prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  link formatting not working properly
  I made a markdown link, but the "<a href" part was trimmed and garbled html remained
  
  </issue>
  <code>
  [start of bookwyrm/views/status.py]
  1 ''' what are we here for if not for posting '''
  2 import re
  3 from django.contrib.auth.decorators import login_required
  4 from django.http import HttpResponseBadRequest
  5 from django.shortcuts import get_object_or_404, redirect
  6 from django.utils.decorators import method_decorator
  7 from django.views import View
  8 from markdown import markdown
  9 
  10 from bookwyrm import forms, models
  11 from bookwyrm.sanitize_html import InputHtmlParser
  12 from bookwyrm.settings import DOMAIN
  13 from bookwyrm.status import create_notification, delete_status
  14 from bookwyrm.utils import regex
  15 from .helpers import handle_remote_webfinger
  16 
  17 
  18 # pylint: disable= no-self-use
  19 @method_decorator(login_required, name='dispatch')
  20 class CreateStatus(View):
  21     ''' the view for *posting* '''
  22     def post(self, request, status_type):
  23         ''' create  status of whatever type '''
  24         status_type = status_type[0].upper() + status_type[1:]
  25 
  26         try:
  27             form = getattr(forms, '%sForm' % status_type)(request.POST)
  28         except AttributeError:
  29             return HttpResponseBadRequest()
  30         if not form.is_valid():
  31             return redirect(request.headers.get('Referer', '/'))
  32 
  33         status = form.save(commit=False)
  34         if not status.sensitive and status.content_warning:
  35             # the cw text field remains populated when you click "remove"
  36             status.content_warning = None
  37         status.save(broadcast=False)
  38 
  39         # inspect the text for user tags
  40         content = status.content
  41         for (mention_text, mention_user) in find_mentions(content):
  42             # add them to status mentions fk
  43             status.mention_users.add(mention_user)
  44 
  45             # turn the mention into a link
  46             content = re.sub(
  47                 r'%s([^@]|$)' % mention_text,
  48                 r'<a href="%s">%s</a>\g<1>' % \
  49                     (mention_user.remote_id, mention_text),
  50                 content)
  51 
  52         # add reply parent to mentions and notify
  53         if status.reply_parent:
  54             status.mention_users.add(status.reply_parent.user)
  55 
  56             if status.reply_parent.user.local:
  57                 create_notification(
  58                     status.reply_parent.user,
  59                     'REPLY',
  60                     related_user=request.user,
  61                     related_status=status
  62                 )
  63 
  64         # deduplicate mentions
  65         status.mention_users.set(set(status.mention_users.all()))
  66         # create mention notifications
  67         for mention_user in status.mention_users.all():
  68             if status.reply_parent and mention_user == status.reply_parent.user:
  69                 continue
  70             if mention_user.local:
  71                 create_notification(
  72                     mention_user,
  73                     'MENTION',
  74                     related_user=request.user,
  75                     related_status=status
  76                 )
  77 
  78         # don't apply formatting to generated notes
  79         if not isinstance(status, models.GeneratedNote):
  80             status.content = to_markdown(content)
  81         # do apply formatting to quotes
  82         if hasattr(status, 'quote'):
  83             status.quote = to_markdown(status.quote)
  84 
  85         status.save(created=True)
  86         return redirect(request.headers.get('Referer', '/'))
  87 
  88 
  89 class DeleteStatus(View):
  90     ''' tombstone that bad boy '''
  91     def post(self, request, status_id):
  92         ''' delete and tombstone a status '''
  93         status = get_object_or_404(models.Status, id=status_id)
  94 
  95         # don't let people delete other people's statuses
  96         if status.user != request.user:
  97             return HttpResponseBadRequest()
  98 
  99         # perform deletion
  100         delete_status(status)
  101         return redirect(request.headers.get('Referer', '/'))
  102 
  103 def find_mentions(content):
  104     ''' detect @mentions in raw status content '''
  105     for match in re.finditer(regex.strict_username, content):
  106         username = match.group().strip().split('@')[1:]
  107         if len(username) == 1:
  108             # this looks like a local user (@user), fill in the domain
  109             username.append(DOMAIN)
  110         username = '@'.join(username)
  111 
  112         mention_user = handle_remote_webfinger(username)
  113         if not mention_user:
  114             # we can ignore users we don't know about
  115             continue
  116         yield (match.group(), mention_user)
  117 
  118 
  119 def format_links(content):
  120     ''' detect and format links '''
  121     return re.sub(
  122         r'([^(href=")]|^|\()(https?:\/\/(%s([\w\.\-_\/+&\?=:;,])*))' % \
  123                 regex.domain,
  124         r'\g<1><a href="\g<2>">\g<3></a>',
  125         content)
  126 
  127 def to_markdown(content):
  128     ''' catch links and convert to markdown '''
  129     content = format_links(content)
  130     content = markdown(content)
  131     # sanitize resulting html
  132     sanitizer = InputHtmlParser()
  133     sanitizer.feed(content)
  134     return sanitizer.get_output()
  135
  [end of bookwyrm/views/status.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: diff --git a/bookwyrm/views/status.py b/bookwyrm/views/status.py
  --- a/bookwyrm/views/status.py
  +++ b/bookwyrm/views/status.py
  @@ -48,7 +48,6 @@
                   r'<a href="%s">%s</a>\g<1>' % \
                       (mention_user.remote_id, mention_text),
                   content)
  -
           # add reply parent to mentions and notify
           if status.reply_parent:
               status.mention_users.add(status.reply_parent.user)
  @@ -126,8 +125,8 @@
   
   def to_markdown(content):
       ''' catch links and convert to markdown '''
  -    content = format_links(content)
       content = markdown(content)
  +    content = format_links(content)
       # sanitize resulting html
       sanitizer = InputHtmlParser()
       sanitizer.feed(content)
  
verification_info: {"golden_diff": "diff --git a/bookwyrm/views/status.py b/bookwyrm/views/status.py\n--- a/bookwyrm/views/status.py\n+++ b/bookwyrm/views/status.py\n@@ -48,7 +48,6 @@\n                 r'<a href=\"%s\">%s</a>\\g<1>' % \\\n                     (mention_user.remote_id, mention_text),\n                 content)\n-\n         # add reply parent to mentions and notify\n         if status.reply_parent:\n             status.mention_users.add(status.reply_parent.user)\n@@ -126,8 +125,8 @@\n \n def to_markdown(content):\n     ''' catch links and convert to markdown '''\n-    content = format_links(content)\n     content = markdown(content)\n+    content = format_links(content)\n     # sanitize resulting html\n     sanitizer = InputHtmlParser()\n     sanitizer.feed(content)\n", "issue": "link formatting not working properly\nI made a markdown link, but the \"<a href\" part was trimmed and garbled html remained\n", "before_files": [{"content": "''' what are we here for if not for posting '''\nimport re\nfrom django.contrib.auth.decorators import login_required\nfrom django.http import HttpResponseBadRequest\nfrom django.shortcuts import get_object_or_404, redirect\nfrom django.utils.decorators import method_decorator\nfrom django.views import View\nfrom markdown import markdown\n\nfrom bookwyrm import forms, models\nfrom bookwyrm.sanitize_html import InputHtmlParser\nfrom bookwyrm.settings import DOMAIN\nfrom bookwyrm.status import create_notification, delete_status\nfrom bookwyrm.utils import regex\nfrom .helpers import handle_remote_webfinger\n\n\n# pylint: disable= no-self-use\n@method_decorator(login_required, name='dispatch')\nclass CreateStatus(View):\n    ''' the view for *posting* '''\n    def post(self, request, status_type):\n        ''' create  status of whatever type '''\n        status_type = status_type[0].upper() + status_type[1:]\n\n        try:\n            form = getattr(forms, '%sForm' % status_type)(request.POST)\n        except AttributeError:\n            return HttpResponseBadRequest()\n        if not form.is_valid():\n            return redirect(request.headers.get('Referer', '/'))\n\n        status = form.save(commit=False)\n        if not status.sensitive and status.content_warning:\n            # the cw text field remains populated when you click \"remove\"\n            status.content_warning = None\n        status.save(broadcast=False)\n\n        # inspect the text for user tags\n        content = status.content\n        for (mention_text, mention_user) in find_mentions(content):\n            # add them to status mentions fk\n            status.mention_users.add(mention_user)\n\n            # turn the mention into a link\n            content = re.sub(\n                r'%s([^@]|$)' % mention_text,\n                r'<a href=\"%s\">%s</a>\\g<1>' % \\\n                    (mention_user.remote_id, mention_text),\n                content)\n\n        # add reply parent to mentions and notify\n        if status.reply_parent:\n            status.mention_users.add(status.reply_parent.user)\n\n            if status.reply_parent.user.local:\n                create_notification(\n                    status.reply_parent.user,\n                    'REPLY',\n                    related_user=request.user,\n                    related_status=status\n                )\n\n        # deduplicate mentions\n        status.mention_users.set(set(status.mention_users.all()))\n        # create mention notifications\n        for mention_user in status.mention_users.all():\n            if status.reply_parent and mention_user == status.reply_parent.user:\n                continue\n            if mention_user.local:\n                create_notification(\n                    mention_user,\n                    'MENTION',\n                    related_user=request.user,\n                    related_status=status\n                )\n\n        # don't apply formatting to generated notes\n        if not isinstance(status, models.GeneratedNote):\n            status.content = to_markdown(content)\n        # do apply formatting to quotes\n        if hasattr(status, 'quote'):\n            status.quote = to_markdown(status.quote)\n\n        status.save(created=True)\n        return redirect(request.headers.get('Referer', '/'))\n\n\nclass DeleteStatus(View):\n    ''' tombstone that bad boy '''\n    def post(self, request, status_id):\n        ''' delete and tombstone a status '''\n        status = get_object_or_404(models.Status, id=status_id)\n\n        # don't let people delete other people's statuses\n        if status.user != request.user:\n            return HttpResponseBadRequest()\n\n        # perform deletion\n        delete_status(status)\n        return redirect(request.headers.get('Referer', '/'))\n\ndef find_mentions(content):\n    ''' detect @mentions in raw status content '''\n    for match in re.finditer(regex.strict_username, content):\n        username = match.group().strip().split('@')[1:]\n        if len(username) == 1:\n            # this looks like a local user (@user), fill in the domain\n            username.append(DOMAIN)\n        username = '@'.join(username)\n\n        mention_user = handle_remote_webfinger(username)\n        if not mention_user:\n            # we can ignore users we don't know about\n            continue\n        yield (match.group(), mention_user)\n\n\ndef format_links(content):\n    ''' detect and format links '''\n    return re.sub(\n        r'([^(href=\")]|^|\\()(https?:\\/\\/(%s([\\w\\.\\-_\\/+&\\?=:;,])*))' % \\\n                regex.domain,\n        r'\\g<1><a href=\"\\g<2>\">\\g<3></a>',\n        content)\n\ndef to_markdown(content):\n    ''' catch links and convert to markdown '''\n    content = format_links(content)\n    content = markdown(content)\n    # sanitize resulting html\n    sanitizer = InputHtmlParser()\n    sanitizer.feed(content)\n    return sanitizer.get_output()\n", "path": "bookwyrm/views/status.py"}]}