fix shell color style to be white-background safe + doc

* added warning in doc for no more valid chapters.

bliss/shell/cli/repl.py

@@ -228,6 +228,8 @@ class BlissRepl(PythonRepl):
         self.show_signature = True
         self.ui_styles["bliss_ui"] = repl_style.bliss_ui_style
         self.use_ui_colorscheme("bliss_ui")
+
+        # Records bliss color style and make it active in bliss shell.
         self.code_styles["bliss_code"] = repl_style.bliss_code_style
         self.use_code_colorscheme("bliss_code")
 

bliss/shell/cli/style.py

@@ -19,6 +19,7 @@ _bliss_ui_style.update(
         "signature-toolbar.operator": "bg:#44bbbb #000000 bold",
     }
 )
+
 bliss_ui_style = Style.from_dict(_bliss_ui_style)
 
 
@@ -30,13 +31,40 @@ from pygments.token import Token
 
 _bliss_code_style = get_style_by_name("default").styles
 
-# change #0000FF to something that works also for dark bakckgrounds
+# Change some colors to have something readable on dark and light backgrounds
 _bliss_code_style[Token.Name.Function] = "#0085A1"
 _bliss_code_style[Token.Name.Class] = "bold #0085A1"
 _bliss_code_style[Token.Name.Namespace] = "bold #0085A1"
 _bliss_code_style[Token.Literal.Number] = "bold #008700"
 _bliss_code_style[Token.Literal.Number] = "bold #008700"
 _bliss_code_style[Token.Operator] = ""
+_bliss_code_style[Token.Name.Variable] = "#AA6699"  # __class__
+_bliss_code_style[Token.Operator.Word] = "bold #AA6699"  # and/in/not
+_bliss_code_style[Token.Name.Decorator] = "#AA6699"  # decorator
 
 
+# Creates bliss style
 bliss_code_style = pt_pygments.style_from_pygments_dict(_bliss_code_style)
+
+"""
+Example to test:
+
+@tutu
+class MyClass():
+    def __init__():
+        load_script('demod.py')
+        if AA and not BB:
+            type(e.titi)
+            print('\033[31;42m salut')
+        from NameSpace import FF
+        pass
+    def my_func():
+        PythonRepl.__class__();print('dddD') ; # fdslkfjsd
+        for ii in ['aa', 'bb', 'cc']:
+            print(ii)
+        try:
+            aascan(mot1,13.2+22*2/2-1)
+        except KeyboardInterrupt:
+            print('basta')
+    print('bye')
+"""

doc/docs/shell_customization.md

 
-BLISS shell
-===========
+# BLISS shell
 
-
-Useful commands
----------------
+## Useful commands
 
 Functions that can help to customize a BLISS session.
 
+* Current session name: `get_current().name` propertie.
+
+Example:
+
+```python
+from bliss.common import session
+session.get_current().name
+```
+
+## Color scheme
 
-* Current session name: `get_current().name`
-* Beamline name: `BEAMLINE`
 
+**NO MORE VALID**
 
 
-Color scheme
-------------
+BLISS terminal color scheme can be changed by adding to the config
+file (`sessions/scripts/<session>.py`) of the session:
+```python
+from bliss.shell.cli.repl import REPL as repl
+repl.use_code_colorscheme('pastie')
+```
 
-BLISS terminal color scheme can be changed by adding :
+To list available color schemes:
+```python
+import pygments
+list(pygments.styles.get_all_styles())
+```
 
-    repl.use_code_colorscheme('pastie')
-to the config file (`sessions/scripts/<session>.py`) of the session.
+### Color schemes
 
-example :
 
-    from bliss.shell.cli import configure
-    
-    @configure
-    def config(repl):
-        repl.bliss_bar.items.append(LabelWidget("BL=ID42c"))
+## Terminal scrolling
 
-        # Color scheme change.
-        repl.use_code_colorscheme('pastie')
+**NO MORE VALID**
 
-Terminal scrolling
-------------------
 
 Symptom: Can not scroll up in the BLISS session terminal
 
@@ -47,8 +52,10 @@ a return to the the last line.
 	         Click on `Close` and "Voila !"
 
 
-Toolbar customization
----------------------
+## Toolbar customization
+
+**NO MORE VALID**
+
 
 To customize the toolbar of a session, special **Widgets** can be
 defined and inserted into the toolbar item list.
@@ -68,59 +75,66 @@ A **generic widget** can also be used with a custom function.
 
 Example to add a simple label, the position of a motor and a function to display time:
 
-        from bliss.shell.cli import configure
-        from bliss.shell.cli.layout import AxisStatus, LabelWidget, DynamicWidget
-        from bliss.shell.cli.esrf import Attribute, FEStatus, IDStatus, BEAMLINE
-        
-        import time
-        
-        def what_time_is_it():
-            return time.ctime()
-        
-        @configure
-        def config_widgets(repl):
-            repl.bliss_bar.items.append(LabelWidget("BL=ID245c"))
-            repl.bliss_bar.items.append(AxisStatus('simot1'))
-            repl.bliss_bar.items.append(DynamicWidget(what_time_is_it))
+```python
+from bliss.shell.cli import configure
+from bliss.shell.cli.layout import AxisStatus, LabelWidget, DynamicWidget
+from bliss.shell.cli.esrf import Attribute, FEStatus, IDStatus, BEAMLINE
+
+import time
+
+def what_time_is_it():
+    return time.ctime()
+
+@configure
+def config_widgets(repl):
+    repl.bliss_bar.items.append(LabelWidget("BL=ID245c"))
+    repl.bliss_bar.items.append(AxisStatus('simot1'))
+    repl.bliss_bar.items.append(DynamicWidget(what_time_is_it))
+```
+
 
 This code will make a session to look like:
 
-     (bliss) pcsht:~ % bliss -s eh1
-                            __         __   __          
-                           |__) |   | /__` /__`         
-                           |__) |__ | .__/ .__/         
-     
-     
-     Welcome to BLISS version 0.02 running on pcsht (in bliss Conda environment)
-     Copyright (c) 2015-2019 Beamline Control Unit, ESRF
-     -
-     Connected to Beacon server on pcsht (port 3412)
-     eh1: Executing setup...
-     Initializing 'simot1`
-     Initializing 'pzth`
-     Initializing 'simul_mca`
-     Initializing 'pzth_enc`
-     hello eh1 session !! 
-     Done.
-     
-     EH1 [1]: 
-     
-     
-     
-     BL=ID245c | simot1: 12.05 | Wed Apr 25 17:08:21 CEST 2018
+```python
+(bliss) pcsht:~ % bliss -s eh1
+                       __         __   __          
+                      |__) |   | /__` /__`         
+                      |__) |__ | .__/ .__/         
 
 
-More widgets can be defined using the same model:
+Welcome to BLISS version 0.02 running on pcsht (in bliss Conda environment)
+Copyright (c) 2015-2019 Beamline Control Unit, ESRF
+-
+Connected to Beacon server on pcsht (port 3412)
+eh1: Executing setup...
+Initializing 'simot1`
+Initializing 'pzth`
+Initializing 'simul_mca`
+Initializing 'pzth_enc`
+hello eh1 session !! 
+Done.
+
+EH1 [1]: 
 
-     ugap = Attribute('UGap: ', 'CPM00-1B_GAP_Position', 'mm', None)
-     fe_attrs = FEStatus.state, FEStatus.current, FEStatus.refill, FEStatus.mode
 
-     repl.bliss_bar.items.append(FEStatus(attributes=fe_attrs)) # Front-End infos
-     repl.bliss_bar.items.append(IDStatus(attributes=(ugap,)))  # ID position
 
+BL=ID245c | simot1: 12.05 | Wed Apr 25 17:08:21 CEST 2018
+```
+
+More widgets can be defined using the same model:
+
+```python
+ugap = Attribute('UGap: ', 'CPM00-1B_GAP_Position', 'mm', None)
+fe_attrs = FEStatus.state, FEStatus.current, FEStatus.refill, FEStatus.mode
 
-To switch to a more compact view (for compliant widgets like AxisStatus), use:
+repl.bliss_bar.items.append(FEStatus(attributes=fe_attrs)) # Front-End infos
+repl.bliss_bar.items.append(IDStatus(attributes=(ugap,)))  # ID position
+```
 
-     repl.bliss_bar_format = 'compact'
+To switch to a more compact view (for compliant widgets like
+AxisStatus), use:
 
+```python
+repl.bliss_bar_format = 'compact'
+```