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author | Evgeny Fadeev <evgeny.fadeev@gmail.com> | 2011-09-26 18:29:40 -0300 |
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committer | Evgeny Fadeev <evgeny.fadeev@gmail.com> | 2011-09-26 18:33:28 -0300 |
commit | 56b83e94717bd46b8d1fb9c638bbad044ea28f88 (patch) | |
tree | af0bf1a499178a088d1d67300e16e068b0d3d4d6 | |
parent | 10ff7a37e1403f96f73918b6b30a51da1f56a654 (diff) | |
download | askbot-56b83e94717bd46b8d1fb9c638bbad044ea28f88.tar.gz askbot-56b83e94717bd46b8d1fb9c638bbad044ea28f88.tar.bz2 askbot-56b83e94717bd46b8d1fb9c638bbad044ea28f88.zip |
pylinted markup.py files in askbot/conf and askbot/utils
-rw-r--r-- | askbot/conf/markup.py | 87 | ||||
-rw-r--r-- | askbot/doc/source/changelog.rst | 4 | ||||
-rw-r--r-- | askbot/utils/markup.py | 71 |
3 files changed, 96 insertions, 66 deletions
diff --git a/askbot/conf/markup.py b/askbot/conf/markup.py index 077c2d9f..e4202f05 100644 --- a/askbot/conf/markup.py +++ b/askbot/conf/markup.py @@ -6,9 +6,7 @@ from askbot.conf.settings_wrapper import settings from askbot.deps.livesettings import ConfigurationGroup from askbot.deps.livesettings import BooleanValue, StringValue, LongStringValue from django.utils.translation import ugettext as _ -import askbot from askbot import const -import os import re MARKUP = ConfigurationGroup( @@ -16,27 +14,20 @@ MARKUP = ConfigurationGroup( _('Markup formatting') ) -AUTOLINK = ConfigurationGroup( - 'AUTOLINK', - _('Auto link a pattern to an URL') - -) - def regex_settings_validation(*args): """ Validate the regular expressions - """ try: new_value = args[1] regex_list = new_value.split('\n') - for i in range(0,len(regex_list)): + for i in range(0, len(regex_list)): re.compile(regex_list[i].strip()) return args[1] - except Exception, e: + except Exception: # The regex is invalid, so we overwrite it with empty string return "" @@ -92,34 +83,36 @@ settings.register( settings.register( - BooleanValue( - AUTOLINK, - 'ENABLE_AUTO_LINKING', - description=_('Enable autolinking a specifc pattern'), - help_text=_( - 'If you enable this feature, ' - 'the application will be able to ' - 'detect patterns and auto link to URLs' - ), - - default = False - ) - ) + BooleanValue( + MARKUP, + 'ENABLE_AUTO_LINKING', + description=_('Enable autolinking with specific patterns'), + help_text=_( + 'If you enable this feature, ' + 'the application will be able to ' + 'detect patterns and auto link to URLs' + ), + default = False + ) +) settings.register( LongStringValue( - AUTOLINK, - 'PATTERN', - description=_('Regex to detect the pattern'), + MARKUP, + 'AUTO_LINK_PATTERNS', + description=_('Regexes to detect the link patterns'), help_text=_( - ' Enter valid regular expressions to' - ' detect patterns. If you want to auto' - ' link more than one key terms enter them' - ' line by line. For example to' - ' detect a bug pattern like #rhbz 637402' - ' you will have use the following regex #rhbz\s(\d+)' - ), + 'Enter valid regular expressions for the patters,' + ' one per line.' + ' For example to' + ' detect a bug pattern like #bug123,' + ' use the following regex: #bug(\d+). The numbers' + ' captured by the pattern in the parentheses will' + ' be transferred to the link url template.' + ' Please look up more information about regular' + ' expressions elsewhere.' + ), update_callback=regex_settings_validation, default = '' ) @@ -127,20 +120,20 @@ settings.register( settings.register( LongStringValue( - AUTOLINK, - 'AUTO_LINK_URL', - description=_('URL for autolinking'), + MARKUP, + 'AUTO_LINK_URLS', + description=_('URLs for autolinking'), help_text=_( - ' The regex to detect pattern #rhbz 637402' - ' is #rhbz\s(\d+), If you want to auto link it to the actual bug' - ' then the autolink URL should be entered here. Example URL can be' + 'Here, please enter url templates for the patterns' + ' entered in the previous setting, also one entry per line.' + ' <strong>Make sure that number of lines in this setting' + ' and the previous one are the same</strong>' + ' For example template' ' https://bugzilla.redhat.com/show_bug.cgi?id=\\1' - ' where \\1 is the saved match (bugid) from the regular expression.' - ' Multiple URLs should be entered in separate lines.' - ' The URL entered in first line' - ' will be used to auto link the first pattern or key term' - ), + ' together with the pattern shown above' + ' and the entry in the post #123' + ' will produce link to the bug 123 in the redhat bug tracker.' + ), default = '' - ) ) - +) diff --git a/askbot/doc/source/changelog.rst b/askbot/doc/source/changelog.rst index 7bbd734c..04062dc2 100644 --- a/askbot/doc/source/changelog.rst +++ b/askbot/doc/source/changelog.rst @@ -1,6 +1,10 @@ Changes in Askbot ================= +Development version (not released yet) +-------------------------------------- +* Auto-link patterns - e.g. to bug databases - are configurable from settings. (Arun SAG) + 0.7.23 (Current Version) ------------------- * Greeting for anonymuos users can be changed from live settings (Hrishi) diff --git a/askbot/utils/markup.py b/askbot/utils/markup.py index 3b16a5b2..60bde9a0 100644 --- a/askbot/utils/markup.py +++ b/askbot/utils/markup.py @@ -1,9 +1,13 @@ +"""methods that make parsing of post inputs possible, +handling of markdown and additional syntax rules - +such as optional link patterns, video embedding and +Twitter-style @mentions""" + import re import logging from askbot import const from askbot.conf import settings as askbot_settings from markdown2 import Markdown - #url taken from http://regexlib.com/REDetails.aspx?regexp_id=501 by Brian Bothwell URL_RE = re.compile("((?<!(href|.src|data)=['\"])((http|https|ftp)\://([a-zA-Z0-9\.\-]+(\:[a-zA-Z0-9\.&%\$\-]+)*@)*((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|localhost|([a-zA-Z0-9\-]+\.)*[a-zA-Z0-9\-]+\.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{2}))(\:[0-9]+)*(/($|[a-zA-Z0-9\.\,\?\'\\\+&%\$#\=~_\-]+))*))") @@ -13,6 +17,8 @@ LINK_PATTERNS = [ def get_parser(): + """returns an instance of configured ``markdown2`` parser + """ extras = ['link-patterns', 'video'] if askbot_settings.ENABLE_MATHJAX or \ askbot_settings.MARKUP_CODE_FRIENDLY: @@ -25,18 +31,28 @@ def get_parser(): extras.append('video') if askbot_settings.ENABLE_AUTO_LINKING: - pattern_list = askbot_settings.PATTERN.split('\n') - url_list = askbot_settings.AUTO_LINK_URL.split('\n') + pattern_list = askbot_settings.AUTO_LINK_PATTERNS.split('\n') + url_list = askbot_settings.AUTO_LINK_URLS.split('\n') + pairs = zip(pattern_list, url_list)#always takes equal number of items + for item in pairs: + LINK_PATTERNS.append( + ( + re.compile(item[0]), + item[1].strip() + ) + ) - # Check whether we have matching links for all key terms, Other wise we ignore the key terms - # May be we should do this test in update_callback? - if len(pattern_list) == len(url_list): - for i in range(0,len(pattern_list)): - LINK_PATTERNS.append((re.compile(pattern_list[i].strip()),url_list[i].strip())) - else: + #Check whether we have matching links for all key terms, + #Other wise we ignore the key terms + #May be we should do this test in update_callback? + #looks like this might be a defect of livesettings + #as there seems to be no way + #to validate entries that depend on each other + if len(pattern_list) != len(url_list): settings_url = askbot_settings.APP_URL+'/settings/AUTOLINK/' - logging.debug("Number of keyterms didn't match the number of links, fix this by visiting" + settings_url) - + logging.critical( + "Number of autolink patterns didn't match the number " + "of url templates, fix this by visiting" + settings_url) return Markdown( html4tags=True, @@ -46,18 +62,23 @@ def get_parser(): def format_mention_in_html(mentioned_user): + """formats mention as url to the user profile""" url = mentioned_user.get_profile_url() username = mentioned_user.username return '<a href="%s">@%s</a>' % (url, username) def extract_first_matching_mentioned_author(text, anticipated_authors): + """matches beginning of ``text`` string with the names + of ``anticipated_authors`` - list of user objects. + Returns upon first match the first matched user object + and the remainder of the ``text`` that is left unmatched""" if len(text) == 0: return None, '' - for a in anticipated_authors: - if text.lower().startswith(a.username.lower()): - ulen = len(a.username) + for author in anticipated_authors: + if text.lower().startswith(author.username.lower()): + ulen = len(author.username) if len(text) == ulen: text = '' elif text[ulen] in const.TWITTER_STYLE_MENTION_TERMINATION_CHARS: @@ -66,17 +87,24 @@ def extract_first_matching_mentioned_author(text, anticipated_authors): #near miss, here we could insert a warning that perhaps #a termination character is needed continue - return a, text + return author, text return None, text def extract_mentioned_name_seeds(text): + """Returns list of strings that + follow the '@' symbols in the text. + The strings will be 10 characters long, + or shorter, if the subsequent character + is one of the list accepted to be termination + characters. + """ extra_name_seeds = set() while '@' in text: pos = text.index('@') text = text[pos+1:]#chop off prefix name_seed = '' - for c in text: - if c in const.TWITTER_STYLE_MENTION_TERMINATION_CHARS: + for char in text: + if char in const.TWITTER_STYLE_MENTION_TERMINATION_CHARS: extra_name_seeds.add(name_seed) name_seed = '' break @@ -84,12 +112,12 @@ def extract_mentioned_name_seeds(text): extra_name_seeds.add(name_seed) name_seed = '' break - if c == '@': + if char == '@': if len(name_seed) > 0: extra_name_seeds.add(name_seed) name_seed = '' break - name_seed += c + name_seed += char if len(name_seed) > 0: #in case we run off the end of text extra_name_seeds.add(name_seed) @@ -97,6 +125,11 @@ def extract_mentioned_name_seeds(text): return extra_name_seeds def mentionize_text(text, anticipated_authors): + """Returns a tuple of two items: + * modified text where @mentions are + replaced with urls to the corresponding user profiles + * list of users whose names matched the @mentions + """ output = '' mentioned_authors = list() while '@' in text: |