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rows.py
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rows.py
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import wsgiref.handlers
from google.appengine.ext import webapp, db
from google.appengine.ext.webapp import template
import datetime
import time
from models import Row, Marker
import logging
import formencode
from formencode import htmlfill
from google.appengine.api import users
#log = logging.getLogger().setLevel(logging.DEBUG)
class RowEdit(formencode.Schema):
row_key = formencode.validators.String()
row_name = formencode.validators.String(not_empty=True)
submit = formencode.validators.String(not_empty=True)
class IndexPage(webapp.RequestHandler):
def get(self):
rows = db.Query(Row)
text = []
for row in rows:
text.append('%s %s' % (row.key(), row.owner))
for marker in Marker.all().filter("row =", row):
text.append(' - %s %s' % (marker.time, marker.value))
text.append(str(self.request.environ))
text = '\n'.join(text)
self.response.out.write(template.render('templates/pre.html', {
'text': text}))
def make_template_rows(segments, rows):
template_rows = []
for row in rows:
row_dict = {}
row_dict['name'] = '-%s-' % row.name
row_dict['key'] = row.key()
row_dict['segments'] = []
start = segments[-1:][0]['time_start']
end = segments[0]['time_end']
# text += 'Start: %s\n' % start
# text += 'End: %s\n' % end
markers_query = db.Query(Marker)
markers_query.filter('row =', row)
markers_query.filter('time >=', start)
markers_query.filter('time <', end)
markers_query.order('-time')
markers = markers_query.fetch(1000)
logging.info('Markers: %s' % markers)
for segment in segments:
d = {}
if markers != [] and \
markers[0].time >= segment['time_start']:
local_markers = []
while markers[0].time >= segment['time_start']:
local_markers.append(markers.pop(0))
if markers == []:
break
# d['value'] = len(local_markers)
d['value'] = sum([m.value for m in local_markers])
d['href'] = '/del?%s' % '&'.join([
'marker=%s' % m.key() for m in local_markers])
else:
d['value'] = 0
d['href'] = '/add?row_key=%s×tamp=%d' % (row.key(),
time.mktime(segment['time_start'].timetuple()))
row_dict['segments'].append(d)
if markers != []:
log.error('Markers left over! %s' % markers)
template_rows.append(row_dict)
return template_rows
def make_segments(now, number):
segments = []
for lop in range(number):
segment = {}
segment['name'] = '-%d' % (lop + 1)
segment['time_end'] = now - datetime.timedelta(days = lop)
segment['time_start'] = now - datetime.timedelta(days = lop + 1)
segment['title'] = 'Start: %s\nEnd: %s' % (segment['time_start'],
segment['time_end'])
segments.append(segment)
return segments
class EditLine(webapp.RequestHandler):
def get(self):
key = self.request.params.get('key')
name = ''
if key:
row = db.get(key)
name = row.name
html_form = (template.render('templates/row_edit.html', {'key': key}))
defaults = {'row_name': name, 'row_key': key}
self.response.out.write(htmlfill.render(html_form, defaults))
def post(self):
user = users.get_current_user()
if not user:
self.redirect(users.create_login_url("/"))
return
schema = RowEdit()
try:
form_result = schema.to_python(self.request.params)
except formencode.validators.Invalid, e:
self.response.out.write(e)
return
if form_result.get('row_key') != '':
row = db.get(form_result.get('row_key'))
# FIXME put user check in here
row.name = form_result.get('row_name')
row.put()
else:
row = Row(name = form_result.get('row_name'), owner = user)
row.put()
self.redirect('/show')
class ShowLines(webapp.RequestHandler):
def get(self):
user = users.get_current_user()
if user:
user_name = user.nickname()
user_url = users.create_logout_url("/")
else:
self.redirect(users.create_login_url("/"))
return
now = datetime.datetime.now()
now = now.replace(hour = 0, minute = 0,
second = 0, microsecond = 0)
rows = []
rows = Row.all().filter("owner =",user)
text = 'Now: %s\n' % now
text += 'User: %s, URL: %s\n' % (user_name, user_url)
segments = make_segments(now, 15)
template_rows = make_template_rows(segments, rows)
self.response.out.write(template.render('templates/lines.html',
{'text': text, 'segments': segments,
'template_rows': template_rows, 'user_name': user_name,
'user_url': user_url}))
class AddMarker(webapp.RequestHandler):
def get(self):
timestamps = self.request.params.getall('timestamp')
row = self.request.params.get('row_key')
for timestamp in timestamps:
t = datetime.datetime.fromtimestamp(float(timestamp))
r = db.get(row)
m = Marker(time = t, row = r, value = 3)
m.put()
referer = self.request.environ.get('HTTP_REFERER')
if referer:
self.redirect(referer)
else:
show = '/show?key=%s' % row.key()
self.redirect(show)
class DelMarker(webapp.RequestHandler):
def get(self):
markers = self.request.params.getall('marker')
markers = db.get(markers)
for marker in markers:
row_key = marker.row
db.delete(marker)
referer = self.request.environ.get('HTTP_REFERER')
if referer:
self.redirect(referer)
else:
show = '/show?key=%s' % row_key
self.redirect(show)
class MakeRow(webapp.RequestHandler):
def get(self):
user = users.get_current_user()
if user:
user_name = user.nickname()
user_url = users.create_logout_url("/")
else:
self.redirect(users.create_login_url("/"))
return
r = Row(name = 'NewRow', owner = user)
r.put()
self.redirect('/show')
def main():
time.tzset() # Fix SDK time bug
application = webapp.WSGIApplication([
('/', IndexPage),
('/init', MakeRow),
('/show', ShowLines),
('/add', AddMarker),
('/del', DelMarker),
('/edit', EditLine)
], debug=True)
wsgiref.handlers.CGIHandler().run(application)
if __name__ == "__main__":
main()