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Gokmen Gorgen committed a7f729b

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+## Django
+
+*.log
+*.pot
+*.pyc
+local_settings.py
+
+## Python
+
+*.py[co]
+
+# Packages
+*.egg
+*.egg-info
+dist
+build
+eggs
+parts
+bin
+var
+sdist
+develop-eggs
+.installed.cfg
+
+# Installer logs
+pip-log.txt
+
+# Unit test / coverage reports
+.coverage
+.tox
+
+#Translations
+*.mo
+
+#Mr Developer
+.mr.developer.cfg
+
+## Emacs
+
+*~
+\#*\#
+/.emacs.desktop
+/.emacs.desktop.lock
+.elc
+auto-save-list
+tramp
+.\#*
+This project includes example codes about this blog entry:
+http://gokmengorgen.net/post/detail/pdf-processes-in-django/
+
+Installation
+============
+You can install all Python dependencies with `pip install -r requirements.txt`. Additionally, you need to `pdftk`. You can find Ubuntu or Mac packages from it's official site:
+http://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/

__init__.py

Empty file added.

core/__init__.py

Empty file added.
+from django.db import models
+
+# Create your models here.
+"""
+This file demonstrates writing tests using the unittest module. These will pass
+when you run "manage.py test".
+
+Replace this with more appropriate tests for your application.
+"""
+
+from django.test import TestCase
+
+
+class SimpleTest(TestCase):
+    def test_basic_addition(self):
+        """
+        Tests that 1 + 1 always equals 2.
+        """
+        self.assertEqual(1 + 1, 2)
+from django.conf.urls.defaults import patterns, url
+from core.views import CoreIndex
+
+urlpatterns = patterns(
+    '',
+
+    url(r'$', view=CoreIndex.as_view(), name='core-index')
+)
+import tempfile
+from subprocess import call
+
+
+class UsageError(Exception):
+    def __str__(self):
+        return repr("You should define at least one: watermark, password")
+
+
+def pdftk(document, watermark=None, password=None):
+    """ Run pdftk for watermark and printable processes.
+
+    Arguments:
+        document: file path of original document. it should be string.
+        watermark: file path of watermark pdf file. it should be string.
+        password: required to disable printable. it should be random string.
+    """
+    if not watermark and password:
+        raise UsageError()
+
+    command = ['pdftk', document]
+
+    # if watermark is defined, add watermark to the output
+    if watermark:
+        command.extend(['stamp', watermark])
+
+    # create temporary file path and add as output argument.
+    file_path = tempfile.mktemp()
+    command.extend(['output', file_path])
+
+    if password:
+        # password can be boolean. at this status, we create a random password.
+        if type(password) == bool:
+            cluster = string.ascii_uppercase + string.digits
+            password = ''.join(random.choice(cluster) for x in range(8))
+
+        command.extend(['owner_pw', password])
+
+    # then, run pdftk with arguments
+    call(command)
+
+    # and last, return file path
+    return file_path
+from django.http import HttpResponse
+from django.views.generic import View
+from reportlab.pdfgen import canvas
+
+
+class CoreIndex(View):
+    def get(self, *args, **kwargs):
+        # Create the HttpResponse object with the appropriate PDF headers.
+        response = HttpResponse(mimetype='application/pdf')
+        response['Content-Disposition'] = 'filename=somefilename.pdf'
+
+        # Create the PDF object, using the response object as its "file."
+        p = canvas.Canvas(response)
+
+        # Draw things on the PDF. Here's where the PDF generation happens.
+        # See the ReportLab documentation for the full list of functionality.
+        p.drawString(100, 100, "Hello world.")
+
+        # Close the PDF object cleanly, and we're done.
+        p.showPage()
+        p.save()
+        return response
+#!/usr/bin/env python
+from django.core.management import execute_manager
+import imp
+try:
+    imp.find_module('settings') # Assumed to be in the same directory.
+except ImportError:
+    import sys
+    sys.stderr.write("Error: Can't find the file 'settings.py' in the directory containing %r. It appears you've customized things.\nYou'll have to run django-admin.py, passing it your settings module.\n" % __file__)
+    sys.exit(1)
+
+import settings
+
+if __name__ == "__main__":
+    execute_manager(settings)
+# Django settings for pdftk_example project.
+
+DEBUG = True
+TEMPLATE_DEBUG = DEBUG
+
+ADMINS = (
+    # ('Your Name', 'your_email@example.com'),
+)
+
+MANAGERS = ADMINS
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.', # Add 'postgresql_psycopg2', 'postgresql', 'mysql', 'sqlite3' or 'oracle'.
+        'NAME': '',                      # Or path to database file if using sqlite3.
+        'USER': '',                      # Not used with sqlite3.
+        'PASSWORD': '',                  # Not used with sqlite3.
+        'HOST': '',                      # Set to empty string for localhost. Not used with sqlite3.
+        'PORT': '',                      # Set to empty string for default. Not used with sqlite3.
+    }
+}
+
+# Local time zone for this installation. Choices can be found here:
+# http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
+# although not all choices may be available on all operating systems.
+# On Unix systems, a value of None will cause Django to use the same
+# timezone as the operating system.
+# If running in a Windows environment this must be set to the same as your
+# system time zone.
+TIME_ZONE = 'America/Chicago'
+
+# Language code for this installation. All choices can be found here:
+# http://www.i18nguy.com/unicode/language-identifiers.html
+LANGUAGE_CODE = 'en-us'
+
+SITE_ID = 1
+
+# If you set this to False, Django will make some optimizations so as not
+# to load the internationalization machinery.
+USE_I18N = True
+
+# If you set this to False, Django will not format dates, numbers and
+# calendars according to the current locale
+USE_L10N = True
+
+# Absolute filesystem path to the directory that will hold user-uploaded files.
+# Example: "/home/media/media.lawrence.com/media/"
+MEDIA_ROOT = ''
+
+# URL that handles the media served from MEDIA_ROOT. Make sure to use a
+# trailing slash.
+# Examples: "http://media.lawrence.com/media/", "http://example.com/media/"
+MEDIA_URL = ''
+
+# Absolute path to the directory static files should be collected to.
+# Don't put anything in this directory yourself; store your static files
+# in apps' "static/" subdirectories and in STATICFILES_DIRS.
+# Example: "/home/media/media.lawrence.com/static/"
+STATIC_ROOT = ''
+
+# URL prefix for static files.
+# Example: "http://media.lawrence.com/static/"
+STATIC_URL = '/static/'
+
+# URL prefix for admin static files -- CSS, JavaScript and images.
+# Make sure to use a trailing slash.
+# Examples: "http://foo.com/static/admin/", "/static/admin/".
+ADMIN_MEDIA_PREFIX = '/static/admin/'
+
+# Additional locations of static files
+STATICFILES_DIRS = (
+    # Put strings here, like "/home/html/static" or "C:/www/django/static".
+    # Always use forward slashes, even on Windows.
+    # Don't forget to use absolute paths, not relative paths.
+)
+
+# List of finder classes that know how to find static files in
+# various locations.
+STATICFILES_FINDERS = (
+    'django.contrib.staticfiles.finders.FileSystemFinder',
+    'django.contrib.staticfiles.finders.AppDirectoriesFinder',
+#    'django.contrib.staticfiles.finders.DefaultStorageFinder',
+)
+
+# Make this unique, and don't share it with anybody.
+SECRET_KEY = 'tsas(ydt7q!rx!5(%j(w$6-v^&9%+9suap%q$+o!-awyjoxxg9'
+
+# List of callables that know how to import templates from various sources.
+TEMPLATE_LOADERS = (
+    'django.template.loaders.filesystem.Loader',
+    'django.template.loaders.app_directories.Loader',
+#     'django.template.loaders.eggs.Loader',
+)
+
+MIDDLEWARE_CLASSES = (
+    'django.middleware.common.CommonMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+)
+
+ROOT_URLCONF = 'pdftk_example.urls'
+
+TEMPLATE_DIRS = (
+    # Put strings here, like "/home/html/django_templates" or "C:/www/django/templates".
+    # Always use forward slashes, even on Windows.
+    # Don't forget to use absolute paths, not relative paths.
+)
+
+INSTALLED_APPS = (
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.sites',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    # Uncomment the next line to enable the admin:
+    # 'django.contrib.admin',
+    # Uncomment the next line to enable admin documentation:
+    # 'django.contrib.admindocs',
+    'core'
+)
+
+# A sample logging configuration. The only tangible logging
+# performed by this configuration is to send an email to
+# the site admins on every HTTP 500 error.
+# See http://docs.djangoproject.com/en/dev/topics/logging for
+# more details on how to customize your logging configuration.
+LOGGING = {
+    'version': 1,
+    'disable_existing_loggers': False,
+    'handlers': {
+        'mail_admins': {
+            'level': 'ERROR',
+            'class': 'django.utils.log.AdminEmailHandler'
+        }
+    },
+    'loggers': {
+        'django.request': {
+            'handlers': ['mail_admins'],
+            'level': 'ERROR',
+            'propagate': True,
+        },
+    }
+}
+from django.conf.urls.defaults import patterns, include, url
+
+urlpatterns = patterns(
+    '',
+
+    url(r'^', include('core.urls'))
+)