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