Add support for fbterm

No tests yet, also no tests for term_truecolor.

docs/source/configuration/reference.rst

@@ -26,6 +26,29 @@ Common configuration is a subdictionary that is a value of ``common`` key in
     to the terminal emulator. See the :ref:`term-feature-support-matrix` for 
     information on whether your terminal emulator supports 24-bit colors.
 
+    This variable is forced to be ``false`` if :ref:`term_escape_style 
+    <config-common-term_escape_style>` option is set to ``"fbterm"`` or if it is 
+    set to ``"auto"`` and powerline detected fbterm.
+
+.. _config-common-term_escape_style:
+
+``term_escape_style``
+    Defines what escapes sequences should be used. Accepts three variants:
+
+    =======  ===================================================================
+    Variant  Description
+    =======  ===================================================================
+    auto     ``xterm`` or ``fbterm`` depending on ``$TERM`` variable value: 
+             ``TERM=fbterm`` implies ``fbterm`` escaping style, all other values 
+             select ``xterm`` escaping.
+    xterm    Uses ``\e[{fb};5;{color}m`` for colors (``{fb}`` is either ``38`` 
+             (foreground) or ``48`` (background)). Should be used for most 
+             terminals.
+    fbterm   Uses ``\e[{fb};{color}}`` for colors (``{fb}`` is either ``1`` 
+             (foreground) or ``2`` (background)). Should be used for fbterm: 
+             framebuffer terminal.
+    =======  ===================================================================
+
 .. _config-common-ambiwidth:
 
 ``ambiwidth``

docs/source/usage.rst

@@ -52,6 +52,7 @@ if your terminal emulator supports it.
    Terminal.app          OS X    |i_yes|               |i_no|                |i_no|
    libvte-based [#]_     Linux   |i_yes|               |i_yes|               |i_yes| [#]_
    xterm                 Linux   |i_yes|               |i_no|                |i_partial| [#]_
+   fbterm                Linux   |i_yes|               |i_yes|               |i_no|
    ===================== ======= ===================== ===================== =====================
 
 .. |i_yes| image:: _static/img/icons/tick.png

powerline/__init__.py

@@ -258,6 +258,7 @@ def finish_common_config(encoding, common_config):
 	common_config.setdefault('log_level', 'WARNING')
 	common_config.setdefault('log_format', '%(asctime)s:%(levelname)s:%(message)s')
 	common_config.setdefault('term_truecolor', False)
+	common_config.setdefault('term_escape_style', 'auto')
 	common_config.setdefault('ambiwidth', 1)
 	common_config.setdefault('additional_escapes', None)
 	common_config.setdefault('reload_config', True)
@@ -474,6 +475,7 @@ class Powerline(object):
 				mergedicts(self.renderer_options, dict(
 					pl=self.pl,
 					term_truecolor=self.common_config['term_truecolor'],
+					term_escape_style=self.common_config['term_escape_style'],
 					ambiwidth=self.common_config['ambiwidth'],
 					tmux_escape=self.common_config['additional_escapes'] == 'tmux',
 					screen_escape=self.common_config['additional_escapes'] == 'screen',

powerline/lint/__init__.py

@@ -57,6 +57,7 @@ main_spec = (Spec(
 	common=Spec(
 		default_top_theme=top_theme_spec().optional(),
 		term_truecolor=Spec().type(bool).optional(),
+		term_escape_style=Spec().type(unicode).oneof(set(('auto', 'xterm', 'fbterm'))),
 		# Python is capable of loading from zip archives. Thus checking path 
 		# only for existence of the path, not for it being a directory
 		paths=Spec().list(

powerline/renderer.py

@@ -233,7 +233,7 @@ class Renderer(object):
 			line=line,
 			output_raw=output_raw,
 			output_width=output_width,
-			segment_info=segment_info,
+			segment_info=self.get_segment_info(segment_info, mode),
 			theme=theme,
 		)
 
@@ -252,7 +252,7 @@ class Renderer(object):
 	def do_render(self, mode, width, side, line, output_raw, output_width, segment_info, theme):
 		'''Like Renderer.render(), but accept theme in place of matcher_info
 		'''
-		segments = list(theme.get_segments(side, line, self.get_segment_info(segment_info, mode), mode))
+		segments = list(theme.get_segments(side, line, segment_info, mode))
 
 		current_width = 0
 

powerline/renderers/shell/__init__.py

@@ -18,6 +18,7 @@ class ShellRenderer(Renderer):
 	escape_hl_start = ''
 	escape_hl_end = ''
 	term_truecolor = False
+	term_escape_style = 'auto'
 	tmux_escape = False
 	screen_escape = False
 
@@ -36,6 +37,13 @@ class ShellRenderer(Renderer):
 		)
 
 	def do_render(self, output_width, segment_info, side, theme, width=None, **kwargs):
+		if self.term_escape_style == 'auto':
+			if segment_info['environ'].get('TERM') == 'fbterm':
+				self.used_term_escape_style = 'fbterm'
+			else:
+				self.used_term_escape_style = 'xterm'
+		else:
+			self.used_term_escape_style = self.term_escape_style
 		if isinstance(segment_info, dict):
 			client_id = segment_info.get('client_id')
 		else:
@@ -85,11 +93,13 @@ class ShellRenderer(Renderer):
 		is a valid color or attribute, it’s added to the ANSI escape code.
 		'''
 		ansi = [0]
+		is_fbterm = self.used_term_escape_style == 'fbterm'
+		term_truecolor = not is_fbterm and self.term_truecolor
 		if fg is not None:
 			if fg is False or fg[0] is False:
 				ansi += [39]
 			else:
-				if self.term_truecolor:
+				if term_truecolor:
 					ansi += [38, 2] + list(int_to_rgb(fg[1]))
 				else:
 					ansi += [38, 5, fg[0]]
@@ -97,7 +107,7 @@ class ShellRenderer(Renderer):
 			if bg is False or bg[0] is False:
 				ansi += [49]
 			else:
-				if self.term_truecolor:
+				if term_truecolor:
 					ansi += [48, 2] + list(int_to_rgb(bg[1]))
 				else:
 					ansi += [48, 5, bg[0]]
@@ -113,7 +123,21 @@ class ShellRenderer(Renderer):
 					ansi += [3]
 				elif attr & ATTR_UNDERLINE:
 					ansi += [4]
-		r = '\033[{0}m'.format(';'.join(str(attr) for attr in ansi))
+		if is_fbterm:
+			r = []
+			while ansi:
+				cur_ansi = ansi.pop(0)
+				if cur_ansi == 38:
+					ansi.pop(0)
+					r.append('\033[1;{0}}}'.format(ansi.pop(0)))
+				elif cur_ansi == 48:
+					ansi.pop(0)
+					r.append('\033[2;{0}}}'.format(ansi.pop(0)))
+				else:
+					r.append('\033[{0}m'.format(cur_ansi))
+			r = ''.join(r)
+		else:
+			r = '\033[{0}m'.format(';'.join(str(attr) for attr in ansi))
 		if self.tmux_escape:
 			r = '\033Ptmux;' + r.replace('\033', '\033\033') + '\033\\'
 		elif self.screen_escape: