From 535d6efc47837e8bed49248d694f7900f942d106 Mon Sep 17 00:00:00 2001
From: Romain Bignon <romain@symlink.me>
Date: Mon, 14 Jan 2013 21:28:47 +0100
Subject: [PATCH] more explicit error messages during common import errors

---
 modules/aum/captcha.py               | 6 +++++-
 modules/freemobile/pages/login.py    | 6 +++++-
 modules/societegenerale/captcha.py   | 6 +++++-
 modules/youtube/backend.py           | 6 +++++-
 weboob/tools/browser/browser.py      | 7 ++++++-
 weboob/tools/captcha/virtkeyboard.py | 6 +++++-
 weboob/tools/misc.py                 | 6 +++++-
 weboob/tools/newsfeed.py             | 7 ++++++-
 8 files changed, 42 insertions(+), 8 deletions(-)

diff --git a/modules/aum/captcha.py b/modules/aum/captcha.py
index f235c6cf..462d359a 100644
--- a/modules/aum/captcha.py
+++ b/modules/aum/captcha.py
@@ -20,7 +20,11 @@
 
 import hashlib
 import sys
-import Image
+
+try:
+    import Image
+except ImportError:
+    raise ImportError('Please install python-imaging')
 
 class CaptchaError(Exception): pass
 
diff --git a/modules/freemobile/pages/login.py b/modules/freemobile/pages/login.py
index 1bb63292..f4134430 100644
--- a/modules/freemobile/pages/login.py
+++ b/modules/freemobile/pages/login.py
@@ -19,7 +19,11 @@
 
 
 import time
-import Image
+
+try:
+    import Image
+except ImportError:
+    raise ImportError('Please install python-imaging')
 
 from weboob.tools.browser import BasePage
 
diff --git a/modules/societegenerale/captcha.py b/modules/societegenerale/captcha.py
index aa8e4a65..7ac3e6c0 100644
--- a/modules/societegenerale/captcha.py
+++ b/modules/societegenerale/captcha.py
@@ -19,7 +19,11 @@
 
 
 import hashlib
-import Image
+
+try:
+    import Image
+except ImportError:
+    raise ImportError('Please install python-imaging')
 
 
 class TileError(Exception):
diff --git a/modules/youtube/backend.py b/modules/youtube/backend.py
index 21722844..5ec6bb18 100644
--- a/modules/youtube/backend.py
+++ b/modules/youtube/backend.py
@@ -20,8 +20,12 @@
 
 from __future__ import with_statement
 
+try:
+    import gdata.youtube.service
+except ImportError:
+    raise ImportError("Please install python-gdata")
+
 import datetime
-import gdata.youtube.service
 import re
 import urllib
 
diff --git a/weboob/tools/browser/browser.py b/weboob/tools/browser/browser.py
index cd503f3c..614f7fe9 100644
--- a/weboob/tools/browser/browser.py
+++ b/weboob/tools/browser/browser.py
@@ -22,7 +22,12 @@ from __future__ import with_statement
 from copy import copy
 from httplib import BadStatusLine
 from logging import warning
-import mechanize
+
+try:
+    import mechanize
+except ImportError:
+    raise ImportError('Please install python-mechanize')
+
 import os
 import sys
 import re
diff --git a/weboob/tools/captcha/virtkeyboard.py b/weboob/tools/captcha/virtkeyboard.py
index 32306cac..d8eaf148 100644
--- a/weboob/tools/captcha/virtkeyboard.py
+++ b/weboob/tools/captcha/virtkeyboard.py
@@ -19,7 +19,11 @@
 
 
 import hashlib
-import Image
+
+try:
+    import Image
+except ImportError:
+    raise ImportError('Please install python-imaging')
 
 
 class VirtKeyboardError(Exception):
diff --git a/weboob/tools/misc.py b/weboob/tools/misc.py
index 95154f1c..f9b63b40 100644
--- a/weboob/tools/misc.py
+++ b/weboob/tools/misc.py
@@ -20,7 +20,11 @@
 
 from __future__ import with_statement
 
-from dateutil import tz
+try:
+    from dateutil import tz
+except ImportError:
+    raise ImportError('Please install python-dateutil')
+
 from logging import warning
 from time import time, sleep
 from tempfile import gettempdir
diff --git a/weboob/tools/newsfeed.py b/weboob/tools/newsfeed.py
index 7b28aad5..141f484c 100644
--- a/weboob/tools/newsfeed.py
+++ b/weboob/tools/newsfeed.py
@@ -18,7 +18,12 @@
 # along with weboob. If not, see <http://www.gnu.org/licenses/>.
 
 import datetime
-import feedparser
+
+try:
+    import feedparser
+except ImportError:
+    raise ImportError('Please install python-feedparser')
+
 if feedparser.__version__ >= '5.0':
     # feedparser >= 5.0 replaces this regexp on sgmllib and mechanize < 2.0
     # fails with malformated webpages.