' ','0','X']):
start -= 1
text = self.get_text()
text = text[:start] + self.initial_value[start:end] + text[end:]
self.set_text(text)
self.idle_set_position(start)
self.stop_emission('delete-text')
return
def _focus_in(self, editable, event):
if not self.get_text():
self.set_text(self.initial_value)
def _focus_out(self, editable, event):
if self.mode_cmd:
self.mode_cmd = False
if self.callback_process:
self.callback_process(False, self, event)
if self.get_text() == self.initial_value or not self.date_get():
self.set_text('')
def set_text(self, text):
self._interactive_input = False
try:
gtk.Entry.set_text(self, text)
finally:
self._interactive_input = True
def date_set(self, dt):
if dt:
self.set_text(datetime_strftime(dt, self.format))
else:
if self.is_focus():
self.set_text(self.initial_value)
else:
self.set_text('')
def compute_date(self, text, default=None, year=None):
if default is None:
default = datetime_strftime(datetime.datetime.now(), self.format)
if text == self.initial_value or not text:
return ''
match = self.regex.match(text)
if not match:
return ''
for i in range(len(match.groups())):
val = match.group(i + 1)
n = len(val)
val = val.strip()
val = val.strip('_')
if n != 4:
val = val.lstrip('0')
if not val:
continue
fchar = '0'
if n == 4:
fchar = '_'
if len(val) == 1:
val = '0' + val
if year and n == 4 and len(val) != 4:
val = year
val = (fchar * (n - len(val))) + val
start = match.start(i + 1)
end = match.end(i + 1)
text = text[:start] + val + text[end:]
for a in range(len(self.initial_value)):
if self.initial_value[a] == text[a]:
text = text[:a] + default[a] + text[a+1:]
return text
def test_date(self, text):
default = datetime_strftime(datetime.datetime(2000, 1, 1),
self.format)
try:
time.strptime(self.compute_date(text, default=default, year='2000'),
self.format)
except ValueError:
return False
return True
def date_get(self):
res = None
date = self.compute_date(self.get_text())
try:
res = datetime.datetime(*time.strptime(date, self.format)[:6])
except ValueError:
return None
self.set_text(date)
return res
def delete_text(self, start, end):
self._interactive_input = False
try:
gtk.Entry.delete_text(self, start, end)
finally:
self._interactive_input = True
def insert_text(self, text, position=0):
self._interactive_input = False
try:
gtk.Entry.insert_text(self, text, position)
finally:
self._interactive_input = True
def clear(self):
if self.is_focus():
self.set_text(self.initial_value)
else:
self.set_text('')
def _on_key_press(self, editable, event):
if not self.get_editable():
return False
if event.keyval in (gtk.keysyms.Tab, gtk.keysyms.Escape,
gtk.keysyms.Return, gtk.keysyms.KP_Enter):
if self.mode_cmd:
self.mode_cmd = False
if self.callback_process:
self.callback_process(False, self, event)
self.stop_emission("key-press-event")
return True
else:
if self.get_text() != self.initial_value:
if not self.date_get():
self.stop_emission("key-press-event")
return True
elif event.keyval in (gtk.keysyms.KP_Add, gtk.keysyms.plus,
gtk.keysyms.KP_Subtract, gtk.keysyms.minus,
gtk.keysyms.KP_Equal, gtk.keysyms.equal):
self.mode_cmd = True
self.date_get()
if self.callback_process:
self.callback_process(True, self, event)
self.stop_emission("key-press-event")
return True
elif self.mode_cmd:
if self.callback:
self.callback(event)
return True
return False
class CmdEntry(gtk.Label):
pass
class ComplexEntry(gtk.HBox):
def __init__(self, format, *args, **argv):
super(ComplexEntry, self).__init__(*args, **argv)
self.widget = DateEntry(
format,
self._date_cb,
self._process_cb
)
self.widget.set_position(0)
self.widget.select_region(0, 0)
self.widget_cmd = CmdEntry()
self.widget_cmd.hide()
self.pack_start(self.widget, expand=False, fill=False)
self.pack_start(self.widget_cmd, expand=False, fill=True)
def _date_cb(self, event):
if event.keyval in (gtk.keysyms.BackSpace,):
text = self.widget_cmd.get_text()[:-1]
self.widget_cmd.set_text(text)
return True
text = self.widget_cmd.get_text()
self.widget_cmd.set_text(text + event.string)
return True
def _process_cb(self, ok, widget, event=None):
if ok:
self.widget_cmd.show()
self._date_cb(event)
else:
if hasattr(event, 'keyval') and not event.keyval == gtk.keysyms.Escape:
cmd = self.widget_cmd.get_text()
dt = self.widget.date_get() or datetime.datetime.now()
res = compute_date(cmd, dt, self.widget.format)
if res:
self.widget.date_set(res)
self.widget_cmd.set_text('')
self.widget_cmd.hide()
def compute_date(cmd, dt, format):
lst = {
'^=(\d+)d$': lambda dt, r: dt + \
relativedelta(day=int(r.group(1))),
'^=(\d+)m$': lambda dt, r: dt + \
relativedelta(month=int(r.group(1))),
'^=(\d\d)y$': lambda dt, r: dt + \
relativedelta(year=int(str(dt.year)[:-2] + r.group(1))),
'^=(\d+)y$': lambda dt, r: dt + \
relativedelta(year=int(r.group(1))),
'^=(\d+)h$': lambda dt, r: dt + \
relativedelta(hour=int(r.group(1))),
'^([\\+-]\d+)h$': lambda dt, r: dt + \
relativedelta(hours=int(r.group(1))),
'^([\\+-]\d+)w$': lambda dt, r: dt + \
relativedelta(weeks=int(r.group(1))),
'^([\\+-]\d+)d$': lambda dt, r: dt + \
relativedelta(days=int(r.group(1))),
'^([\\+-]\d+)$': lambda dt, r: dt + \
relativedelta(days=int(r.group(1))),
'^([\\+-]\d+)m$': lambda dt, r: dt + \
relativedelta(months=int(r.group(1))),
'^([\\+-]\d+)y$': lambda dt, r: dt + \
relativedelta(years=int(r.group(1))),
'^=$': lambda dt,r: datetime.datetime.now(),
'^-$': lambda dt,r: False
}
for r, f in lst.items():
groups = re.match(r, cmd)
if groups:
if not dt:
dt = datetime.datetime.now()
try:
return f(dt, groups)
except ValueError:
continue
if __name__ == '__main__':
win = gtk.Window()
win.set_title('gtk.Entry subclass')
def cb(window, event):
gtk.main_quit()
win.connect('delete-event', cb)
vbox = gtk.VBox()
win.add(vbox)
for format in (
'%d.%m.%Y %H:%M:%S',
'%m/%d/%Y %H:%M:%S',
'%d/%m/%Y %H:%M:%S',
'%Y-%m-%d %H:%M%S',
'%d.%m.%Y',
'%m/%d/%Y',
'%d/%m/%Y',
'%Y-%m-%d',
):
widget = ComplexEntry(format)
vbox.pack_start(widget, False, False)
win.show_all()
gtk.main()
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