Python
pip

Python pip でモジュールインストールした時のError

Python 始めました。

pythonなにかといいらしいので、勉強してみた機械学習AI Googleご愛用とか単価とか...

なのでClass を作成して学ぶ

Pythonでclassを作ってみる。

stu.py
'''
Study class 2017/9/3
create keisuke yamagishi
'''
class Study:

    def __init__(self, name, age):
        self.name = name
        self.age = age

    def callName(self):
        return self.name

    def callAge(self):
        return self.age

stu = Study("qiita", 24)

print stu.callName()
print stu.callAge()

出力結果
->> python stu.py 
qiita
24

こんな感じで、出力されます。

コンストラクターに値を渡してその値がきちんと反映されているのが確認できます。

PythonでHttp 通信してみる =====>> [::]

study.py
import requests

class Study:

    def __init__(self,dns="https://google.com"):
        self.dns = dns

    def outputDns(self):
        print "Request: -> %s" % self.dns

    def requestGoogle(self):
        res = requests.get(self.dns)
        print (res)
        print (res.text)

s = Study()
# google Http request
s.outputDns()
s.requestGoogle()

*** ImportError: No module named request ****

上記エラーが出ましたので、pipにてインストール

pip install requests
Collecting requests
  Downloading requests-2.18.4-py2.py3-none-any.whl (88kB)
    100% |████████████████████████████████| 92kB 1.3MB/s 
Collecting idna<2.7,>=2.5 (from requests)
  Downloading idna-2.6-py2.py3-none-any.whl (56kB)
    100% |████████████████████████████████| 61kB 1.5MB/s 
Collecting urllib3<1.23,>=1.21.1 (from requests)
  Downloading urllib3-1.22-py2.py3-none-any.whl (132kB)
    100% |████████████████████████████████| 133kB 892kB/s 
Collecting certifi>=2017.4.17 (from requests)
  Downloading certifi-2017.7.27.1-py2.py3-none-any.whl (349kB)
    100% |████████████████████████████████| 358kB 1.1MB/s 
Collecting chardet<3.1.0,>=3.0.2 (from requests)
  Downloading chardet-3.0.4-py2.py3-none-any.whl (133kB)
    100% |████████████████████████████████| 143kB 2.1MB/s 
Installing collected packages: idna, urllib3, certifi, chardet, requests
Exception:
Traceback (most recent call last):
  File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/basecommand.py", line 215, in main
    status = self.run(options, args)
  File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/commands/install.py", line 342, in run
    prefix=options.prefix_path,
  File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/req/req_set.py", line 784, in install
    **kwargs
  File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/req/req_install.py", line 851, in install
    self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
  File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/req/req_install.py", line 1064, in move_wheel_files
    isolated=self.isolated,
  File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/wheel.py", line 345, in move_wheel_files
    clobber(source, lib_dir, True)
  File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/wheel.py", line 316, in clobber
    ensure_dir(destdir)
  File "/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg/pip/utils/__init__.py", line 83, in ensure_dir
    os.makedirs(path)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 157, in makedirs
    mkdir(name, mode)
OSError: [Errno 13] Permission denied: '/Library/Python/2.7/site-packages/idna'

むむむっ!

でましたぞ!!!

Permission denied: 左記エラーがてます!

なので、、、

sudoつけてみた、、、

sudo pip install requests

The directory '/Users/shichimi/Library/Caches/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
The directory '/Users/shichimi/Library/Caches/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Collecting requests
  Downloading requests-2.18.4-py2.py3-none-any.whl (88kB)
    100% |████████████████████████████████| 92kB 2.0MB/s 
Collecting idna<2.7,>=2.5 (from requests)
  Downloading idna-2.6-py2.py3-none-any.whl (56kB)
    100% |████████████████████████████████| 61kB 4.9MB/s 
Collecting urllib3<1.23,>=1.21.1 (from requests)
  Downloading urllib3-1.22-py2.py3-none-any.whl (132kB)
    100% |████████████████████████████████| 133kB 3.1MB/s 
Collecting certifi>=2017.4.17 (from requests)
  Downloading certifi-2017.7.27.1-py2.py3-none-any.whl (349kB)
    100% |████████████████████████████████| 358kB 1.5MB/s 
Collecting chardet<3.1.0,>=3.0.2 (from requests)
  Downloading chardet-3.0.4-py2.py3-none-any.whl (133kB)
    100% |████████████████████████████████| 143kB 2.5MB/s 
Installing collected packages: idna, urllib3, certifi, chardet, requests
Successfully installed certifi-2017.7.27.1 chardet-3.0.4 idna-2.6 requests-2.18.4 urllib3-1.22

成功しました。

そして先ほどのPythonを実行

study.py
->> python study.py
Request: -> https://google.com
<Response [200]>
<!doctype html><html itemscope="" itemtype="http://schema.org/WebPage" lang="ja"><head><meta content="世界中のあらゆる情報を検索するためのツールを提供しています。さまざまな検索機能を活用して、お探しの情報を見つけてください。" name="description"><meta content="noodp" name="robots"><meta content="text/html; charset=UTF-8" http-equiv="Content-Type"><meta content="/images/branding/googleg/1x/googleg_standard_color_128dp.png" itemprop="image"><title>Google</title><script>(function(){window.google={kEI:'UaerWYOEBsv98QX6-JGgCg',kEXPI:'1353383,1353746,1354277,1354297,1354401,1354620,1354625,1354664,1354701,1354748,1354875,1354915,1355158,1355173,1355220,3700301,3700407,3700476,4029815,4031109,4043492,4045841,4048347,4063220,4072777,4076998,4078430,4081039,4081164,4083113,4093313,4095910,4097153,4097469,4097922,4097929,4098733,4098740,4098752,4102109,4102239,4103475,4103861,4104037,4104258,4105114,4105240,4107555,4108458,4109316,4109490,4110115,4110656,4113217,4114574,4115219,4115290,4116244,4116349,4116724,4116731,4116926,4116935,4117980,4118103,4118227,4118627,4118634,4118798,4119121,4119272,4119740,4120285,4120415,4120916,4121035,4121205,4121495,4122262,4122382,4123644,4123862,4124411,4124850,4125209,4125371,4125477,4125837,4125961,4125999,4126200,4126965,4127377,4127391,4127473,4127538,4127728,4128396,4128920,4129308,4129402,4129516,4129843,4129951,10200084,10200095,19003472,19003505,19003509,19003525,19003530,19003531,19003533,19003534',authuser:0,kscs:'c9c918f0_41',u:'c9c918f0'};google.kHL='ja';})();(function(){google.lc=[];google.li=0;google.getEI=function(a){for(var b;a&&(!a.getAttribute||!(b=a.getAttribute("eid")));)a=a.parentNode;return b||google.kEI};google.getLEI=function(a){for(var b=null;a&&(!a.getAttribute||!(b=a.getAttribute("leid")));)a=a.parentNode;return b};google.https=function(){return"https:"==window.location.protocol};google.ml=function(){return null};google.wl=function(a,b){try{google.ml(Error(a),!1,b)}catch(c){}};google.time=function(){return(new Date).getTime()};google.log=function(a,b,c,d,g){if(a=google.logUrl(a,b,c,d,g)){b=new Image;var e=google.lc,f=google.li;e[f]=b;b.onerror=b.onload=b.onabort=function(){delete e[f]};google.vel&&google.vel.lu&&google.vel.lu(a);b.src=a;google.li=f+1}};google.logUrl=function(a,b,c,d,g){var e="",f=google.ls||"";c||-1!=b.search("&ei=")||(e="&ei="+google.getEI(d),-1==b.search("&lei=")&&(d=google.getLEI(d))&&(e+="&lei="+d));d="";!c&&google.cached&&-1==b.search("&cached=")&&(d="&cached="+google.cached);a=c||"/"+(g||"gen_204")+"?atyp=i&ct="+a+"&cad="+b+e+f+"&zx="+google.time()+d;/^http:/i.test(a)&&google.https()&&(google.ml(Error("a"),!1,{src:a,glmm:1}),a="");return a};google.y={};google.x=function(a,b){if(a)var c=a.id;else{do c=Math.random();while(google.y[c])}google.y[c]=[a,b];return!1};google.lq=[];google.load=function(a,b,c){google.lq.push([[a],b,c])};google.loadAll=function(a,b){google.lq.push([a,b])};}).call(this);google.f={};var a=window.location,b=a.href.indexOf("#");if(0<=b){var c=a.href.substring(b+1);/(^|&)q=/.test(c)&&-1==c.indexOf("#")&&a.replace("/search?"+c.replace(/(^|&)fp=[^&]*/g,"")+"&cad=h")};</script><style>#gbar,#guser{font-size:13px;padding-top:1px !important;}#gbar{height:22px}#guser{padding-bottom:7px !important;text-align:right}.gbh,.gbd{border-top:1px solid #c9d7f1;font-size:1px}.gbh{height:0;position:absolute;top:24px;width:100%}@media all{.gb1{height:22px;margin-right:.5em;vertical-align:top}#gbar{float:left}}a.gb1,a.gb4{text-decoration:underline !important}a.gb1,a.gb4{color:#00c !important}.gbi .gb4{color:#dd8e27 !important}.gbf .gb4{color:#900 !important}
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できました、これからPython始めます。