_プログラミング教室_テキスト.pdf

͸͡Ίͯͷίϯϐϡʔλ ϓϩάϥϛϯάڭࣨ

εέδϡʔϧ ̍೔໨ ޕલ ΦϦΤϯςʔγϣϯ ࣗݾ঺հ ͜ͷڭࣨͰ࡞੒͢ΔϓϩάϥϜͷσϞ ·ͣ͸؆୯ͳϓϩάϥϜΛ࡞Ζ͏<TV[VNF> ϓϩάϥϜʹඞཁͳϑΝΠϧͷઆ໌ ޕޙ ໊લΛೖྗ͢ΔϓϩάϥϜΛ࡞Ζ͏<IBUP>
ϓϩάϥϜΛ࡞ΔͨΊͷجຊΛ஌Ζ͏ ΫΠζͷσʔλΛೖྗ͠Α͏ ̎೔໨ ޕલ ϓϩάϥϜͷಈ͖Λ஌Ζ͏ ΫΠζϓϩάϥϜΛ࡞Ζ͏ʢ̍ʣ<XBTIJ> )5.-Λ֮͑Α͏ ޕޙ ΫΠζϓϩάϥϜΛ࡞Ζ͏ʢ̎ʣ ײ૝ͷൃද

͜ͷڭࣨͷ໨త ΠϯλʔωοτͰಈ͘ϓϩάϥϜΛ ࡞੒͢Δํ๏Λֶश͠·͢

ڭࣨͷϧʔϧ 1.  Ͱ͖ͳ͍͜ͱ͸ஏ͔ͣ͘ͳ͍ –  Ͱ͖ͳͯ͘΋ஏ͔ͣ͋͘͠Γ·ͤΜɻΘ͔Βͳ ͔ͬͨΒݩؾΑ࣭͘໰͠Α͏ʂ 2.  ΈΜͳ͕ઌੜ
–  ͜ͷڭࣨͰ͸ΈΜͳ͕ઌੜͰ͢ɻΘ͔Βͳ͍ਓ ͕͍ͨΒੵۃతʹॿ͚·͠ΐ͏ɻ 3.  ਓલͰൃද͠Α͏ –  ਓͱΘ͔Γ͋͏ͨΊʹ͸ҙݟΛൃදͰ͖Δ͜ͱ͕ େ੾Ͱ͢ɻࣗ෼ͷҙݟΛੵۃతʹൃ৴͠Α͏ʂ

४උ࡞ۀ

[1-‐4-‐1] ୺຤ͷىಈ 画面左上の「Dashホーム」をクリック、検索に「teminal」と入力、下に表示された「端末」をダブルクリックします

[1-‐4-‐2] ४උͷ࡞ۀ   sudo apt-‐get update   sudo apt-‐get
install python-‐pip   sudo apt-‐get install sqlite3   sudo pip install django   django-‐admin.py startproject suzume   cd suzume   python manage.py runserver 端末の中に次のコマンドを入力します。

४උͷ࡞ۀ 画面左の「Firefox」を起動してアドレスに「127.0.0.1:8000」を入力してEnterを押す

࠷ॳͷϓϩάϥϜ

[2-‐1-‐1]৽͍͠ػೳͷ࡞੒ $ python manage.py startapp quiz 「quiz」という名前の新しい機能を作成します。

[2-‐1-‐2] suzume/seJngs.py ① 12.  DATABASES = { 13. 
'default': { 14.  'ENGINE': 'django.db.backends.sqlite3', 15.  'NAME': 'quiz.sqlite3', 16.  'USER': '', 17.  'PASSWORD': '', 18.  'HOST': '', 19.  'PORT': '’, 20.  } 21.  } ….. 32.  TIME_ZONE = 'Asia/Tokyo’ ….. 36.  LANGUAGE_CODE = 'ja-‐jp'

[2-‐1-‐3] suzume/seJngs.py ② 116.  INSTALLED_APPS = ( 117. 
'django.contrib.auth', 118.  'django.contrib.contenkypes', 119.  'django.contrib.sessions', 120.  'django.contrib.sites', 121.  'django.contrib.messages', 122.  'django.contrib.stalcﬁles', 123.  # Uncomment the next line to enable the admin: 124.  'django.contrib.admin', 125.  # Uncomment the next line to enable admin documentalon: 126.  # 'django.contrib.admindocs', 127.  'quiz’, 128.  )

[2-‐1-‐4] quiz/models.py 1.  # -‐*-‐ coding: uD-‐8 -‐*-‐ 2. 
from django.db import models 3.  4.  class Quiz(models.Model): 5.  quesNon = models.CharField('໰୊', max_length=255) 6.  answer01 = models.CharField('౴͑01', max_length=255) 7.  answer02 = models.CharField('౴͑02', max_length=255) 8.  answer03 = models.CharField('౴͑03', max_length=255) 9.  answer = models.IntegerField('ਖ਼ղ൪߸')

[2-‐1-‐5] σʔλϕʔεͷ࡞੒ σʔλϕʔεͷఆٛΛͨ͠ͷͰɺσʔλϕʔ εͷ࡞੒Λߦ͍·͢ɻ $ python manage.py syncdb

[2-‐2-‐1] quiz/admin.py 1.  from quiz.models import Quiz 2.  from
django.contrib import admin 3.  ɹ 4.  admin.site.register(Quiz)

[2-‐2-‐2] suzume/urls.py 1.  from django.conf.urls import pakerns, include, url
2.  3.  # Uncomment the next two lines to enable the admin: 4.  from django.contrib import admin 5.  admin.autodiscover() 6.  7.  urlpakerns = pakerns('', … 15.  # Uncomment the next line to enable the admin: 16.  url(r'^admin/', include(admin.site.urls)), 17.  )

[2-‐2-‐3] ࣮ߦͯ͠ΈΑ͏ ίϚϯυΛೖྗͯ͠ϒϥ΢βΛىಈ͠·͠ΐ͏ɻ ϒϥ΢βͷΞυϨεʹʮ127.0.0.1:8000/admin/ʯͱೖྗ͢Δͱσʔλͷೖྗ͕ Ͱ͖ΔΑ͏ʹͳΓ·͢ɻ $ python manage.py runserver

ʮ̋̋͞Μɺ͜Μʹͪ͸ʯ ϓϩάϥϜͷ࡞੒

[3-‐1-‐1]৽͍͠ϓϩδΣΫτͷ࡞੒ $ django-‐admin.py startproject hato $ cd hato
$ python manage.py startapp nameform $ mkdir templates 「hato」という名前の新しいプロジェクトを作成して、作業場所をhatoディレクトリにします。次に名前を入力する機能「nameform」を作成します。さらに画面を入れるフォルダ「templates」を作成します。

[3-‐1-‐2] ϑΥϧμߏ੒ hato　・・・　プロジェクトの設定をするフォルダ　　__init__.py　・・・　無視してOK 　　seJngs.py　・・・　プログラム全体の設定　　urls.py　・・・　プログラムの名前を書く
　　wsgi.py　・・・　無視してOK manage.py　・・・　管理コマンド nameform　・・・　機能を入れるフォルダ　　__init__.py　・・・　無視してOK 　　models.py　・・・　データベースの設定　　test.py　・・・　無視してOK 　　views.py　・・・　データベースと画面の処理 templates　・・・　画面のファイルを入れる

[3-‐1-‐3] suzume/seJngs.py ① 2.  import os ….. 32. 
TIME_ZONE = 'Asia/Tokyo’ ….. 36.  LANGUAGE_CODE = 'ja-‐jp’ ….. 111.  TEMPLATE_DIRS = ( 112.  # Put strings here, like "/home/html/django_templates" or "C:/www/django/ templates". 113.  # Always use forward slashes, even on Windows. 114.  # Don't forget to use absolute paths, not relalve paths. 115.  os.path.join(os.path.dirname(__ﬁle__), '..', 'templates').replace('\\','/'), 116.  )

[3-‐1-‐4] suzume/seJngs.py ② 116.  INSTALLED_APPS = ( 117. 
'django.contrib.auth', 118.  'django.contrib.contenkypes', 119.  'django.contrib.sessions', 120.  'django.contrib.sites', 121.  'django.contrib.messages', 122.  'django.contrib.stalcﬁles', 123.  # Uncomment the next line to enable the admin: 124.  # 'django.contrib.admin', 125.  # Uncomment the next line to enable admin documentalon: 126.  # 'django.contrib.admindocs', 127.  ’nameform’, 128.  )

[3-‐1-‐5] hato/urls.py 1.  from django.conf.urls import pakerns, include, url
2.  3.  urlpakerns = pakerns('', 4.  url(r'^$', 'nameform.views.index'), 5.  )

[3-‐2-‐1] ϑΥʔϜϑΝΠϧͷ࡞੒ 1.  ϗʔϜϑΥϧμʔͷࠨϖΠϯ͔Βʮhato-‐namefomʯΛબ୒ 2.  Ϛ΢εͷӈϘλϯΛΫϦοΫͯ͠ʮ৽͍͠υΩϡϝϯτͷ࡞ ੒ʔۭͷυΩϡϝϯτʯΛ࣮ߦ 3. 
ແ୊ͷυΩϡϝϯτΛʮforms.pyʯʹมߋ

[3-‐2-‐2] nameform/forms.py 1.  # -‐*-‐ coding: uu-‐8 -‐*-‐ 2. 
from django import forms 3.  4.  class MynameForm(forms.Form): 5.  myname = forms.CharField( 6.  label='あなたの名前は', 7.  max_length=20, 8.  help_text='（最大文字数２０文字）' 9.  )

[3-‐2-‐3] nameform/views.py 1.  # -‐*-‐ coding: uD-‐8 -‐*-‐ 2. 
from django.shortcuts import render_to_response 3.  from django.template import RequestContext 4.  from django.hap import HapResponse 5.  from nameform.forms import MynameForm 6.  7.  def index(request): 8.  9.  if request.method == 'POST': 10.  myname = request.POST.get('myname') 11.  massage = u'͜Μʹͪ͸ɺ' + myname + u'͞Μ' 12.  return HapResponse(massage) 13.  else: 14.  form = MynameForm() 15.  return render_to_response('form.html', { 16.  'from': form, 17.  }, context_instance=RequestContext(request))

[3-‐2-‐4] templates/form.html 1.  <form aclon="" method="POST">{% csrf_token %} 2. 
{{ from.as_p }} 3.  <input type="submit" value="࣮ߦ͢Δ"> 4.  </form>

[3-‐2-‐5] ࣮ߦͯ͠ΈΑ͏ ίϚϯυΛೖྗͯ͠ϒϥ΢βΛىಈ͠·͠ΐ͏ɻ ϒϥ΢βͷΞυϨεʹʮ127.0.0.1:8000/admin/ʯͱೖྗ͢Δͱσʔλͷೖྗ͕ Ͱ͖ΔΑ͏ʹͳΓ·͢ɻ $ python manage.py runserver

ϓϩάϥϜͷجຊ

[4-‐2-‐1] ม਺ たろうじろうさぶろうしろう変数はコンピュータの中に作る箱です。 •  箱はいくつでも作れます • 
箱は好きなもの（型）を好きなだけ入�れられます •  箱には名前をつけます

[4-‐2-‐2] ܕ 今日の天気は?? 1122334455 00..5544332211 22001133//0077//2299 1100,, 1155,, 2200,, 2244,,
1188

[4-‐2-‐3] ୅ೖͱࣜ 箱に型を入�れることを代入�と呼びます vvaalluuee == 2211++1144 vvaalluuee 「2211」と「＋」と「1144」を箱((vvaalluuee))に代入�と箱((vvaalluuee))には3355が入�ります。

[4-‐2-‐3] ൑அ 変数に何が入�っているかを確認するときに判断を利用します。変数AAに入�っている値は1100より大きい？大きかったら55を引く、少なかった55を足す iiff aa >> 1100::
aa == aa – 55 eellssee:: aa == aa ++ 55

[4-‐2-‐3] ܁Γฦ͠ 複数回同じ処理を繰り返すことをループと呼びます。 ggoouukkeeii == 00 ffoorr ii iinn
rraannggee((1100)) :: ggoouukkeeii == ggoouukkeeii ++ ii 00から99までを足します

[4-‐2-‐3] ॲཧ 式と判断と繰り返しを組分せせたものを処理と呼びます。 # 登録ブログのクロールを開始する for blog in blogs:
logging.info('-‐[' + str(blog.id) + ']' + blog.blog_ltle) now = datelme.datelme.now() blog.last_crawled = pytz.lmezone(seJngs.TIME_ZONE).localize(now) blog.save() # 各エントリーの取得 feeds = feedparser.parse(blog.blog_rss) for feed in feeds.entries: logging.info('-‐-‐-‐' + feed.ltle) # 日付のタイムゾーンを設定情報に合わせる dt = feed.updated_parsed update_date_local = datelme.datelme(dt[0], dt[1], dt[2], dt[3], dt[4]) update_date = pytz.lmezone(seJngs.TIME_ZONE).localize(update_date_local)

ΫΠζϓϩάϥϜͷ ࡞੒

[5-‐3-‐1] quiz/models.py 1.  # -‐*-‐ coding: uu-‐8 -‐*-‐ 2. 
from django.db import models 3.  4.  class Quiz(models.Model): 5.  6.  queslon = models.CharField(‘΋Μ͍ͩ', max_length=255 7.  answer01 = models.CharField(’ͨ͑͜01', max_length=255) 8.  answer02 = models.CharField(‘΋Μ͍ͩ02', max_length=255) 9.  answer03 = models.CharField(‘΋Μ͍ͩ03', max_length=255) 10.  answer = models.IntegerField(‘͍͔͍ͤ͹Μ͝͏') 11.  12.  def __unicode__(self): 13.  return self.queslon

[5-‐3-‐2] washi/urls.py 1.  # -‐*-‐ coding: uu-‐8 -‐*-‐ 2. 
from django.conf.urls import pakerns, include, url 3.  4.  # Uncomment the next two lines to enable the admin: 5.  from django.contrib import admin 6.  admin.autodiscover() 7.  8.  urlpakerns = pakerns('’, 9.  url(r'^$', 'quiz.views.home’), 10.  url(r'^start/', 'quiz.views.start'), 11.  url(r'^admin/', include(admin.site.urls)), 12.  )

[5-‐3-‐3] templates/home.html 1.  <h1>ϝχϡʔ</h1> 2.  <p> 3.  <a
href="/start/">࢝ΊΔ</a> 4.  </p> 5.  <p> 6.  <a href="/ranking/">ϥϯΩϯάΛݟΔ</a> 7.  </p>

[5-‐3-‐4] templates/home.html 1.  <form acNon="/quesNon/" method="POST">{% csrf_token %} 2. 
<p>͋ͳͨͷ໊લΛೖྗ͍ͯͩ͘͠͞</p> 3.  <input type="text" name="challenger" size="20" maxlength="20" /> 4.  <input type="hidden" name="quesNon_count" value="0" /> 5.  <input type="hidden" name="correct_count" value="0" /> 6.  <input type="submit" value="ΫΠζΛ࢝ΊΔ" /> 7.  </form>

[5-‐4-‐1] quiz/views.py 1.  # -‐*-‐ coding: uu-‐8 -‐*-‐ 2. 
from django.shortcuts import render_to_response 3.  from django.hkp import HkpResponse 4.  from django.template import RequestContext 5.  from quiz.models import Quiz 6.  import random 7.  8.  def home(request): 9.  return render_to_response('home.html', { 10.  }, context_instance=RequestContext(request)) 11.  12.  def start(request): 13.  return render_to_response('start.html', { 14.  }, context_instance=RequestContext(request))

from django.conf.urls import pakerns, include, url 3.  4.  # Uncomment the next two lines to enable the admin: 5.  from django.contrib import admin 6.  admin.autodiscover() 7.  8.  urlpakerns = pakerns('’, 9.  url(r'^$', 'quiz.views.home’), 10.  url(r'^start/', 'quiz.views.start'), 11.  url(r'^quesNon/', 'quiz.views.quesNon'), 12.  url(r'^admin/', include(admin.site.urls)), 13.  )

[5-‐6-‐1] templates/queslon.html 1.  <form aclon="/check/" method="POST">{% csrf_token %} 2. 
<input type="hidden" name="queslon_id" value="{{ queslon_id }}" /> 3.  <input type="hidden" name="challenger" value="{{ challenger }}" /> 4.  <input type="hidden" name="queslon_count" value="{{ queslon_count }}" /> 5.  <input type="hidden" name="correct_count" value="{{ correct_count }}" /> 6.  <p>{{ challenger }}͞Μɺ͕Μ͹Εʂ</p> 7.  <p>{{ queslon_count }}໰໨ 8.  <h1>໰୊ɿ{{ queslon }}</h1> 9.  ղ౴ 10.  <ol> 11.  <li>{{ answer1 }}</li> 12.  <li>{{ answer2 }}</li> 13.  <li>{{ answer3 }}</li> 14.  </ol>

[5-‐6-‐2] templates/queslon.html 15.  <input type="text" name="input_answer" size="5" maxlength="1" />
16.  <input type="submit" value="౴͑Δ" /> 17.  </form>

[5-‐6-‐3] quiz/views.py 1.  def queslon(request): 2. 
if request.method == 'POST': 3.  # ໰୊ͷऔಘ 4.  record_count = Quiz.objects.count() 5.  get_id = random.randint(1, record_count) 6.  record = Quiz.objects.get(pk=get_id) 7.  # -‐-‐ ௅ઓऀ໊ 8.  challenger = request.POST.get('challenger', '') 9.  # -‐-‐ Կ໰໨͔ 10.  queslon_count = int(request.POST.get('queslon_count', '')) 11.  queslon_count = queslon_count + 1 12.  # -‐-‐ ਖ਼ղ਺ 13.  correct_count = request.POST.get('correct_count', '’)

[5-‐6-‐4] quiz/views.py 1. 
# -‐-‐ ໰୊ͷID 2.  queslon_id = record.id 3.  # -‐-‐ දࣔ͢Δ໰୊ͱղ౴܈ 4.  queslon = record.queslon 5.  answer01 = record.answer01 6.  answer02 = record.answer02 7.  answer03 = record.answer03 8.  9.  return render_to_response('queslon.html', { 10.  # -‐-‐ νϟϨϯδͷ࠷ޙ·Ͱอ༗͢Δ஋ 11.  'queslon_count': queslon_count, 12.  'correct_count': correct_count, 13.  'challenger': challenger,

# -‐-‐ ਖ਼ղͷνΣοΫ·Ͱอ༗͢Δ஋ 2.  'queslon_id': queslon_id, 3.  # -‐-‐ ͦͷଞͷ஋ 4.  'queslon': queslon, 5.  'answer1': answer01, 6.  'answer2': answer02, 7.  'answer3': answer03, 8.  }, context_instance=RequestContext(request)) 9.  10.  else: 11.  massage = u'௅ઓऀ໊͕ઃఆ͞Ε͍ͯ·ͤΜɻ’ 12.  return HkpResponse(massage)

[5-‐6-‐6] templates/check.html 1.  <form aclon="/queslon/" method="POST">{% csrf_token %} 2. 
<input type="hidden" name="challenger" value="{{ challenger }}" /> 3.  <input type="hidden" name="queslon_count" value="{{ queslon_count }}" /> 4.  <input type="hidden" name="correct_count" value="{{ correct_count }}" /> 5.  <input type="submit" value="࣍ͷ໰୊ʹਐΉ" /> 6.  </form>

[5-‐6-‐7] quiz/views.py 1.  def check(request): 2. 
if request.method == 'POST': 3.  # -‐-‐ ௅ઓऀ໊ 4.  challenger = request.POST.get('challenger', '') 5.  # -‐-‐ Կ໰໨͔ 6.  queslon_count = int(request.POST.get('queslon_count', '')) 7.  # -‐-‐ ਖ਼ղ਺ 8.  correct_count = int(request.POST.get('correct_count', '')) 9.  # -‐-‐ ೖྗ͞Εͨ౴ 10.  input_answer = int(request.POST.get('input_answer', '')) 11.  # -‐-‐ ໰୊ͷਖ਼ղͷऔಘ 12.  queslon_id = request.POST.get('queslon_id', '') 13.  record = Quiz.objects.get(pk=queslon_id) 14.  answer = int(record.answer)

# -‐-‐ ਖ਼ղͷνΣοΫ 2.  if input_answer == answer: 3.  correct_count = correct_count + 1 4.  message = u'͍͢͝ʂਖ਼ղͰ͢ʂʂ' 5.  else: 6.  message = u'͟ΜͶΜʂෆਖ਼ղͰ͢ʂʂ' 7.  8.  if queslon_count == 5: 9.  # -‐-‐ ϥϯΩϯάσʔλͷอଘ 10.  histry = Histry(name=challenger, points=correct_count) 11.  histry.save() 12.  return render_to_response('ﬁnish.html', { 13.  # -‐-‐ νϟϨϯδͷ࠷ޙ·Ͱอ༗͢Δ஋ 14.  'correct_count': correct_count, 15.  'challenger': challenger, 16.  }, context_instance=RequestContext(request))

else: 2.  return render_to_response('check.html', { 3.  # -‐-‐ νϟϨϯδͷ࠷ޙ·Ͱอ༗͢Δ஋ 4.  'queslon_count': queslon_count, 5.  'correct_count': correct_count, 6.  'challenger': challenger, 7.  # -‐-‐ ਖ਼ղɺෆਖ਼ղͷϝοηʔδ 8.  'message': message, 9.  }, context_instance=RequestContext(request)) 10.  11.  else: 12.  massage = u'௅ઓऀ໊͕ઃఆ͞Ε͍ͯ·ͤΜɻ' 13.  return HkpResponse(massage)

from django.conf.urls import pakerns, include, url 3.  4.  # Uncomment the next two lines to enable the admin: 5.  from django.contrib import admin 6.  admin.autodiscover() 7.  8.  urlpakerns = pakerns('’, 9.  url(r'^$', 'quiz.views.home'), 10.  url(r'^start/', 'quiz.views.start'), 11.  url(r'^queslon/', 'quiz.views.queslon'), 12.  url(r'^check/', 'quiz.views.check'), 13.  url(r'^ranking/', 'quiz.views.ranking'), 14.  url(r'^admin/', include(admin.site.urls)), 15.  )

[5-‐7-‐1] quiz/views.py 1.  def ranking(request): 2.  persons =
Histry.objects.all().order_by('-‐points')[:10] 3.  return render_to_response('ranking.html', { 4.  'persons':persons, 5.  }, context_instance=RequestContext(request))

[5-‐7-‐2] templates/ranking.html 1.  <h1>ಘ఺ϥϯΩϯά</h1> 2.  <ol> 3.  {%
for person in persons %} 4.  <li>{{ person.name }}͞Μ-‐ {{ person.points }}఺</li> 5.  {% endfor %} 6.  </ol>

༻ޠ •  σʔλϕʔε –  σʔλΛอ؅͢ΔͨΊͷϓϩάϥϜɻσʔλϕʔεอ؅͢Δͱσʔλͷ औΓग़͕͠؆୯ʹͳΔɻ •  Python
–  ϓϩάϥϛϯάݴޠɻϓϩάϥϜΛ࡞੒͢ΔͨΊͷݴ༿ɻPythonͷଞʹ ΋PHP΍JAVA౳͕͋Δɻ •  Django –  ϓϩάϥϛϯάϑϨʔϜϫʔΫɻϓϩάϥϜΛ؆୯ʹͭΔͨ͘Ίͷಓ۩ɻ •  ΤσΟλ –  จࣈΛೖྗ͢ΔͨΊͷϓϩάϥϜɻ •  Terminalʢ୺຤ʣ –  ίϯϐϡʔλʹ໋ྩΛೖྗ͢ΔͨΊͷϓϩάϥϜɻ •  WEBϒϥ΢β –  ΠϯλʔωοτΛݟΔͨΊͷϓϩάϥϜɻ

TIPS •  ΞϧϑΝϕοτͱ׽ࣈͷ੾Γସ͑ – [CTRL]Λԡ͠ͳ͕Β[SPACE]Λԡ͢

͜ͷڭࣨͰར༻ͨ͠ιϑτ •  OS – Ubuntu Desktoo ೔ຊޠRemix 12.04
•  σʔλϕʔε – sqlite3 3.7.9 •  ϓϩάϥϜݴޠ– Python 2.7.4 •  ϑϨʔϜϫʔΫ– Django 1.5.1

_プログラミング教室_テキスト.pdf

_プログラミング教室_テキスト.pdf

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