| 1 | #!/usr/bin/python
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| 2 | import sys,os
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| 3 | import cgi
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| 4 | #cgi debug
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| 5 | import cgitb; cgitb.enable()
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| 6 |
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| 7 | from simpletal import simpleTAL, simpleTALES
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| 8 |
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| 9 | from obsconfig import *
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| 10 |
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| 11 | tmppath = os.path.join(asapmonhome,"tmp/")
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| 12 | tmppath = os.path.join(asapmonrel,"tmp/")
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| 13 |
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| 14 | # a redirection object for stdout/stderr
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| 15 | class WritableObject:
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| 16 | def __init__(self):
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| 17 | self.content = []
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| 18 | def write(self, string):
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| 19 | self.content.append(string)
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| 20 |
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| 21 | logsink = WritableObject()
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| 22 | logsink2 = WritableObject()
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| 23 | sys.stdout = logsink
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| 24 | sys.stderr = logsink2
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| 25 | import asap
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| 26 | asap.rc('scantable', storage="memory")
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| 27 | sys.stdout = sys.__stdout__
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| 28 | sys.stderr = sys.__stderr__
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| 29 |
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| 30 | def resetstd():
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| 31 | sys.stdout = sys.__stdout__
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| 32 | sys.stderr = sys.__stderr__
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| 33 |
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| 34 |
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| 35 | class myForm:
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| 36 | def __init__(self):
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| 37 | self.fields = {}
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| 38 | self.form = cgi.FieldStorage()
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| 39 | self.context = simpleTALES.Context(allowPythonPath=1)
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| 40 | self.logsink = WritableObject()
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| 41 |
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| 42 | def decodePath(self):
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| 43 | pi = self.fields['cdir']
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| 44 | fi = self.fields['cfile']
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| 45 | p = observatory['rpfpath'][pi]
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| 46 | from filelist import FileList
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| 47 | fl = FileList(pi)
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| 48 | if fl.error:
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| 49 | return None
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| 50 | out = []
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| 51 | for i in fi:
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| 52 | out.append(os.path.join(p,fl.files[i]))
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| 53 | return out
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| 54 |
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| 55 | def decodeWindow(self,window):
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| 56 | if not len(window.strip()): return None,None
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| 57 | x = window.split(",")
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| 58 | return [float(x[0].strip()), float(x[1].strip())]
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| 59 |
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| 60 | def decodeWindows(self, window):
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| 61 | import re
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| 62 | p = re.compile("(\\[*\d+\\.*\d*,\d+\\.*\d*\\]*)")
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| 63 | r = re.compile("[\\[\\]]")
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| 64 | return [self.decodeWindow(re.sub(r, '', s)) for s in re.findall(p, window)]
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| 65 |
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| 66 | def setDefaultFields(self):
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| 67 | self.fields['directories'] = observatory['rpfpath']
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| 68 | self.fields['cdir'] = len(self.fields['directories'])-1
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| 69 | from filelist import FileList
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| 70 | files = []
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| 71 | fl = FileList(len(observatory['rpfpath'])-1)
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| 72 | if not fl.error:
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| 73 | self.fields['files'] = fl.files
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| 74 | self.fields['cfile'] = len(fl.files)-1
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| 75 | self.fields['restfreqs'] = observatory['lines'].keys()
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| 76 | self.fields['border'] = range(10)
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| 77 | self.fields['imagename'] = ""
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| 78 | self.fields['cunit'] = 0
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| 79 | self.fields['units'] = ["channel", "km/s", "GHz"]
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| 80 | self.fields['baseline'] = 0
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| 81 | self.fields['cpolyorder'] = 0
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| 82 | self.fields['quotient'] = 0
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| 83 | self.fields['average'] = 0
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| 84 | self.fields['doppler'] = "RADIO"
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| 85 | self.fields['frame'] = "LSRK"
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| 86 | self.fields['restn'] = [11, 1]
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| 87 | self.fields['stokes'] = 0
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| 88 | self.fields['summary'] = ""
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| 89 | self.fields['bin'] = 0
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| 90 | self.fields['brangewindow'] = ""
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| 91 | self.fields['nif'] = []
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| 92 | self.fields['sourcenames'] = []
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| 93 | self.fields['csource'] = ""
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| 94 |
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| 95 |
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| 96 | def getFormFields(self):
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| 97 | self.fields['cunit'] = int(self.form.getfirst("unit", 0))
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| 98 | self.fields['frame'] = self.form.getfirst("frame", "TOPO")
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| 99 | self.fields['doppler'] = self.form.getfirst("doppler", "RADIO")
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| 100 | self.fields['restn'] = []
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| 101 |
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| 102 | self.fields['plotwindow'] = self.form.getfirst("plotwindow", "")
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| 103 | self.fields['baseline'] = int(self.form.has_key("baseline"))
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| 104 | self.fields['cpolyorder'] = int(self.form.getfirst("polyorder", 0))
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| 105 | self.fields['quotient'] = int(self.form.has_key("quotient"))
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| 106 | self.fields['doppler'] = self.form.getfirst("doppler", "RADIO")
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| 107 | self.fields['frame'] = self.form.getfirst("frame", "LSRK")
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| 108 | self.fields['cdir'] = int(self.form.getfirst("dlist", None))
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| 109 | self.fields['cfile'] = [int(k) for k in self.form.getlist("list")]
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| 110 | self.fields['average'] = int(self.form.has_key("average"))
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| 111 | self.fields['stokes'] = int(self.form.has_key("stokes"))
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| 112 | self.fields['bin'] = int(self.form.has_key("bin"))
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| 113 | self.fields['debug'] = ""#self.fields['restn']
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| 114 | self.fields['csource'] = self.form.getfirst("csource", "")
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| 115 |
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| 116 | def getRest(self):
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| 117 | alllines = observatory['lines'].values()
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| 118 | lines = []
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| 119 | for i in self.fields['restn']:
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| 120 | lines.append(alllines[i])
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| 121 | return lines
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| 122 |
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| 123 | def plotForm(self):
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| 124 | self.getFormFields()
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| 125 | # decode file location
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| 126 | from filelist import FileList
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| 127 | fl = FileList(self.fields['cdir'])
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| 128 | self.fields['files'] = fl.files
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| 129 | files = self.decodePath()
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| 130 | # catch all stdout/err
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| 131 | sys.stdout = logsink
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| 132 | sys.stderr = logsink2
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| 133 | try:
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| 134 | s = asap.scantable(files)
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| 135 | outscans = None
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| 136 | self.fields['nif'] = range(s.nif())
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| 137 | for i in self.fields['nif']:
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| 138 | name = "rest%d" % i
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| 139 | self.fields['restn'].append(int(self.form.getfirst(name, 0)))
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| 140 | restfs = self.getRest()
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| 141 |
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| 142 | # source name selection
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| 143 | import re
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| 144 | srcnames = s.get_sourcename()
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| 145 | for i in srcnames:
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| 146 | # only add the names once
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| 147 | i = not i in self.fields['sourcenames'] and i
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| 148 | if i:
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| 149 | # filter off scans
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| 150 | i = not re.search(re.compile("_[R, e, w]$"), i) and i
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| 151 | if i:
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| 152 | self.fields['sourcenames'].append(i)
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| 153 | # form quotient
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| 154 | if self.form.has_key("quotient"):
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| 155 | s = s.auto_quotient()
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| 156 | # get source by name
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| 157 | cs = self.fields['csource']
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| 158 | if len(cs) > 0:
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| 159 | if cs in self.fields['sourcenames']:
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| 160 | ss = s.get_scan(self.fields['csource'])
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| 161 | if isinstance(ss, asap.scantable):
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| 162 | s = ss
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| 163 | del ss
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| 164 | else:
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| 165 | # get only the last source in the table if not averaging
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| 166 | # This doesn't work anymore, but works on the command-line??
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| 167 | # Use explict selection
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| 168 | #s = s.get_scan(str(self.fields['sourcenames'][-1]))
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| 169 | sel = asap.selector()
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| 170 | sel.set_name(str(self.fields['sourcenames'][-1]))
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| 171 | s.set_selection(sel)
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| 172 | s = s.copy()
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| 173 | self.fields['csource'] = s.get_sourcename()[-1]
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| 174 | if self.fields['cunit'] == 1:
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| 175 | s.set_restfreqs(restfs, unit="GHz")
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| 176 | s.set_unit(self.fields['units'][self.fields['cunit']])
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| 177 | s.set_freqframe(self.form.getfirst("frame", "LSRK"))
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| 178 | s.set_doppler(self.form.getfirst("doppler", "RADIO"))
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| 179 |
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| 180 | # baseline
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| 181 | if self.form.has_key('baseline'):
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| 182 | order = self.fields['cpolyorder']
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| 183 | brstr = self.form.getfirst('brangewindow','').strip()
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| 184 | # auto baseline or user window
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| 185 | if brstr:
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| 186 | self.fields['brangewindow'] = brstr
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| 187 | brange = self.decodeWindows(brstr)
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| 188 | if len(brange):
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| 189 | self.fields['brangewindow'] = brstr
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| 190 | m = s.create_mask(brange)
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| 191 | s.poly_baseline(mask=m, order=order)
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| 192 | else:
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| 193 | s.auto_poly_baseline(order=order)
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| 194 | outscans = None
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| 195 |
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| 196 | if self.fields['average']:
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| 197 | outscans = s.average_time(weight='tsys')
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| 198 | else:
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| 199 | outscans = s
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| 200 | del s
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| 201 |
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| 202 | if self.fields['bin']:
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| 203 | outscans.bin()
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| 204 |
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| 205 | self.fields['summary'] = str(outscans)
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| 206 | asap.rcParams['plotter.decimate'] = True
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| 207 | asap.rcParams['plotter.ganged'] = False
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| 208 | from matplotlib import rcParams as rcp
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| 209 | rcp['xtick.labelsize'] = 8
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| 210 | rcp['ytick.labelsize'] = 8
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| 211 | rcp['axes.labelsize'] = 8
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| 212 | rcp['axes.titlesize'] = 12
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| 213 | rcp['figure.subplot.wspace'] = 0.3
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| 214 | rcp['figure.subplot.hspace'] = 0.3
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| 215 | #del asap.plotter
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| 216 | # plotter without GUI
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| 217 | asap.plotter = asap.asapplotter(False)
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| 218 | if outscans.nif() > 1:
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| 219 | asap.plotter.set_mode("p", "i")
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| 220 | else:
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| 221 | if outscans.npol() > 2:
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| 222 | asap.plotter.set_mode("t", "p")
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| 223 | else:
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| 224 | asap.plotter.set_mode("p", "t")
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| 225 | asap.plotter.plot(outscans)
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| 226 | if self.fields['stokes']:
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| 227 | pols = "I"
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| 228 | if outscans.npol() > 2:
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| 229 | pols += " Q U V"
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| 230 | sel = asap.selector()
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| 231 | sel.set_polarisations(pols)
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| 232 | asap.plotter.set_selection(sel)
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| 233 | x0, x1 = self.decodeWindow(self.fields['plotwindow'])
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| 234 | asap.plotter.set_range(x0, x1)
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| 235 | imname = tmppath+"plot.png"
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| 236 | asap.plotter.save(imname, dpi=96)
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| 237 | self.fields['imagename'] = tmploc+"plot.png"
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| 238 | except RuntimeError, e:
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| 239 | self.fields['debug'] = e
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| 240 | return
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| 241 |
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| 242 |
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| 243 | def buildContext (self, title):
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| 244 | self.context.addGlobal("fields", self.fields)
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| 245 | self.context.addGlobal("title", title)
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| 246 |
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| 247 | def expandTemplate (self, templateName):
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| 248 | sys.stdout.write ("Content-Type: text/html\n")
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| 249 | sys.stdout.write ("\n")
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| 250 | # Expand the template and print it out
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| 251 | templateFile = open(templateName, 'r')
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| 252 | template = simpleTAL.compileHTMLTemplate(templateFile)
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| 253 | templateFile.close()
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| 254 | # Expand the template as HTML using this context
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| 255 | template.expand(self.context, sys.stdout)
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| 256 | sys.exit(0)
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| 257 |
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| 258 | def main(self):
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| 259 | self.setDefaultFields()
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| 260 | title = "ASAP %s Online Monitor" % (observatory['name'])
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| 261 | tmplname = asapmonhome+"asapmon.html.template"
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| 262 | if ( self.form.has_key("plot")):
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| 263 | self.plotForm()
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| 264 | self.buildContext(title)
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| 265 | resetstd()
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| 266 | #os.system('rm -rf /var/www/asapmon/tmp/.matplotlib')
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| 267 | self.expandTemplate(tmplname)
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| 268 |
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| 269 |
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| 270 | f = myForm()
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| 271 | f.main()
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