root/galaxy-central/lib/galaxy/web/framework/helpers/__init__.py @ 3

リビジョン 2, 1.9 KB (コミッタ: hatakeyama, 14 年 前)

import galaxy-central

行番号 
1import pkg_resources
2
3pkg_resources.require( "WebHelpers" )
4from webhelpers import *
5
6from galaxy.util.json import to_json_string
7from galaxy.util import hash_util
8from datetime import datetime, timedelta
9
10from cgi import escape
11
12# If the date is more than one week ago, then display the actual date instead of in words
13def time_ago( x ):
14    delta = timedelta(weeks=1)
15   
16    if (datetime.utcnow() - x) > delta: # Greater than a week difference
17        return x.strftime("%b %d, %Y")
18    else:   
19        return date.distance_of_time_in_words( x, datetime.utcnow() ) + " ago"
20   
21def iff( a, b, c ):
22    if a:
23        return b
24    else:
25        return c
26   
27# Quick helpers for static content
28
29def css( *args ):
30    """
31    Take a list of stylesheet names (no extension) and return appropriate string
32    of link tags.
33   
34    TODO: This has a hardcoded "?v=X" to defeat caching. This should be done
35          in a better way.
36    """
37    return "\n".join( [ stylesheet_link_tag( "/static/style/" + name + ".css?v=3" ) for name in args ] )
38       
39def js( *args ):
40    """
41    Take a list of javascript names (no extension) and return appropriate
42    string of script tags.
43
44    TODO: This has a hardcoded "?v=X" to defeat caching. This should be done
45          in a better way.
46    """
47    return "\n".join( [ javascript_include_tag( "/static/scripts/" + name + ".js?v=7" ) for name in args ] )
48   
49# Hashes
50
51def md5( s ):
52    """
53    Return hex encoded md5 hash of string s
54    """
55    m = hash_util.md5()
56    m.update( s )
57    return m.hexdigest()
58   
59# Unicode help
60
61def to_unicode( a_string ):
62    """
63    Convert a string to unicode in utf-8 format; if string is already unicode,
64    does nothing because string's encoding cannot be determined by introspection.
65    """
66    a_string_type = type ( a_string )
67    if a_string_type is str:
68        return unicode( a_string, 'utf-8' )
69    elif a_string_type is unicode:
70        return a_string
71   
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