fixes #24, added generator that generates equally distrybuted colors. Thus skipping creating one large coloring history.

pylons_app/controllers/files.py

@@ -1,199 +1,199 b''
 #!/usr/bin/env python
 # encoding: utf-8
 # files controller for pylons
 # Copyright (C) 2009-2010 Marcin Kuzminski <[e-mail]>
 
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
 # as published by the Free Software Foundation; version 2
 # of the License or (at your opinion) any later version of the license.
 # 
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 # 
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 # MA  02110-1301, USA.
 """
 Created on April 21, 2010
 files controller for pylons
 @author: marcink
 """
 from mercurial import archival
 from pylons import request, response, session, tmpl_context as c, url
 from pylons.controllers.util import redirect
 from pylons_app.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator
 from pylons_app.lib.base import BaseController, render
-from pylons_app.lib.utils import EmptyChangeset, get_repo_slug
+from pylons_app.lib.utils import EmptyChangeset
 from pylons_app.model.hg_model import HgModel
 from vcs.exceptions import RepositoryError, ChangesetError
 from vcs.nodes import FileNode
 from vcs.utils import diffs as differ
 import logging
 import pylons_app.lib.helpers as h
 import tempfile
         
 log = logging.getLogger(__name__)
 
 class FilesController(BaseController):
     
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
                                    'repository.admin')       
     def __before__(self):
         super(FilesController, self).__before__()
 
     def index(self, repo_name, revision, f_path):
         hg_model = HgModel()
         c.repo = repo = hg_model.get_repo(c.repo_name)
         revision = request.POST.get('at_rev', None) or revision
         
         def get_next_rev(cur):
             max_rev = len(c.repo.revisions) - 1
             r = cur + 1
             if r > max_rev:
                 r = max_rev
             return r
             
         def get_prev_rev(cur):
             r = cur - 1
             return r
 
         c.f_path = f_path
      
         
         try:
             cur_rev = repo.get_changeset(revision).revision
             prev_rev = repo.get_changeset(get_prev_rev(cur_rev)).raw_id
             next_rev = repo.get_changeset(get_next_rev(cur_rev)).raw_id
                     
             c.url_prev = url('files_home', repo_name=c.repo_name,
                              revision=prev_rev, f_path=f_path) 
             c.url_next = url('files_home', repo_name=c.repo_name,
                              revision=next_rev, f_path=f_path)   
                     
             c.changeset = repo.get_changeset(revision)
 
                         
             c.cur_rev = c.changeset.raw_id
             c.rev_nr = c.changeset.revision
             c.files_list = c.changeset.get_node(f_path)
             c.file_history = self._get_history(repo, c.files_list, f_path)
             
         except (RepositoryError, ChangesetError):
             c.files_list = None
         
         return render('files/files.html')
 
     def rawfile(self, repo_name, revision, f_path):
         hg_model = HgModel()
         c.repo = hg_model.get_repo(c.repo_name)
         file_node = c.repo.get_changeset(revision).get_node(f_path)
         response.content_type = file_node.mimetype
         response.content_disposition = 'attachment; filename=%s' \
                                                     % f_path.split('/')[-1] 
         return file_node.content
     
     def annotate(self, repo_name, revision, f_path):
         hg_model = HgModel()
         c.repo = hg_model.get_repo(c.repo_name)
         cs = c.repo.get_changeset(revision)
         c.file = cs.get_node(f_path)
         c.file_msg = cs.get_file_message(f_path)
         c.cur_rev = cs.raw_id
         c.rev_nr = cs.revision        
         c.f_path = f_path
 
         return render('files/files_annotate.html')
       
     def archivefile(self, repo_name, revision, fileformat):
         archive_specs = {
           '.tar.bz2': ('application/x-tar', 'tbz2'),
           '.tar.gz': ('application/x-tar', 'tgz'),
           '.zip': ('application/zip', 'zip'),
         }
         if not archive_specs.has_key(fileformat):
             return 'Unknown archive type %s' % fileformat
                         
         def read_in_chunks(file_object, chunk_size=1024 * 40):
             """Lazy function (generator) to read a file piece by piece.
             Default chunk size: 40k."""
             while True:
                 data = file_object.read(chunk_size)
                 if not data:
                     break
                 yield data        
             
         archive = tempfile.TemporaryFile()
         repo = HgModel().get_repo(repo_name).repo
         fname = '%s-%s%s' % (repo_name, revision, fileformat)
         archival.archive(repo, archive, revision, archive_specs[fileformat][1],
                          prefix='%s-%s' % (repo_name, revision))
         response.content_type = archive_specs[fileformat][0]
         response.content_disposition = 'attachment; filename=%s' % fname
         archive.seek(0)
         return read_in_chunks(archive)
     
     def diff(self, repo_name, f_path):
         hg_model = HgModel()
         diff1 = request.GET.get('diff1')
         diff2 = request.GET.get('diff2')
         c.action = request.GET.get('diff')
         c.no_changes = diff1 == diff2
         c.f_path = f_path
         c.repo = hg_model.get_repo(c.repo_name)
 
         try:
             if diff1 not in ['', None, 'None', '0' * 12]:
                 c.changeset_1 = c.repo.get_changeset(diff1)
                 node1 = c.changeset_1.get_node(f_path)
             else:
                 c.changeset_1 = EmptyChangeset()
                 node1 = FileNode('.', '')
             if diff2 not in ['', None, 'None', '0' * 12]:
                 c.changeset_2 = c.repo.get_changeset(diff2)
                 node2 = c.changeset_2.get_node(f_path)
             else:
                 c.changeset_2 = EmptyChangeset()
                 node2 = FileNode('.', '') 
         except RepositoryError:
             return redirect(url('files_home',
                                 repo_name=c.repo_name, f_path=f_path))
 
         c.diff1 = 'r%s:%s' % (c.changeset_1.revision, c.changeset_1.raw_id)
         c.diff2 = 'r%s:%s' % (c.changeset_2.revision, c.changeset_2.raw_id)
         f_udiff = differ.get_udiff(node1, node2)
         
         diff = differ.DiffProcessor(f_udiff)
                                 
         if c.action == 'download':
             diff_name = '%s_vs_%s.diff' % (diff1, diff2)
             response.content_type = 'text/plain'
             response.content_disposition = 'attachment; filename=%s' \
                                                     % diff_name             
             return diff.raw_diff()
         
         elif c.action == 'raw':
             c.cur_diff = '<pre class="raw">%s</pre>' % h.escape(diff.raw_diff())
         elif c.action == 'diff':
             c.cur_diff = diff.as_html()
         else:
             #default option
             c.cur_diff = diff.as_html()
         
         if not c.cur_diff: c.no_changes = True    
         return render('files/file_diff.html')
     
     def _get_history(self, repo, node, f_path):
         from vcs.nodes import NodeKind
         if not node.kind is NodeKind.FILE:
             return []
         changesets = node.history
         hist_l = []
         for chs in changesets:
             n_desc = 'r%s:%s' % (chs.revision, chs._short)
             hist_l.append((chs._short, n_desc,))
         return hist_l

pylons_app/lib/app_globals.py

@@ -1,33 +1,31 b''
 """The application's Globals object"""
 
 from beaker.cache import CacheManager
 from beaker.util import parse_cache_config_options
 from vcs.utils.lazy import LazyProperty
 
 class Globals(object):
     """Globals acts as a container for objects available throughout the
     life of the application
 
     """
 
     def __init__(self, config):
         """One instance of Globals is created during application
         initialization and is available during requests via the
         'app_globals' variable
 
         """
         self.cache = CacheManager(**parse_cache_config_options(config))
-        self.changeset_annotation_colors = {}
         self.available_permissions = None   # propagated after init_model
-        self.app_title = None               # propagated after init_model
         self.baseui = None                  # propagated after init_model        
         
     @LazyProperty
     def paths(self):
         if self.baseui:
             return self.baseui.configitems('paths')
     
     @LazyProperty
     def base_path(self):
         if self.baseui:
             return self.paths[0][1].replace('*', '')            

pylons_app/lib/helpers.py

@@ -1,325 +1,338 b''
 """Helper functions
 
 Consists of functions to typically be used within templates, but also
 available to Controllers. This module is available to both as 'h'.
 """
 from pygments.formatters import HtmlFormatter
 from pygments import highlight as code_highlight
 from pylons import url, app_globals as g
 from pylons.i18n.translation import _, ungettext
 from vcs.utils.annotate import annotate_highlight
 from webhelpers.html import literal, HTML, escape
 from webhelpers.html.tools import *
 from webhelpers.html.builder import make_tag
 from webhelpers.html.tags import auto_discovery_link, checkbox, css_classes, \
     end_form, file, form, hidden, image, javascript_link, link_to, link_to_if, \
     link_to_unless, ol, required_legend, select, stylesheet_link, submit, text, \
     password, textarea, title, ul, xml_declaration, radio
 from webhelpers.html.tools import auto_link, button_to, highlight, js_obfuscate, \
     mail_to, strip_links, strip_tags, tag_re
 from webhelpers.number import format_byte_size, format_bit_size
 from webhelpers.pylonslib import Flash as _Flash
 from webhelpers.pylonslib.secure_form import secure_form
 from webhelpers.text import chop_at, collapse, convert_accented_entities, \
     convert_misc_entities, lchop, plural, rchop, remove_formatting, \
     replace_whitespace, urlify, truncate, wrap_paragraphs
 
-
 #Custom helpers here :)
 class _Link(object):
     '''
     Make a url based on label and url with help of url_for
     @param label:name of link    if not defined url is used
     @param url: the url for link
     '''
 
     def __call__(self, label='', *url_, **urlargs):
         if label is None or '':
             label = url
         link_fn = link_to(label, url(*url_, **urlargs))
         return link_fn
 
 link = _Link()
 
 class _GetError(object):
 
     def __call__(self, field_name, form_errors):
         tmpl = """<span class="error_msg">%s</span>"""
         if form_errors and form_errors.has_key(field_name):
             return literal(tmpl % form_errors.get(field_name))
 
 get_error = _GetError()
 
 def recursive_replace(str, replace=' '):
     """
     Recursive replace of given sign to just one instance
     @param str: given string
     @param replace:char to find and replace multiple instances
         
     Examples::
     >>> recursive_replace("Mighty---Mighty-Bo--sstones",'-')
     'Mighty-Mighty-Bo-sstones'
     """
 
     if str.find(replace * 2) == -1:
         return str
     else:
         str = str.replace(replace * 2, replace)
         return recursive_replace(str, replace)  
 
 class _ToolTip(object):
     
     def __call__(self, tooltip_title, trim_at=50):
         """
         Special function just to wrap our text into nice formatted autowrapped
         text
         @param tooltip_title:
         """
         
         return literal(wrap_paragraphs(tooltip_title, trim_at)\
                        .replace('\n', '<br/>')) 
     
     def activate(self):
         """
         Adds tooltip mechanism to the given Html all tooltips have to have 
         set class tooltip and set attribute tooltip_title.
         Then a tooltip will be generated based on that
         All with yui js tooltip
         """
         
         js = '''
         YAHOO.util.Event.onDOMReady(function(){
             function toolTipsId(){
                 var ids = [];
                 var tts = YAHOO.util.Dom.getElementsByClassName('tooltip');
                 
                 for (var i = 0; i < tts.length; i++) {
                     //if element doesn not have and id autgenerate one for tooltip
                     
                     if (!tts[i].id){
                         tts[i].id='tt'+i*100;
                     }
                     ids.push(tts[i].id);
                 }
                 return ids        
             };
             var myToolTips = new YAHOO.widget.Tooltip("tooltip", { 
                 context: toolTipsId(),
                 monitorresize:false,
                 xyoffset :[0,0],
                 autodismissdelay:300000,
                 hidedelay:5,
                 showdelay:20,
             });
             
             //Mouse Over event disabled for new repositories since they dont
             //have last commit message
             myToolTips.contextMouseOverEvent.subscribe(
                 function(type, args) {
                     var context = args[0];
                     var txt = context.getAttribute('tooltip_title');
                     if(txt){                                       
                         return true;
                     }
                     else{
                         return false;
                     }
                 });
             
                             
             // Set the text for the tooltip just before we display it. Lazy method
             myToolTips.contextTriggerEvent.subscribe( 
                  function(type, args) { 
 
                  
                         var context = args[0]; 
                         
                         var txt = context.getAttribute('tooltip_title');
                         this.cfg.setProperty("text", txt);
                         
                         
                         // positioning of tooltip
                         var tt_w = this.element.clientWidth;
                         var tt_h = this.element.clientHeight;
                         
                         var context_w = context.offsetWidth;
                         var context_h = context.offsetHeight;
                         
                         var pos_x = YAHOO.util.Dom.getX(context);
                         var pos_y = YAHOO.util.Dom.getY(context);
 
                         var display_strategy = 'top';
                         var xy_pos = [0,0];
                         switch (display_strategy){
                         
                             case 'top':
                                 var cur_x = (pos_x+context_w/2)-(tt_w/2);
                                 var cur_y = pos_y-tt_h-4;
                                 xy_pos = [cur_x,cur_y];                                
                                 break;
                             case 'bottom':
                                 var cur_x = (pos_x+context_w/2)-(tt_w/2);
                                 var cur_y = pos_y+context_h+4;
                                 xy_pos = [cur_x,cur_y];                                
                                 break;
                             case 'left':
                                 var cur_x = (pos_x-tt_w-4);
                                 var cur_y = pos_y-((tt_h/2)-context_h/2);
                                 xy_pos = [cur_x,cur_y];                                
                                 break;
                             case 'right':
                                 var cur_x = (pos_x+context_w+4);
                                 var cur_y = pos_y-((tt_h/2)-context_h/2);
                                 xy_pos = [cur_x,cur_y];                                
                                 break;
                              default:
                                 var cur_x = (pos_x+context_w/2)-(tt_w/2);
                                 var cur_y = pos_y-tt_h-4;
                                 xy_pos = [cur_x,cur_y];                                
                                 break;                             
                                  
                         }
 
                         this.cfg.setProperty("xy",xy_pos);
 
                   });
                   
             //Mouse out 
             myToolTips.contextMouseOutEvent.subscribe(
                 function(type, args) {
                     var context = args[0];
                     
                 });
         });
         '''         
         return literal(js)
 
 tooltip = _ToolTip()
 
 class _FilesBreadCrumbs(object):
     
     def __call__(self, repo_name, rev, paths):
         url_l = [link_to(repo_name, url('files_home',
                                         repo_name=repo_name,
                                         revision=rev, f_path=''))]
         paths_l = paths.split('/')
         
         for cnt, p in enumerate(paths_l, 1):
             if p != '':
                 url_l.append(link_to(p, url('files_home',
                                             repo_name=repo_name,
                                             revision=rev,
                                             f_path='/'.join(paths_l[:cnt]))))
 
         return literal(' / '.join(url_l))
 
 files_breadcrumbs = _FilesBreadCrumbs()
 
 def pygmentize(filenode, **kwargs):
     """
     pygmentize function using pygments
     @param filenode:
     """
     return literal(code_highlight(filenode.content, 
                                   filenode.lexer, HtmlFormatter(**kwargs)))
 
 def pygmentize_annotation(filenode, **kwargs):
     """
     pygmentize function for annotation
     @param filenode:
     """
     
-    color_dict = g.changeset_annotation_colors
+    color_dict = {}
     def gen_color():
-        import random
-        return [str(random.randrange(10, 235)) for _ in xrange(3)]
+        """generator for getting 10k of evenly distibuted colors using hsv color
+        and golden ratio.
+        """        
+        import colorsys
+        n = 10000
+        golden_ratio = 0.618033988749895
+        h = 0.22717784590367374
+        #generate 10k nice web friendly colors in the same order
+        for c in xrange(n):
+            h +=golden_ratio
+            h %= 1
+            HSV_tuple = [h, 0.95, 0.95]
+            RGB_tuple = colorsys.hsv_to_rgb(*HSV_tuple)
+            yield map(lambda x:str(int(x*256)),RGB_tuple)           
+
+    cgenerator = gen_color()
+        
     def get_color_string(cs):
         if color_dict.has_key(cs):
             col = color_dict[cs]
         else:
-            color_dict[cs] = gen_color()
-            col = color_dict[cs]
+            col = color_dict[cs] = cgenerator.next()
         return "color: rgb(%s) ! important;" % (', '.join(col))
         
     def url_func(changeset):
         tooltip_html = "<div style='font-size:0.8em'><b>Author:</b>"+\
         " %s<br/><b>Date:</b> %s</b><br/><b>Message:</b> %s<br/></div>" 
         
         tooltip_html = tooltip_html % (changeset.author,
                                                changeset.date,
                                                tooltip(changeset.message))
-        lnk_format = 'r%s:%s' % (changeset.revision,
+        lnk_format = 'r%-5s:%s' % (changeset.revision,
                                  changeset.raw_id)
         uri = link_to(
                 lnk_format,
                 url('changeset_home', repo_name=changeset.repository.name,
                     revision=changeset.raw_id),
                 style=get_color_string(changeset.raw_id),
                 class_='tooltip',
                 tooltip_title=tooltip_html
               )
         
         uri += '\n'
         return uri   
     return literal(annotate_highlight(filenode, url_func, **kwargs))
       
 def repo_name_slug(value):
     """
     Return slug of name of repository
     """
     slug = urlify(value)
     for c in """=[]\;'"<>,/~!@#$%^&*()+{}|:""":
         slug = slug.replace(c, '-')
     slug = recursive_replace(slug, '-')
     return slug
 
 flash = _Flash()
 
 
 #===============================================================================
 # MERCURIAL FILTERS available via h.
 #===============================================================================
 from mercurial import util
 from mercurial.templatefilters import age as _age, person as _person
 
 age = lambda  x:_age(x)
 capitalize = lambda x: x.capitalize()
 date = lambda x: util.datestr(x)
 email = util.email
 email_or_none = lambda x: util.email(x) if util.email(x) != x else None
 person = lambda x: _person(x)
 hgdate = lambda  x: "%d %d" % x
 isodate = lambda  x: util.datestr(x, '%Y-%m-%d %H:%M %1%2')
 isodatesec = lambda  x: util.datestr(x, '%Y-%m-%d %H:%M:%S %1%2')
 localdate = lambda  x: (x[0], util.makedate()[1])
 rfc822date = lambda  x: util.datestr(x, "%a, %d %b %Y %H:%M:%S %1%2")
 rfc3339date = lambda  x: util.datestr(x, "%Y-%m-%dT%H:%M:%S%1:%2")
 time_ago = lambda x: util.datestr(_age(x), "%a, %d %b %Y %H:%M:%S %1%2")
 
 
 #===============================================================================
 # PERMS
 #===============================================================================
 from pylons_app.lib.auth import HasPermissionAny, HasPermissionAll, \
 HasRepoPermissionAny, HasRepoPermissionAll
 
 #===============================================================================
 # GRAVATAR URL
 #===============================================================================
 import hashlib
 import urllib
 from pylons import request
 
 def gravatar_url(email_address, size=30):
     ssl_enabled = 'https' == request.environ.get('HTTP_X_URL_SCHEME')
     default = 'identicon'
     baseurl_nossl = "http://www.gravatar.com/avatar/"
     baseurl_ssl = "https://secure.gravatar.com/avatar/"
     baseurl = baseurl_ssl if ssl_enabled else baseurl_nossl
         
     
     # construct the url
     gravatar_url = baseurl + hashlib.md5(email_address.lower()).hexdigest() + "?"
     gravatar_url += urllib.urlencode({'d':default, 's':str(size)})
 
     return gravatar_url