Changed example to point to magma childproc instead of bash.

bash_kernel/__init__.py

@@ -1,3 +0,0 @@
-"""A bash kernel for Jupyter"""
-
-__version__ = '0.4.1'

bash_kernel/__main__.py

@@ -1,3 +0,0 @@
-from ipykernel.kernelapp import IPKernelApp
-from .kernel import BashKernel
-IPKernelApp.launch_instance(kernel_class=BashKernel)

flit.ini

@@ -1,11 +1,11 @@
 [metadata]
-module = bash_kernel
+module = magma_kernel
-author = Thomas Kluyver
+author = Chris Granade
-author-email = thomas@kluyver.me.uk
+author-email = cgranade@cgranade.com
-home-page = https://github.com/takluyver/bash_kernel
+home-page = https://github.com/takluyver/magma_kernel
 requires = pexpect (>=3.3)
 description-file = README.rst
 classifiers = Framework :: IPython
     License :: OSI Approved :: BSD License
     Programming Language :: Python :: 3
-    Topic :: System :: Shells
+

magma_kernel/__init__.py

@@ -0,0 +1,3 @@
+"""A magma kernel for Jupyter"""
+
+__version__ = '0.0.1dev1'

magma_kernel/__main__.py

@@ -0,0 +1,3 @@
+from ipykernel.kernelapp import IPKernelApp
+from .kernel import MagmaKernel
+IPKernelApp.launch_instance(kernel_class=MagmaKernel)

magma_kernel/install.py

@@ -5,10 +5,10 @@ import sys
 from jupyter_client.kernelspec import install_kernel_spec
 from IPython.utils.tempdir import TemporaryDirectory
 
-kernel_json = {"argv":[sys.executable,"-m","bash_kernel", "-f", "{connection_file}"],
+kernel_json = {"argv":[sys.executable,"-m","magma_kernel", "-f", "{connection_file}"],
- "display_name":"Bash",
+ "display_name":"Magma",
- "language":"bash",
+ "language":"magma",
- "codemirror_mode":"shell",
+ "codemirror_mode":"magma",
  "env":{"PS1": "$"}
 }
 
@@ -20,7 +20,7 @@ def install_my_kernel_spec(user=True):
         # TODO: Copy resources once they're specified
 
         print('Installing IPython kernel spec')
-        install_kernel_spec(td, 'bash', user=user, replace=True)
+        install_kernel_spec(td, 'magma', user=user, replace=True)
 
 def _is_root():
     try:

magma_kernel/kernel.py

@@ -1,5 +1,5 @@
 from ipykernel.kernelbase import Kernel
-from pexpect import replwrap, EOF
+from pexpect import replwrap, EOF, spawn
 
 from subprocess import check_output
 from os import unlink
@@ -10,7 +10,7 @@ import re
 import signal
 import urllib
 
-__version__ = '0.2'
+__version__ = '0.0.1dev1'
 
 version_pat = re.compile(r'version (\d+(\.\d+)+)')
 
@@ -19,10 +19,11 @@ from .images import (
 )
 
 
-class BashKernel(Kernel):
+class MagmaKernel(Kernel):
-    implementation = 'bash_kernel'
+    implementation = 'magma_kernel'
     implementation_version = __version__
 
+    '''
     @property
     def language_version(self):
         m = version_pat.search(self.banner)
@@ -35,29 +36,39 @@ class BashKernel(Kernel):
         if self._banner is None:
             self._banner = check_output(['bash', '--version']).decode('utf-8')
         return self._banner
+    '''
     
-    language_info = {'name': 'bash',
+    @property
-                     'codemirror_mode': 'shell',
+    def banner(self):
+        return ""
+
+    language_info = {'name': 'magma',
+                     'codemirror_mode': 'magma',
                      'mimetype': 'text/x-sh',
-                     'file_extension': '.sh'}
+                     'file_extension': '.mgm'}
 
     def __init__(self, **kwargs):
         Kernel.__init__(self, **kwargs)
-        self._start_bash()
+        self._start_magma()
 
-    def _start_bash(self):
+    def _start_magma(self):
         # Signal handlers are inherited by forked processes, and we can't easily
         # reset it from the subprocess. Since kernelapp ignores SIGINT except in
         # message handlers, we need to temporarily reset the SIGINT handler here
         # so that bash and its children are interruptible.
         sig = signal.signal(signal.SIGINT, signal.SIG_DFL)
         try:
-            self.bashwrapper = replwrap.bash()
+            magma = spawn('magma', echo=False, encoding='utf-8')
+            magma.expect('> ')
+            magma.sendline('SetLineEditor(false);')
+            magma.expect('> ')
+            magma.sendline('')
+            self.magmawrapper = replwrap.REPLWrapper(magma, '> ', 'SetPrompt("{}");')
         finally:
             signal.signal(signal.SIGINT, sig)
 
         # Register Bash function to write image data to temporary file
-        self.bashwrapper.run_command(image_setup_cmd)
+        # self.magmawrapper.run_command(image_setup_cmd)
 
     def do_execute(self, code, silent, store_history=True,
                    user_expressions=None, allow_stdin=False):
@@ -67,24 +78,25 @@ class BashKernel(Kernel):
 
         interrupted = False
         try:
-            output = self.bashwrapper.run_command(code.rstrip(), timeout=None)
+            output = self.magmawrapper.run_command(code.rstrip(), timeout=None)
         except KeyboardInterrupt:
-            self.bashwrapper.child.sendintr()
+            self.magmawrapper.child.sendintr()
             interrupted = True
-            self.bashwrapper._expect_prompt()
+            self.magmawrapper._expect_prompt()
-            output = self.bashwrapper.child.before
+            output = self.magmawrapper.child.before
         except EOF:
-            output = self.bashwrapper.child.before + 'Restarting Bash'
+            output = self.magmawrapper.child.before + 'Restarting Bash'
-            self._start_bash()
+            self._start_magma()
 
         if not silent:
-            image_filenames, output = extract_image_filenames(output)
+            #image_filenames, output = extract_image_filenames(output)
 
             # Send standard output
             stream_content = {'name': 'stdout', 'text': output}
             self.send_response(self.iopub_socket, 'stream', stream_content)
 
             # Send images, if any
+            '''
             for filename in image_filenames:
                 try:
                     data = display_data_for_image(filename)
@@ -93,10 +105,12 @@ class BashKernel(Kernel):
                     self.send_response(self.iopub_socket, 'stream', message)
                 else:
                     self.send_response(self.iopub_socket, 'display_data', data)
+            '''
 
         if interrupted:
             return {'status': 'abort', 'execution_count': self.execution_count}
 
+        '''
         try:
             exitcode = int(self.bashwrapper.run_command('echo $?').rstrip())
         except Exception:
@@ -110,45 +124,6 @@ class BashKernel(Kernel):
             error_content['status'] = 'error'
             return error_content
         else:
+        '''
         return {'status': 'ok', 'execution_count': self.execution_count,
                 'payload': [], 'user_expressions': {}}
-
-    def do_complete(self, code, cursor_pos):
-        code = code[:cursor_pos]
-        default = {'matches': [], 'cursor_start': 0,
-                   'cursor_end': cursor_pos, 'metadata': dict(),
-                   'status': 'ok'}
-
-        if not code or code[-1] == ' ':
-            return default
-
-        tokens = code.replace(';', ' ').split()
-        if not tokens:
-            return default
-
-        matches = []
-        token = tokens[-1]
-        start = cursor_pos - len(token)
-
-        if token[0] == '$':
-            # complete variables
-            cmd = 'compgen -A arrayvar -A export -A variable %s' % token[1:] # strip leading $
-            output = self.bashwrapper.run_command(cmd).rstrip()
-            completions = set(output.split())
-            # append matches including leading $
-            matches.extend(['$'+c for c in completions])
-        else:
-            # complete functions and builtins
-            cmd = 'compgen -cdfa %s' % token
-            output = self.bashwrapper.run_command(cmd).rstrip()
-            matches.extend(output.split())
-
-        if not matches:
-            return default
-        matches = [m for m in matches if m.startswith(token)]
-
-        return {'matches': sorted(matches), 'cursor_start': start,
-                'cursor_end': cursor_pos, 'metadata': dict(),
-                'status': 'ok'}
-
-