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authorChris McDonough <chrism@agendaless.com>2008-07-24 18:23:27 +0000
committerChris McDonough <chrism@agendaless.com>2008-07-24 18:23:27 +0000
commit1f884ec7a1e01a2bfd635c3dc6a13ca76e0d0e8d (patch)
tree4fa403cefa2a7d6001413bff583623cd00c5b589 /docs
parent1a7b14de4bc89ef0fd162ef8e62d01926e42b54e (diff)
downloadpyramid-1f884ec7a1e01a2bfd635c3dc6a13ca76e0d0e8d.tar.gz
pyramid-1f884ec7a1e01a2bfd635c3dc6a13ca76e0d0e8d.tar.bz2
pyramid-1f884ec7a1e01a2bfd635c3dc6a13ca76e0d0e8d.zip
Move stuff from lxmlgraph to main docs.
Diffstat (limited to 'docs')
-rw-r--r--docs/index.rst7
-rw-r--r--docs/narr/myproject/CHANGES.txt3
-rw-r--r--docs/narr/myproject/README.txt4
-rw-r--r--docs/narr/myproject/ez_setup.py272
-rw-r--r--docs/narr/myproject/myproject.ini11
-rw-r--r--docs/narr/myproject/myproject/__init__.py2
-rw-r--r--docs/narr/myproject/myproject/configure.zcml13
-rw-r--r--docs/narr/myproject/myproject/models.py14
-rw-r--r--docs/narr/myproject/myproject/run.py13
-rw-r--r--docs/narr/myproject/myproject/templates/mytemplate.pt7
-rw-r--r--docs/narr/myproject/myproject/tests.py45
-rw-r--r--docs/narr/myproject/myproject/views.py5
-rw-r--r--docs/narr/myproject/setup.py44
-rw-r--r--docs/narr/project.rst219
14 files changed, 580 insertions, 79 deletions
diff --git a/docs/index.rst b/docs/index.rst
index ef511a4a3..e0d28d279 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -1,7 +1,8 @@
.. _index:
-repoze.bfg Documentation
-========================
+==========================
+ repoze.bfg Documentation
+==========================
Narrative documentation
-----------------------
@@ -30,7 +31,7 @@ Step-by-step sample applications that use ``repoze.bfg``.
:maxdepth: 2
tutorials/lxmlgraph/index.rst
-
+ tutorials/cluegun/index.rst
API documentation
-----------------
diff --git a/docs/narr/myproject/CHANGES.txt b/docs/narr/myproject/CHANGES.txt
new file mode 100644
index 000000000..1544cf53b
--- /dev/null
+++ b/docs/narr/myproject/CHANGES.txt
@@ -0,0 +1,3 @@
+0.1
+
+ Initial version
diff --git a/docs/narr/myproject/README.txt b/docs/narr/myproject/README.txt
new file mode 100644
index 000000000..644ff3aec
--- /dev/null
+++ b/docs/narr/myproject/README.txt
@@ -0,0 +1,4 @@
+myproject README
+
+
+
diff --git a/docs/narr/myproject/ez_setup.py b/docs/narr/myproject/ez_setup.py
new file mode 100644
index 000000000..89cf056d9
--- /dev/null
+++ b/docs/narr/myproject/ez_setup.py
@@ -0,0 +1,272 @@
+#!python
+"""Bootstrap setuptools installation
+
+If you want to use setuptools in your package's setup.py, just include this
+file in the same directory with it, and add this to the top of your setup.py::
+
+ from ez_setup import use_setuptools
+ use_setuptools()
+
+If you want to require a specific version of setuptools, set a download
+mirror, or use an alternate download directory, you can do so by supplying
+the appropriate options to ``use_setuptools()``.
+
+This file can also be run as a script to install or upgrade setuptools.
+"""
+import sys
+DEFAULT_VERSION = "0.6c8"
+DEFAULT_URL = "http://pypi.python.org/packages/%s/s/setuptools/" % sys.version[:3]
+
+md5_data = {
+ 'setuptools-0.6b1-py2.3.egg': '8822caf901250d848b996b7f25c6e6ca',
+ 'setuptools-0.6b1-py2.4.egg': 'b79a8a403e4502fbb85ee3f1941735cb',
+ 'setuptools-0.6b2-py2.3.egg': '5657759d8a6d8fc44070a9d07272d99b',
+ 'setuptools-0.6b2-py2.4.egg': '4996a8d169d2be661fa32a6e52e4f82a',
+ 'setuptools-0.6b3-py2.3.egg': 'bb31c0fc7399a63579975cad9f5a0618',
+ 'setuptools-0.6b3-py2.4.egg': '38a8c6b3d6ecd22247f179f7da669fac',
+ 'setuptools-0.6b4-py2.3.egg': '62045a24ed4e1ebc77fe039aa4e6f7e5',
+ 'setuptools-0.6b4-py2.4.egg': '4cb2a185d228dacffb2d17f103b3b1c4',
+ 'setuptools-0.6c1-py2.3.egg': 'b3f2b5539d65cb7f74ad79127f1a908c',
+ 'setuptools-0.6c1-py2.4.egg': 'b45adeda0667d2d2ffe14009364f2a4b',
+ 'setuptools-0.6c2-py2.3.egg': 'f0064bf6aa2b7d0f3ba0b43f20817c27',
+ 'setuptools-0.6c2-py2.4.egg': '616192eec35f47e8ea16cd6a122b7277',
+ 'setuptools-0.6c3-py2.3.egg': 'f181fa125dfe85a259c9cd6f1d7b78fa',
+ 'setuptools-0.6c3-py2.4.egg': 'e0ed74682c998bfb73bf803a50e7b71e',
+ 'setuptools-0.6c3-py2.5.egg': 'abef16fdd61955514841c7c6bd98965e',
+ 'setuptools-0.6c4-py2.3.egg': 'b0b9131acab32022bfac7f44c5d7971f',
+ 'setuptools-0.6c4-py2.4.egg': '2a1f9656d4fbf3c97bf946c0a124e6e2',
+ 'setuptools-0.6c4-py2.5.egg': '8f5a052e32cdb9c72bcf4b5526f28afc',
+ 'setuptools-0.6c5-py2.3.egg': 'ee9fd80965da04f2f3e6b3576e9d8167',
+ 'setuptools-0.6c5-py2.4.egg': 'afe2adf1c01701ee841761f5bcd8aa64',
+ 'setuptools-0.6c5-py2.5.egg': 'a8d3f61494ccaa8714dfed37bccd3d5d',
+ 'setuptools-0.6c6-py2.3.egg': '35686b78116a668847237b69d549ec20',
+ 'setuptools-0.6c6-py2.4.egg': '3c56af57be3225019260a644430065ab',
+ 'setuptools-0.6c6-py2.5.egg': 'b2f8a7520709a5b34f80946de5f02f53',
+ 'setuptools-0.6c7-py2.3.egg': '209fdf9adc3a615e5115b725658e13e2',
+ 'setuptools-0.6c7-py2.4.egg': '5a8f954807d46a0fb67cf1f26c55a82e',
+ 'setuptools-0.6c7-py2.5.egg': '45d2ad28f9750e7434111fde831e8372',
+ 'setuptools-0.6c8-py2.3.egg': '50759d29b349db8cfd807ba8303f1902',
+ 'setuptools-0.6c8-py2.4.egg': 'cba38d74f7d483c06e9daa6070cce6de',
+ 'setuptools-0.6c8-py2.5.egg': '1721747ee329dc150590a58b3e1ac95b',
+}
+
+import sys, os
+
+def _validate_md5(egg_name, data):
+ if egg_name in md5_data:
+ from md5 import md5
+ digest = md5(data).hexdigest()
+ if digest != md5_data[egg_name]:
+ print >>sys.stderr, (
+ "md5 validation of %s failed! (Possible download problem?)"
+ % egg_name
+ )
+ sys.exit(2)
+ return data
+
+
+def use_setuptools(
+ version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir,
+ download_delay=15
+):
+ """Automatically find/download setuptools and make it available on sys.path
+
+ `version` should be a valid setuptools version number that is available
+ as an egg for download under the `download_base` URL (which should end with
+ a '/'). `to_dir` is the directory where setuptools will be downloaded, if
+ it is not already available. If `download_delay` is specified, it should
+ be the number of seconds that will be paused before initiating a download,
+ should one be required. If an older version of setuptools is installed,
+ this routine will print a message to ``sys.stderr`` and raise SystemExit in
+ an attempt to abort the calling script.
+ """
+ was_imported = 'pkg_resources' in sys.modules or 'setuptools' in sys.modules
+ def do_download():
+ egg = download_setuptools(version, download_base, to_dir, download_delay)
+ sys.path.insert(0, egg)
+ import setuptools; setuptools.bootstrap_install_from = egg
+ try:
+ import pkg_resources
+ except ImportError:
+ return do_download()
+ try:
+ pkg_resources.require("setuptools>="+version); return
+ except pkg_resources.VersionConflict, e:
+ if was_imported:
+ print >>sys.stderr, (
+ "The required version of setuptools (>=%s) is not available, and\n"
+ "can't be installed while this script is running. Please install\n"
+ " a more recent version first, using 'easy_install -U setuptools'."
+ "\n\n(Currently using %r)"
+ ) % (version, e.args[0])
+ sys.exit(2)
+ else:
+ del pkg_resources, sys.modules['pkg_resources'] # reload ok
+ return do_download()
+ except pkg_resources.DistributionNotFound:
+ return do_download()
+
+def download_setuptools(
+ version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir,
+ delay = 15
+):
+ """Download setuptools from a specified location and return its filename
+
+ `version` should be a valid setuptools version number that is available
+ as an egg for download under the `download_base` URL (which should end
+ with a '/'). `to_dir` is the directory where the egg will be downloaded.
+ `delay` is the number of seconds to pause before an actual download attempt.
+ """
+ import urllib2, shutil
+ egg_name = "setuptools-%s-py%s.egg" % (version,sys.version[:3])
+ url = download_base + egg_name
+ saveto = os.path.join(to_dir, egg_name)
+ src = dst = None
+ if not os.path.exists(saveto): # Avoid repeated downloads
+ try:
+ from distutils import log
+ if delay:
+ log.warn("""
+---------------------------------------------------------------------------
+This script requires setuptools version %s to run (even to display
+help). I will attempt to download it for you (from
+%s), but
+you may need to enable firewall access for this script first.
+I will start the download in %d seconds.
+
+(Note: if this machine does not have network access, please obtain the file
+
+ %s
+
+and place it in this directory before rerunning this script.)
+---------------------------------------------------------------------------""",
+ version, download_base, delay, url
+ ); from time import sleep; sleep(delay)
+ log.warn("Downloading %s", url)
+ src = urllib2.urlopen(url)
+ # Read/write all in one block, so we don't create a corrupt file
+ # if the download is interrupted.
+ data = _validate_md5(egg_name, src.read())
+ dst = open(saveto,"wb"); dst.write(data)
+ finally:
+ if src: src.close()
+ if dst: dst.close()
+ return os.path.realpath(saveto)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+def main(argv, version=DEFAULT_VERSION):
+ """Install or upgrade setuptools and EasyInstall"""
+ try:
+ import setuptools
+ except ImportError:
+ egg = None
+ try:
+ egg = download_setuptools(version, delay=0)
+ sys.path.insert(0,egg)
+ from setuptools.command.easy_install import main
+ return main(list(argv)+[egg]) # we're done here
+ finally:
+ if egg and os.path.exists(egg):
+ os.unlink(egg)
+ else:
+ if setuptools.__version__ == '0.0.1':
+ print >>sys.stderr, (
+ "You have an obsolete version of setuptools installed. Please\n"
+ "remove it from your system entirely before rerunning this script."
+ )
+ sys.exit(2)
+
+ req = "setuptools>="+version
+ import pkg_resources
+ try:
+ pkg_resources.require(req)
+ except pkg_resources.VersionConflict:
+ try:
+ from setuptools.command.easy_install import main
+ except ImportError:
+ from easy_install import main
+ main(list(argv)+[download_setuptools(delay=0)])
+ sys.exit(0) # try to force an exit
+ else:
+ if argv:
+ from setuptools.command.easy_install import main
+ main(argv)
+ else:
+ print "Setuptools version",version,"or greater has been installed."
+ print '(Run "ez_setup.py -U setuptools" to reinstall or upgrade.)'
+
+def update_md5(filenames):
+ """Update our built-in md5 registry"""
+
+ import re
+ from md5 import md5
+
+ for name in filenames:
+ base = os.path.basename(name)
+ f = open(name,'rb')
+ md5_data[base] = md5(f.read()).hexdigest()
+ f.close()
+
+ data = [" %r: %r,\n" % it for it in md5_data.items()]
+ data.sort()
+ repl = "".join(data)
+
+ import inspect
+ srcfile = inspect.getsourcefile(sys.modules[__name__])
+ f = open(srcfile, 'rb'); src = f.read(); f.close()
+
+ match = re.search("\nmd5_data = {\n([^}]+)}", src)
+ if not match:
+ print >>sys.stderr, "Internal error!"
+ sys.exit(2)
+
+ src = src[:match.start(1)] + repl + src[match.end(1):]
+ f = open(srcfile,'w')
+ f.write(src)
+ f.close()
+
+
+if __name__=='__main__':
+ if len(sys.argv)>2 and sys.argv[1]=='--md5update':
+ update_md5(sys.argv[2:])
+ else:
+ main(sys.argv[1:])
+
+
+
+
+
diff --git a/docs/narr/myproject/myproject.ini b/docs/narr/myproject/myproject.ini
new file mode 100644
index 000000000..21292d14c
--- /dev/null
+++ b/docs/narr/myproject/myproject.ini
@@ -0,0 +1,11 @@
+[DEFAULT]
+debug = true
+
+[app:main]
+use = egg:myproject#make_app
+
+[server:main]
+use = egg:PasteScript#cherrypy
+host = 0.0.0.0
+port = 5432
+numthreads = 4
diff --git a/docs/narr/myproject/myproject/__init__.py b/docs/narr/myproject/myproject/__init__.py
new file mode 100644
index 000000000..cbdfd3ac6
--- /dev/null
+++ b/docs/narr/myproject/myproject/__init__.py
@@ -0,0 +1,2 @@
+# A package
+
diff --git a/docs/narr/myproject/myproject/configure.zcml b/docs/narr/myproject/myproject/configure.zcml
new file mode 100644
index 000000000..174b27354
--- /dev/null
+++ b/docs/narr/myproject/myproject/configure.zcml
@@ -0,0 +1,13 @@
+<configure xmlns="http://namespaces.zope.org/zope"
+ xmlns:bfg="http://namespaces.repoze.org/bfg"
+ i18n_domain="repoze.bfg">
+
+ <!-- this must be included for the view declarations to work -->
+ <include package="repoze.bfg" />
+
+ <bfg:view
+ for=".models.IMyModel"
+ view=".views.my_view"
+ />
+
+</configure>
diff --git a/docs/narr/myproject/myproject/models.py b/docs/narr/myproject/myproject/models.py
new file mode 100644
index 000000000..42efd9e0b
--- /dev/null
+++ b/docs/narr/myproject/myproject/models.py
@@ -0,0 +1,14 @@
+from zope.interface import Interface
+from zope.interface import implements
+
+class IMyModel(Interface):
+ pass
+
+class MyModel(object):
+ implements(IMyModel)
+ pass
+
+root = MyModel()
+
+def get_root(environ):
+ return root
diff --git a/docs/narr/myproject/myproject/run.py b/docs/narr/myproject/myproject/run.py
new file mode 100644
index 000000000..9592ce441
--- /dev/null
+++ b/docs/narr/myproject/myproject/run.py
@@ -0,0 +1,13 @@
+def make_app(global_config, **kw):
+ # paster app config callback
+ from repoze.bfg import make_app
+ from myproject.models import get_root
+ import myproject
+ app = make_app(get_root, myproject)
+ return app
+
+if __name__ == '__main__':
+ from paste import httpserver
+ app = make_app(None)
+ httpserver.serve(app, host='0.0.0.0', port='5432')
+
diff --git a/docs/narr/myproject/myproject/templates/mytemplate.pt b/docs/narr/myproject/myproject/templates/mytemplate.pt
new file mode 100644
index 000000000..a7affedf9
--- /dev/null
+++ b/docs/narr/myproject/myproject/templates/mytemplate.pt
@@ -0,0 +1,7 @@
+<html xmlns="http://www.w3.org/1999/xhtml"
+ xmlns:tal="http://xml.zope.org/namespaces/tal">
+<head></head>
+<body>
+ <h1>Welcome to ${project}</h1>
+</body>
+</html>
diff --git a/docs/narr/myproject/myproject/tests.py b/docs/narr/myproject/myproject/tests.py
new file mode 100644
index 000000000..d3d4628ff
--- /dev/null
+++ b/docs/narr/myproject/myproject/tests.py
@@ -0,0 +1,45 @@
+import unittest
+
+class ViewTests(unittest.TestCase):
+ def setUp(self):
+ # This sets up the application registry with the registrations
+ # your application declares in its configure.zcml (including
+ # dependent registrations for repoze.bfg itself). This is a
+ # heavy-hammer way of making sure that your tests have enough
+ # context to run properly. But tests will run faster if you
+ # use only the registrations you need programmatically, so you
+ # should explore ways to do that rather than rely on ZCML (see
+ # the repoze.bfg tests for inspiration).
+ self._cleanup()
+ import myproject
+ import zope.configuration.xmlconfig
+ zope.configuration.xmlconfig.file('configure.zcml',
+ package=myproject)
+
+ def tearDown(self):
+ self._cleanup()
+
+ def _cleanup(self):
+ # this clears the application registry
+ from zope.testing.cleanup import cleanUp
+ cleanUp()
+
+ def test_my_view(self):
+ from myproject.views import my_view
+ context = DummyContext()
+ request = DummyRequest()
+ result = my_view(context, request)
+ self.assertEqual(result.status, '200 OK')
+ body = result.app_iter[0]
+ self.failUnless('Welcome to myproject' in body)
+ self.assertEqual(len(result.headerlist), 2)
+ self.assertEqual(result.headerlist[0],
+ ('content-type', 'text/html; charset=UTF-8'))
+ self.assertEqual(result.headerlist[1], ('Content-Length',
+ str(len(body))))
+
+class DummyContext:
+ pass
+
+class DummyRequest:
+ pass
diff --git a/docs/narr/myproject/myproject/views.py b/docs/narr/myproject/myproject/views.py
new file mode 100644
index 000000000..6e1be6190
--- /dev/null
+++ b/docs/narr/myproject/myproject/views.py
@@ -0,0 +1,5 @@
+from repoze.bfg.template import render_template_to_response
+
+def my_view(context, request):
+ return render_template_to_response('templates/mytemplate.pt',
+ project = 'myproject')
diff --git a/docs/narr/myproject/setup.py b/docs/narr/myproject/setup.py
new file mode 100644
index 000000000..7797776c7
--- /dev/null
+++ b/docs/narr/myproject/setup.py
@@ -0,0 +1,44 @@
+import os
+
+from ez_setup import use_setuptools
+use_setuptools()
+
+from setuptools import setup, find_packages
+
+here = os.path.abspath(os.path.dirname(__file__))
+README = open(os.path.join(here, 'README.txt')).read()
+CHANGES = open(os.path.join(here, 'CHANGES.txt')).read()
+
+setup(name='myproject',
+ version='0.1',
+ description='myproject',
+ long_description=README + '\n\n' + CHANGES,
+ classifiers=[
+ "Development Status :: 3 - Alpha",
+ "Intended Audience :: Developers",
+ "Programming Language :: Python",
+ "Topic :: Internet :: WWW/HTTP",
+ "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
+ "Topic :: Internet :: WWW/HTTP :: WSGI",
+ "Topic :: Internet :: WWW/HTTP :: WSGI :: Application",
+ ],
+ author='',
+ author_email='',
+ url='',
+ keywords='web wsgi bfg zope',
+ packages=find_packages(),
+ include_package_data=True,
+ zip_safe=False,
+ install_requires=[
+ 'repoze.bfg',
+ ],
+ tests_require=[
+ 'repoze.bfg',
+ ],
+ test_suite="myproject.tests",
+ entry_points = """\
+ [paste.app_factory]
+ make_app = myproject.run:make_app
+ """
+ )
+
diff --git a/docs/narr/project.rst b/docs/narr/project.rst
index c12e0db71..7ae5c4d92 100644
--- a/docs/narr/project.rst
+++ b/docs/narr/project.rst
@@ -122,62 +122,144 @@ The Project Structure
---------------------
Our generated ``repoze.bfg`` application is a setuptools *project*
-(named ``myproject``), which contains a Python package (also named
-``myproject``).
+(named ``myproject``), which contains a Python package (which is
+*also* named ``myproject``; the paster template generates a project
+which contains a package that shares its name).
-The ``myproject`` package has the following files and directories:
+The ``myproject`` project has the following directory structure::
- 1. A ``views.py`` module, which contains view code.
+ myproject/
+ |-- CHANGES.txt
+ |-- README.txt
+ |-- ez_setup.py
+ |-- myproject
+ | |-- __init__.py
+ | |-- configure.zcml
+ | |-- models.py
+ | |-- run.py
+ | |-- templates
+ | | `-- mytemplate.pt
+ | |-- tests.py
+ | `-- views.py
+ |-- myproject.ini
+ `-- setup.py
- 2. A ``models.py`` module, which contains model code.
+The ``myproject`` *Project*
+---------------------------
- 3. A ``run.py`` module, which contains code that helps users run the
- application.
+The ``myproject`` project is the distribution and deployment wrapper
+for your application. It contains both the ``myproject`` *package*
+representing your application as well as files used to describe, run,
+and test your application.
- 4. A ``configure.zcml`` file which maps view names to model types.
- This is also known as the "application registry", although it
- also often contains non-view-related declarations.
+#. ``CHANGES.txt`` describes the changes you've made to the application.
- 5. A ``templates`` directory, which is full of zc3.pt and/or XSL
- templates.
+#. ``README.txt`` describes the application in general.
-This is purely by convention: ``repoze.bfg`` doesn't insist that you
-name things in any particular way.
+#. ``ez_setup.py`` is a file that is used by ``setup.py`` to install
+ setuptools if the executing user does not have it installed.
-We don't describe any security in our sample application. Security is
-optional in a repoze.bfg application; it needn't be used until
-necessary.
+#. ``myproject.ini`` is a PasteDeploy configuration file that can be
+ used to execute your application.
+
+#. ``setup.py`` is the file you'll use to test and distribute your
+ application. It is a standard distutils/setuptools ``setup.py`` file.
+
+It also contains the ``myproject`` *package*, described below.
+
+The ``myproject`` *Package*
+---------------------------
+
+The ``myproject`` package lives inside the ``myproject`` project. It
+contains:
+
+#. An ``__init__.py`` file which signifies that this is a Python
+ package. It is conventionally empty, save for a single comment at
+ the top.
+
+#. A ``configure.zcml`` file which maps view names to model types.
+ This is also known as the "application registry", although it
+ also often contains non-view-related declarations.
+
+#. A ``models.py`` module, which contains model code.
+
+#. A ``run.py`` module, which contains code that helps users run the
+ application.
+
+#. A ``templates`` directory, which is full of zc3.pt and/or XSL
+ templates.
+
+#. A ``tests.py`` module, which contains test code.
+
+#. A ``views.py`` module, which contains view code.
+
+These are purely conventions established by the Paster template:
+``repoze.bfg`` doesn't insist that you name things in any particular
+way.
+
+``configure.zcml``
+~~~~~~~~~~~~~~~~~~
+
+The ``configure.zcml`` (representing the application registry) looks
+like so:
+
+.. literalinclude:: myproject/myproject/configure.zcml
+ :linenos:
+ :language: xml
+
+#. Lines 1-3 provide the root node and namespaces for the
+ configuration language. ``bfg`` is the namespace for
+ ``repoze.bfg``-specific configuration directives.
+
+#. Line 6 initializes ``repoze.bfg``-specific configuration
+ directives by including it as a package.
+
+#. Lines 8-11 register a single view. It is ``for`` model objects
+ that support the IMyModel interface. The ``view`` attribute points
+ at a Python function that does all the work for this view.
``views.py``
-------------
+~~~~~~~~~~~~
+
+Much of the heavy lifting in a ``repoze.bfg`` application comes in the
+views. Views are the bridge between the content in the model, and the
+HTML given back to the browser.
-The code in the views.py project looks like this::
+.. literalinclude:: myproject/myproject/views.py
+ :linenos:
- from repoze.bfg.template import render_template_to_response
+#. Lines 3-5 provide the ``my_view`` that was registered as the view.
+ ``configure.zcml`` said that the default URL for IMyModel content
+ should run this ``my_view`` function.
- def my_view(context, request):
- return render_template_to_response('templates/mytemplate.pt',
- project = 'myproject')
+ The function is handed two pieces of information: the ``context``
+ and the ``request``. The ``context`` is the data at the current
+ hop in the URL. (That data comes from the model.) The request is
+ an instance of a WebOb request.
+
+#. The model renders a remplate and returns the result as the
+ response.
``models.py``
--------------
+~~~~~~~~~~~~~
-The code in the models.py looks like this::
+In our sample app, the ``models.py`` module provides the model data.
+We create an interface ``IMyModel`` that gives us the "type" for our
+data. We then write a class ``MyModel`` that provides the behavior
+for instances of the ``IMyModel`` type.
- from zope.interface import Interface
- from zope.interface import implements
+.. literalinclude:: myproject/myproject/models.py
+ :linenos:
- class IMyModel(Interface):
- pass
+#. Lines 4-5 define the interface.
- class MyModel(object):
- implements(IMyModel)
- pass
+#. Lines 7-9 provide a class that implements this interface.
- root = MyModel()
+#. Line 11 defines an instance of MyModel as the root.
- def get_root(environ):
- return root
+#. Line 13 is a function that will be called by the ``repoze.bfg``
+ *Router* for each request when it wants to find the root of the model
+ graph. Conventionally this is called ``get_root``.
In a "real" application, the root object would not be such a simple
object. Instead, it would be an object that could access some
@@ -186,54 +268,39 @@ make any assumption about which sort of datastore you'll want to use,
so the sample application uses an instance of ``MyModel`` to represent
the root.
-``configure.zcml``
-------------------
+``run.py``
+~~~~~~~~~~
-The ``configure.zcml`` (representing the application registry) looks
-like so::
+We need a small Python module that sets everything, fires up a web
+server, and handles incoming requests. Later we'll see how to use a
+Paste configuration file to do this work for us.
- <configure xmlns="http://namespaces.zope.org/zope"
- xmlns:bfg="http://namespaces.repoze.org/bfg"
- i18n_domain="repoze.bfg">
+.. literalinclude:: myproject/myproject/run.py
+ :linenos:
- <!-- this must be included for the view declarations to work -->
- <include package="repoze.bfg" />
+#. Lines 1 - 7 define a function that returns a ``repoze.bfg`` Router
+ application. This is meant to be called by the PasteDeploy framework
+ as a result of running ``paster serve``.
- <bfg:view
- for=".models.IMyModel"
- view=".views.my_view"
- />
+#. Lines 9 - 12 allow this file to serve as a shortcut for executing
+ our program if the ``run.py`` file is executed directly. It starts
+ our application under a web server on port 5432.
- </configure>
+``templates/mytemplate.pt``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
-``templates/my.pt``
--------------------
+The single template in the project looks like so:
-The single template in the project looks like so::
+.. literalinclude:: myproject/myproject/templates/mytemplate.pt
+ :linenos:
+ :language: xml
- <html xmlns="http://www.w3.org/1999/xhtml"
- xmlns:tal="http://xml.zope.org/namespaces/tal">
- <head></head>
- <body>
- <h1>Welcome to ${project}</h1>
- </body>
- </html>
+``tests.py``
+~~~~~~~~~~~~
+
+The ``tests.py`` module includes unit tests for your application.
+
+.. literalinclude:: myproject/myproject/tests.py
+ :linenos:
-``run.py``
-----------
-
-The run.py file looks like so::
-
- def make_app(global_config, **kw):
- # paster app config callback
- from repoze.bfg import make_app
- from myproject.models import get_root
- import myproject
- app = make_app(get_root, myproject)
- return app
-
- if __name__ == '__main__':
- from paste import httpserver
- app = make_app(None)
- httpserver.serve(app, host='0.0.0.0', port='5432')