CapPaste: Also check the title in can_post

Because unsurprisingly pastealacon has silly restrictions.

weboob/backends/pastealacon/backend.py

@@ -20,6 +20,8 @@
 
 from __future__ import with_statement
 
+import re
+
 from weboob.tools.capabilities.paste import BasePasteBackend
 from weboob.tools.backend import BaseBackend
 from weboob.capabilities.base import NotLoaded
@@ -49,7 +51,7 @@ class PastealaconBackend(BaseBackend, BasePasteBackend):
     def new_paste(self, *args, **kwargs):
         return PastealaconPaste(*args, **kwargs)
 
-    def can_post(self, contents, public=None, max_age=None):
+    def can_post(self, contents, title=None, public=None, max_age=None):
         try:
             contents.encode(self.browser.ENCODING)
         except UnicodeEncodeError:
@@ -59,6 +61,9 @@ class PastealaconBackend(BaseBackend, BasePasteBackend):
         if max_age is not None:
             if self.get_closest_expiration(max_age) is None:
                 return 0
+        # the "title" is filtered (does not even accepts dots)
+        if not title or re.match('^\w+$', title) and len(title) <= 24:
+            return 2
         return 1
 
     def get_paste(self, _id):

weboob/backends/pastealacon/test.py

@@ -82,12 +82,12 @@ class PastealaconTest(BackendTest):
 
     def test_can_post(self):
         assert 0 == self.backend.can_post('hello', public=False)
-        assert 1 == self.backend.can_post('hello', public=True)
+        assert 1 <= self.backend.can_post('hello', public=True)
         assert 0 == self.backend.can_post('hello', public=True, max_age=600)
-        assert 1 == self.backend.can_post('hello', public=True, max_age=3600*24)
-        assert 1 == self.backend.can_post('hello', public=True, max_age=3600*24*3)
-        assert 1 == self.backend.can_post('hello', public=True, max_age=False)
-        assert 1 == self.backend.can_post('hello', public=None, max_age=False)
-        assert 1 == self.backend.can_post('hello', public=True, max_age=3600*24*40)
-        assert 1 == self.backend.can_post(u'héhé', public=True)
+        assert 1 <= self.backend.can_post('hello', public=True, max_age=3600*24)
+        assert 1 <= self.backend.can_post('hello', public=True, max_age=3600*24*3)
+        assert 1 <= self.backend.can_post('hello', public=True, max_age=False)
+        assert 1 <= self.backend.can_post('hello', public=None, max_age=False)
+        assert 1 <= self.backend.can_post('hello', public=True, max_age=3600*24*40)
+        assert 1 <= self.backend.can_post(u'héhé', public=True)
         assert 0 == self.backend.can_post(u'hello ♥', public=True)

weboob/backends/pastebin/backend.py

@@ -63,10 +63,12 @@ class PastebinBackend(BaseBackend, BasePasteBackend):
     def new_paste(self, *args, **kwargs):
         return PastebinPaste(*args, **kwargs)
 
-    def can_post(self, contents, public=None, max_age=None):
+    def can_post(self, contents, title=None, public=None, max_age=None):
         if max_age is not None:
             if self.get_closest_expiration(max_age) is None:
                 return 0
+        if not title or len(title) <= 60:
+            return 2
         return 1
 
     def get_paste(self, _id):

weboob/capabilities/paste.py

@@ -64,13 +64,14 @@ class ICapPaste(IBaseCap):
         """
         raise NotImplementedError()
 
-    def can_post(self, contents, public=None, max_age=None):
+    def can_post(self, contents, title=None, public=None, max_age=None):
         """
         Checks if the paste can be pasted by this backend.
         Some properties are considered required (public/private, max_age) while others
         are just bonuses (language).
 
         contents: Can be used to check encodability, maximum length, etc.
+        title: Can be used to check length, allowed characters. Should not be required.
         public: True must be public, False must be private, None do not care.
         max_age: Maximum time to live in seconds.