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June 25, 2015 07:33
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| from facepy import GraphAPI | |
| import mechanize | |
| from time import strftime | |
| from bs4 import * | |
| from datetime import datetime, date, timedelta | |
| from time import strptime | |
| from getopt import getopt | |
| import os, sys, envoy | |
| import urllib2,json | |
| graph=GraphAPI('Enter access token here') | |
| wuAccessToken='Enter access token here' | |
| #Heavens-above scraper inspired by DrDrang at https://github.com/drdrang/heavens-above. Fixed his code a little in this. | |
| thisDate = date.today() | |
| thisYear = thisDate.year | |
| thisMonth = thisDate.strftime("%b") | |
| # Parse a row of Heavens Above data and return the start date (datetime), | |
| # the intensity (integer), and the beginning, peak, and end sky positions | |
| # (strings). | |
| def parseRow(row): | |
| cols = row.findAll('td') | |
| dStr = cols[0].a.string | |
| # dStr is in the form 31 Dec. To parse the date with strptime, | |
| # the day must have a leading zero if it doesn't have one. Also, | |
| # we need to add the year, being careful when the year changes. | |
| dStrList =dStr.split() | |
| if len(dStrList[0]) < 2: | |
| dStrList[0] = '0' + dStrList[0] | |
| if dStrList[1] == 'Jan' and thisMonth == 'Dec': | |
| dStrList.append(str(thisYear+1)) | |
| else: | |
| dStrList.append(str(thisYear)) | |
| dStr = ' '.join(dStrList) | |
| t1Str = ':'.join(cols[2].string.split(':')[0:2]) | |
| t2Str= ':'.join(cols[5].string.split(':')[0:2]) | |
| t3Str = ':'.join(cols[8].string.split(':')[0:2]) | |
| intensity = float(cols[1].string) | |
| alt1 = cols[3].string.replace(u'°', ' degrees') | |
| az1 = cols[4].string | |
| alt2 = cols[6].string.replace(u'°', ' degrees') | |
| az2 = cols[7].string | |
| alt3 = cols[9].string.replace(u'°', ' degrees') | |
| az3 = cols[10].string | |
| loc1 = '%s %s' % (az1, alt1) | |
| loc2 = '%s %s' % (az2, alt2) | |
| loc3 = '%s %s' % (az3, alt3) | |
| startStr = '%s %s' % (dStr, t1Str) | |
| endStr = '%s %s' % (dStr, t3Str) | |
| peakStr = '%s %s' % (dStr, t2Str) | |
| start = datetime(*strptime(startStr, '%d %b %Y %H:%M')[0:7]) | |
| end = datetime(*strptime(endStr, '%d %b %Y %H:%M')[0:7]) | |
| peak=datetime(*strptime(peakStr, '%d %b %Y %H:%M')[0:7]) | |
| return (start, peak, end, intensity, loc1, loc2, loc3) | |
| # Parse command line options. | |
| justPrint = False | |
| optlist, args = getopt(sys.argv[1:], 'ph') | |
| for o, a in optlist: | |
| if o == '-p': | |
| justPrint = True | |
| else: | |
| print usage | |
| sys.exit() | |
| # Heavens Above URLs and login information. | |
| loginURL = 'http://heavens-above.com/login.aspx' | |
| issURL = 'http://www.heavens-above.com/PassSummary.aspx?satid=25544' | |
| # Create virtual browser and login. | |
| br = mechanize.Browser() | |
| br.set_handle_robots(False) | |
| br.open(loginURL) | |
| br.select_form(nr=0) # the login form is the first on the page | |
| br['ctl00$cph1$Login1$UserName'] = userName | |
| br['ctl00$cph1$Login1$Password'] = password | |
| resp = br.submit() | |
| # Get the 10-day ISS page. | |
| iHtml = br.open(issURL).read() | |
| # In the past, Beautiful Soup hasn't been able to parse the Heavens Above HTML. | |
| # To get around this problem, we extract just the table of ISS data and set | |
| # it in a well-formed HTML skeleton. If there is no table of ISS data, create | |
| # an empty table. | |
| try: | |
| table = iHtml.split(r'<table class="standardTable"', 1)[1] | |
| table = table.split(r'>', 1)[1] | |
| table = table.split(r'</table>', 1)[0] | |
| except IndexError: | |
| table = '<tr><td></td></tr>' | |
| html = '''<html> | |
| <head> | |
| </head> | |
| <body> | |
| <table> | |
| %s | |
| </table> | |
| </body> | |
| </html>''' % table | |
| # Parse the HTML. | |
| soup = BeautifulSoup(html) | |
| # Collect only the data rows of the table. | |
| rows = soup.findAll('table')[0].findAll('tr')[2:] | |
| outputString="" | |
| (start, peak,end,magnitude,rise,maxvis,sett) = parseRow(rows[0]) | |
| outputString=outputString+('is on %s'%start.strftime('%b %d')+'\nMagnitude %.1f\n'%magnitude+'Starts at: %s\t'%start.strftime('%H:%M')+\ | |
| ' %s\n'%rise+'Maximum visibility %s\t'%peak.strftime('%H:%M')+' %s\n'%maxvis+\ | |
| ' Ends at %s\t'%end.strftime('%H:%M')+'%s'%sett) | |
| """The WU API expects the prediction dates in MMDDMMDD format. By passing the same date twice, we get the forecast for that date alone. This is based on | |
| past weather records. I haven't been able to find a way to get recent forecasts for a particular date in WU""" | |
| weatherdate=start.strftime('%m%d')+start.strftime('%m%d') | |
| #Replace Chennai with any desired city. | |
| url='http://api.wunderground.com/api/'+wuAccessToken+'/planner_'+weatherdate+'/q/CA/Chennai.json' | |
| #Reads the weather forecast | |
| f = urllib2.urlopen(url) | |
| json_string = f.read() | |
| parsed_json = json.loads(json_string) | |
| output=parsed_json['trip']['cloud_cover']['cond'] | |
| f.close() | |
| #Posts to Facebook using the Graph API | |
| graph.post('groupid/feed',message='Next ISS pass %s. \nThe weather is expected to be %s'%(outputString,output)) |
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