Humming Via Kitchen

def _load_post_and_files(self):
    # Populates self._post and self._files
    if self.method == 'POST':   #<-- ココ
        if self.environ.get('CONTENT_TYPE', '').startswith('multipart'):
            header_dict = dict([(k, v) for k, v in self.environ.items() if k.startswith('HTTP_')])
            header_dict['Content-Type'] = self.environ.get('CONTENT_TYPE', '')
            self._post, self._files = http.parse_file_upload(header_dict, self.raw_post_data)
        else:
            self._post, self._files = http.QueryDict(self.raw_post_data, encoding=self._encoding), datastructures.MultiValueDict()
    else:
        self._post, self._files = http.QueryDict('', encoding=self._encoding), datastructures.MultiValueDict()

Index: django/core/handlers/wsgi.py
===================================================================
--- django/core/handlers/wsgi.py        (revision 6708)
+++ django/core/handlers/wsgi.py        (working copy)
@@ -110,7 +110,7 @@

     def _load_post_and_files(self):
         # Populates self._post and self._files
-        if self.method == 'POST':
+        if self.method in ('POST', 'PUT', 'DELETE'):
             if self.environ.get('CONTENT_TYPE', '').startswith('multipart'):
                 header_dict = dict([(k, v) for k, v in self.environ.items() if k.startswith('HTTP_')])
                 header_dict['Content-Type'] = self.environ.get('CONTENT_TYPE', '')

>>> from httplib import HTTPConnection
>>> from lxml import etree

>>> #   とりあえずHTMLを取ってくる。
>>> conn = HTTPConnection('humming.via-kitchen.com')
>>> conn.request('GET', '/')

>>> #   レスポンスをパース。
>>> html = etree.parse(conn.getresponse(), parser=etree.HTMLParser()).getroot()

>>> #   カテゴリーリストを取ってくる。
>>> html.xpath('//div[@id="subContent"]/ul[@class="cloudList"]')
[<Element ul at 2489f90>]
>>> ul = html.xpath('//div[@id="subContent"]/ul[@class="cloudList"]')[0]

>>> #   リストのリンクを取ってくる。
>>> ul.xpath('./li/a')
[<Element a at 2489fc0>, <Element a at 248f720>, ..., <Element a at 248fe70>]

>>> #   リンクのテキストを取ってくる。
>>> ul.xpath('./li/a/text()')
['ActionScript', 'AIR', ..., 'vim']

>>> #   hrefを取ってくる。
>>> ul.xpath('./li/a/@href')
['/weblog/tag/actionscript/', '/weblog/tag/air/', ..., '/weblog/tag/vim/']

>>> #   classを取ってくる。
>>> ul.xpath('./li/a/@class')
['rank9', 'rank2', ..., 'rank2', 'rank8']

$ sudo easy_install lxml==1.3.6

<?xml version="1.0" encoding="UTF-8"?>
<items>
    <item>
        <id>1</id>
        <name>hoge</name>
        <type>word</type>
    </item>
    <item>
        <id>2</id>
        <name>hige</name>
        <type>word</type>
    </item>
    <item>
        <id>3</id>
        <name>hage</name>
        <type>image</type>
    </item>
</items>

>>> from lxml import etree
>>> xml = etree.parse(open('test.xml', 'r'), parser=etree.XMLParser())
>>> xml
<etree._ElementTree object at 0x7406c0>

>>> #   ルートノード(items)を取ってくる。
>>> items = xml.getroot()
>>> items
<Element items at 7417b0>

>>> #   子要素(item)を取ってくる。
>>> items.getchildren()
[<Element item at 7417e0>, <Element item at 7418a0>, <Element item at 741840>]

>>> #   XPathで子要素(item)を取ってくる。
>>> items.xpath('./item')
[<Element item at 7417e0>, <Element item at 7418a0>, <Element item at 741840>]

>>> #   XPathで孫要素(name)のテキストを取ってくる。
>>> items.xpath('./item/name/text()')
['hoge', 'hige', 'hage']

>>> text = open('test.xml', 'r').read()
>>> items = etree.fromstring(text, parser=etree.XMLParser())
>>> items
<Element items at 7418a0>

>>> #   itemノードの１個目を文字列に。
>>> etree.tostring(items.xpath('./item')[0])
<item>
    <id>1</id>
    <name>hoge</name>
    <type>word</type>
</item>

>>> #   最後のitemノードに含まれるnameノードを文字列に。
>>> etree.tostring(items.xpath('./item[position()=last()]/name')[0])
<name>hage</name>

from django.db import models

class Oya(models.Model):
    body = models.TextField()

class Kodomo(models.Model):
    parent = models.ForeignKey(Oya)
    body = models.TextField()

BEGIN;
CREATE TABLE `hige_oya` (
    `id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY,
    `body` longtext NOT NULL
)
;
CREATE TABLE `hige_kodomo` (
    `id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY,
    `parent_id` integer NOT NULL REFERENCES `hige_oya` (`id`),
    `body` longtext NOT NULL
)
;

BEGIN;
CREATE TABLE `hige_oya` (
    `id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY,
    `body` longtext NOT NULL
)
;
CREATE TABLE `hige_kodomo` (
    `id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY,
    `parent_id` integer NOT NULL,
    `body` longtext NOT NULL
)
;
-- The following references should be added but depend on non-existent tables:
-- ALTER TABLE `hige_kodomo` ADD CONSTRAINT parent_id_refs_id_66492efa FOREIGN KEY (`parent_id`) REFERENCES `hige_oya` (`id`);
COMMIT;

mysql> SHOW CREATE TABLE `hige_kodomo`\G
*************************** 1. row ***************************
       Table: hige_kodomo
Create Table: CREATE TABLE `hige_kodomo` (
  `id` int(11) NOT NULL auto_increment,
  `parent_id` int(11) NOT NULL,
  `body` longtext NOT NULL,
  PRIMARY KEY  (`id`),
  KEY `hige_kodomo_parent_id` (`parent_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8
1 row in set (0.00 sec)

<input type="search"
       results="10"
       autosave="example.com">

>>> from django.utils.translation import ugettext, ugettext_lazy
>>> s = u'This field is required.'

>>> # ugettextだとこうなる。
>>> ugettext(s)
u'This field is required.'
>>> print ugettext(s)
This field is required.

>>> # ugettext_lazyだとこうなる。
>>> ugettext_lazy(s)
<django.utils.functional.__proxy__ object at 0x24a0270>
>>> print ugettext_lazy(s)
<django.utils.functional.__proxy__ object at 0x24a2330>

>>> lazy = ugettext_lazy(s)

>>> # unicodeしてみる。
>>> unicode(lazy)
u'This field is required.'
>>> print unicode(lazy)
This field is required.

>>> # encodeメソッドを呼んでみる。
>>> lazy.encode('utf-8')
>>> 'This field is required.'
>>> print lazy.encode('utf-8')
This field is required.

>>> # force_unicodeしてみる。
>>> from django.utils.encoding import force_unicode
>>> force_unicode(lazy)
u'This field is required.'
>>> print force_unicode(lazy)
This field is required.