Mercurial > pyarq-presupuestos

annotate Generic/utils.py @ 12:29a4044a95ff

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
svg to png
author Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
date Thu, 30 Dec 2010 12:28:33 +0100
parents 2ac1551ad2ab
children a7b9f7e7dfa4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
1 #!/usr/bin/python
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
2 # -*- coding: utf-8 -*-
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
3 ## File utils.py
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
4 ## This file is part of pyArq-Presupuestos.
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
5 ##
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
6 ## Copyright (C) 2010 Miguel Ángel Bárcena Rodríguez
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
7 ## <miguelangel@obraencurso.es>
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
8 ##
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
9 ## pyArq-Presupuestos is free software: you can redistribute it and/or modify
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
10 ## it under the terms of the GNU General Public License as published by
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
11 ## the Free Software Foundation, either version 3 of the License, or
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
12 ## (at your option) any later version.
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
13 ##
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
14 ## pyArq-Presupuestos is distributed in the hope that it will be useful,
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
15 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
16 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
17 ## GNU General Public License for more details.
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
18 ##
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
19 ## You should have received a copy of the GNU General Public License
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
20 ## along with this program. If not, see <http://www.gnu.org/licenses/>.
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
21
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
22 # Modules
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
23 import re
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
24 import imghdr
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
25
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
26 # add wmf to imghdr
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
27 def test_wmf(h, f):
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
28 """wmf image library"""
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
29 if h[:6] == "\xd7\xcd\xc6\x9a\x00\x00":
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
30 return 'wmf'
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
31 imghdr.tests.append(test_wmf)
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
32
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
33 # add dxf to imghdr
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
34 def test_dxf(h, f):
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
35 """AutoCAD DXF: Drawing Interchange Format"""
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
36 if isinstance(f,file):
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
37 _pos = f.tell()
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
38 f.seek(0)
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
39 _h = f.read(128)
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
40 f.seek(-32, 2)
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
41 _l = f.read(32)
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
42 f.seek(_pos)
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
43 else:
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
44 _h = h
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
45 _l = h[-32:]
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
46 _h = _h.replace("\r","")
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
47 _l = _l.replace("\r","")
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
48 if (" 0\nSECTION\n 2\nHEADER\n" in _h or\
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
49 " 0\nSECTION\n 2\nCLASSES\n" in _h or\
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
50 " 0\nSECTION\n 2\nTABLES\n" in _h or\
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
51 " 0\nSECTION\n 2\nBLOCKS\n" in _h or\
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
52 " 0\nSECTION\n 2\nENTITIES\n" in _h or\
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
53 " 0\nSECTION\n 2\nOBJECTS\n" in _h or\
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
54 " 0\nSECTION\n 2\nTHUMBNAILIMAGE\n" in _h) and \
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
55 _l[-19:] == " 0\nENDSEC\n 0\nEOF\n":
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
56 return 'dxf'
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
57 imghdr.tests.append(test_dxf)
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
58
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
59
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
60 def mapping(string, tuple):
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
61 """mapping(string, tuple)
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
62
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
63 string: a message string
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
64 tuple: a truple with string items
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
65 Return the string replacing the $[n] words whith its corresponding value
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
66 from the tuple.
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
67 It is used because the gettext module can not #-#supotr#-# strings as:
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
68 "Invalid type (%s) in record: %s" %(type, record)
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
69 """
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
70 for _index in range(len(tuple)):
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
71 string = string.replace("$" + str(_index+1), str(tuple[_index]))
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
72 return string
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
73
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
74 def eliminate_duplicates(list):
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
75 """eliminate_duplicates(list)
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
76
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
77 Return a copy of the list without duplicate values
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
78 """
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
79 _result = [ ]
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
80 for item in list:
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
81 if item not in _result:
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
82 _result.append(item)
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
83 return _result
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
84
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
85 def is_valid_code(code):
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
86 """is_valid_code(code)
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
87
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
88 code: a string code
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
89 Funtion to test if a record code is valid
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
90 A valid code must fulfill:
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
91 - Be a not empty string
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
92 - The valid characters are the defined in MSdos 6.0 including .$#%&_
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
93 What it means? I am not sure, so I test if all the character
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
94 are in cp850
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
95 - Cannot contain the following characters
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
96 <~> separator of records if FIEBDC-3
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
97 <|> separator of fields if FIEBDC-3
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
98 <\> separator of subfield in FIEBDC-3
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
99 <\t> tab -> control character
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
100 < > space -> control character
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
101 <\n> end of line -> control character
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
102 <\r> end of line -> control character
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
103 - Cannot end with <#> or <##>, root and chapter code record
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
104 It return a tuple (is_valid, code)
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
105 is_valid (True/False)
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
106 True: the code is valid
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
107 False: the code is not valid
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
108 code(False/code)
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
109 False: the code is not valid and can not be corrected
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
110 code: the code or the corrected code
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
111 """
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
112 _is_valid = True
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
113 if not isinstance(code, str):
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
114 return False, False
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
115 if code == "":
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
116 return False, False
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
117 try:
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
118 _unicode_code = unicode(code, "utf8")
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
119 _code_cp850 = _unicode_code.encode("cp850")
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
120 _unicode_code = unicode(_code_cp850, "cp850")
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
121 _code_utf8 = _unicode_code.encode("utf8")
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
122 except UnicodeError:
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
123 return False, False
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
124 if _code_utf8 != code:
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
125 _is_valid = False
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
126 if _code_utf8 == "":
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
127 return False, False
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
128 code = _code_utf8
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
129 _code2 = re.sub("[\t \n\r~|\\\]","",code)
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
130 if _code2 != code:
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
131 if _code2 == "":
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
132 return False, False
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
133 _is_valid = False
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
134 code = _code2
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
135 if code[-1] == "#":
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
136 _is_valid = False
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
137 while code[-1] == "#":
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
138 code = code[:-1]
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
139 if code == "":
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
140 return False, False
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
141 return _is_valid, code
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
142
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
143 def getFiletype(filename, h=None):
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
144 """getFiletype(filename, h=None):
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
145
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
146 filename: the filename to test
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
147 h: raw string, if h is not None the filename is ignored and h is assumed
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
148 to contain the byte stream to test
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
149 """
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
150 _type = imghdr.what(filename, h)
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
151 _image_types = ["rgb", "gif", "pbm", "pgm", "ppm", "tiff", "rast", "xbm",
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
152 "jpeg", "bmp", "png", "wmf"]
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
153 if _type in _image_types:
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
154 return "image"
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
155 elif _type == "dxf":
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
156 return "dxf"
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
157 ## _video_types = ["avi", "mpg", "mkv", "ogm"]
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
158 ## elif _type in _video_types:
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
159 ## return "video"
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
160 ## elif _type == "pdf":
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
161 ## return "pdf"
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
162 ## elif _type == "ppt" or _type == "odp":
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
163 ## return "presentation"
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
164 else:
2ac1551ad2ab add code
Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
parents:
diff changeset
165 return None