We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
CRLFInjection reports in Sentry
We keep getting CRLFInjection exception reports in sentry that @whit537 keeps marking 'ok' :smile: 

If they are ok, we should be catching them.

One of the later ones is a GET for

```
/Allan
ns:netsparker056650=vuln/
```


--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `gittip/wireup.py`
Content:
```
1 """Wireup
2 """
3 from __future__ import absolute_import, division, print_function, unicode_literals
4 import os
5 import sys
6 
7 import aspen
8 import balanced
9 import gittip
10 import raven
11 import psycopg2
12 import stripe
13 from gittip.models.community import Community
14 from gittip.models.participant import Participant
15 from gittip.models import GittipDB
16 
17 
18 def canonical():
19     gittip.canonical_scheme = os.environ['CANONICAL_SCHEME']
20     gittip.canonical_host = os.environ['CANONICAL_HOST']
21 
22 
23 def db():
24     dburl = os.environ['DATABASE_URL']
25     maxconn = int(os.environ['DATABASE_MAXCONN'])
26     db = GittipDB(dburl, maxconn=maxconn)
27 
28     # register hstore type
29     with db.get_cursor() as cursor:
30         psycopg2.extras.register_hstore(cursor, globally=True, unicode=True)
31 
32     db.register_model(Community)
33     db.register_model(Participant)
34 
35     return db
36 
37 
38 def billing():
39     stripe.api_key= os.environ['STRIPE_SECRET_API_KEY']
40     stripe.publishable_api_key= os.environ['STRIPE_PUBLISHABLE_API_KEY']
41     balanced.configure(os.environ['BALANCED_API_SECRET'])
42 
43 
44 def username_restrictions(website):
45     if not hasattr(gittip, 'RESTRICTED_USERNAMES'):
46         gittip.RESTRICTED_USERNAMES = os.listdir(website.www_root)
47 
48 
49 def make_sentry_teller(website):
50     if not website.sentry_dsn:
51         aspen.log_dammit("Won't log to Sentry (SENTRY_DSN is empty).")
52         def noop(exception, request=None):
53             pass
54         return noop
55 
56     sentry = raven.Client(website.sentry_dsn)
57 
58     def tell_sentry(exception, request=None):
59 
60         # Decide if we care.
61         # ==================
62 
63         if exception.__class__ is aspen.Response:
64 
65             if exception.code < 500:
66 
67                 # Only log server errors to Sentry. For responses < 500 we use
68                 # stream-/line-based access logging. See discussion on:
69 
70                 # https://github.com/gittip/www.gittip.com/pull/1560.
71 
72                 return
73 
74 
75         # Find a user.
76         # ============
77         # | is disallowed in usernames, so we can use it here to indicate
78         # situations in which we can't get a username.
79 
80         request_context = getattr(request, 'context', None)
81         user = {}
82         user_id = 'n/a'
83         if request_context is None:
84             username = '| no context'
85         else:
86             user = request.context.get('user', None)
87             if user is None:
88                 username = '| no user'
89             else:
90                 is_anon = getattr(user, 'ANON', None)
91                 if is_anon is None:
92                     username = '| no ANON'
93                 elif is_anon:
94                     username = '| anonymous'
95                 else:
96                     participant = getattr(user, 'participant', None)
97                     if participant is None:
98                         username = '| no participant'
99                     else:
100                         username = getattr(user.participant, 'username', None)
101                         if username is None:
102                             username = '| no username'
103                         else:
104                             user_id = user.participant.id
105                             username = username.encode('utf8')
106                             user = { 'id': user_id
107                                    , 'is_admin': user.participant.is_admin
108                                    , 'is_suspicious': user.participant.is_suspicious
109                                    , 'claimed_time': user.participant.claimed_time.isoformat()
110                                    , 'url': 'https://www.gittip.com/{}/'.format(username)
111                                     }
112 
113 
114         # Fire off a Sentry call.
115         # =======================
116 
117         tags = { 'username': username
118                , 'user_id': user_id
119                 }
120         extra = { 'filepath': getattr(request, 'fs', None)
121                 , 'request': str(request).splitlines()
122                 , 'user': user
123                  }
124         result = sentry.captureException(tags=tags, extra=extra)
125 
126 
127         # Emit a reference string to stdout.
128         # ==================================
129 
130         ident = sentry.get_ident(result)
131         aspen.log_dammit('Exception reference: ' + ident)
132 
133     return tell_sentry
134 
135 
136 def nanswers():
137     from gittip.models import participant
138     participant.NANSWERS_THRESHOLD = int(os.environ['NANSWERS_THRESHOLD'])
139 
140 
141 class BadEnvironment(SystemExit):
142     pass
143 
144 def envvars(website):
145 
146     missing_keys = []
147     malformed_values = []
148 
149     def envvar(key, cast=None):
150         if key not in os.environ:
151             missing_keys.append(key)
152             return ""
153         value = os.environ[key].decode('ASCII')
154         if cast is not None:
155             try:
156                 value = cast(value)
157             except:
158                 err = str(sys.exc_info()[1])
159                 malformed_values.append((key, err))
160                 return ""
161         return value
162 
163     def is_yesish(val):
164         return val.lower() in ('1', 'true', 'yes')
165 
166     website.bitbucket_consumer_key = envvar('BITBUCKET_CONSUMER_KEY')
167     website.bitbucket_consumer_secret = envvar('BITBUCKET_CONSUMER_SECRET')
168     website.bitbucket_callback = envvar('BITBUCKET_CALLBACK')
169 
170     website.github_client_id = envvar('GITHUB_CLIENT_ID')
171     website.github_client_secret = envvar('GITHUB_CLIENT_SECRET')
172     website.github_callback = envvar('GITHUB_CALLBACK')
173 
174     website.twitter_consumer_key = envvar('TWITTER_CONSUMER_KEY')
175     website.twitter_consumer_secret = envvar('TWITTER_CONSUMER_SECRET')
176     website.twitter_access_token = envvar('TWITTER_ACCESS_TOKEN')
177     website.twitter_access_token_secret = envvar('TWITTER_ACCESS_TOKEN_SECRET')
178     website.twitter_callback = envvar('TWITTER_CALLBACK')
179 
180     website.bountysource_www_host = envvar('BOUNTYSOURCE_WWW_HOST')
181     website.bountysource_api_host = envvar('BOUNTYSOURCE_API_HOST')
182     website.bountysource_api_secret = envvar('BOUNTYSOURCE_API_SECRET')
183     website.bountysource_callback = envvar('BOUNTYSOURCE_CALLBACK')
184 
185     website.venmo_client_id = envvar('VENMO_CLIENT_ID')
186     website.venmo_client_secret = envvar('VENMO_CLIENT_SECRET')
187     website.venmo_callback = envvar('VENMO_CALLBACK')
188 
189     website.openstreetmap_api = envvar('OPENSTREETMAP_API')
190     website.openstreetmap_consumer_key = envvar('OPENSTREETMAP_CONSUMER_KEY')
191     website.openstreetmap_consumer_secret = envvar('OPENSTREETMAP_CONSUMER_SECRET')
192     website.openstreetmap_callback = envvar('OPENSTREETMAP_CALLBACK')
193 
194     website.asset_version_url = envvar('GITTIP_ASSET_VERSION_URL') \
195                                       .replace('%version', website.version)
196     website.asset_url = envvar('GITTIP_ASSET_URL')
197     website.cache_static = is_yesish(envvar('GITTIP_CACHE_STATIC'))
198     website.compress_assets = is_yesish(envvar('GITTIP_COMPRESS_ASSETS'))
199 
200     website.google_analytics_id = envvar('GOOGLE_ANALYTICS_ID')
201     website.sentry_dsn = envvar('SENTRY_DSN')
202 
203     website.min_threads = envvar('MIN_THREADS', int)
204     website.log_busy_threads_every = envvar('LOG_BUSY_THREADS_EVERY', int)
205     website.log_metrics = is_yesish(envvar('LOG_METRICS'))
206 
207     if malformed_values:
208         malformed_values.sort()
209         these = len(malformed_values) != 1 and 'these' or 'this'
210         plural = len(malformed_values) != 1 and 's' or ''
211         aspen.log_dammit("=" * 42)
212         aspen.log_dammit( "Oh no! Gittip.com couldn't understand %s " % these
213                         , "environment variable%s:" % plural
214                          )
215         aspen.log_dammit(" ")
216         for key, err in malformed_values:
217             aspen.log_dammit("  {} ({})".format(key, err))
218         aspen.log_dammit(" ")
219         aspen.log_dammit("See ./default_local.env for hints.")
220 
221         aspen.log_dammit("=" * 42)
222         keys = ', '.join([key for key in malformed_values])
223         raise BadEnvironment("Malformed envvar{}: {}.".format(plural, keys))
224 
225     if missing_keys:
226         missing_keys.sort()
227         these = len(missing_keys) != 1 and 'these' or 'this'
228         plural = len(missing_keys) != 1 and 's' or ''
229         aspen.log_dammit("=" * 42)
230         aspen.log_dammit( "Oh no! Gittip.com needs %s missing " % these
231                         , "environment variable%s:" % plural
232                          )
233         aspen.log_dammit(" ")
234         for key in missing_keys:
235             aspen.log_dammit("  " + key)
236         aspen.log_dammit(" ")
237         aspen.log_dammit( "(Sorry, we must've started looking for "
238                         , "%s since you last updated Gittip!)" % these
239                          )
240         aspen.log_dammit(" ")
241         aspen.log_dammit("Running Gittip locally? Edit ./local.env.")
242         aspen.log_dammit("Running the test suite? Edit ./tests/env.")
243         aspen.log_dammit(" ")
244         aspen.log_dammit("See ./default_local.env for hints.")
245 
246         aspen.log_dammit("=" * 42)
247         keys = ', '.join([key for key in missing_keys])
248         raise BadEnvironment("Missing envvar{}: {}.".format(plural, keys))
249
```
--- END FILES ---

Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.

Here is an example:

```diff
diff --git a/examples/server_async.py b/examples/server_async.py
--- a/examples/server_async.py
+++ b/examples/server_async.py
@@ -313,4 +313,4 @@
 
 
 if __name__ == "__main__":
-    asyncio.run(run_async_server("."), debug=True)
+    asyncio.run(run_async_server(), debug=True)
diff --git a/examples/server_sync.py b/examples/server_sync.py
--- a/examples/server_sync.py
+++ b/examples/server_sync.py
@@ -313,5 +313,5 @@
 
 
 if __name__ == "__main__":
-    server = run_sync_server(".")
+    server = run_sync_server()
     server.shutdown()

```

diff --git a/gittip/wireup.py b/gittip/wireup.py
--- a/gittip/wireup.py
+++ b/gittip/wireup.py
@@ -60,7 +60,7 @@
         # Decide if we care.
         # ==================
 
-        if exception.__class__ is aspen.Response:
+        if isinstance(exception, aspen.Response):
 
             if exception.code < 500:

{"golden_diff": "diff --git a/gittip/wireup.py b/gittip/wireup.py\n--- a/gittip/wireup.py\n+++ b/gittip/wireup.py\n@@ -60,7 +60,7 @@\n         # Decide if we care.\n         # ==================\n \n-        if exception.__class__ is aspen.Response:\n+        if isinstance(exception, aspen.Response):\n \n             if exception.code < 500:\n", "issue": "CRLFInjection reports in Sentry\nWe keep getting CRLFInjection exception reports in sentry that @whit537 keeps marking 'ok' :smile: \n\nIf they are ok, we should be catching them.\n\nOne of the later ones is a GET for\n\n```\n/Allan\nns:netsparker056650=vuln/\n```\n\n", "before_files": [{"content": "\"\"\"Wireup\n\"\"\"\nfrom __future__ import absolute_import, division, print_function, unicode_literals\nimport os\nimport sys\n\nimport aspen\nimport balanced\nimport gittip\nimport raven\nimport psycopg2\nimport stripe\nfrom gittip.models.community import Community\nfrom gittip.models.participant import Participant\nfrom gittip.models import GittipDB\n\n\ndef canonical():\n    gittip.canonical_scheme = os.environ['CANONICAL_SCHEME']\n    gittip.canonical_host = os.environ['CANONICAL_HOST']\n\n\ndef db():\n    dburl = os.environ['DATABASE_URL']\n    maxconn = int(os.environ['DATABASE_MAXCONN'])\n    db = GittipDB(dburl, maxconn=maxconn)\n\n    # register hstore type\n    with db.get_cursor() as cursor:\n        psycopg2.extras.register_hstore(cursor, globally=True, unicode=True)\n\n    db.register_model(Community)\n    db.register_model(Participant)\n\n    return db\n\n\ndef billing():\n    stripe.api_key= os.environ['STRIPE_SECRET_API_KEY']\n    stripe.publishable_api_key= os.environ['STRIPE_PUBLISHABLE_API_KEY']\n    balanced.configure(os.environ['BALANCED_API_SECRET'])\n\n\ndef username_restrictions(website):\n    if not hasattr(gittip, 'RESTRICTED_USERNAMES'):\n        gittip.RESTRICTED_USERNAMES = os.listdir(website.www_root)\n\n\ndef make_sentry_teller(website):\n    if not website.sentry_dsn:\n        aspen.log_dammit(\"Won't log to Sentry (SENTRY_DSN is empty).\")\n        def noop(exception, request=None):\n            pass\n        return noop\n\n    sentry = raven.Client(website.sentry_dsn)\n\n    def tell_sentry(exception, request=None):\n\n        # Decide if we care.\n        # ==================\n\n        if exception.__class__ is aspen.Response:\n\n            if exception.code < 500:\n\n                # Only log server errors to Sentry. For responses < 500 we use\n                # stream-/line-based access logging. See discussion on:\n\n                # https://github.com/gittip/www.gittip.com/pull/1560.\n\n                return\n\n\n        # Find a user.\n        # ============\n        # | is disallowed in usernames, so we can use it here to indicate\n        # situations in which we can't get a username.\n\n        request_context = getattr(request, 'context', None)\n        user = {}\n        user_id = 'n/a'\n        if request_context is None:\n            username = '| no context'\n        else:\n            user = request.context.get('user', None)\n            if user is None:\n                username = '| no user'\n            else:\n                is_anon = getattr(user, 'ANON', None)\n                if is_anon is None:\n                    username = '| no ANON'\n                elif is_anon:\n                    username = '| anonymous'\n                else:\n                    participant = getattr(user, 'participant', None)\n                    if participant is None:\n                        username = '| no participant'\n                    else:\n                        username = getattr(user.participant, 'username', None)\n                        if username is None:\n                            username = '| no username'\n                        else:\n                            user_id = user.participant.id\n                            username = username.encode('utf8')\n                            user = { 'id': user_id\n                                   , 'is_admin': user.participant.is_admin\n                                   , 'is_suspicious': user.participant.is_suspicious\n                                   , 'claimed_time': user.participant.claimed_time.isoformat()\n                                   , 'url': 'https://www.gittip.com/{}/'.format(username)\n                                    }\n\n\n        # Fire off a Sentry call.\n        # =======================\n\n        tags = { 'username': username\n               , 'user_id': user_id\n                }\n        extra = { 'filepath': getattr(request, 'fs', None)\n                , 'request': str(request).splitlines()\n                , 'user': user\n                 }\n        result = sentry.captureException(tags=tags, extra=extra)\n\n\n        # Emit a reference string to stdout.\n        # ==================================\n\n        ident = sentry.get_ident(result)\n        aspen.log_dammit('Exception reference: ' + ident)\n\n    return tell_sentry\n\n\ndef nanswers():\n    from gittip.models import participant\n    participant.NANSWERS_THRESHOLD = int(os.environ['NANSWERS_THRESHOLD'])\n\n\nclass BadEnvironment(SystemExit):\n    pass\n\ndef envvars(website):\n\n    missing_keys = []\n    malformed_values = []\n\n    def envvar(key, cast=None):\n        if key not in os.environ:\n            missing_keys.append(key)\n            return \"\"\n        value = os.environ[key].decode('ASCII')\n        if cast is not None:\n            try:\n                value = cast(value)\n            except:\n                err = str(sys.exc_info()[1])\n                malformed_values.append((key, err))\n                return \"\"\n        return value\n\n    def is_yesish(val):\n        return val.lower() in ('1', 'true', 'yes')\n\n    website.bitbucket_consumer_key = envvar('BITBUCKET_CONSUMER_KEY')\n    website.bitbucket_consumer_secret = envvar('BITBUCKET_CONSUMER_SECRET')\n    website.bitbucket_callback = envvar('BITBUCKET_CALLBACK')\n\n    website.github_client_id = envvar('GITHUB_CLIENT_ID')\n    website.github_client_secret = envvar('GITHUB_CLIENT_SECRET')\n    website.github_callback = envvar('GITHUB_CALLBACK')\n\n    website.twitter_consumer_key = envvar('TWITTER_CONSUMER_KEY')\n    website.twitter_consumer_secret = envvar('TWITTER_CONSUMER_SECRET')\n    website.twitter_access_token = envvar('TWITTER_ACCESS_TOKEN')\n    website.twitter_access_token_secret = envvar('TWITTER_ACCESS_TOKEN_SECRET')\n    website.twitter_callback = envvar('TWITTER_CALLBACK')\n\n    website.bountysource_www_host = envvar('BOUNTYSOURCE_WWW_HOST')\n    website.bountysource_api_host = envvar('BOUNTYSOURCE_API_HOST')\n    website.bountysource_api_secret = envvar('BOUNTYSOURCE_API_SECRET')\n    website.bountysource_callback = envvar('BOUNTYSOURCE_CALLBACK')\n\n    website.venmo_client_id = envvar('VENMO_CLIENT_ID')\n    website.venmo_client_secret = envvar('VENMO_CLIENT_SECRET')\n    website.venmo_callback = envvar('VENMO_CALLBACK')\n\n    website.openstreetmap_api = envvar('OPENSTREETMAP_API')\n    website.openstreetmap_consumer_key = envvar('OPENSTREETMAP_CONSUMER_KEY')\n    website.openstreetmap_consumer_secret = envvar('OPENSTREETMAP_CONSUMER_SECRET')\n    website.openstreetmap_callback = envvar('OPENSTREETMAP_CALLBACK')\n\n    website.asset_version_url = envvar('GITTIP_ASSET_VERSION_URL') \\\n                                      .replace('%version', website.version)\n    website.asset_url = envvar('GITTIP_ASSET_URL')\n    website.cache_static = is_yesish(envvar('GITTIP_CACHE_STATIC'))\n    website.compress_assets = is_yesish(envvar('GITTIP_COMPRESS_ASSETS'))\n\n    website.google_analytics_id = envvar('GOOGLE_ANALYTICS_ID')\n    website.sentry_dsn = envvar('SENTRY_DSN')\n\n    website.min_threads = envvar('MIN_THREADS', int)\n    website.log_busy_threads_every = envvar('LOG_BUSY_THREADS_EVERY', int)\n    website.log_metrics = is_yesish(envvar('LOG_METRICS'))\n\n    if malformed_values:\n        malformed_values.sort()\n        these = len(malformed_values) != 1 and 'these' or 'this'\n        plural = len(malformed_values) != 1 and 's' or ''\n        aspen.log_dammit(\"=\" * 42)\n        aspen.log_dammit( \"Oh no! Gittip.com couldn't understand %s \" % these\n                        , \"environment variable%s:\" % plural\n                         )\n        aspen.log_dammit(\" \")\n        for key, err in malformed_values:\n            aspen.log_dammit(\"  {} ({})\".format(key, err))\n        aspen.log_dammit(\" \")\n        aspen.log_dammit(\"See ./default_local.env for hints.\")\n\n        aspen.log_dammit(\"=\" * 42)\n        keys = ', '.join([key for key in malformed_values])\n        raise BadEnvironment(\"Malformed envvar{}: {}.\".format(plural, keys))\n\n    if missing_keys:\n        missing_keys.sort()\n        these = len(missing_keys) != 1 and 'these' or 'this'\n        plural = len(missing_keys) != 1 and 's' or ''\n        aspen.log_dammit(\"=\" * 42)\n        aspen.log_dammit( \"Oh no! Gittip.com needs %s missing \" % these\n                        , \"environment variable%s:\" % plural\n                         )\n        aspen.log_dammit(\" \")\n        for key in missing_keys:\n            aspen.log_dammit(\"  \" + key)\n        aspen.log_dammit(\" \")\n        aspen.log_dammit( \"(Sorry, we must've started looking for \"\n                        , \"%s since you last updated Gittip!)\" % these\n                         )\n        aspen.log_dammit(\" \")\n        aspen.log_dammit(\"Running Gittip locally? Edit ./local.env.\")\n        aspen.log_dammit(\"Running the test suite? Edit ./tests/env.\")\n        aspen.log_dammit(\" \")\n        aspen.log_dammit(\"See ./default_local.env for hints.\")\n\n        aspen.log_dammit(\"=\" * 42)\n        keys = ', '.join([key for key in missing_keys])\n        raise BadEnvironment(\"Missing envvar{}: {}.\".format(plural, keys))\n", "path": "gittip/wireup.py"}], "after_files": [{"content": "\"\"\"Wireup\n\"\"\"\nfrom __future__ import absolute_import, division, print_function, unicode_literals\nimport os\nimport sys\n\nimport aspen\nimport balanced\nimport gittip\nimport raven\nimport psycopg2\nimport stripe\nfrom gittip.models.community import Community\nfrom gittip.models.participant import Participant\nfrom gittip.models import GittipDB\n\n\ndef canonical():\n    gittip.canonical_scheme = os.environ['CANONICAL_SCHEME']\n    gittip.canonical_host = os.environ['CANONICAL_HOST']\n\n\ndef db():\n    dburl = os.environ['DATABASE_URL']\n    maxconn = int(os.environ['DATABASE_MAXCONN'])\n    db = GittipDB(dburl, maxconn=maxconn)\n\n    # register hstore type\n    with db.get_cursor() as cursor:\n        psycopg2.extras.register_hstore(cursor, globally=True, unicode=True)\n\n    db.register_model(Community)\n    db.register_model(Participant)\n\n    return db\n\n\ndef billing():\n    stripe.api_key= os.environ['STRIPE_SECRET_API_KEY']\n    stripe.publishable_api_key= os.environ['STRIPE_PUBLISHABLE_API_KEY']\n    balanced.configure(os.environ['BALANCED_API_SECRET'])\n\n\ndef username_restrictions(website):\n    if not hasattr(gittip, 'RESTRICTED_USERNAMES'):\n        gittip.RESTRICTED_USERNAMES = os.listdir(website.www_root)\n\n\ndef make_sentry_teller(website):\n    if not website.sentry_dsn:\n        aspen.log_dammit(\"Won't log to Sentry (SENTRY_DSN is empty).\")\n        def noop(exception, request=None):\n            pass\n        return noop\n\n    sentry = raven.Client(website.sentry_dsn)\n\n    def tell_sentry(exception, request=None):\n\n        # Decide if we care.\n        # ==================\n\n        if isinstance(exception, aspen.Response):\n\n            if exception.code < 500:\n\n                # Only log server errors to Sentry. For responses < 500 we use\n                # stream-/line-based access logging. See discussion on:\n\n                # https://github.com/gittip/www.gittip.com/pull/1560.\n\n                return\n\n\n        # Find a user.\n        # ============\n        # | is disallowed in usernames, so we can use it here to indicate\n        # situations in which we can't get a username.\n\n        request_context = getattr(request, 'context', None)\n        user = {}\n        user_id = 'n/a'\n        if request_context is None:\n            username = '| no context'\n        else:\n            user = request.context.get('user', None)\n            if user is None:\n                username = '| no user'\n            else:\n                is_anon = getattr(user, 'ANON', None)\n                if is_anon is None:\n                    username = '| no ANON'\n                elif is_anon:\n                    username = '| anonymous'\n                else:\n                    participant = getattr(user, 'participant', None)\n                    if participant is None:\n                        username = '| no participant'\n                    else:\n                        username = getattr(user.participant, 'username', None)\n                        if username is None:\n                            username = '| no username'\n                        else:\n                            user_id = user.participant.id\n                            username = username.encode('utf8')\n                            user = { 'id': user_id\n                                   , 'is_admin': user.participant.is_admin\n                                   , 'is_suspicious': user.participant.is_suspicious\n                                   , 'claimed_time': user.participant.claimed_time.isoformat()\n                                   , 'url': 'https://www.gittip.com/{}/'.format(username)\n                                    }\n\n\n        # Fire off a Sentry call.\n        # =======================\n\n        tags = { 'username': username\n               , 'user_id': user_id\n                }\n        extra = { 'filepath': getattr(request, 'fs', None)\n                , 'request': str(request).splitlines()\n                , 'user': user\n                 }\n        result = sentry.captureException(tags=tags, extra=extra)\n\n\n        # Emit a reference string to stdout.\n        # ==================================\n\n        ident = sentry.get_ident(result)\n        aspen.log_dammit('Exception reference: ' + ident)\n\n    return tell_sentry\n\n\ndef nanswers():\n    from gittip.models import participant\n    participant.NANSWERS_THRESHOLD = int(os.environ['NANSWERS_THRESHOLD'])\n\n\nclass BadEnvironment(SystemExit):\n    pass\n\ndef envvars(website):\n\n    missing_keys = []\n    malformed_values = []\n\n    def envvar(key, cast=None):\n        if key not in os.environ:\n            missing_keys.append(key)\n            return \"\"\n        value = os.environ[key].decode('ASCII')\n        if cast is not None:\n            try:\n                value = cast(value)\n            except:\n                err = str(sys.exc_info()[1])\n                malformed_values.append((key, err))\n                return \"\"\n        return value\n\n    def is_yesish(val):\n        return val.lower() in ('1', 'true', 'yes')\n\n    website.bitbucket_consumer_key = envvar('BITBUCKET_CONSUMER_KEY')\n    website.bitbucket_consumer_secret = envvar('BITBUCKET_CONSUMER_SECRET')\n    website.bitbucket_callback = envvar('BITBUCKET_CALLBACK')\n\n    website.github_client_id = envvar('GITHUB_CLIENT_ID')\n    website.github_client_secret = envvar('GITHUB_CLIENT_SECRET')\n    website.github_callback = envvar('GITHUB_CALLBACK')\n\n    website.twitter_consumer_key = envvar('TWITTER_CONSUMER_KEY')\n    website.twitter_consumer_secret = envvar('TWITTER_CONSUMER_SECRET')\n    website.twitter_access_token = envvar('TWITTER_ACCESS_TOKEN')\n    website.twitter_access_token_secret = envvar('TWITTER_ACCESS_TOKEN_SECRET')\n    website.twitter_callback = envvar('TWITTER_CALLBACK')\n\n    website.bountysource_www_host = envvar('BOUNTYSOURCE_WWW_HOST')\n    website.bountysource_api_host = envvar('BOUNTYSOURCE_API_HOST')\n    website.bountysource_api_secret = envvar('BOUNTYSOURCE_API_SECRET')\n    website.bountysource_callback = envvar('BOUNTYSOURCE_CALLBACK')\n\n    website.venmo_client_id = envvar('VENMO_CLIENT_ID')\n    website.venmo_client_secret = envvar('VENMO_CLIENT_SECRET')\n    website.venmo_callback = envvar('VENMO_CALLBACK')\n\n    website.openstreetmap_api = envvar('OPENSTREETMAP_API')\n    website.openstreetmap_consumer_key = envvar('OPENSTREETMAP_CONSUMER_KEY')\n    website.openstreetmap_consumer_secret = envvar('OPENSTREETMAP_CONSUMER_SECRET')\n    website.openstreetmap_callback = envvar('OPENSTREETMAP_CALLBACK')\n\n    website.asset_version_url = envvar('GITTIP_ASSET_VERSION_URL') \\\n                                      .replace('%version', website.version)\n    website.asset_url = envvar('GITTIP_ASSET_URL')\n    website.cache_static = is_yesish(envvar('GITTIP_CACHE_STATIC'))\n    website.compress_assets = is_yesish(envvar('GITTIP_COMPRESS_ASSETS'))\n\n    website.google_analytics_id = envvar('GOOGLE_ANALYTICS_ID')\n    website.sentry_dsn = envvar('SENTRY_DSN')\n\n    website.min_threads = envvar('MIN_THREADS', int)\n    website.log_busy_threads_every = envvar('LOG_BUSY_THREADS_EVERY', int)\n    website.log_metrics = is_yesish(envvar('LOG_METRICS'))\n\n    if malformed_values:\n        malformed_values.sort()\n        these = len(malformed_values) != 1 and 'these' or 'this'\n        plural = len(malformed_values) != 1 and 's' or ''\n        aspen.log_dammit(\"=\" * 42)\n        aspen.log_dammit( \"Oh no! Gittip.com couldn't understand %s \" % these\n                        , \"environment variable%s:\" % plural\n                         )\n        aspen.log_dammit(\" \")\n        for key, err in malformed_values:\n            aspen.log_dammit(\"  {} ({})\".format(key, err))\n        aspen.log_dammit(\" \")\n        aspen.log_dammit(\"See ./default_local.env for hints.\")\n\n        aspen.log_dammit(\"=\" * 42)\n        keys = ', '.join([key for key in malformed_values])\n        raise BadEnvironment(\"Malformed envvar{}: {}.\".format(plural, keys))\n\n    if missing_keys:\n        missing_keys.sort()\n        these = len(missing_keys) != 1 and 'these' or 'this'\n        plural = len(missing_keys) != 1 and 's' or ''\n        aspen.log_dammit(\"=\" * 42)\n        aspen.log_dammit( \"Oh no! Gittip.com needs %s missing \" % these\n                        , \"environment variable%s:\" % plural\n                         )\n        aspen.log_dammit(\" \")\n        for key in missing_keys:\n            aspen.log_dammit(\"  \" + key)\n        aspen.log_dammit(\" \")\n        aspen.log_dammit( \"(Sorry, we must've started looking for \"\n                        , \"%s since you last updated Gittip!)\" % these\n                         )\n        aspen.log_dammit(\" \")\n        aspen.log_dammit(\"Running Gittip locally? Edit ./local.env.\")\n        aspen.log_dammit(\"Running the test suite? Edit ./tests/env.\")\n        aspen.log_dammit(\" \")\n        aspen.log_dammit(\"See ./default_local.env for hints.\")\n\n        aspen.log_dammit(\"=\" * 42)\n        keys = ', '.join([key for key in missing_keys])\n        raise BadEnvironment(\"Missing envvar{}: {}.\".format(plural, keys))\n", "path": "gittip/wireup.py"}]}