Various

README.md

@@ -75,7 +75,7 @@ Make sure you have the following dependencies installed first:
 
 - python ≥ 3.11
   - including the C headers of python and libffi, which are packaged separately in many Linux distributions
-- postgresql 13 (see [the official download & install docs](https://www.postgresql.org/download/))
+- postgresql 16 (see [the official download & install docs](https://www.postgresql.org/download/))
 - make
 
 Then run:

liberapay/cron.py

@@ -172,30 +172,43 @@ def f():
                     self.running = False
                     self.cron.website.tell_sentry(e)
                     if self.exclusive:
-                        try:
-                            self.cron.website.db.run("""
-                                INSERT INTO cron_jobs
-                                            (name, last_error_time, last_error)
-                                     VALUES (%s, current_timestamp, %s)
-                                ON CONFLICT (name) DO UPDATE
-                                        SET last_error_time = excluded.last_error_time
-                                          , last_error = excluded.last_error
-                            """, (func_name, traceback.format_exc()))
-                        except psycopg2.OperationalError:
-                            pass
+                        while True:
+                            try:
+                                self.cron.website.db.run("""
+                                    INSERT INTO cron_jobs
+                                                (name, last_error_time, last_error)
+                                         VALUES (%s, current_timestamp, %s)
+                                    ON CONFLICT (name) DO UPDATE
+                                            SET last_error_time = excluded.last_error_time
+                                              , last_error = excluded.last_error
+                                """, (func_name, traceback.format_exc()))
+                            except psycopg2.OperationalError as e:
+                                self.cron.website.tell_sentry(e)
+                                # retry in a minute
+                                sleep(60)
+                            else:
+                                break
                     # retry in a minute
                     sleep(60)
                     continue
                 else:
                     self.running = False
                     if self.exclusive:
-                        self.cron.website.db.run("""
-                            INSERT INTO cron_jobs
-                                        (name, last_success_time)
-                                 VALUES (%s, current_timestamp)
-                            ON CONFLICT (name) DO UPDATE
-                                    SET last_success_time = excluded.last_success_time
-                        """, (func_name,))
+                        while True:
+                            try:
+                                self.cron.website.db.run("""
+                                    INSERT INTO cron_jobs
+                                                (name, last_success_time)
+                                         VALUES (%s, current_timestamp)
+                                    ON CONFLICT (name) DO UPDATE
+                                            SET last_success_time = excluded.last_success_time
+                                """, (func_name,))
+                            except psycopg2.OperationalError:
+                                self.cron.website.tell_sentry(e)
+                                # retry in a minute
+                                sleep(60)
+                            else:
+                                break
                     if period == 'irregular':
                         if r is None:
                             return

liberapay/exceptions.py

@@ -126,6 +126,11 @@ def msg(self, _):
         return _("The username '{0}' contains invalid characters.", self.username)
 
 
+class UsernameIsPurelyNumerical(UsernameError):
+    def msg(self, _):
+        return _("The username '{0}' is purely numerical. This isn't allowed.")
+
+
 class UsernameIsRestricted(UsernameError):
     def msg(self, _):
         return _("The username '{0}' is restricted.", self.username)

liberapay/models/participant.py

@@ -65,6 +65,7 @@
     UsernameContainsInvalidCharacters,
     UsernameEndsWithForbiddenSuffix,
     UsernameIsEmpty,
+    UsernameIsPurelyNumerical,
     UsernameIsRestricted,
     UsernameTooLong,
     ValueTooLong,
@@ -2048,6 +2049,9 @@ def check_username(suggested):
         if set(suggested) - ASCII_ALLOWED_IN_USERNAME:
             raise UsernameContainsInvalidCharacters(suggested)
 
+        if suggested.isdigit():
+            raise UsernameIsPurelyNumerical(suggested)
+
         if suggested[0] == '.':
             raise UsernameBeginsWithRestrictedCharacter(suggested)
 
@@ -2059,7 +2063,8 @@ def check_username(suggested):
             raise UsernameIsRestricted(suggested)
 
     def change_username(self, suggested, cursor=None, recorder=None):
-        self.check_username(suggested)
+        if suggested != f'~{self.id}':
+            self.check_username(suggested)
         recorder_id = getattr(recorder, 'id', None)
 
         if suggested != self.username:

style/base/icons.scss

@@ -12,6 +12,6 @@
     width: 17px;
 }
 .icon-32 {
-    height: 32px;
-    width: 32px;
+    height: 34px;
+    width: 34px;
 }

templates/macros/icons.html

@@ -48,8 +48,9 @@
 % macro icon(name, sr='', size=16)
     % set name = icon_aliases.get(name, name)
     % if soft_assert(name in website.icon_names, "unknown icon name %r" % name)
-        <svg aria-hidden="true" class="icon icon-{{ size }}" {% if sr %} title="{{ sr }}"{% endif %}{#
-            #}><use xlink:href="{{ website.asset('icons.svg', domain=False) }}#{{ name }}"/></svg>
+        <span aria-hidden="true" {% if sr %} title="{{ sr }}"{% endif %}{#
+            #}><svg class="icon icon-{{ size }}"{#
+                #}><use xlink:href="{{ website.asset('icons.svg', domain=False) }}#{{ name }}"/></svg></span>
     % else
         <img aria-hidden="true" class="icon icon-{{ size }}" {% if sr %} title="{{ sr }}"{% endif %} src="/assets/nonexistent" />
     % endif

www/admin/users.spt

@@ -9,6 +9,11 @@ PT_STATUS_MAP = {
 }
 ACCOUNT_MARKS = set(website.db.one("SELECT array_to_json(enum_range(NULL::account_mark))"))
 ACCOUNT_MARKS.add('')
+PAYMENT_INSTRUMENT_TYPES = {
+    'paypal': "PayPal",
+    'stripe-card': "card",
+    'stripe-sdd': "SEPA mandate",
+}
 
 [---]
 
@@ -101,6 +106,14 @@ if mode == 'all':
                            WHERE tip.tipper = p.id
                         ) tip
                ) AS outgoing_donations
+             , ( SELECT json_objectagg(r.network:r.count)
+                   FROM ( SELECT r.network, count(*) AS count
+                            FROM exchange_routes r
+                           WHERE r.participant = p.id
+                        GROUP BY r.network
+                        ORDER BY r.network
+                        ) r
+               ) AS payment_instruments
              , ( SELECT json_agg(json_build_object(
                             'provider', a.provider,
                             'id', a.id,
@@ -346,6 +359,19 @@ title = "Users Admin"
             none.
         % endif
         </p>
+
+        % if row.payment_instruments is defined
+        <p><strong>Payment instruments:</strong>
+        % if row.payment_instruments
+            % for network, count in row.payment_instruments.items()
+                {{ count }} {{ PAYMENT_INSTRUMENT_TYPES.get(network, network) }}
+                {{- '' if count == 1 else 's' }}
+                {{- '.' if loop.last else ',' }}
+            % endfor
+        % else
+            none.
+        % endif
+        % endif
         % endif
 
         <p><strong>Payment accounts:</strong>