sudo pip install requests
Password:
The directory '/Users/jingruijiaoyu/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/jingruijiaoyu/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-2.18.1-py2.py3-none-any.whl (88kB)
100% |████████████████████████████████| 92kB 32kB/s 
Collecting urllib3<1.22,>=1.21.1 (from requests)
Downloading urllib3-1.21.1-py2.py3-none-any.whl (131kB)
100% |████████████████████████████████| 133kB 31kB/s 
Collecting idna<2.6,>=2.5 (from requests)
Downloading idna-2.5-py2.py3-none-any.whl (55kB)
100% |████████████████████████████████| 61kB 35kB/s 
Requirement already satisfied: certifi>=2017.4.17 in /Library/Python/2.7/site-packages/certifi-2017.4.17-py2.7.egg (from requests)
Collecting chardet<3.1.0,>=3.0.2 (from requests)
Downloading chardet-3.0.4-py2.py3-none-any.whl (133kB)
100% |████████████████████████████████| 143kB 18kB/s 
Installing collected packages: urllib3, idna, chardet, requests
Successfully installed chardet-3.0.4 idna-2.5 requests-2.18.1 urllib3-1.21.1

>>> import time
>>> import requests
>>> def downloads_pic(pic_name):
...     url = 'http://smart.gzeis.edu.cn:8081/Content/AuthCode.aspx'
...     res = requests.get(url,stream=True)
...     with open('/Users/jrjy/Desktop/pic/%s.jpg'%(pic_name),'wb') as f:
... ...         for chunk in res.iter_content(chunk_size=1024):
...                     if chunk:
...                             f.write(chunk)
...                             f.flush()
...             f.close()
... 
>>> 
>>> if __name__ == '__main__':
...     for i in range(300):
...             pic_name = int(time.time()*1000000))
File "<stdin>", line 3
pic_name = int(time.time()*1000000))
^
SyntaxError: invalid syntax
>>>             pic_name = int(time.time()*1000000)
File "<stdin>", line 1
pic_name = int(time.time()*1000000)
^
IndentationError: unexpected indent
>>> if __name__ == '__main__':
...     for i in range(300):
...             pic_name = int(time.time()*1000000)
...             downloads_pic(pic_name)

sudo pip install image
Password:
The directory '/Users/jingruijiaoyu/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/jingruijiaoyu/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 image
Downloading image-1.5.5.tar.gz
Collecting pillow (from image)
Downloading Pillow-4.1.1-cp27-cp27m-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl (3.5MB)
100% |████████████████████████████████| 3.5MB 7.8kB/s 
Collecting django (from image)
Downloading Django-1.11.2-py2.py3-none-any.whl (6.9MB)
100% |████████████████████████████████| 7.0MB 21kB/s 
Collecting olefile (from pillow->image)
Downloading olefile-0.44.zip (74kB)
100% |████████████████████████████████| 81kB 28kB/s 
Requirement already satisfied: pytz in /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python (from django->image)
Installing collected packages: olefile, pillow, django, image
Running setup.py install for olefile ... done
Running setup.py install for image ... done
Successfully installed django-1.11.2 image-1.5.5 olefile-0.44 pillow-4.1.1

>>> import os
>>> import os.path
>>> from PIL import Image
>>> from PIL import ImageFilter
>>> from PIL import ImageEnhance
>>> import time
>>> def setment(im):
...     s = 2   
...     w = 14
...     h = 20
...     t = 0
...     im_new = []
...     for i in range(4):
...             im1 = im.crop((s+w*i,t,s+w*(i+1),h))
...             im_new.append(im1)
...     return im_new
...     
>>> def imgTransfer(f_name):
...     im = Image.open(f_name)
...     im = im.filter(ImageFilter.MedianFilter())
...     enhancer = ImageEnhance.Contrast(im)
...     im = enhancer.enhance(1)
...     im = im.convert('L')
...     return im
... 
>>> def cutPictures(img):
...     im = imgTransfer(img):
File "<stdin>", line 2
im = imgTransfer(img):
^
SyntaxError: invalid syntax
>>> def cutPictures(img):
...     im = imgTransfer(img)
...     pics = segment(im)
...     for pic in pics:
...             pic.save('/Users/jrjy/Desktop/test/%s.jpg'%(int(time.time()*1000000)),'jpeg')
... 
>>> rootdir = u'/Users/jrjy/Desktop/pic'
>>> for parent,dirnames,filenames in os.walk(rootdir):
...     for filename in filenames:
...             print "filename is :"+filename
...             print "parent is :"+parent
...             print "the full name is:"+os.path.join(parent,filename)
...             cutPictures(os.path.join(parent,filename))
... 
filename is :1498026748366736.jpg
parent is :/Users/jrjy/Desktop/pic
the full name is:/Users/jrjy/Desktop/pic/1498026748366736.jpg
Traceback (most recent call last):
File "<stdin>", line 6, in <module>
File "<stdin>", line 3, in cutPictures
NameError: global name 'segment' is not defined
>>> def cutPictures(img):
...     im = imgTransfer(img)
...     pics = setment(im)
...      for pic in pics:
File "<stdin>", line 4
for pic in pics:
^
IndentationError: unexpected indent
>>>     
>>> def cutPictures(img):
...     im = imgTransfer(img)
...     pics = setment(im)
...     for pic in pics:
...             pic.save('/Users/jrjy/Desktop/test/%s.jpg'%(int(time.time()*1000000)),'jpeg')
... 
>>> rootdir = u'/Users/jrjy/Desktop/pic'
>>> for parent,dirnames,filenames in os.walk(rootdir):
...     for filename in filenames:
...             cutPictures(os.path.join(parent,filename))