root/galaxy-central/eggs/twill-0.9-py2.6.egg/twill/extensions/match_parse/__init__.py

リビジョン 3, 2.2 KB (コミッタ: kohda, 14 年 前)

Install Unix tools  http://hannonlab.cshl.edu/galaxy_unix_tools/galaxy.html

行番号 
1"""
2sureshvv's extension for slicing and dicing variables with regular expressions.
3"""
4
5import re
6from twill.namespaces import get_twill_glocals
7from twill.commands import browser
8
9def showvar(which):
10     """
11     >> showvar var
12
13     Shows the value of the variable 'var'.
14     """
15     global_dict, local_dict = get_twill_glocals()
16     
17     d = global_dict.copy()
18     d.update(local_dict)
19     
20     print d.get(str(which))
21
22def split(what):
23     """
24     >> split <regexp>
25
26     Sets __matchlist__ to re.split(regexp, page).
27     """
28     page = browser.get_html()
29
30     m = re.split(what, page)
31
32     global_dict, local_dict = get_twill_glocals()
33     local_dict['__matchlist__'] = m
34
35def findall(what):
36     """
37     >> findall <regexp>
38
39     Sets __matchlist__ to re.findall(regexp, page).
40     """
41     page = browser.get_html()
42
43     regexp = re.compile(what, re.DOTALL)
44     m = regexp.findall(page)
45
46     global_dict, local_dict = get_twill_glocals()
47     local_dict['__matchlist__'] = m
48
49def getmatch(where, what):
50     """
51     >> getmatch into_var expression
52
53     Evaluates an expression against __match__ and puts it into 'into_var'.
54     """
55     global_dict, local_dict = get_twill_glocals()
56     match = local_dict['__match__']
57     local_dict[where] = _do_eval(match, what)
58
59def setmatch(what):
60     """
61     >> setmatch expression
62
63     Sets each element __matchlist__ to eval(expression); 'm' is set
64     to each element of __matchlist__ prior to processing.
65     """
66     global_dict, local_dict = get_twill_glocals()
67     
68     match = local_dict['__matchlist__']
69     if isinstance(match, str):         # convert to list
70          match = [ match, ]
71         
72     new_match = [ _do_eval(m, what) for m in match ]
73     local_dict['__matchlist__'] = new_match
74
75def _do_eval(match, exp):
76     """
77     Used internally to evaluate an expresseion
78     """
79     return eval(exp, globals(), {'m': match})
80
81def popmatch(which):
82     """
83     >> popmatch index
84
85     Pops __matchlist__[i] into __match__.
86     """
87     global_dict, local_dict = get_twill_glocals()
88     
89     matchlist = local_dict['__matchlist__']
90     match = matchlist.pop(int(which))
91     local_dict['__match__'] = match
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