使用Python编写一个在Linux下实现截图分享的脚本的教程

#!/usr/bin/env python
# -*- coding:utf-8 -*-
#
# Author : cold
# E-mail : wh_linux@126.com
# Date : 13/01/21 09:54:39
# Desc : 贴代码和图片
#
import urllib2, json
import mimetools
import mimetypes
import itertools

__host__ = "http://eleveni386.7axu.com"

class Form(object):
 def __init__(self):
 self.form_fields = []
 self.files = []
 self.boundary = mimetools.choose_boundary()
 self.content_type = "application/x-www-form-urlencoded"
 return

 def get_content_type(self):
 return self.content_type

 def add_field(self, name, value):
 self.form_fields.append((name, value))
 return

 def add_file(self, fieldname, filename, fileHandle, mimetype=None):
 body = fileHandle.read()
 if mimetype is None:
 mimetype = ( mimetypes.guess_type(filename)[0]
 or
 'applicatioin/octet-stream')
 self.files.append((fieldname, filename, mimetype, body))
 self.content_type = 'multipart/form-data; boundary=%s' % self.boundary

 return

 def __str__(self):
 parts = []
 part_boundary = '--' + self.boundary

 parts.extend(
 [ part_boundary,
 'Content-Disposition: form-data; name="%s"' % name,
 '',
 value,
 ]
 for name, value in self.form_fields)
 if self.files:
 parts.extend([
 part_boundary,
 'Content-Disposition: form-data; name="%s"; filename="%s"' %
 (field_name, filename),
 'Content-Type: %s' % content_type,
 '',
 body,
 ] for field_name, filename, content_type, body in self.files)

 flattened = list(itertools.chain(*parts))
 flattened.append('--' + self.boundary + '--')
 flattened.append('')
 return '
'.join(flattened)


class HttpHelper(object):
 def __init__(self, url = None, form = None, method = 'GET'):
 self._url = url
 self._form = form
 self._body = str(form)
 self._method = method
 self._dst_url = None
 if url:
 self.make_request()

 def make_request(self):
 url = self._url
 if not self._url.startswith('http://'):
 url = 'http://' + self._url
 self.request = urllib2.Request(url)
 if self._form:
 self.add_header("Content-Type", self._form.get_content_type())
 self.add_header("Content-Length", len(self._body))
 self.request.add_data(self._body)

 def add_header(self, key, val):
 self.request.add_header(key, val)

 def change(self, url, params = {}, method = 'GET'):
 self._url = url
 self._params = params
 self._method = method
 self.make_request()

 def open(self):
 response = urllib2.urlopen(self.request)
 content = response.read()
 self._dst_url = response.geturl()
 try:
 return json.loads(content)
 except:
 return content

if __name__ == "__main__":
 import argparse
 import os
 parser = argparse.ArgumentParser()
 parser.add_argument(dest="path", nargs="?")
 args = parser.parse_args()
 if args.path:
 path = args.path
 else:
 path = r"/tmp/tmpscrot.png"
 os.system("scrot -s {0}".format(path))
 form = Form()
 filename = os.path.split(path)[-1]
 form.add_file(fieldname='mypic', filename=filename,
 fileHandle=open(path))
 http = HttpHelper( __host__ + '/Image/', form)
 url = http.open()
 try:
 from PyQt4.QtGui import QApplication
 app = QApplication([])
 cb = QApplication.clipboard()
 cb.setText(url)
 except:
 print url