Detect connection errors

modules/cragr/web/browser.py

@@ -62,7 +62,7 @@ class Cragr(Browser):
         self.login()
 
     def is_logged(self):
-        return self.page is not None and not self.is_on_page(HomePage)
+        return self.page is not None and not self.is_on_page(HomePage) and self.page.get_error() is None
 
     def login(self):
         """

modules/cragr/web/pages.py

@@ -26,7 +26,17 @@ from weboob.deprecated.browser import Page, BrokenPageError
 from weboob.tools.capabilities.bank.transactions import FrenchTransaction as Transaction
 
 
-class HomePage(Page):
+class BasePage(Page):
+    def get_error(self):
+        try:
+            error = self.document.xpath('//h1[@class="h1-erreur"]')[0]
+            self.logger.error('Error detected: %s', error.text_content().strip())
+            return error
+        except IndexError:
+            return None
+
+
+class HomePage(BasePage):
     def get_post_url(self):
         for script in self.document.xpath('//script'):
             text = script.text
@@ -40,7 +50,7 @@ class HomePage(Page):
         return None
 
 
-class LoginPage(Page):
+class LoginPage(BasePage):
     def login(self, password):
         imgmap = {}
         for td in self.document.xpath('//table[@id="pave-saisie-code"]/tr/td'):
@@ -59,15 +69,15 @@ class LoginPage(Page):
         return self.parser.tocleanstring(self.document.getroot())
 
 
-class UselessPage(Page):
+class UselessPage(BasePage):
     pass
 
 
-class LoginErrorPage(Page):
+class LoginErrorPage(BasePage):
     pass
 
 
-class _AccountsPage(Page):
+class _AccountsPage(BasePage):
     COL_LABEL    = 0
     COL_ID       = 2
     COL_VALUE    = 4
@@ -136,7 +146,7 @@ class _AccountsPage(Page):
         return links
 
 
-class CardsPage(Page):
+class CardsPage(BasePage):
     def get_list(self):
         TABLE_XPATH = '//table[caption[@class="caption tdb-cartes-caption" or @class="ca-table caption"]]'
 
@@ -247,7 +257,8 @@ class SavingsPage(_AccountsPage):
     COL_ID       = 1
 
 
-class TransactionsPage(Page):
+
+class TransactionsPage(BasePage):
     def get_iban_url(self):
         for link in self.document.xpath('//a[contains(text(), "IBAN")]'):
             m = re.search("\('([^']+)'", link.get('href', ''))