H1B Ext SO RFE 终于批了

H1B 第一次延期
3月6号提交，F记律师忘了PP4月30号补PP
5月2号收件
5月7号要求RFE
5月14号律师通知 RFE 为 SO
开始准备材料
7月18号提交回复
7月19号收件
7月23号通过

漫长的4个半月，总算熬过来了。期间改了个 Python 3 的脚本，定期扫状态，有变更发邮件，算是第一时间收到消息。

1. from pyquery import PyQuery as pq
   
2. import requests
   
3. import smtplib
   
4. import os
   
5. import sys
   
6. import os.path
   
7. import re
   
8. from email.mime.multipart import MIMEMultipart
   
9. from email.mime.base import MIMEBase
   
10. from email.mime.text import MIMEText
    
11. from email.utils import COMMASPACE, formatdate
    
12. from email import encoders
    
13. from optparse import OptionParser
    
14. from datetime import datetime, date
    
15. 
    
16. STATUS_OK = 0
    
17. STATUS_ERROR = -1
    
18. FILENAME_LASTSTATUS = os.path.join(sys.path[0], "LAST_STATUS_{0}.txt")
    
19. 
    
20. # ----------------- SETTINGS -------------------
    
21. # set up your email sender here
    
22. # example settings: (if you use gmail)
    
23. # email: [email]myname@gmail.com[/email]
    
24. # password: xxxx
    
25. # smtpserver: smtp.gmail.com:587
    
26. EMAIL_NOTICE_SENDER = {"email": "", "password": "", "smtpserver": ""}
    
27. 
    
28. 
    
29. def poll_optstatus(casenumber):
    
30.     """
    
31.     poll USCIS case status given receipt number (casenumber)
    
32.     Args:
    
33.         param1: casenumber the case receipt number
    
34. 
    
35.     Returns:
    
36.         a tuple (status, details) containing status and detailed info
    
37.     Raise:
    
38.         error:
    
39.     """
    
40.     headers = {
    
41.         'Accept': 'text/html, application/xhtml+xml, image/jxr, */*',
    
42.         'Accept-Encoding': 'gzip, deflate',
    
43.         'Accept-Language':
    
44.         'en-US, en; q=0.8, zh-Hans-CN; q=0.5, zh-Hans; q=0.3',
    
45.         'Cache-Control': 'no-cache',
    
46.         'Connection': 'Keep-Alive',
    
47.         'Content-Type': 'application/x-www-form-urlencoded',
    
48.         'Host': 'egov.uscis.gov',
    
49.         'Referer': 'https://egov.uscis.gov/casestatus/mycasestatus.do',
    
50.         'User-Agent':
    
51.         'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2486.0 Safari/537.36 Edge/13.10586'
    
52.     }
    
53.     url = "https://egov.uscis.gov/casestatus/mycasestatus.do"
    
54.     data = {"appReceiptNum": casenumber, 'caseStatusSearchBtn': 'CHECK+STATUS'}
    
55. 
    
56.     res = requests.post(url, data=data, headers=headers)
    
57.     doc = pq(res.text)
    
58.     status = doc('h1').text()
    
59.     code = STATUS_OK if status else STATUS_ERROR
    
60.     details = doc('.text-center p').text()
    
61.     return (code, status, details)
    
62. 
    
63. 
    
64. def send_mail(sentfrom,
    
65.               to,
    
66.               subject="nil",
    
67.               text="",
    
68.               files=[],
    
69.               server=EMAIL_NOTICE_SENDER['smtpserver'],
    
70.               user=EMAIL_NOTICE_SENDER['email'],
    
71.               password=EMAIL_NOTICE_SENDER['password']):
    
72.     "send email to a list of receivers"
    
73.     assert type(to) == list
    
74.     assert type(files) == list
    
75.     # get email settings
    
76.     if not (server and user and password):
    
77.         raise LookupError("Invalid email sending settings")
    
78.     msg = MIMEMultipart()
    
79.     msg['From'] = sentfrom
    
80.     msg['To'] = COMMASPACE.join(to)
    
81.     msg['Date'] = formatdate(localtime=True)
    
82.     msg['Subject'] = subject
    
83. 
    
84.     msg.attach(MIMEText(text))
    
85. 
    .
86.     for f in files:
    
87.         part = MIMEBase('application', "octet-stream")
    
88.         part.set_payload(open(f, 'rb').read())
    
89.         encoders.encode_base64(part)
    
90.         part.add_header('Content-Disposition',
    
91.                         'attachment; filename="%s"' % os.path.basename(f))
    
92.         msg.attach(part)
    
93.     try:
    
94.         smtp_s = smtplib.SMTP(server)
    
95.         smtp_s.ehlo()
    
96.         smtp_s.starttls()
    
97.         smtp_s.login(user, password)
    
98.         smtp_s.sendmail(sentfrom, to, msg.as_string())
    
99.         smtp_s.close()
    
100.         print("successfully sent the mail !")
     
101.     except Exception as e:
     
102.         print("failed to send a mail")
     
103.         print(str(e))
     
104. 
     
105. 
     
106. def on_status_fetch(status, casenumber):
     
107.     """
     
108.     fetch status and update last_status record file,
     
109.     or create it if it doesn't exist
     
110.     Returns:
     
111.         changed flag indicating if status has changed since last time and last status
     
112.         (changed, last_status)
     
113.         If no prior history is available, then return (False, None)
     
114.     """
     
115.     # normalize
     
116.     status = status.strip()
     
117.     record_filepath = FILENAME_LASTSTATUS.format(casenumber)
     
118.     changed = False
     
119.     last_status = None
     
120.     if not os.path.exists(record_filepath):
     
121.         with open(record_filepath, 'w') as f:
     
122.             f.write(status)
     
123.     # there is prior status, read it and compare with current
     
124.     else:
     .
125.         with open(record_filepath, 'r+') as f:
     
126.             last_status = f.read().strip()
     
127.             # update status on difference
     
128.             if status != last_status:
     
129.                 changed = True
     
130.                 f.seek(0)
     
131.                 f.truncate()
     
132.                 f.write(status)
     
133.     return (changed, last_status)
     
134. 
     
135. 
     
136. def main():
     
137.     def get_days_since_received(status_detail):
     
138.         "parse case status and computes number of days elapsed since case-received"
     
139.         date_regex = re.compile(r'^On (\w+ +\d+, \d{4}), .*')
     
140.         m = date_regex.match(status_detail)
     
141.         datestr = m.group(1)
     
142.         if not datestr:
     
143.             return -1
     
144.         recv_date = datetime.strptime(datestr, "%B %d, %Y").date()
     
145.         today = date.today()
     
146.         span = (today - recv_date).days
     
147.         return span
     
148. 
     
149.     usage = """
     
150.     usage: %prog -c <case_number> [options]
     
151.     """
     
152.     parser = OptionParser(usage=usage)
     
153.     parser.add_option(
     
154.         '-c',
     
155.         '--casenumber',
     
156.         type='string',
     
157.         action='store',
     
158.         dest='casenumber',
     
159.         default='YSC1790016391',
     
160.         help='the USCIS case receipt number you can to query')
     
161.     parser.add_option(
     
162.         '-d',
     
163.         '--detail',
     
164.         action='store_true',
     
165.         dest='detailOn',
     
166.         help="request details about the status returned")
     
167.     parser.add_option(
     
168.         '--mailto',
     
169.         action='store',
     
170.         dest='receivers',
     
171.         help=(
     
172.             "optionally add one or more emails addresses, separated by comma,"
     
173.             " to send the notification mail to"))
     
174.     opts, args = parser.parse_args()
     
175.     casenumber = opts.casenumber
     
176.     if not casenumber:
     
177.         raise parser.error("No casenumber is provided")
     
178.     # poll status
     . 1point 3 acres
179.     code, status, detail = poll_optstatus(casenumber)
     
180.     if code == STATUS_ERROR:
     
181.         print("The case number %s is invalid." % casenumber)
     
182.         return
     
183.     # report format
     
184.     report_format = ("-------  Your USCIS Case [{0}]---------"
     
185.                      "\nCurrent Status: [{1}]"
     
186.                      "\nDays since received: [{2}]")
     . 1point3acres.com
187.     days_elapsed = get_days_since_received(detail)
     
188. 
     
189.     report = report_format.format(casenumber, status, days_elapsed)
     
190.     # compare with last status
     
191.     changed, laststatus = on_status_fetch(status, casenumber)
     
192.     # generate report
     
193.     report = '\n'.join(
     
194.         [report, "Previous Status:%s \nChanged: %s" % (laststatus, changed),
     
195.          "Current Timestamp: %s " % datetime.now().strftime("%Y-%m-%d %H:%M")])
     
196.     if opts.detailOn:
     
197.         report = '\n'.join((report, "\nDetail:\n\n%s" % detail))
     
198.     # console output
     
199.     print(report)
     
200.     # email notification on status change
     
201.     if opts.receivers and changed:
     
202.         recv_list = opts.receivers.split(',')
     
203.         subject = "Your USCIS Case %s Status Change Notice " % casenumber
     
204.         send_mail("myname@gmail.com", recv_list, subject, report)
     
205. 
     
206. 
     
207. if __name__ == '__main__':
     
208.     main()
     

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定时任务

1. 0 * * * * python3 /home/user/work/poll_uscis.py -c WAC1913xxxxxxxx -d --mailto [email]myname@gmail.com[/email] >>/home/user/work/report.log 2>&1

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效果图

真棒！恭喜！

恭喜恭喜！