ehentai: fix encoding and crash (closes #655,#656)

weboob/backends/ehentai/backend.py

@@ -19,6 +19,7 @@
 
 from __future__ import with_statement
 
+import re
 from weboob.capabilities.gallery import ICapGallery
 from weboob.tools.backend import BaseBackend
 from weboob.tools.misc import ratelimit
@@ -60,11 +61,20 @@ class EHentaiBackend(BaseBackend, ICapGallery):
             return self.browser.iter_gallery_images(gallery)
 
     def get_gallery(self, _id):
-        return EHentaiGallery(_id)
+        if not re.match(r'(?i)/?\d+/[\dabcdef]+/?', _id):
+            return None
+
+        gallery = EHentaiGallery(_id)
+        with self.browser:
+            if self.browser.gallery_exists(gallery):
+                return gallery
+            else:
+                return None
 
     def fill_gallery(self, gallery, fields):
-        with self.browser:
-            self.browser.fill_gallery(gallery, fields)
+        if not gallery.__iscomplete__():
+            with self.browser:
+                self.browser.fill_gallery(gallery, fields)
 
     def fill_image(self, image, fields):
         with self.browser:

weboob/backends/ehentai/browser.py

@@ -18,7 +18,7 @@
 # along with weboob. If not, see <http://www.gnu.org/licenses/>.
 
 from weboob.tools.browser import BaseBrowser, BrowserIncorrectPassword
-from urllib import urlencode
+from urllib import urlencode, quote
 
 from .pages import IndexPage, GalleryPage, ImagePage, HomePage, LoginPage
 from .gallery import EHentaiImage
@@ -45,11 +45,14 @@ class EHentaiBrowser(BaseBrowser):
         if password:
             self.login(username, password)
 
+    def _gallery_url(self, gallery):
+        return 'http://%s/g/%s/' % (self.DOMAIN, gallery.id)
+
     def _gallery_page(self, gallery, n):
         return gallery.url + ('?p=%d' % n)
 
     def iter_search_results(self, pattern):
-        self.location(self.buildurl('/', f_search=pattern))
+        self.location(self.buildurl('/', f_search=pattern.encode('utf-8')))
         assert self.is_on_page(IndexPage)
         return self.page.iter_galleries()
 
@@ -75,10 +78,16 @@ class EHentaiBrowser(BaseBrowser):
         assert self.is_on_page(ImagePage)
         return self.page.get_url()
     
-    def fill_gallery(self, gallery, fields):
-        self.location(gallery.id)
+    def gallery_exists(self, gallery):
+        gallery.url = self._gallery_url(gallery)
+        self.location(gallery.url)
+        assert self.is_on_page(GalleryPage)
+        return self.page.gallery_exists(gallery)
+
+    def fill_gallery(self, gallery, fields):
+        gallery.url = self._gallery_url(gallery)
+        self.location(gallery.url)
         assert self.is_on_page(GalleryPage)
-        gallery.url = gallery.id
         self.page.fill_gallery(gallery)
 
     def login(self, username, password):

weboob/backends/ehentai/gallery.py

@@ -26,10 +26,6 @@ class EHentaiGallery(BaseGallery):
         BaseGallery.__init__(self, *args, **kwargs)
         self.nsfw = True
 
-    def iter_image(self):
-        self.browser.iter_gallery_images()
-
-
 class EHentaiImage(BaseImage):
     def __init__(self, *args, **kwargs):
         BaseImage.__init__(self, *args, **kwargs)

weboob/backends/ehentai/pages.py

@@ -48,7 +48,7 @@ class IndexPage(BasePage):
             a = line.xpath('.//div[@class="it3"]/a')[-1]
             url = a.attrib["href"]
             title = a.text.strip()
-            yield EHentaiGallery(url, title=title)
+            yield EHentaiGallery(re.search('(?<=/g/)\d+/[\dabcdef]+', url).group(0), title=title)
 
 class GalleryPage(BasePage):
     def image_pages(self):
@@ -60,6 +60,12 @@ class GalleryPage(BasePage):
         except IndexError:
             return None
 
+    def gallery_exists(self, gallery):
+        if self.document.xpath("//h1"):
+            return True
+        else:
+            return False
+
     def fill_gallery(self, gallery):
         gallery.title = self.document.xpath("//h1[@id='gn']/text()")[0]
         try: