Mercurial > dive4elements > river

comparison flys-backend/contrib/import-gew.py @ 2386:cb7ebcadb214 2.6

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merged flys-backend/2.6
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:23 +0200
parents 80669241956c
children
comparison
equal deleted inserted replaced
2333:66946e278e66 2386:cb7ebcadb214
1 #!/usr/bin/env python
2 # -*- coding: utf-8 -*-
3
4 import sys
5 import os
6 import codecs
7 import re
8
9 HAUPTWERT = re.compile(r"\s*([^\s]+)\s+([^\s+]+)\s+([QWDT-])")
10 WHITESPACE = re.compile(r"\s+")
11
12 class KM(object):
13
14 def __init__(self, filename):
15 self.filename = filename
16 self.load_values()
17
18 def load_values(self):
19 with codecs.open(self.filename, "r", "latin-1") as f:
20 for line in f:
21 line = line.strip()
22 if not line or line.startswith("*"):
23 parts = [s.strip() for s in line.split(";")]
24 # TODO: Use code from import-kms.py
25
26 class AbflussTafel(object):
27
28 def __init__(self, filename):
29 self.filename = filename
30 self.name = ""
31 self.values = []
32 self.load_values()
33
34 def load_values(self):
35 with codecs.open(self.filename, "r", "latin-1") as f:
36 first = True
37 for line in f:
38 line = line.strip()
39 if not line: continue
40 if line.startswith("#! name="):
41 self.name = line[8:]
42 continue
43 if line.startswith("#") or line.startswith("*"):
44 continue
45 line = line.replace(",", ".")
46 splits = WHITESPACE.split(line)
47
48 if len(splits) < 2 or len(splits) > 11:
49 continue
50
51 w = float(splits[0])
52
53 shift = 0
54
55 if len(splits) != 11 and first:
56 shift = 11 - len(splits)
57
58 for idx, q in enumerate(splits[1:]):
59 i_w = w + shift + idx
60 i_q = float(q)
61 w_q = (i_w/100.0, i_q/100.0)
62 self.values.append(w_q)
63
64 first = False
65
66
67 class Hauptwert(object):
68 def __init__(self, name, value, kind):
69 self.name = name
70 self.extra = value
71 self.kind = kind
72
73 class Pegel(object):
74 def __init__(self, name, start, stop, sta, at, html):
75 self.name = name
76 self.start = start
77 self.stop = stop
78 self.sta = sta
79 self.at = at
80 self.html = html
81 self.aeo = 0.0
82 self.nullpunkt = 0.0
83 self.km = 0.0
84 self.hauptwerte = []
85 self.load_hauptwerte()
86 self.at_data = AbflussTafel(self.at)
87
88 def load_hauptwerte(self):
89 with codecs.open(self.sta, "r", "latin-1") as f:
90 for line_no, line in enumerate(f):
91 line = line.rstrip()
92 if line_no == 0:
93 first = False
94 name = line[16:37].strip()
95 line = [s.replace(",", ".") for s in line[37:].split()]
96 self.aeo = float(line[0])
97 self.nullpunkt = float(line[1])
98 print >> sys.stderr, "pegel name: '%s'" % name
99 print >> sys.stderr, "pegel aeo: '%f'" % self.aeo
100 print >> sys.stderr, "pegel nullpunkt: '%f'" % self.nullpunkt
101 elif line_no == 1:
102 self.km = float(line[29:36].strip().replace(",", "."))
103 print >> sys.stderr, "km: '%f'" % self.km
104 else:
105 if not line: continue
106 line = line.replace(",", ".")
107 m = HAUPTWERT.match(line)
108 if not m: continue
109 self.hauptwerte.append(Hauptwert(
110 m.group(1), float(m.group(2)), m.group(3)))
111
112 class Gewaesser(object):
113
114 def __init__(self, name=None, b_b=None, wst=None):
115 self.name = name
116 self.b_b = b_b
117 self.wst = wst
118 self.pegel = []
119
120 def load_pegel(self):
121 dir_name = os.path.dirname(self.wst)
122 pegel_glt = find_file(dir_name, "PEGEL.GLT")
123 if not pegel_glt:
124 print >> sys.stderr, "Missing PEGEL.GLT for %r" % self.name
125 return
126
127 print >> sys.stderr, "pegel_glt: %r" % pegel_glt
128
129 with codecs.open(pegel_glt, "r", "latin-1") as f:
130 for line in f:
131 line = line.strip()
132 if not line or line.startswith("#"):
133 continue
134 # using re to cope with quoted columns,
135 # shlex has unicode problems.
136 parts = [p for p in re.split("( |\\\".*?\\\"|'.*?')", line)
137 if p.strip()]
138 if len(parts) < 7:
139 print >> sys.stderr, "too less colums (need 7): %r" % line
140 continue
141
142 print >> sys.stderr, "%r" % parts
143 self.pegel.append(Pegel(
144 parts[0],
145 min(float(parts[2]), float(parts[3])),
146 max(float(parts[2]), float(parts[3])),
147 norm_path(parts[4], dir_name),
148 norm_path(parts[5], dir_name),
149 parts[6]))
150
151
152 def __repr__(self):
153 return u"Gewaesser(name=%r, b_b=%r, wst=%r)" % (
154 self.name, self.b_b, self.wst)
155
156 def norm_path(path, ref):
157 if not os.path.isabs(path):
158 path = os.path.normpath(os.path.join(ref, path))
159 return path
160
161 def find_file(path, what):
162 what = what.lower()
163 for filename in os.listdir(path):
164 p = os.path.join(path, filename)
165 if os.path.isfile(p) and filename.lower() == what:
166 return p
167 return None
168
169
170 def read_gew(filename):
171
172 gewaesser = []
173
174 current = Gewaesser()
175
176 filename = os.path.abspath(filename)
177 dirname = os.path.dirname(filename)
178
179 with codecs.open(filename, "r", "latin-1") as f:
180 for line in f:
181 line = line.strip()
182 if not line or line.startswith("*"):
183 continue
184
185 if line.startswith(u"Gewässer:"):
186 if current.name:
187 gewaesser.append(current)
188 current = Gewaesser()
189 current.name = line[len(u"Gewässer:"):].strip()
190 elif line.startswith(u"B+B-Info:"):
191 current.b_b = norm_path(line[len(u"B+B-Info:"):].strip(),
192 dirname)
193 elif line.startswith(u"WSTDatei:"):
194 current.wst = norm_path(line[len(u"WSTDatei:"):].strip(),
195 dirname)
196
197 if current.name:
198 gewaesser.append(current)
199
200 return gewaesser
201
202 def main():
203
204 if len(sys.argv) < 2:
205 print >> sys.stderr, "missing gew file"
206 sys.exit(1)
207
208 gew_filename = sys.argv[1]
209
210 if not os.path.isfile(gew_filename):
211 print >> sys.stderr, "'%s' is not a file" % gew_filename
212 sys.exit(1)
213
214 gewaesser = read_gew(gew_filename)
215
216 for gew in gewaesser:
217 gew.load_pegel()
218
219
220
221 if __name__ == '__main__':
222 main()
223 # vim: set fileencoding=utf-8 :
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