venkatesh22

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venkatesh22

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venkatesh22

from django.shortcuts import render_to_response as super_render_to_response
def render_to_response(*args, **kwargs):
    """
        Here overriding existing render_to_response method and
        changing template if other configuration is enabled
    """
    config = True
    if config:
        args = 'config/' + args[0],
    return super_render_to_response(*args, **kwargs)

venkatesh22

Set up Django, nginx and uwsgi

Steps with explanations to set up a server using:

• virtualenv
• Django
• nginx
• uwsgi

venkatesh22

Deployment notes for Ubuntu Instance
Nginx, uwsgi, postgres, django, virtualenv stack

* ssh root
root access (need pem)
ssh -i whatever.pem  ubuntu@ec2-*-*-*-*.compute-1.amazonaws.com

* secure box
- cut off all ports but 22 and 80 using AWS Management Console
- edit /etc/ssh/sshd_config ensure PasswordAuthentication no

venkatesh22

from selenium import webdriver


def select_from_chosen(driver, id, value):
    chosen = driver.find_element_by_id(id + '_chzn')
    results = chosen.find_elements_by_css_selector(".chzn-results li")

    found = False
    for result in results:
        if result.text == value:

venkatesh22

class _BaseForm(object):
   def clean(self):
       for field in self.cleaned_data:
           if isinstance(self.cleaned_data[field], basestring):
               self.cleaned_data[field] = self.cleaned_data[field].strip()
       return self.cleaned_data



class BaseModelForm(_BaseForm, forms.ModelForm):

venkatesh22

models.py

class PurchaseOrder(models.Model):
    total_value = models.DecimalField(max_digits=12, decimal_places=2, null=True, blank=True)

def purchase_order_post_save_handler(sender, instance, **kwargs):
    project_po_value_update_thread = accounting.threads.ProjectPoValueUpdateThread(instance)
    project_po_value_update_thread.start() 

post_save.connect(purchase_order_post_save_handler, sender=PurchaseOrder)

venkatesh22

d = datetime(2009, 8, 31, 22, 30, 30)
toUTCc(d)


def toUTCc(d):
    tz = timezone('US/Pacific')
    return tz.normalize(tz.localize(d)).astimezone(pytz.utc)

print "Test: ", datetime.datetime.utcnow(), " = ", toUTC(datetime.datetime.now())

venkatesh22

#signals.py

from django.dispatch import Signal
user_login = Signal(providing_args=["request", "user"])


#views.py

from foo import signals