in a tty, ask user to press <Enter> when text exceed the term height

weboob/applications/radioob/radioob.py

@@ -29,9 +29,6 @@ __all__ = ['Radioob']
 class RadioListFormatter(IFormatter):
     count = 0
 
-    def after_format(self, formatted):
-        print formatted.encode('utf-8')
-
     def flush(self):
         self.count = 0
         pass
@@ -48,10 +45,6 @@ class RadioListFormatter(IFormatter):
             result += ' (Current: %s - %s)' % (item['current'].artist, item['current'].title)
         return result
 
-    def set_header(self, string):
-        if self.display_header:
-            print string.encode('utf-8')
-
 class Radioob(ReplApplication):
     APPNAME = 'radioob'
     VERSION = '0.3'

weboob/applications/videoob/videoob.py

@@ -29,9 +29,6 @@ __all__ = ['Videoob']
 class VideoListFormatter(IFormatter):
     count = 0
 
-    def after_format(self, formatted):
-        print formatted.encode('utf-8')
-
     def flush(self):
         self.count = 0
         pass
@@ -50,10 +47,6 @@ class VideoListFormatter(IFormatter):
             result += u' (%s/%s)' % (item['rating'], item['rating_max'])
         return result
 
-    def set_header(self, string):
-        if self.display_header:
-            print string.encode('utf-8')
-
 class Videoob(ReplApplication):
     APPNAME = 'videoob'
     VERSION = '0.3'

weboob/applications/weboorrents/weboorrents.py

@@ -33,9 +33,6 @@ def sizeof_fmt(num):
         num /= 1024.0
 
 class TorrentInfoFormatter(IFormatter):
-    def after_format(self, formatted):
-        print formatted.encode('utf-8')
-
     def flush(self):
         pass
 
@@ -53,16 +50,9 @@ class TorrentInfoFormatter(IFormatter):
         result += item['description']
         return result
 
-    def set_header(self, string):
-        if self.display_header:
-            print string.encode('utf-8')
-
 class TorrentListFormatter(IFormatter):
     count = 0
 
-    def after_format(self, formatted):
-        print formatted.encode('utf-8')
-
     def flush(self):
         self.count = 0
         pass
@@ -78,10 +68,6 @@ class TorrentListFormatter(IFormatter):
         result += '  %10s   (Seed: %2d / Leech: %2d)' % (size, item['seeders'], item['leechers'])
         return result
 
-    def set_header(self, string):
-        if self.display_header:
-            print string.encode('utf-8')
-
 class Weboorrents(ReplApplication):
     APPNAME = 'weboorrents'
     VERSION = '0.3'

weboob/tools/application/formatters/iformatter.py

@@ -16,6 +16,9 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
 
+import os
+import sys
+
 from weboob.capabilities.base import CapBaseObject, FieldNotFound
 from weboob.tools.ordereddict import OrderedDict
 
@@ -29,9 +32,27 @@ class IFormatter(object):
         self.display_header = display_header
         self.return_only = return_only
         self.interactive = False
+        self.print_lines = 0
+        self.termrows = 0
+        self.termcols = 0
+        if os.isatty(sys.stdout.fileno()):
+            size = os.popen('stty size', 'r').read().split()
+            self.termrows = int(size[0])
+            self.termcols = int(size[1])
 
     def after_format(self, formatted):
-        raise NotImplementedError()
+        for line in formatted.split('\n'):
+            if self.termrows and (self.print_lines + 1) >= self.termrows:
+                prompt = '--Press return to continue--'
+                sys.stdout.write(prompt)
+                sys.stdout.flush()
+                r = sys.stdin.readline()
+                self.print_lines = 0
+
+            if isinstance(line, unicode):
+                line = line.encode('utf-8')
+            print line
+            self.print_lines += 1
 
     def build_id(self, v, backend_name):
         return u'%s@%s' % (unicode(v), backend_name)
@@ -80,7 +101,8 @@ class IFormatter(object):
         raise NotImplementedError()
 
     def set_header(self, string):
-        raise NotImplementedError()
+        if self.display_header:
+            print string.encode('utf-8')
 
     def to_dict(self, obj, condition=None, selected_fields=None):
         def iter_select_and_decorate(d):

weboob/tools/application/formatters/multiline.py

@@ -29,9 +29,6 @@ class MultilineFormatter(IFormatter):
         self.key_value_separator = key_value_separator
         self.after_item = after_item
 
-    def after_format(self, formatted):
-        print formatted.encode('utf-8')
-
     def flush(self):
         pass
 

weboob/tools/application/formatters/simple.py

@@ -28,9 +28,6 @@ class SimpleFormatter(IFormatter):
         self.field_separator = field_separator
         self.key_value_separator = key_value_separator
 
-    def after_format(self, formatted):
-        print formatted.encode('utf-8')
-
     def flush(self):
         pass
 
@@ -38,7 +35,3 @@ class SimpleFormatter(IFormatter):
         return self.field_separator.join(u'%s%s' % (
             (u'%s%s' % (k, self.key_value_separator) if self.display_keys else ''), v)
             for k, v in item.iteritems())
-
-    def set_header(self, string):
-        if self.display_header:
-            print string.encode('utf-8')