示例#1
0
文件: kernel.py 项目: gjvnq/Mathics
 def __init__(self, **kwargs):
     Kernel.__init__(self, **kwargs)
     self.definitions = Definitions(add_builtin=True)  # TODO Cache
     self.definitions.set_ownvalue('$Line',
                                   Integer(0))  # Reset the line number
     self.establish_comm_manager()  # needed for ipywidgets and Manipulate[]
     self.web_engine = None
示例#2
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    def __init__(self, **kwargs):
        self.mathjax_initialized = False
        Kernel.__init__(self, **kwargs)
        if self.log is None:
            # This occurs if we call as a stand-alone kernel
            # (eg, not as a process)
            # FIXME: take care of input/output, eg StringIO
            #        make work without a session
            self.log = logging.Logger("NotebookApp")

        self.definitions = Definitions(add_builtin=True)        # TODO Cache
        self.definitions.set_ownvalue('$Line', Integer(0))  # Reset the line number
示例#3
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    def do_complete(self, code, cursor_pos):
        definitions = Definitions(add_builtin=True)

        matches_raw = definitions.get_matching_names(code + '*')
        matches = []

        for match in matches_raw:
            matches.append(match.replace('System`', ''))

        return {
            'matches': matches,
            'cursor_start': cursor_pos - len(code),
            'cursor_end': cursor_pos,
            'metadata': {},
            'status': 'ok',
        }
示例#4
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    def __init__(
        self, definitions=None, output=None, format="text", catch_interrupt=True
    ) -> None:
        from mathics.core.definitions import Definitions
        from mathics.core.expression import Symbol

        if definitions is None:
            definitions = Definitions()
        self.definitions = definitions
        self.recursion_depth = 0
        self.timeout = False
        self.timeout_queue = []
        self.stopped = False
        self.out = []
        self.output = output if output else Output()
        self.listeners = {}
        self.options = None
        self.predetermined_out = None

        self.quiet_all = False
        self.format = format
        self.catch_interrupt = catch_interrupt

        self.SymbolNull = Symbol("Null")

        # status of last evaluate
        self.exc_result = self.SymbolNull
        self.last_eval = None
示例#5
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def main():
    quit_command = (sys.platform == 'win32') and 'CTRL-BREAK' or 'CONTROL-C'
    
    print_version(is_server=False)
    print_license()
    print u"Quit by pressing %s" % quit_command
    
    print ''
    
    definitions = Definitions(add_builtin=True)
    
    try:
        while True:
            input = raw_input('>> ')
            
            def out_callback(out):
                print to_output(unicode(out))
                
            evaluation = Evaluation(input, definitions, timeout=30, out_callback=out_callback)
            
            for result in evaluation.results:
                if result.result is not None:
                    print ' = %s' % to_output(unicode(result.result))
    except (KeyboardInterrupt, SystemExit):
        print "\n\nGood bye!\n"
示例#6
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def get_session_evaluation(session):
    evaluation = _evaluations.get(session.session_key)
    if evaluation is None:
        definitions = Definitions(add_builtin=True)
        evaluation = Evaluation(definitions, format='xml', output=WebOutput())
        _evaluations[session.session_key] = evaluation
    return evaluation
示例#7
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def query(request):
    global definitions
    from mathics.core.parser import MultiLineFeeder

    input = request.POST.get("query", "")
    if settings.DEBUG and not input:
        input = request.GET.get("query", "")

    if settings.LOG_QUERIES:
        query_log = Query(
            query=input,
            error=True,
            browser=request.META.get("HTTP_USER_AGENT", ""),
            remote_user=request.META.get("REMOTE_USER", ""),
            remote_addr=request.META.get("REMOTE_ADDR", ""),
            remote_host=request.META.get("REMOTE_HOST", ""),
            meta=str(request.META),
            log="",
        )
        query_log.save()

    evaluation = get_session_evaluation(request.session)
    feeder = MultiLineFeeder(input, "<notebook>")
    results = []
    try:
        while not feeder.empty():
            expr = evaluation.parse_feeder(feeder)
            if expr is None:
                results.append(Result(evaluation.out, None,
                                      None))  # syntax errors
                evaluation.out = []
                continue
            result = evaluation.evaluate(expr, timeout=settings.TIMEOUT)
            if result is not None:
                results.append(result)
    except SystemExit as e:
        results = []
        result = None
        definitions = Definitions(add_builtin=True,
                                  extension_modules=default_pymathics_modules)
        evaluation.definitions = definitions
    except Exception as exc:
        if settings.DEBUG and settings.DISPLAY_EXCEPTIONS:
            info = traceback.format_exception(*sys.exc_info())
            info = "\n".join(info)
            msg = "Exception raised: %s\n\n%s" % (exc, info)
            results.append(
                Result([Message("System", "exception", msg)], None, None))
        else:
            raise
    result = {
        "results": [result.get_data() for result in results],
    }
    if settings.LOG_QUERIES:
        query_log.timeout = evaluation.timeout
        query_log.result = str(result)  # evaluation.results
        query_log.error = False
        query_log.save()

    return JsonResponse(result)
示例#8
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 def __init__(self,
              add_builtin=True,
              catch_interrupt=False,
              form="InputForm"):
     self.definitions = Definitions(add_builtin)
     self.evaluation = Evaluation(definitions=self.definitions,
                                  catch_interrupt=catch_interrupt)
     self.form = form
     self.last_result = None
示例#9
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    def do_execute(self,
                   code,
                   silent,
                   store_history=True,
                   user_expressions=None,
                   allow_stdin=False):

        if not silent:
            from mathics.core.parser import MultiLineFeeder

            definitions = Definitions(add_builtin=True)
            evaluation = Evaluation(definitions, format='xml')

            feeder = MultiLineFeeder(code, '<notebook>')
            results = []
            try:
                while not feeder.empty():
                    expr = evaluation.parse_feeder(feeder)
                    if expr is None:
                        results.append(Result(evaluation.out, None, None))
                        evaluation.out = []
                        continue
                    result = evaluation.evaluate(expr, timeout=20)
                    if result is not None:
                        results.append(result)
            except Exception as exc:
                raise

            for result in results:
                result_data = result.get_data()

                result_html = self.preprocess_output(result_data['result'])

                display_data = {
                    'data': {
                        'text/html': result_html
                    },
                    'metadata': {},
                }

                self.send_response(self.iopub_socket, 'display_data',
                                   display_data)

        return {
            'status': 'ok',
            'execution_count': self.execution_count,
            'payload': [],
            'user_expressions': {},
        }
示例#10
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def get_session_evaluation(session):
    evaluation = _evaluations.get(session.session_key)
    if evaluation is None:
        definitions = Definitions(add_builtin=True)
        # We set the formatter to "unformatted" so that we can use
        # our own custom formatter that understand better how to format
        # in the context of mathics-django.
        # Previously, one specific format, like "xml" had to fit all.
        evaluation = Evaluation(definitions,
                                format="unformatted",
                                output=WebOutput())
        _evaluations[session.session_key] = evaluation
        evaluation.format_output = lambda expr, format: format_output(
            evaluation, expr, format)
        autoload_files(definitions, ROOT_DIR, "autoload")
    return evaluation
示例#11
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    def __init__(self,
                 input=None,
                 definitions=None,
                 timeout=None,
                 out_callback=None,
                 format='text',
                 catch_interrupt=True):
        from mathics.core.definitions import Definitions

        if definitions is None:
            definitions = Definitions()
        self.definitions = definitions
        self.recursion_depth = 0
        self.timeout = False
        self.stopped = False
        self.out = []
        self.out_callback = out_callback
        self.listeners = {}
        self.options = None

        self.quiet_all = False
        self.quiet_messages = set()

        self.format = format

        queries = []
        last_parse_error = None
        if input is not None:
            from mathics.core.parser import parse, TranslateError

            lines = input.splitlines()
            query = ''
            for line in lines:
                if line:
                    query += line
                    try:
                        expression = parse(query)
                        if expression is not None:
                            queries.append(expression)
                        query = ''
                        last_parse_error = None
                    except TranslateError, exc:
                        last_parse_error = exc
                else:
                    query += ' '
示例#12
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    def __init__(self, definitions=None,
                 output=None, format='text', catch_interrupt=True):
        from mathics.core.definitions import Definitions

        if definitions is None:
            definitions = Definitions()
        self.definitions = definitions
        self.recursion_depth = 0
        self.timeout = False
        self.stopped = False
        self.out = []
        self.output = output if output else Output()
        self.listeners = {}
        self.options = None
        self.predetermined_out = None

        self.quiet_all = False
        self.format = format
        self.catch_interrupt = catch_interrupt
示例#13
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    def __init__(self,
                 definitions=None,
                 out_callback=None,
                 format='text',
                 catch_interrupt=True):
        from mathics.core.definitions import Definitions

        if definitions is None:
            definitions = Definitions()
        self.definitions = definitions
        self.recursion_depth = 0
        self.timeout = False
        self.stopped = False
        self.out = []
        self.out_callback = out_callback
        self.listeners = {}
        self.options = None

        self.quiet_all = False
        self.quiet_messages = set()
        self.format = format
        self.catch_interrupt = catch_interrupt
示例#14
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def set_settings_value(definitions: Definitions, setting_name: str, value):
    """Set a Mathics Settings` with name "setting_name" from definitions to value
    "value".
    """
    return definitions.set_ownvalue(setting_name, value)
示例#15
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class MathicsNotebookKernel(Kernel):
    implementation = 'mathics'
    implementation_version = '1.0'
    banner = 'Mathics Jupyter Kernel - Implementation'

    language_info = {
        'version': '1.0',
        'name': 'Mathematica',
        'mimetype': 'text/x-mathematica',
    }

    name = 'MathicsNotebook'
    """
    Initialize Mathics core.
    """
    def __init__(self, **kwargs):
        super().__init__(**kwargs)

        self.definitions = Definitions(add_builtin=True)
        self.evaluation = Evaluation(self.definitions, format='xml')

    """
    Preprocess output for better support for graphics.
    """

    def preprocess_output(self, data):
        data = re.sub(
            r"<math><mglyph width=\"(.*)\" height=\"(.*)\" src=\"(.*)\"/></math>",
            "<img width=\"\\1\" height=\"\\2\" src=\"\\3\" />", data, 0)

        return data

    """
    Handle jupyter connections.
    """

    def do_execute(self,
                   code,
                   silent,
                   store_history=True,
                   user_expressions=None,
                   allow_stdin=False):

        if not silent:
            from mathics.core.parser import MultiLineFeeder

            feeder = MultiLineFeeder(code, '<notebook>')
            results = []
            try:
                while not feeder.empty():
                    expr = self.evaluation.parse_feeder(feeder)
                    if expr is None:
                        results.append(Result(self.evaluation.out, None, None))
                        self.evaluation.out = []
                        continue
                    result = self.evaluation.evaluate(expr, timeout=20)
                    if result is not None:
                        results.append(result)
            except Exception as exc:
                raise

            for result in results:
                result_data = result.get_data()

                result_html = self.preprocess_output(result_data['result'])

                display_data = {
                    'data': {
                        'text/html': result_html
                    },
                    'metadata': {},
                }

                self.send_response(self.iopub_socket, 'display_data',
                                   display_data)

        return {
            'status': 'ok',
            'execution_count': self.execution_count,
            'payload': [],
            'user_expressions': {},
        }

    def do_complete(self, code, cursor_pos):
        matches_raw = self.definitions.get_matching_names(code + '*')
        matches = []

        for match in matches_raw:
            matches.append(match.replace('System`', ''))

        return {
            'matches': matches,
            'cursor_start': cursor_pos - len(code),
            'cursor_end': cursor_pos,
            'metadata': {},
            'status': 'ok',
        }
示例#16
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def get_settings_value(definitions: Definitions, setting_name: str):
    """Get a Mathics Settings` value with name "setting_name" from definitions. If setting_name is not defined return None"""
    settings_value = definitions.get_ownvalue(setting_name)
    if settings_value is None:
        return None
    return settings_value.replace.to_python(string_quotes=False)
示例#17
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import unittest
import random
import sys

from mathics_scanner import (
    IncompleteSyntaxError,
    InvalidSyntaxError,
    ScanError,
    SingleLineFeeder,
)

from mathics.core.definitions import Definitions
from mathics.core.parser import parse
from mathics.core.expression import Symbol, Integer, Expression, Real, Rational, String

definitions = Definitions(add_builtin=True)


class ConvertTests(unittest.TestCase):
    def parse(self, code):
        return parse(definitions, SingleLineFeeder(code))

    def check(self, expr1, expr2):
        if isinstance(expr1, str):
            expr1 = self.parse(expr1)
        if isinstance(expr2, str):
            expr2 = self.parse(expr2)

        if expr1 is None:
            assert expr2 is None
        else:
示例#18
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def main():
    argparser = argparse.ArgumentParser(
        prog='mathics',
        usage='%(prog)s [options] [FILE]',
        add_help=False,
        description = "Mathics is a general-purpose computer algebra system.",
        epilog = """Please feel encouraged to contribute to Mathics! Create
            your own fork, make the desired changes, commit, and make a pull 
            request.""")

    argparser.add_argument('FILE',  nargs='?', type=argparse.FileType('r'), help='execute commands from FILE')

    argparser.add_argument('--help', '-h', help='show this help message and exit', action='help')
    argparser.add_argument('--persist',  help='go to interactive shell after evaluating FILE', action='store_true')
    argparser.add_argument('--quiet', '-q', help='don\'t print message at startup', action='store_true')
    argparser.add_argument('-script', help='run a mathics file in script mode', action='store_true')
    argparser.add_argument('--execute', '-e', nargs='?', help='execute a command')
    argparser.add_argument('--colors', nargs='?', help='interactive shell colors')
    argparser.add_argument('--version', '-v', action='version', version=get_version_string(False))

    args = argparser.parse_args()

    quit_command = 'CTRL-BREAK' if sys.platform == 'win32' else 'CONTROL-D'
    
    definitions = Definitions(add_builtin=True)

    # TODO all binary operators?

    #Reset the line number to 1
    definitions.set_ownvalue('$Line', Integer(1))

    shell = TerminalShell(definitions, args.colors)

    if args.execute:
        total_input = args.execute.decode(sys.stdin.encoding)  # check encoding
        print shell.get_in_prompt() + total_input
        evaluation = Evaluation(total_input, definitions, timeout=30, out_callback=out_callback)
        for result in evaluation.results:
            if result.result is not None:
                print shell.get_out_prompt() + to_output(unicode(result.result)) + '\n'
        return

    if not (args.quiet or args.script):
        print_version(is_server=False)
        print_license()
        print u"Quit by pressing %s" % quit_command
    
        print ''


    if args.FILE is not None:
        total_input = ""
        for line in args.FILE:
            line = line.decode('utf-8')     # TODO: other encodings

            if args.script and line.startswith('#!'):
                continue

            if total_input == "":
                print shell.get_in_prompt() + line,
            else:
                print '       ', line,

            total_input += line

            if line == "":
                pass
            elif wait_for_line(total_input):
                continue

            evaluation = Evaluation(total_input, definitions, timeout=30, out_callback=out_callback)
            for result in evaluation.results:
                if result.result is not None:
                    print shell.get_out_prompt() + to_output(unicode(result.result)) + '\n'
            total_input = ""
        if not args.persist:
            return

    while True:
        try: 
            total_input = ""
            line_input = raw_input(shell.get_in_prompt())
            line_input = line_input.decode(sys.stdin.encoding)
            while line_input != "":
                total_input += ' ' + line_input
                if not wait_for_line(total_input):
                    break
                line_input = raw_input('        ')
                line_input = line_input.decode(sys.stdin.encoding)

            evaluation = Evaluation(total_input, definitions, timeout=30, out_callback=out_callback)
        
            for result in evaluation.results:
                if result.result is not None:
                    print shell.get_out_prompt() + to_output(unicode(result.result)) + '\n'

        except (KeyboardInterrupt):
            print '\nKeyboardInterrupt'
        except (SystemExit, EOFError):
            print "\n\nGood bye!\n"
            break
示例#19
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文件: views.py 项目: nonohry/Mathics
class JsonResponse(HttpResponse):
    def __init__(self, result={}):
        json = simplejson.dumps(result)
        super(JsonResponse, self).__init__(json, mimetype=JSON_MIMETYPE)


def require_ajax_login(func):
    def new_func(request, *args, **kwargs):
        if not request.user.is_authenticated():
            return JsonResponse({'requireLogin': True})
        return func(request, *args, **kwargs)

    return new_func


definitions = Definitions(add_builtin=True)


def require_ajax_login(f):
    return f


def main_view(request):
    mimetype = get_mimetype(request)
    return render_to_response('main.html', {
        'login_form': LoginForm(),
        'save_form': SaveForm(),
        'require_login': settings.REQUIRE_LOGIN,
    },
                              context_instance=RequestContext(request),
                              mimetype=mimetype)
示例#20
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def get_mimetype(request):
    return 'text/html' if 'MSIE' in request.META.get('HTTP_USER_AGENT', '') else 'application/xhtml+xml'
    
class JsonResponse(HttpResponse):
    def __init__(self, result={}):
        json = simplejson.dumps(result)
        super(JsonResponse, self).__init__(json, mimetype=JSON_MIMETYPE)
    
def require_ajax_login(func):
    def new_func(request, *args, **kwargs):
        if not request.user.is_authenticated():
            return JsonResponse({'requireLogin': True})
        return func(request, *args, **kwargs)
    return new_func

definitions = Definitions(add_builtin=True)

def require_ajax_login(f):
    return f

def main_view(request):
    mimetype = get_mimetype(request)
    return render_to_response('main.html', {
        'login_form': LoginForm(),
        'save_form': SaveForm(),
        'require_login': settings.REQUIRE_LOGIN,
    }, context_instance=RequestContext(request), mimetype=mimetype)

def test_view(request):
    return render_to_response('test.html', {
    }, context_instance=RequestContext(request))
示例#21
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 def setUp(self):
     definitions = Definitions(add_builtin=True)
     self.evaluation = Evaluation(definitions, format="xml")
示例#22
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def main():
    from mathics.doc import documentation as main_mathics_documentation

    global definitions
    global documentation
    global logfile
    global check_partial_enlapsed_time
    definitions = Definitions(add_builtin=True)
    documentation = main_mathics_documentation

    parser = ArgumentParser(description="Mathics test suite.", add_help=False)
    parser.add_argument("--help",
                        "-h",
                        help="show this help message and exit",
                        action="help")
    parser.add_argument("--version",
                        "-v",
                        action="version",
                        version="%(prog)s " + mathics.__version__)
    parser.add_argument(
        "--chapters",
        "-c",
        dest="chapters",
        metavar="CHAPTER",
        help="only test CHAPTER(s). "
        "You can list multiple chapters by adding a comma (and no space) in between chapter names.",
    )
    parser.add_argument(
        "--sections",
        "-s",
        dest="sections",
        metavar="SECTION",
        help="only test SECTION(s). "
        "You can list multiple sections by adding a comma (and no space) in between section names.",
    )
    parser.add_argument(
        "--exclude",
        "-X",
        default="",
        dest="exclude",
        metavar="SECTION",
        help="excude SECTION(s). "
        "You can list multiple sections by adding a comma (and no space) in between section names.",
    )
    parser.add_argument(
        "--logfile",
        "-f",
        dest="logfilename",
        metavar="LOGFILENAME",
        help="stores the output in [logfilename]. ",
    )
    parser.add_argument(
        "--pymathics",
        "-l",
        dest="pymathics",
        action="store_true",
        help="also checks pymathics modules.",
    )
    parser.add_argument(
        "--time-each",
        "-d",
        dest="enlapsed_times",
        action="store_true",
        help=
        "check the time that take each test to parse, evaluate and compare.",
    )

    parser.add_argument(
        "--output",
        "-o",
        dest="output",
        action="store_true",
        help="generate LaTeX pickled internal data",
    )
    parser.add_argument(
        "--doc-only",
        dest="doc_only",
        action="store_true",
        help=
        "generate LaTeX pickled internal data without running tests; Can't be used with --section or --reload.",
    )
    parser.add_argument(
        "--latex-only",
        dest="latex_only",
        action="store_true",
        help=
        "generate LaTeX output from internal data without running tests; assumes --reload",
    )
    parser.add_argument(
        "--reload",
        "-r",
        dest="reload",
        action="store_true",
        help="reload LaTeX pickled internal data, before possibly adding to it",
    )
    parser.add_argument(
        "--tex",
        "-t",
        dest="tex",
        action="store_true",
        help="include LaTeX document generation file at the end of other steps",
    )
    parser.add_argument("--quiet",
                        "-q",
                        dest="quiet",
                        action="store_true",
                        help="hide passed tests")
    parser.add_argument(
        "--keep-going",
        "-k",
        dest="keep_going",
        action="store_true",
        help="create documentation even if there is a test failure",
    )
    parser.add_argument("--stop-on-failure",
                        "-x",
                        action="store_true",
                        help="stop on failure")
    parser.add_argument(
        "--skip",
        metavar="N",
        dest="skip",
        type=int,
        default=0,
        help="skip the first N tests",
    )
    parser.add_argument(
        "--count",
        metavar="N",
        dest="count",
        type=int,
        default=MAX_TESTS,
        help="run only  N tests",
    )
    args = parser.parse_args()

    if args.enlapsed_times:
        check_partial_enlapsed_time = True
    # If a test for a specific section is called
    # just test it
    if args.logfilename:
        logfile = open(args.logfilename, "wt")

    if args.sections:
        sections = set(args.sections.split(","))
        if args.pymathics:  # in case the section is in a pymathics module...
            documentation.load_pymathics_doc()

        test_sections(sections,
                      stop_on_failure=args.stop_on_failure,
                      reload=args.reload)
    elif args.chapters:
        chapters = set(args.chapters.split(","))
        if args.pymathics:  # in case the section is in a pymathics module...
            documentation.load_pymathics_doc()

        test_chapters(chapters,
                      stop_on_failure=args.stop_on_failure,
                      reload=args.reload)
    else:
        # if we want to check also the pymathics modules
        if args.pymathics:
            print("Building pymathics documentation object")
            documentation.load_pymathics_doc()
        elif args.latex_only:
            write_latex()
        elif args.doc_only:
            extract_doc_from_source(
                quiet=args.quiet,
                reload=args.reload,
            )
        else:
            excludes = set(args.exclude.split(","))
            start_at = args.skip + 1
            start_time = datetime.now()
            test_all(
                quiet=args.quiet,
                generate_output=args.output,
                stop_on_failure=args.stop_on_failure,
                start_at=start_at,
                count=args.count,
                doc_even_if_error=args.keep_going,
                excludes=excludes,
            )
            end_time = datetime.now()
            print("Tests took ", end_time - start_time)
    # If TeX output requested, try to build it:
    if args.tex:
        write_latex()
    if logfile:
        logfile.close()
示例#23
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def setUpModule():
    global definitions
    definitions = Definitions(add_builtin=True)
示例#24
0
文件: views.py 项目: mpk3/Mathics
        response = json.dumps(result)
        super(JsonResponse, self).__init__(response,
                                           content_type=JSON_CONTENT_TYPE)


def require_ajax_login(func):
    def new_func(request, *args, **kwargs):
        if not request.user.is_authenticated():
            return JsonResponse({'requireLogin': True})
        return func(request, *args, **kwargs)

    return new_func


from mathics.settings import default_pymathics_modules
definitions = Definitions(add_builtin=True,
                          extension_modules=default_pymathics_modules)


def require_ajax_login(f):
    return f


def main_view(request):
    context = {
        'login_form': LoginForm(),
        'save_form': SaveForm(),
        'require_login': settings.REQUIRE_LOGIN,
    }
    return render(request, 'main.html', context)

示例#25
0
class MathicsKernel(Kernel):
    implementation = 'Mathics'
    implementation_version = '0.1'
    language_info = {
        'version': __version__,
        'name': 'Mathematica',
        'mimetype': 'text/x-mathematica',
    }
    banner = "Mathics kernel"   # TODO

    shell = Instance('IPython.core.interactiveshell.InteractiveShellABC', allow_none=True)
    shell_class = Type(ZMQInteractiveShell)

    user_module = Any()
    user_ns = Instance(dict, args=None, allow_none=True)

    def __init__(self, **kwargs):
        Kernel.__init__(self, **kwargs)
        self.definitions = Definitions(add_builtin=True)        # TODO Cache
        self.definitions.set_ownvalue('$Line', Integer(0))  # Reset the line number
        self.establish_comm_manager()  # needed for ipywidgets and Manipulate[]
        self.web_engine = None

    def establish_comm_manager(self):
        # see ipykernel/ipkernel.py

        self.shell = self.shell_class.instance(
            parent=self,
            profile_dir=self.profile_dir,
            user_module=self.user_module,
            user_ns=self.user_ns,
            kernel=self)
        self.shell.displayhook.session = self.session
        self.shell.displayhook.pub_socket = self.iopub_socket
        self.shell.displayhook.topic = self._topic('execute_result')
        self.shell.display_pub.session = self.session
        self.shell.display_pub.pub_socket = self.iopub_socket

        self.comm_manager = CommManager(parent=self, kernel=self)
        comm_msg_types = ['comm_open', 'comm_msg', 'comm_close']
        for msg_type in comm_msg_types:
            self.shell_handlers[msg_type] = getattr(self.comm_manager, msg_type)

    def init_web_engine(self):
        if self.web_engine is None:
            self.web_engine = WebEngine()

    def do_execute(self, code, silent, store_history=True, user_expressions=None,
                   allow_stdin=False):
        # TODO update user definitions

        response = {
            'payload': [],
            'user_expressions': {},
        }

        formats = {
            'text/plain': 'text',
            'text/html': 'xml',
            'text/latex': 'tex',
        }

        try:
            self.init_web_engine()

            evaluation = Evaluation(self.definitions, output=KernelOutput(self), format=formats)

            result = evaluation.parse_evaluate(code, timeout=settings.TIMEOUT)

            if result:
                self.result_callback(result)
        except Exception as exc:
            stack = traceback.format_exception(*sys.exc_info())

            self.out_callback(Print('An error occured: ' + str(exc) + '\n\n' + '\n'.join(stack)))

            # internal error
            response['status'] = 'error'
            response['ename'] = 'System:exception'
            response['traceback'] = stack
        else:
            response['status'] = 'ok'

        response['execution_count'] = self.definitions.get_line_no()

        return response

    def out_callback(self, out):
        if out.is_message:
            content = {
                'name': 'stderr',
                'text': '{symbol}::{tag}: {text}\n'.format(**out.get_data()),
            }
        elif out.is_print:
            content = {
                'name': 'stdout',
                'text': out.text + '\n',
            }
        else:
            raise ValueError('Unknown out')
        self.send_response(self.iopub_socket, 'stream', content)

    def reconfigure_mathjax(self):
        # Jupyter's default MathJax configuration ("safe" mode) blocks the use
        # of data uris which we use in mglyphs for displaying svgs and imgs.
        # enable the "data" protocol here. also remove font size restrictions.

        # we set processSectionDelay to 0 since that drastically improves the
        # visual experience of Manipulate as there's a lot less jitter, also see
        # http://docs.mathjax.org/en/latest/api/hub.html

        safeModeJS = """
            MathJax.Hub.Config({
              showMathMenu: false,
              showProcessingMessages: false,
              messageStyle: "normal",
              displayAlign: "left",
              Safe: {
                  safeProtocols: {
                    data: true
                  },
                  allow: {
                    fontsize: "all"
                  }
                },
                "HTML-CSS": {
                    availableFonts: [], /* force Web font */
                    preferredFont: null, /* force Web font */
                    webFont: "Asana-Math",
                    linebreaks: {
                        automatic: true,
                        width: "70%"
                    }
                }
          });

          MathJax.Hub.processSectionDelay = 0;
        """

        # see http://jupyter-client.readthedocs.org/en/latest/messaging.html
        content = {
            'data': {'application/javascript': safeModeJS},
            'metadata': {},
        }
        self.send_response(self.iopub_socket, 'display_data', content)

    def result_callback(self, result):
        self.reconfigure_mathjax()

        content = {
            'execution_count': result.line_no,
            'data': result.result,
            'metadata': {},
        }
        self.send_response(self.iopub_socket, 'execute_result', content)

    def clear_output_callback(self, wait=False):
        # see http://jupyter-client.readthedocs.org/en/latest/messaging.html
        content = dict(wait=wait)
        self.send_response(self.iopub_socket, 'clear_output', content)

    def display_data_callback(self, data, metadata):
        self.reconfigure_mathjax()

        # see http://jupyter-client.readthedocs.org/en/latest/messaging.html
        content = {
            'data': data,
            'metadata': metadata,
        }
        self.send_response(self.iopub_socket, 'display_data', content)

    def do_inspect(self, code, cursor_pos, detail_level=0):
        start_pos, end_pos, name = self.find_symbol_name(code, cursor_pos)

        if name is None:
            return {'status': 'error'}

        if '`' not in name:
            name = 'System`' + name

        try:
            instance = builtins[name]
        except KeyError:
            return {'status': 'ok', 'found': False, 'data': {}, 'metadata': {}}

        doc = Doc(instance.__doc__ or '')
        data = {
            'text/plain': str(doc),
            # TODO latex
            # TODO html
        }
        return {'status': 'ok', 'found': True, 'data': data, 'metadata': {}}

    def do_complete(self, code, cursor_pos):
        start_pos, end_pos, name = self.find_symbol_name(code, cursor_pos)

        if name is None:
            return {'status': 'error'}

        remove_system = False
        system_prefix = 'System`'
        if '`' not in name:
            name = system_prefix + name
            remove_system = True

        matches = []
        for key in builtins:
            if key.startswith(name):
                matches.append(key)

        if remove_system:
            matches = [match[len(system_prefix):] for match in matches]

        return {
            'status': 'ok',
            'matches': matches,
            'cursor_start': start_pos,
            'cursor_end': end_pos,
            'metadata': {},
        }

    def do_is_complete(self, code):
        try:
            # list forces generator evaluation (parse all lines)
            list(parse_lines(code, self.definitions))
        except IncompleteSyntaxError:
            return {'status': 'incomplete', 'indent': ''}
        except TranslateError:
            return {'status': 'invalid'}
        else:
            return {'status': 'complete'}

    @staticmethod
    def find_symbol_name(code, cursor_pos):
        '''
        Given a string of code tokenize it until cursor_pos and return the final symbol name.
        returns None if no symbol is found at cursor_pos.

        >>> MathicsKernel.find_symbol_name('1 + Sin', 6)
        'System`Sin'

        >>> MathicsKernel.find_symbol_name('1 + ` Sin[Cos[2]] + x', 8)
        'System`Sin'

        >>> MathicsKernel.find_symbol_name('Sin `', 4)
        '''

        tokeniser = Tokeniser(SingleLineFeeder(code))

        start_pos = None
        end_pos = None
        name = None
        while True:
            try:
                token = tokeniser.next()
            except ScanError:
                continue
            if token.tag == 'END':
                break   # ran out of tokens
            # find first token which contains cursor_pos
            if tokeniser.pos >= cursor_pos:
                if token.tag == 'Symbol':
                    name = token.text
                    start_pos = token.pos
                    end_pos = tokeniser.pos
                break
        return start_pos, end_pos, name
示例#26
0
class MathicsKernel(Kernel):
    import re 
    svg_open_tag = re.compile('<mtable><mtr><mtd><svg')
    svg_close_tag = re.compile('</svg></mtd></mtr></mtable>')

    implementation = 'Mathics'
    implementation_version = __version__
    language_version = '0.1'    # TODO
    language_info = {
        'name': 'Mathematica',
        'mimetype': 'text/x-mathematica',
    }
    banner = "Mathics kernel"   # TODO
    
    def __init__(self, **kwargs):
        self.mathjax_initialized = False
        Kernel.__init__(self, **kwargs)
        if self.log is None:
            # This occurs if we call as a stand-alone kernel
            # (eg, not as a process)
            # FIXME: take care of input/output, eg StringIO
            #        make work without a session
            self.log = logging.Logger("NotebookApp")

        self.definitions = Definitions(add_builtin=True)        # TODO Cache
        self.definitions.set_ownvalue('$Line', Integer(0))  # Reset the line number


    def do_execute(self, code, silent, store_history=True, user_expressions=None,
                   allow_stdin=False):
        #Initialize mathjax... It should be a beter place to do it inside the imathics kernel
        if not self.mathjax_initialized:
            self.mathjax_initialized = True
            self.Display(Javascript(''' 
               MathJax.Hub.Config({jax: ["input/TeX","input/MathML","input/AsciiMath","output/HTML-CSS","output/NativeMML",
               "output/PreviewHTML"],extensions: ["tex2jax.js","mml2jax.js","asciimath2jax.js","MathMenu.js","MathZoom.js",
               "fast-preview.js", "AssistiveMML.js"],TeX: { extensions: ["AMSmath.js","AMSsymbols.js","noErrors.js",
               "noUndefined.js"]}});''',
                                    lib="https://cdn.mathjax.org/mathjax/latest/MathJax.js"))
        # TODO update user definitions

        response = {
            'payload': [],
            'user_expressions': {},
        }

        try:
            evaluation = Evaluation(code, self.definitions, out_callback=self.out_callback,
                                    timeout=settings.TIMEOUT,format="xml")
        except Exception as exc:
            response['status'] = 'error'
            response['ename'] = 'System:exception'
            response['traceback'] = traceback.format_exception(*sys.exc_info())
            evaluation = Evaluation()
            raise exc
        else:
            response['status'] = 'ok'

        if not silent:
            for result in evaluation.results:
                if result.result is not None:
                    xmlchain = result.result
                    xmlchain= MathicsKernel.svg_open_tag.sub("<mtable><mtr><mtd><annotation-xml encoding=\"text/html\" ><svg",xmlchain)
                    xmlchain= MathicsKernel.svg_close_tag.sub("</svg></annotation-xml></mtd></mtr></mtable>",xmlchain)
                    data = {
                        'text/html': xmlchain,
                        # TODO html / mathjax output
                    }
                    
                    content = {'execution_count': result.line_no, 'data': data, 'metadata': {}}
                    self.send_response(self.iopub_socket, 'execute_result', content)

        response['execution_count'] = self.definitions.get_line()

        return response

    def out_callback(self, out):
        if out.is_message:
            content = {
                'name': 'stderr',
                'text': '{symbol}::{tag}: {text}\n'.format(**out.get_data()),
            }
        elif out.is_print:
            content = {
                'name': 'stdout',
                'text': out.text + '\n',
            }
        else:
            raise ValueError('Unknown out')
        self.send_response(self.iopub_socket, 'stream', content)

    def do_inspect(self, code, cursor_pos, detail_level=0):
        # name = code[:cursor_pos]
        name = code

        if '`' not in name:
            name = 'System`' + name

        try:
            instance = builtins[name]
        except KeyError:
            return {'status': 'ok', 'found': False, 'data': {}, 'metadata': {}}

        doc = Doc(instance.__doc__ or '')    # TODO Handle possible ValueError here
        data = {'text/plain': doc.text(detail_level), 'text/html': doc.html()}        # TODO 'application/x-tex': doc.latex()
        return {'status': 'ok', 'found': True, 'data': data, 'metadata': {}}

    @staticmethod
    def do_is_complete(code):
        code = code.rstrip()

        trailing_ops = ['+', '-', '/', '*', '^', '=', '>', '<', '/;', '/:',
                        '/.', '&&', '||']
        if any(code.endswith(op) for op in trailing_ops):
            return {'status': 'incomplete', 'indent': ''}

        brackets = [('(', ')'), ('[', ']'), ('{', '}')]
        kStart, kEnd, stack = 0, 1, []
        in_string = False
        for char in code:
            if char == '"':
                in_string = not in_string
            if not in_string:
                for bracketPair in brackets:
                    if char == bracketPair[kStart]:
                        stack.append(char)
                    elif char == bracketPair[kEnd]:
                        if len(stack) == 0:
                            return {'status': 'invalid'}
                        if stack.pop() != bracketPair[kStart]:
                            return {'status': 'invalid'}
        if in_string:
            return {'status': 'incomplete', 'indent': ''}
        elif len(stack) != 0:
            return {'status': 'incomplete', 'indent': 4 * len(stack) * ' '}
        else:
            return {'status': 'complete'}


#Borrowed from metakernel package    
    def repr(self, item):
        return repr(item)

#Borrowed from metakernel package    
    def Display(self, *args, **kwargs):
        clear_output = kwargs.get("clear_output", False)
        for message in args:
            if isinstance(message, HTML):
                if clear_output:
                    self.send_response(self.iopub_socket, 'clear_output',
                                       {'wait': True})
            # if Widget and isinstance(message, Widget):
            #     self.log.debug('Display Widget')
            #     self._ipy_formatter(message)
            else:
                self.log.debug('Display Data')
                try:
                    data = _formatter(message, self.repr)
                except Exception as e:
                    self.Error(e)
                    return
                self.send_response(self.iopub_socket, 'display_data',
                                   {'data': data,
                                    'metadata': dict()})
示例#27
0
def main():
    from mathics.doc import documentation as main_mathics_documentation

    global definitions
    global documentation
    definitions = Definitions(add_builtin=True)
    documentation = main_mathics_documentation

    parser = ArgumentParser(description="Mathics test suite.", add_help=False)
    parser.add_argument("--help",
                        "-h",
                        help="show this help message and exit",
                        action="help")
    parser.add_argument("--version",
                        "-v",
                        action="version",
                        version="%(prog)s " + mathics.__version__)
    parser.add_argument(
        "--sections",
        "-s",
        dest="section",
        metavar="SECTION",
        help="only test SECTION(s). "
        "You can list multiple sections by adding a comma (and no space) in between section names."
    )
    parser.add_argument(
        "--pymathics",
        "-l",
        dest="pymathics",
        action="store_true",
        help="also checks pymathics modules.",
    )

    parser.add_argument(
        "--output",
        "-o",
        dest="output",
        action="store_true",
        help="generate TeX and XML output data",
    )
    parser.add_argument(
        "--doc-only",
        dest="doc_only",
        action="store_true",
        help="generate TeX and XML output data without running tests",
    )
    parser.add_argument(
        "--tex",
        "-t",
        dest="tex",
        action="store_true",
        help="generate TeX documentation file",
    )
    parser.add_argument("--quiet",
                        "-q",
                        dest="quiet",
                        action="store_true",
                        help="hide passed tests")
    parser.add_argument(
        "--keep-going",
        "-k",
        dest="keep_going",
        action="store_true",
        help="create documentation even if there is a test failure",
    )
    parser.add_argument("--stop-on-failure",
                        action="store_true",
                        help="stop on failure")
    parser.add_argument(
        "--skip",
        metavar="N",
        dest="skip",
        type=int,
        default=0,
        help="skip the first N tests",
    )
    parser.add_argument(
        "--count",
        metavar="N",
        dest="count",
        type=int,
        default=MAX_TESTS,
        help="run only  N tests",
    )
    args = parser.parse_args()
    # If a test for a specific section is called
    # just test it
    if args.section:
        sections = set(args.section.split(","))
        if args.pymathics:  # in case the section is in a pymathics module...
            documentation.load_pymathics_doc()

        test_section(sections, stop_on_failure=args.stop_on_failure)
    else:
        # if we want to check also the pymathics modules
        if args.pymathics:
            print("Building pymathics documentation object")
            documentation.load_pymathics_doc()
        elif args.doc_only:
            make_doc(quiet=args.quiet, )
        else:
            start_at = args.skip + 1
            start_time = datetime.now()
            test_all(
                quiet=args.quiet,
                generate_output=args.output,
                stop_on_failure=args.stop_on_failure,
                start_at=start_at,
                count=args.count,
                doc_even_if_error=args.keep_going,
            )
            end_time = datetime.now()
            print("Tests took ", end_time - start_time)
    # If TeX output requested, try to build it:
    if args.tex:
        write_latex()
示例#28
0
文件: main.py 项目: nonohry/Mathics
def main():
    argparser = argparse.ArgumentParser(
        prog='mathics',
        usage='%(prog)s [options] [FILE]',
        add_help=False,
        description="Mathics is a general-purpose computer algebra system.",
        epilog="""Please feel encouraged to contribute to Mathics! Create
            your own fork, make the desired changes, commit, and make a pull 
            request.""")

    argparser.add_argument('FILE',
                           nargs='?',
                           type=argparse.FileType('r'),
                           help='execute commands from FILE')

    argparser.add_argument('--help',
                           '-h',
                           help='show this help message and exit',
                           action='help')
    argparser.add_argument(
        '--persist',
        help='go to interactive shell after evaluating FILE',
        action='store_true')
    argparser.add_argument('--quiet',
                           '-q',
                           help='don\'t print message at startup',
                           action='store_true')
    argparser.add_argument('-script',
                           help='run a mathics file in script mode',
                           action='store_true')
    argparser.add_argument('--execute',
                           '-e',
                           nargs='?',
                           help='execute a command')
    argparser.add_argument('--colors',
                           nargs='?',
                           help='interactive shell colors')
    argparser.add_argument('--version',
                           '-v',
                           action='version',
                           version=get_version_string(False))

    args = argparser.parse_args()

    quit_command = 'CTRL-BREAK' if sys.platform == 'win32' else 'CONTROL-D'

    definitions = Definitions(add_builtin=True)

    # TODO all binary operators?

    #Reset the line number to 1
    definitions.set_ownvalue('$Line', Integer(1))

    shell = TerminalShell(definitions, args.colors)

    if args.execute:
        print get_in_prompt() + args.execute
        evaluation = Evaluation(args.execute,
                                definitions,
                                timeout=30,
                                out_callback=out_callback)
        for result in evaluation.results:
            if result.result is not None:
                print shell.get_out_prompt() + to_output(unicode(
                    result.result)) + '\n'
        return

    if not (args.quiet or args.script):
        print_version(is_server=False)
        print_license()
        print u"Quit by pressing %s" % quit_command

        print ''

    if args.FILE is not None:
        total_input = ""
        for line in args.FILE:

            if args.script and line.startswith('#!'):
                continue

            if total_input == "":
                print shell.get_in_prompt() + line,
            else:
                print '       ', line,

            total_input += line

            if line == "":
                pass
            elif wait_for_line(total_input):
                continue

            evaluation = Evaluation(total_input,
                                    definitions,
                                    timeout=30,
                                    out_callback=out_callback)
            for result in evaluation.results:
                if result.result is not None:
                    print shell.get_out_prompt() + to_output(
                        unicode(result.result)) + '\n'
            total_input = ""
        if not args.persist:
            return

    while True:
        try:
            total_input = ""
            line_input = raw_input(shell.get_in_prompt())
            while line_input != "":
                total_input += ' ' + line_input
                if not wait_for_line(total_input):
                    break
                line_input = raw_input('        ')

            evaluation = Evaluation(total_input,
                                    definitions,
                                    timeout=30,
                                    out_callback=out_callback)

            for result in evaluation.results:
                if result.result is not None:
                    print shell.get_out_prompt() + to_output(
                        unicode(result.result)) + '\n'

        except (KeyboardInterrupt):
            print '\nKeyboardInterrupt'
        except (SystemExit, EOFError):
            print "\n\nGood bye!\n"
            break
示例#29
0
def main():
    argparser = argparse.ArgumentParser(
        prog='mathics',
        usage='%(prog)s [options] [FILE]',
        add_help=False,
        description="Mathics is a general-purpose computer algebra system.",
        epilog="""Please feel encouraged to contribute to Mathics! Create
            your own fork, make the desired changes, commit, and make a pull
            request.""")

    argparser.add_argument(
        'FILE', nargs='?', type=argparse.FileType('r'),
        help='execute commands from FILE')

    argparser.add_argument(
        '--help', '-h', help='show this help message and exit', action='help')

    argparser.add_argument(
        '--persist', help='go to interactive shell after evaluating FILE or -e',
        action='store_true')

    argparser.add_argument(
        '--quiet', '-q', help='don\'t print message at startup',
        action='store_true')

    argparser.add_argument(
        '-script', help='run a mathics file in script mode',
        action='store_true')

    argparser.add_argument(
        '--execute', '-e', action='append', metavar='EXPR',
        help='evaluate EXPR before processing any input files (may be given '
        'multiple times)')

    argparser.add_argument(
        '--colors', nargs='?', help='interactive shell colors')

    argparser.add_argument(
        '--no-completion', help="disable tab completion", action='store_true')

    argparser.add_argument(
        '--no-readline', help="disable line editing (implies --no-completion)",
        action='store_true')

    argparser.add_argument(
        '--version', '-v', action='version',
        version='%(prog)s ' + __version__)

    args = argparser.parse_args()

    quit_command = 'CTRL-BREAK' if sys.platform == 'win32' else 'CONTROL-D'

    definitions = Definitions(add_builtin=True)
    definitions.set_ownvalue('$Line', Integer(0))  # Reset the line number

    shell = TerminalShell(
        definitions, args.colors, want_readline=not(args.no_readline),
        want_completion=not(args.no_completion))

    if not (args.quiet or args.script):
        print()
        print(version_string + '\n')
        print(license_string + '\n')
        print("Quit by pressing {0}\n".format(quit_command))

    if args.execute:
        for expr in args.execute:
            print(shell.get_in_prompt() + expr)
            evaluation = Evaluation(shell.definitions, out_callback=shell.out_callback)
            exprs = evaluation.parse(expr)
            results = evaluation.evaluate(exprs, timeout=settings.TIMEOUT)
            shell.print_results(results)

        if not args.persist:
            return

    if args.FILE is not None:
        lines = args.FILE.readlines()
        if args.script and lines[0].startswith('#!'):
            lines[0] = ''

        results = []
        query_gen = parse_lines(lines, shell.definitions)
        evaluation = Evaluation(shell.definitions, out_callback=shell.out_callback)
        try:
            for query in query_gen:
                results.extend(evaluation.evaluate([query], timeout=settings.TIMEOUT))
        except TranslateError as exc:
            evaluation.recursion_depth = 0
            evaluation.stopped = False
            evaluation.message('Syntax', exc.msg, *exc.args)
        except (KeyboardInterrupt):
            print('\nKeyboardInterrupt')
        except (SystemExit, EOFError):
            print("\n\nGood bye!\n")

        if not args.persist:
            return

    total_input = ""
    while True:
        try:
            evaluation = Evaluation(shell.definitions, out_callback=shell.out_callback)
            line = shell.read_line(shell.get_in_prompt(continued=total_input != ''))
            total_input += line
            try:
                query = parse(total_input, shell.definitions)
            except TranslateError as exc:
                if line == '' or not isinstance(exc, IncompleteSyntaxError):
                    evaluation.message('Syntax', exc.msg, *exc.args)
                    total_input = ""
                continue
            total_input = ""
            if query is None:
                continue
            results = evaluation.evaluate([query], timeout=settings.TIMEOUT)
            shell.print_results(results)
        except (KeyboardInterrupt):
            print('\nKeyboardInterrupt')
        except (SystemExit, EOFError):
            print("\n\nGood bye!\n")
            break
示例#30
0
def main():
    argparser = argparse.ArgumentParser(
        prog='mathics',
        usage='%(prog)s [options] [FILE]',
        add_help=False,
        description="Mathics is a general-purpose computer algebra system.",
        epilog="""Please feel encouraged to contribute to Mathics! Create
            your own fork, make the desired changes, commit, and make a pull 
            request.""")

    argparser.add_argument('FILE',
                           nargs='?',
                           type=argparse.FileType('r'),
                           help='execute commands from FILE')
    argparser.add_argument('--help',
                           '-h',
                           help='show this help message and exit',
                           action='help')
    argparser.add_argument(
        '--persist',
        help='go to interactive shell after evaluating FILE',
        action='store_true')
    argparser.add_argument('--quiet',
                           '-q',
                           help='don\'t print message at startup',
                           action='store_true')
    argparser.add_argument('-script',
                           help='run a mathics file in script mode',
                           action='store_true')
    argparser.add_argument('--execute',
                           '-e',
                           nargs='?',
                           help='execute a command')
    argparser.add_argument('--colors',
                           nargs='?',
                           help='interactive shell colors')
    argparser.add_argument('--version',
                           '-v',
                           action='version',
                           version=get_version_string(False))
    args = argparser.parse_args()

    quit_command = 'CTRL-BREAK' if sys.platform == 'win32' else 'CONTROL-D'

    definitions = Definitions(add_builtin=True)
    definitions.set_ownvalue('$Line', Integer(1))  #Reset the line number to 1

    shell = TerminalShell(definitions, args.colors)

    if not (args.quiet or args.script):
        print_version(is_server=False)
        print_license()
        print u"Quit by pressing {0}\n".format(quit_command)

    if args.execute:
        total_input = args.execute.decode(sys.stdin.encoding)  # check encoding
        print shell.get_in_prompt() + total_input
        shell.evaluate(total_input)
        return

    if args.FILE is not None:
        total_input = ''
        for line_no, line in enumerate(args.FILE):
            try:
                line = line.decode('utf-8')  # TODO: other encodings
                if args.script and line_no == 0 and line.startswith('#!'):
                    continue
                print shell.get_in_prompt(
                    continued=(total_input != '')) + line,
                total_input += ' ' + line
                if line != "" and wait_for_line(total_input):
                    continue
                shell.evaluate(total_input)
                total_input = ""
            except (KeyboardInterrupt):
                print '\nKeyboardInterrupt'
            except (SystemExit, EOFError):
                print "\n\nGood bye!\n"
                break
        if not args.persist:
            return

    total_input = ""
    while True:
        try:
            line = raw_input(shell.get_in_prompt(continued=total_input != ''))
            line = line.decode(sys.stdin.encoding)
            total_input += line
            if line != "" and wait_for_line(total_input):
                continue
            shell.evaluate(total_input)
            total_input = ""
        except (KeyboardInterrupt):
            print '\nKeyboardInterrupt'
        except (SystemExit, EOFError):
            print "\n\nGood bye!\n"
            break
示例#31
0
def main():
    argparser = argparse.ArgumentParser(
        prog='mathics',
        usage='%(prog)s [options] [FILE]',
        add_help=False,
        description="Mathics is a general-purpose computer algebra system.",
        epilog="""Please feel encouraged to contribute to Mathics! Create
            your own fork, make the desired changes, commit, and make a pull
            request.""")

    argparser.add_argument(
        'FILE', nargs='?', type=argparse.FileType('r'),
        help='execute commands from FILE')

    argparser.add_argument(
        '--help', '-h', help='show this help message and exit', action='help')

    argparser.add_argument(
        '--persist', help='go to interactive shell after evaluating FILE or -e',
        action='store_true')

    argparser.add_argument(
        '--quiet', '-q', help='don\'t print message at startup',
        action='store_true')

    argparser.add_argument(
        '-script', help='run a mathics file in script mode',
        action='store_true')

    argparser.add_argument(
        '--execute', '-e', action='append', metavar='EXPR',
        help='evaluate EXPR before processing any input files (may be given '
        'multiple times)')

    argparser.add_argument(
        '--colors', nargs='?', help='interactive shell colors')

    argparser.add_argument(
        '--no-completion', help="disable tab completion", action='store_true')

    argparser.add_argument(
        '--no-readline', help="disable line editing (implies --no-completion)",
        action='store_true')

    argparser.add_argument(
        '--version', '-v', action='version',
        version='%(prog)s ' + __version__)

    args = argparser.parse_args()

    quit_command = 'CTRL-BREAK' if sys.platform == 'win32' else 'CONTROL-D'

    definitions = Definitions(add_builtin=True)
    definitions.set_ownvalue('$Line', Integer(0))  # Reset the line number

    shell = TerminalShell(
        definitions, args.colors, want_readline=not(args.no_readline),
        want_completion=not(args.no_completion))

    if not (args.quiet or args.script):
        print()
        print(version_string + '\n')
        print(license_string + '\n')
        print("Quit by pressing {0}\n".format(quit_command))

    if args.execute:
        for expr in args.execute:
            # expr = expr.decode(shell.input_encoding)
            print(shell.get_in_prompt() + expr)
            shell.evaluate(expr)
        if not args.persist:
            return

    if args.FILE is not None:
        total_input = ''
        for line_no, line in enumerate(args.FILE):
            try:
                # line = line.decode('utf-8')     # TODO: other encodings
                if args.script and line_no == 0 and line.startswith('#!'):
                    continue
                print(shell.get_in_prompt(continued=total_input != '') + line.rstrip('\n'))
                total_input += ' ' + line
                if line != "" and wait_for_line(total_input):
                    continue
                shell.evaluate(total_input)
                total_input = ""
            except (KeyboardInterrupt):
                print('\nKeyboardInterrupt')
            except (SystemExit, EOFError):
                print("\n\nGood bye!\n")
                break
        if not args.persist:
            return

    total_input = ""
    while True:
        try:
            line = shell.read_line(
                shell.get_in_prompt(continued=total_input != ''))
            total_input += line
            if line != "" and wait_for_line(total_input):
                continue
            shell.evaluate(total_input)
            total_input = ""
        except (KeyboardInterrupt):
            print('\nKeyboardInterrupt')
        except (SystemExit, EOFError):
            print("\n\nGood bye!\n")
            break
示例#32
0
def main():
    argparser = argparse.ArgumentParser(
        prog='mathics',
        usage='%(prog)s [options] [FILE]',
        add_help=False,
        description="Mathics is a general-purpose computer algebra system.",
        epilog="""Please feel encouraged to contribute to Mathics! Create
            your own fork, make the desired changes, commit, and make a pull
            request.""")

    argparser.add_argument('FILE',
                           nargs='?',
                           type=argparse.FileType('r'),
                           help='execute commands from FILE')

    argparser.add_argument('--help',
                           '-h',
                           help='show this help message and exit',
                           action='help')

    argparser.add_argument(
        '--persist',
        help='go to interactive shell after evaluating FILE or -e',
        action='store_true')

    argparser.add_argument('--quiet',
                           '-q',
                           help='don\'t print message at startup',
                           action='store_true')

    argparser.add_argument('-script',
                           help='run a mathics file in script mode',
                           action='store_true')

    argparser.add_argument(
        '--execute',
        '-e',
        action='append',
        metavar='EXPR',
        help='evaluate EXPR before processing any input files (may be given '
        'multiple times)')

    argparser.add_argument('--colors',
                           nargs='?',
                           help='interactive shell colors')

    argparser.add_argument('--no-completion',
                           help="disable tab completion",
                           action='store_true')

    argparser.add_argument(
        '--no-readline',
        help="disable line editing (implies --no-completion)",
        action='store_true')

    argparser.add_argument('--version',
                           '-v',
                           action='version',
                           version='%(prog)s ' + __version__)

    args = argparser.parse_args()

    quit_command = 'CTRL-BREAK' if sys.platform == 'win32' else 'CONTROL-D'

    definitions = Definitions(add_builtin=True)
    definitions.set_line_no(0)

    shell = TerminalShell(definitions,
                          args.colors,
                          want_readline=not (args.no_readline),
                          want_completion=not (args.no_completion))

    if args.execute:
        for expr in args.execute:
            print(shell.get_in_prompt() + expr)
            evaluation = Evaluation(shell.definitions,
                                    output=TerminalOutput(shell))
            result = evaluation.parse_evaluate(expr, timeout=settings.TIMEOUT)
            shell.print_result(result)

        if not args.persist:
            return

    if args.FILE is not None:
        feeder = FileLineFeeder(args.FILE)
        try:
            while not feeder.empty():
                evaluation = Evaluation(shell.definitions,
                                        output=TerminalOutput(shell),
                                        catch_interrupt=False)
                query = evaluation.parse_feeder(feeder)
                if query is None:
                    continue
                evaluation.evaluate(query, timeout=settings.TIMEOUT)
        except (KeyboardInterrupt):
            print('\nKeyboardInterrupt')

        if args.persist:
            definitions.set_line_no(0)
        else:
            return

    if not args.quiet:
        print()
        print(version_string + '\n')
        print(license_string + '\n')
        print("Quit by pressing {0}\n".format(quit_command))

    while True:
        try:
            evaluation = Evaluation(shell.definitions,
                                    output=TerminalOutput(shell))
            query = evaluation.parse_feeder(shell)
            if query is None:
                continue
            result = evaluation.evaluate(query, timeout=settings.TIMEOUT)
            if result is not None:
                shell.print_result(result)
        except (KeyboardInterrupt):
            print('\nKeyboardInterrupt')
        except (SystemExit, EOFError):
            print("\n\nGoodbye!\n")
            break
        finally:
            shell.reset_lineno()
示例#33
0
文件: main.py 项目: slel/Mathics
def main() -> int:
    """
    Command-line entry.

    Return exit code we want to give status of
    """
    exit_rc = 0
    argparser = argparse.ArgumentParser(
        prog="mathics",
        usage="%(prog)s [options] [FILE]",
        add_help=False,
        description="Mathics is a general-purpose computer algebra system.",
        epilog="""Please feel encouraged to contribute to Mathics! Create
            your own fork, make the desired changes, commit, and make a pull
            request.""",
    )

    argparser.add_argument(
        "FILE",
        nargs="?",
        type=argparse.FileType("r"),
        help="execute commands from FILE",
    )

    argparser.add_argument(
        "--help", "-h", help="show this help message and exit", action="help"
    )

    argparser.add_argument(
        "--full-form",
        "-F",
        help="Show how input was parsed to FullForm",
        action="store_true",
    )

    argparser.add_argument(
        "--pyextensions",
        "-l",
        action="append",
        metavar="PYEXT",
        help="directory to load extensions in python",
    )

    argparser.add_argument(
        "--persist",
        help="go to interactive shell after evaluating FILE or -e",
        action="store_true",
    )

    # --initfile is different from the combination FILE --persist since the first one
    # leaves the history empty and sets the current $Line to 1.
    argparser.add_argument(
        "--initfile",
        help="the same that FILE and --persist together",
        type=argparse.FileType("r"),
    )

    argparser.add_argument(
        "--quiet", "-q", help="don't print message at startup", action="store_true"
    )

    argparser.add_argument(
        "-script", help="run a mathics file in script mode", action="store_true"
    )

    argparser.add_argument(
        "--execute",
        "-e",
        action="append",
        metavar="EXPR",
        help="evaluate EXPR before processing any input files (may be given "
        "multiple times)",
    )

    argparser.add_argument("--colors", nargs="?", help="interactive shell colors")

    argparser.add_argument(
        "--no-completion", help="disable tab completion", action="store_true"
    )

    argparser.add_argument(
        "--no-readline",
        help="disable line editing (implies --no-completion)",
        action="store_true",
    )

    argparser.add_argument(
        "--version", "-v", action="version", version="%(prog)s " + __version__
    )

    args, script_args = argparser.parse_known_args()

    quit_command = "CTRL-BREAK" if sys.platform == "win32" else "CONTROL-D"

    extension_modules = []
    if args.pyextensions:
        for ext in args.pyextensions:
            extension_modules.append(ext)
    else:
        from mathics.settings import default_pymathics_modules

        extension_modules = default_pymathics_modules

    definitions = Definitions(add_builtin=True, extension_modules=extension_modules)
    definitions.set_line_no(0)

    shell = TerminalShell(
        definitions,
        args.colors,
        want_readline=not (args.no_readline),
        want_completion=not (args.no_completion),
    )

    if args.initfile:
        feeder = FileLineFeeder(args.initfile)
        try:
            while not feeder.empty():
                evaluation = Evaluation(
                    shell.definitions,
                    output=TerminalOutput(shell),
                    catch_interrupt=False,
                )
                query = evaluation.parse_feeder(feeder)
                if query is None:
                    continue
                evaluation.evaluate(query, timeout=settings.TIMEOUT)
        except (KeyboardInterrupt):
            print("\nKeyboardInterrupt")

        definitions.set_line_no(0)

    if args.execute:
        for expr in args.execute:
            evaluation = Evaluation(shell.definitions, output=TerminalOutput(shell))
            result = evaluation.parse_evaluate(expr, timeout=settings.TIMEOUT)
            shell.print_result(result, no_out_prompt=True)
            if evaluation.exc_result == Symbol("Null"):
                exit_rc = 0
            elif evaluation.exc_result == Symbol("$Aborted"):
                exit_rc = -1
            elif evaluation.exc_result == Symbol("Overflow"):
                exit_rc = -2
            else:
                exit_rc = -3

        if not args.persist:
            return exit_rc

    if args.FILE is not None:
        feeder = FileLineFeeder(args.FILE)
        try:
            while not feeder.empty():
                evaluation = Evaluation(
                    shell.definitions,
                    output=TerminalOutput(shell),
                    catch_interrupt=False,
                )
                query = evaluation.parse_feeder(feeder)
                if query is None:
                    continue
                evaluation.evaluate(query, timeout=settings.TIMEOUT)
        except (KeyboardInterrupt):
            print("\nKeyboardInterrupt")

        if args.persist:
            definitions.set_line_no(0)
        else:
            return exit_rc

    if not args.quiet:
        print()
        print(version_string + "\n")
        print(license_string + "\n")
        print("Quit by pressing {0}\n".format(quit_command))

    while True:
        try:
            evaluation = Evaluation(shell.definitions, output=TerminalOutput(shell))
            query, source_code = evaluation.parse_feeder_returning_code(shell)
            if len(source_code) and source_code[0] == "!":
                subprocess.run(source_code[1:], shell=True)
                shell.definitions.increment_line_no(1)
                continue
            if query is None:
                continue
            if args.full_form:
                print(query)
            result = evaluation.evaluate(query, timeout=settings.TIMEOUT)
            if result is not None:
                shell.print_result(result)
        except (KeyboardInterrupt):
            print("\nKeyboardInterrupt")
        except EOFError:
            print("\n\nGoodbye!\n")
            break
        except SystemExit:
            print("\n\nGoodbye!\n")
            # raise to pass the error code on, e.g. Quit[1]
            raise
        finally:
            shell.reset_lineno()
    return exit_rc
示例#34
0
def main():
    argparser = argparse.ArgumentParser(
        prog='mathics',
        usage='%(prog)s [options] [FILE]',
        add_help=False,
        description="Mathics is a general-purpose computer algebra system.",
        epilog="""Please feel encouraged to contribute to Mathics! Create
            your own fork, make the desired changes, commit, and make a pull
            request.""")

    argparser.add_argument(
        'FILE', nargs='?', type=argparse.FileType('r'),
        help='execute commands from FILE')

    argparser.add_argument(
        '--help', '-h', help='show this help message and exit', action='help')

    argparser.add_argument(
        '--persist', help='go to interactive shell after evaluating FILE or -e',
        action='store_true')

    argparser.add_argument(
        '--quiet', '-q', help='don\'t print message at startup',
        action='store_true')

    argparser.add_argument(
        '-script', help='run a mathics file in script mode',
        action='store_true')

    argparser.add_argument(
        '--execute', '-e', action='append', metavar='EXPR',
        help='evaluate EXPR before processing any input files (may be given '
        'multiple times)')

    argparser.add_argument(
        '--colors', nargs='?', help='interactive shell colors')

    argparser.add_argument(
        '--no-completion', help="disable tab completion", action='store_true')

    argparser.add_argument(
        '--no-readline', help="disable line editing (implies --no-completion)",
        action='store_true')

    argparser.add_argument(
        '--version', '-v', action='version',
        version='%(prog)s ' + __version__)

    args = argparser.parse_args()

    quit_command = 'CTRL-BREAK' if sys.platform == 'win32' else 'CONTROL-D'

    definitions = Definitions(add_builtin=True)
    definitions.set_line_no(0)

    shell = TerminalShell(
        definitions, args.colors, want_readline=not(args.no_readline),
        want_completion=not(args.no_completion))

    if args.execute:
        for expr in args.execute:
            print(shell.get_in_prompt() + expr)
            evaluation = Evaluation(shell.definitions, out_callback=shell.out_callback)
            result = evaluation.parse_evaluate(expr, timeout=settings.TIMEOUT)
            shell.print_result(result)

        if not args.persist:
            return

    if args.FILE is not None:
        feeder = FileLineFeeder(args.FILE)
        try:
            while not feeder.empty():
                evaluation = Evaluation(shell.definitions, out_callback=shell.out_callback, catch_interrupt=False)
                query = evaluation.parse_feeder(feeder)
                if query is None:
                    continue
                evaluation.evaluate(query, timeout=settings.TIMEOUT)
        except (KeyboardInterrupt):
            print('\nKeyboardInterrupt')

        if args.persist:
            definitions.set_line_no(0)
        else:
            return

    if not args.quiet:
        print()
        print(version_string + '\n')
        print(license_string + '\n')
        print("Quit by pressing {0}\n".format(quit_command))

    while True:
        try:
            evaluation = Evaluation(shell.definitions, out_callback=shell.out_callback)
            query = evaluation.parse_feeder(shell)
            if query is None:
                continue
            result = evaluation.evaluate(query, timeout=settings.TIMEOUT)
            if result is not None:
                shell.print_result(result)
        except (KeyboardInterrupt):
            print('\nKeyboardInterrupt')
        except (SystemExit, EOFError):
            print("\n\nGood bye!\n")
            break
        finally:
            shell.reset_lineno()
示例#35
0
文件: main.py 项目: GitAnt/Mathics
def main():
    argparser = argparse.ArgumentParser(
        prog='mathics',
        usage='%(prog)s [options] [FILE]',
        add_help=False,
        description="Mathics is a general-purpose computer algebra system.",
        epilog="""Please feel encouraged to contribute to Mathics! Create
            your own fork, make the desired changes, commit, and make a pull
            request.""")

    argparser.add_argument(
        'FILE', nargs='?', type=argparse.FileType('r'),
        help='execute commands from FILE')

    argparser.add_argument(
        '--help', '-h', help='show this help message and exit', action='help')

    argparser.add_argument(
        '--persist', help='go to interactive shell after evaluating FILE',
        action='store_true')

    argparser.add_argument(
        '--quiet', '-q', help='don\'t print message at startup',
        action='store_true')

    argparser.add_argument(
        '-script', help='run a mathics file in script mode',
        action='store_true')

    argparser.add_argument(
        '--execute', '-e', nargs='?', help='execute a command')

    argparser.add_argument(
        '--colors', nargs='?', help='interactive shell colors')

    argparser.add_argument(
        '--version', '-v', action='version', version=get_version_string(False))

    args = argparser.parse_args()

    quit_command = 'CTRL-BREAK' if sys.platform == 'win32' else 'CONTROL-D'

    definitions = Definitions(add_builtin=True)

    definitions.set_ownvalue('$Line', Integer(0))  # Reset the line number

    shell = TerminalShell(definitions, args.colors)

    if not (args.quiet or args.script):
        print_version(is_server=False)
        print_license()
        print u"Quit by pressing {0}\n".format(quit_command)

    if args.execute:
        total_input = args.execute.decode(shell.input_encoding)
        print shell.get_in_prompt() + total_input
        shell.evaluate(total_input)
        return

    if args.FILE is not None:
        total_input = ''
        for line_no, line in enumerate(args.FILE):
            try:
                line = line.decode('utf-8')     # TODO: other encodings
                if args.script and line_no == 0 and line.startswith('#!'):
                    continue
                print shell.get_in_prompt(continued=total_input != '') + line,
                total_input += ' ' + line
                if line != "" and wait_for_line(total_input):
                    continue
                shell.evaluate(total_input)
                total_input = ""
            except (KeyboardInterrupt):
                print '\nKeyboardInterrupt'
            except (SystemExit, EOFError):
                print "\n\nGood bye!\n"
                break
        if not args.persist:
            return

    total_input = ""
    while True:
        try:
            line = shell.read_line(
                shell.get_in_prompt(continued=total_input != ''))
            line = line.decode(shell.input_encoding)
            total_input += line
            if line != "" and wait_for_line(total_input):
                continue
            shell.evaluate(total_input)
            total_input = ""
        except (KeyboardInterrupt):
            print '\nKeyboardInterrupt'
        except (SystemExit, EOFError):
            print "\n\nGood bye!\n"
            break
示例#36
0
    def __init__(self, **kwargs):
        super().__init__(**kwargs)

        self.definitions = Definitions(add_builtin=True)
        self.evaluation = Evaluation(self.definitions, format='xml')
示例#37
0
class MathicsKernel(Kernel):
    implementation = 'Mathics'
    implementation_version = '0.1'
    language_info = {
        'version': __version__,
        'name': 'Mathematica',
        'mimetype': 'text/x-mathematica',
    }
    banner = "Mathics kernel"   # TODO

    def __init__(self, **kwargs):
        Kernel.__init__(self, **kwargs)
        self.definitions = Definitions(add_builtin=True)        # TODO Cache
        self.definitions.set_ownvalue('$Line', Integer(0))  # Reset the line number
        self.establish_comm_manager()  # needed for ipywidgets and Manipulate[]

    def establish_comm_manager(self):
        self.comm_manager = CommManager(parent=self, kernel=self)
        comm_msg_types = ['comm_open', 'comm_msg', 'comm_close']
        for msg_type in comm_msg_types:
            self.shell_handlers[msg_type] = getattr(self.comm_manager, msg_type)

    def do_execute(self, code, silent, store_history=True, user_expressions=None,
                   allow_stdin=False):
        # TODO update user definitions

        response = {
            'payload': [],
            'user_expressions': {},
        }

        evaluation = Evaluation(self.definitions, result_callback=self.result_callback,
                                out_callback=self.out_callback, clear_output_callback=self.clear_output_callback,
                                display_data_callback=self.display_data_callback)
        try:
            results = evaluation.parse_evaluate(code, timeout=settings.TIMEOUT)
        except Exception as exc:
            # internal error
            response['status'] = 'error'
            response['ename'] = 'System:exception'
            response['traceback'] = traceback.format_exception(*sys.exc_info())
            results = []
        else:
            response['status'] = 'ok'
        response['execution_count'] = self.definitions.get_line_no()
        return response

    def out_callback(self, out):
        if out.is_message:
            content = {
                'name': 'stderr',
                'text': '{symbol}::{tag}: {text}\n'.format(**out.get_data()),
            }
        elif out.is_print:
            content = {
                'name': 'stdout',
                'text': out.text + '\n',
            }
        else:
            raise ValueError('Unknown out')
        self.send_response(self.iopub_socket, 'stream', content)

    def result_callback(self, result):
        content = {
            'execution_count': result.line_no,
            'data': result.data,
            'metadata': result.metadata,
        }
        self.send_response(self.iopub_socket, 'execute_result', content)

    def clear_output_callback(self, wait=False):
        # see http://jupyter-client.readthedocs.org/en/latest/messaging.html
        content = dict(wait=wait)
        self.send_response(self.iopub_socket, 'clear_output', content)

    def display_data_callback(self, result):
        # see http://jupyter-client.readthedocs.org/en/latest/messaging.html
        content = {
            'data': result.data,
            'metadata': result.metadata,
        }
        self.send_response(self.iopub_socket, 'display_data', content)

    def do_inspect(self, code, cursor_pos, detail_level=0):
        start_pos, end_pos, name = self.find_symbol_name(code, cursor_pos)

        if name is None:
            return {'status': 'error'}

        if '`' not in name:
            name = 'System`' + name

        try:
            instance = builtins[name]
        except KeyError:
            return {'status': 'ok', 'found': False, 'data': {}, 'metadata': {}}

        doc = Doc(instance.__doc__ or '')
        data = {
            'text/plain': str(doc),
            # TODO latex
            # TODO html
        }
        return {'status': 'ok', 'found': True, 'data': data, 'metadata': {}}

    def do_complete(self, code, cursor_pos):
        start_pos, end_pos, name = self.find_symbol_name(code, cursor_pos)

        if name is None:
            return {'status': 'error'}

        remove_system = False
        system_prefix = 'System`'
        if '`' not in name:
            name = system_prefix + name
            remove_system = True

        matches = []
        for key in builtins:
            if key.startswith(name):
                matches.append(key)

        if remove_system:
            matches = [match[len(system_prefix):] for match in matches]

        return {
            'status': 'ok',
            'matches': matches,
            'cursor_start': start_pos,
            'cursor_end': end_pos,
            'metadata': {},
        }

    def do_is_complete(self, code):
        try:
            # list forces generator evaluation (parse all lines)
            list(parse_lines(code, self.definitions))
        except IncompleteSyntaxError:
            return {'status': 'incomplete', 'indent': ''}
        except TranslateError:
            return {'status': 'invalid'}
        else:
            return {'status': 'complete'}

    @staticmethod
    def find_symbol_name(code, cursor_pos):
        '''
        Given a string of code tokenize it until cursor_pos and return the final symbol name.
        returns None if no symbol is found at cursor_pos.

        >>> MathicsKernel.find_symbol_name('1 + Sin', 6)
        'System`Sin'

        >>> MathicsKernel.find_symbol_name('1 + ` Sin[Cos[2]] + x', 8)
        'System`Sin'

        >>> MathicsKernel.find_symbol_name('Sin `', 4)
        '''

        scanner = MathicsScanner()
        scanner.build()
        scanner.lexer.input(code)

        start_pos = None
        end_pos = None
        name = None
        while True:
            try:
                token = scanner.lexer.token()
            except ScanError:
                scanner.lexer.skip(1)
                continue
            if token is None:
                break   # ran out of tokens
            # find first token which contains cursor_pos
            if scanner.lexer.lexpos >= cursor_pos:
                if token.type == 'symbol':
                    name = token.value
                    start_pos = token.lexpos
                    end_pos = scanner.lexer.lexpos
                break
        return start_pos, end_pos, name
示例#38
0
def main():
    argparser = argparse.ArgumentParser(
        prog='mathics',
        usage='%(prog)s [options] [FILE]',
        add_help=False,
        description="Mathics is a general-purpose computer algebra system.",
        epilog="""Please feel encouraged to contribute to Mathics! Create
            your own fork, make the desired changes, commit, and make a pull 
            request.""")

    argparser.add_argument('FILE',
                           nargs='?',
                           type=argparse.FileType('r'),
                           help='execute commands from FILE')

    argparser.add_argument('--help',
                           '-h',
                           help='show this help message and exit',
                           action='help')
    argparser.add_argument(
        '--persist',
        help='go to interactive shell after evaluating FILE',
        action='store_true')
    argparser.add_argument('--quiet',
                           '-q',
                           help='don\'t print message at startup',
                           action='store_true')
    argparser.add_argument('-script',
                           help='run a mathics file in script mode',
                           action='store_true')
    argparser.add_argument('--version',
                           '-v',
                           action='version',
                           version=get_version_string(False))

    args = argparser.parse_args()

    quit_command = 'CTRL-BREAK' if sys.platform == 'win32' else 'CONTROL-D'

    if not (args.quiet or args.script):
        print_version(is_server=False)
        print_license()
        print u"Quit by pressing %s" % quit_command

        print ''

    definitions = Definitions(add_builtin=True)

    trailing_ops = ['+', '-', '/', '*']  # TODO all binary operators?

    if args.FILE is not None:
        total_input = ""
        for line in args.FILE:

            if args.script and line.startswith('#!'):
                continue

            if total_input == "":
                print '>> ', line,
            else:
                print '       ', line,

            total_input += line

            if line == "":
                pass
            elif any(line.rstrip().endswith(op) for op in
                     trailing_ops) or not brackets_balanced(total_input):
                continue

            evaluation = Evaluation(total_input,
                                    definitions,
                                    timeout=30,
                                    out_callback=out_callback)
            for result in evaluation.results:
                if result.result is not None:
                    print ' = %s' % to_output(unicode(result.result))
            total_input = ""
        if not args.persist:
            return

    while True:
        try:
            total_input = ""
            line_input = raw_input('>> ')
            while line_input != "":
                total_input += ' ' + line_input
                if any(
                    [line_input.rstrip().endswith(op) for op in trailing_ops]):
                    pass
                elif brackets_balanced(total_input):
                    break
                line_input = raw_input('       ')

            evaluation = Evaluation(total_input,
                                    definitions,
                                    timeout=30,
                                    out_callback=out_callback)

            for result in evaluation.results:
                if result.result is not None:
                    print ' = %s' % to_output(unicode(result.result))
        except (KeyboardInterrupt):
            print '\nKeyboardInterrupt'
        except (SystemExit, EOFError):
            print "\n\nGood bye!\n"
            break
示例#39
0
 def __init__(self, **kwargs):
     Kernel.__init__(self, **kwargs)
     self.definitions = Definitions(add_builtin=True)        # TODO Cache
     self.definitions.set_ownvalue('$Line', Integer(0))  # Reset the line number
     self.establish_comm_manager()  # needed for ipywidgets and Manipulate[]