Exemple #1
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    def extend(self, records):
        """
        JUST SO WE MODEL A Queue
        """
        records = {v["id"]: v["value"] for v in records}

        unwrap(self.data).update(records)

        data_as_json = convert.value2json(self.data, pretty=True)

        File(self.filename).write(data_as_json)
        Log.note("{{num}} documents added",  num= len(records))
Exemple #2
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        def post(sql):
            # FIND OUT THE default DOMAIN SIZES
            result = self.db.column_query(sql)
            num_edges = len(edges)
            for e, edge in enumerate(edges):
                domain = edge.domain
                if domain.type == "default":
                    domain.type = "set"
                    parts = set(result[e])
                    domain.partitions = [{"index": i, "value": p} for i, p in enumerate(parts)]
                    domain.map = {p: i for i, p in enumerate(parts)}
                else:
                    Log.error("Do not know what to do here, yet")

            # FILL THE DATA CUBE
            maps = [(unwrap(e.domain.map), result[i]) for i, e in enumerate(edges)]
            cubes = FlatList()
            for c, s in enumerate(select):
                data = Matrix(*[len(e.domain.partitions) + (1 if e.allow_nulls else 0) for e in edges])
                for rownum, value in enumerate(result[c + num_edges]):
                    coord = [m[r[rownum]] for m, r in maps]
                    data[coord] = value
                cubes.append(data)

            if isinstance(query.select, list):
                return cubes
            else:
                return cubes[0]
Exemple #3
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def tuple(data, field_name):
    """
    RETURN LIST  OF TUPLES
    """
    if isinstance(data, Cube):
        Log.error("not supported yet")

    if isinstance(data, FlatList):
        Log.error("not supported yet")

    if isinstance(field_name, Mapping) and "value" in field_name:
        # SIMPLIFY {"value":value} AS STRING
        field_name = field_name["value"]

    # SIMPLE PYTHON ITERABLE ASSUMED
    if isinstance(field_name, basestring):
        if len(split_field(field_name)) == 1:
            return [(d[field_name], ) for d in data]
        else:
            path = split_field(field_name)
            output = []
            flat_list._tuple1(data, path, 0, output)
            return output
    elif isinstance(field_name, list):
        paths = [_select_a_field(f) for f in field_name]
        output = FL()
        _tuple((), unwrap(data), paths, 0, output)
        return output
    else:
        paths = [_select_a_field(field_name)]
        output = FL()
        _tuple((), data, paths, 0, output)
        return output
Exemple #4
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def dict2Multiset(dic):
    if dic == None:
        return None

    output = Multiset()
    output.dic = unwrap(dic).copy()
    return output
Exemple #5
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    def error(
        cls,
        template,  # human readable template
        default_params={},  # parameters for template
        cause=None,  # pausible cause
        stack_depth=0,
        **more_params
    ):
        """
        raise an exception with a trace for the cause too

        :param template: *string* human readable string with placeholders for parameters
        :param default_params: *dict* parameters to fill in template
        :param cause: *Exception* for chaining
        :param stack_depth:  *int* how many calls you want popped off the stack to report the *true* caller
        :param log_context: *dict* extra key:value pairs for your convenience
        :param more_params: *any more parameters (which will overwrite default_params)
        :return:
        """
        if default_params and isinstance(listwrap(default_params)[0], BaseException):
            cause = default_params
            default_params = {}

        params = dict(unwrap(default_params), **more_params)

        add_to_trace = False
        cause = wrap(unwraplist([Except.wrap(c, stack_depth=1) for c in listwrap(cause)]))
        trace = exceptions.extract_stack(stack_depth + 1)

        if add_to_trace:
            cause[0].trace.extend(trace[1:])

        e = Except(exceptions.ERROR, template, params, cause, trace)
        raise e
Exemple #6
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    def warning(
        cls,
        template,
        default_params={},
        cause=None,
        stack_depth=0,
        log_context=None,
        **more_params
    ):
        """
        :param template: *string* human readable string with placeholders for parameters
        :param default_params: *dict* parameters to fill in template
        :param cause: *Exception* for chaining
        :param stack_depth:  *int* how many calls you want popped off the stack to report the *true* caller
        :param log_context: *dict* extra key:value pairs for your convenience
        :param more_params: *any more parameters (which will overwrite default_params)
        :return:
        """
        if isinstance(default_params, BaseException):
            cause = default_params
            default_params = {}

        if "values" in more_params.keys():
            Log.error("Can not handle a logging parameter by name `values`")
        params = dict(unwrap(default_params), **more_params)
        cause = unwraplist([Except.wrap(c) for c in listwrap(cause)])
        trace = exceptions.extract_stack(stack_depth + 1)

        e = Except(exceptions.WARNING, template, params, cause, trace)
        Log.note(
            "{{error|unicode}}",
            error=e,
            log_context=set_default({"context": exceptions.WARNING}, log_context),
            stack_depth=stack_depth + 1
        )
Exemple #7
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    def unexpected(
        cls,
        template,
        default_params={},
        cause=None,
        stack_depth=0,
        log_context=None,
        **more_params
    ):
        """
        :param template: *string* human readable string with placeholders for parameters
        :param default_params: *dict* parameters to fill in template
        :param cause: *Exception* for chaining
        :param stack_depth:  *int* how many calls you want popped off the stack to report the *true* caller
        :param log_context: *dict* extra key:value pairs for your convenience
        :param more_params: *any more parameters (which will overwrite default_params)
        :return:
        """
        if isinstance(default_params, BaseException):
            cause = default_params
            default_params = {}

        params = dict(unwrap(default_params), **more_params)

        if cause and not isinstance(cause, Except):
            cause = Except(exceptions.UNEXPECTED, unicode(cause), trace=exceptions._extract_traceback(0))

        trace = exceptions.extract_stack(1)
        e = Except(exceptions.UNEXPECTED, template, params, cause, trace)
        Log.note(
            "{{error}}",
            error=e,
            log_context=set_default({"context": exceptions.WARNING}, log_context),
            stack_depth=stack_depth + 1
        )
Exemple #8
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 def call(self, proc_name, params):
     self._execute_backlog()
     params = [unwrap(v) for v in params]
     try:
         self.cursor.callproc(proc_name, params)
         self.cursor.close()
         self.cursor = self.db.cursor()
     except Exception, e:
         Log.error("Problem calling procedure " + proc_name, e)
Exemple #9
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    def default(self, obj):
        if obj == None:
            return None
        elif isinstance(obj, set):
            return list(obj)
        elif isinstance(obj, Decimal):
            return float(obj)

        return json.JSONEncoder.default(self, unwrap(obj))
Exemple #10
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def es_fieldop(es, query):
    FromES = es09.util.build_es_query(query)
    select = listwrap(query.select)
    FromES.query = {
        "filtered": {
            "query": {
                "match_all": {}
            },
            "filter": simplify_esfilter(jx_expression(query.where).to_esfilter())
        }
    }
    FromES.size = coalesce(query.limit, 200000)
    FromES.fields = FlatList()
    for s in select.value:
        if s == "*":
            FromES.fields = None
        elif isinstance(s, list):
            FromES.fields.extend(s)
        elif isinstance(s, Mapping):
            FromES.fields.extend(s.values())
        else:
            FromES.fields.append(s)
    FromES.sort = [{s.field: "asc" if s.sort >= 0 else "desc"} for s in query.sort]

    data = es09.util.post(es, FromES, query.limit)

    T = data.hits.hits
    matricies = {}
    for s in select:
        if s.value == "*":
            matricies[s.name] = Matrix.wrap([t._source for t in T])
        elif isinstance(s.value, Mapping):
            # for k, v in s.value.items():
            #     matricies[join_field(split_field(s.name)+[k])] = Matrix.wrap([unwrap(t.fields)[v] for t in T])
            matricies[s.name] = Matrix.wrap([{k: unwrap(t.fields).get(v, None) for k, v in s.value.items()}for t in T])
        elif isinstance(s.value, list):
            matricies[s.name] = Matrix.wrap([tuple(unwrap(t.fields).get(ss, None) for ss in s.value) for t in T])
        elif not s.value:
            matricies[s.name] = Matrix.wrap([unwrap(t.fields).get(s.value, None) for t in T])
        else:
            try:
                matricies[s.name] = Matrix.wrap([unwrap(t.fields).get(s.value, None) for t in T])
            except Exception, e:
                Log.error("", e)
Exemple #11
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def _replace_ref(node, url):
    if url.path.endswith("/"):
        url.path = url.path[:-1]

    if isinstance(node, Mapping):
        ref = None
        output = {}
        for k, v in node.items():
            if k == "$ref":
                ref = URL(v)
            else:
                output[k] = _replace_ref(v, url)

        if not ref:
            return output

        node = output

        if not ref.scheme and not ref.path:
            # DO NOT TOUCH LOCAL REF YET
            output["$ref"] = ref
            return output

        if not ref.scheme:
            # SCHEME RELATIVE IMPLIES SAME PROTOCOL AS LAST TIME, WHICH
            # REQUIRES THE CURRENT DOCUMENT'S SCHEME
            ref.scheme = url.scheme

        # FIND THE SCHEME AND LOAD IT
        if ref.scheme in scheme_loaders:
            new_value = scheme_loaders[ref.scheme](ref, url)
        else:
            raise _Log.error("unknown protocol {{scheme}}", scheme=ref.scheme)

        if ref.fragment:
            new_value = pyDots.get_attr(new_value, ref.fragment)

        if DEBUG:
            _Log.note("Replace {{ref}} with {{new_value}}", ref=ref, new_value=new_value)

        if not output:
            output = new_value
        else:
            output = unwrap(set_default(output, new_value))

        if DEBUG:
            _Log.note("Return {{output}}", output=output)

        return output
    elif isinstance(node, list):
        output = [_replace_ref(n, url) for n in node]
        # if all(p[0] is p[1] for p in zip(output, node)):
        #     return node
        return output

    return node
Exemple #12
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def reverse(vals):
    # TODO: Test how to do this fastest
    l = len(vals)
    output = [None] * l

    for v in unwrap(vals):
        l -= 1
        output[l] = v

    return wrap(output)
Exemple #13
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def argparse(defs):
    parser = _argparse.ArgumentParser()
    for d in listwrap(defs):
        args = d.copy()
        name = args.name
        args.name = None
        parser.add_argument(*unwrap(listwrap(name)), **args)
    namespace = parser.parse_args()
    output = {k: getattr(namespace, k) for k in vars(namespace)}
    return wrap(output)
Exemple #14
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 def __init__(self, name, data, schema=None):
     #TODO: STORE THIS LIKE A CUBE FOR FASTER ACCESS AND TRANSFORMATION
     data = list(unwrap(data))
     Container.__init__(self, data, schema)
     if schema == None:
         self._schema = get_schema_from_list(data)
     else:
         self._schema = schema
     self.name = name
     self.data = data
     self.locker = Lock()  # JUST IN CASE YOU WANT TO DO MORE THAN ONE THING
Exemple #15
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def select(data, field_name):
    """
    return list with values from field_name
    """
    if isinstance(data, Cube):
        return data._select(_normalize_selects(field_name))

    if isinstance(data, FL):
        return data.select(field_name)

    if isinstance(data, UniqueIndex):
        data = data._data.values()  # THE SELECT ROUTINE REQUIRES dicts, NOT Data WHILE ITERATING

    if isinstance(data, Mapping):
        return select_one(data, field_name)

    if isinstance(field_name, Mapping):
        field_name = wrap(field_name)
        if field_name.value in ["*", "."]:
            return data

        if field_name.value:
            # SIMPLIFY {"value":value} AS STRING
            field_name = field_name.value

    # SIMPLE PYTHON ITERABLE ASSUMED
    if isinstance(field_name, basestring):
        path = split_field(field_name)
        if len(path) == 1:
            return FL([d[field_name] for d in data])
        else:
            output = FL()
            flat_list._select1(data, path, 0, output)
            return output
    elif isinstance(field_name, list):
        keys = [_select_a_field(wrap(f)) for f in field_name]
        return _select(Data(), unwrap(data), keys, 0)
    else:
        keys = [_select_a_field(field_name)]
        return _select(Data(), unwrap(data), keys, 0)
Exemple #16
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def filter(data, where):
    """
    where  - a function that accepts (record, rownum, rows) and returns boolean
    """
    if len(data) == 0 or where == None or where == TRUE_FILTER:
        return data

    if isinstance(data, Container):
        return data.filter(where)

    if isinstance(data, (list, set)):
        temp = jx_expression_to_function(where)
        dd = wrap(data)
        return wrap([unwrap(d) for i, d in enumerate(data) if temp(wrap(d), i, dd)])
    else:
        Log.error("Do not know how to handle type {{type}}", type=data.__class__.__name__)

    try:
        return drill_filter(where, data)
    except Exception, _:
        # WOW!  THIS IS INEFFICIENT!
        return wrap([unwrap(d) for d in drill_filter(where, [DataObject(d) for d in data])])
Exemple #17
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    def _send_email(self):
        try:
            if self.accumulation:
                conn = connect_to_region(
                    self.settings.region,
                    aws_access_key_id=unwrap(self.settings.aws_access_key_id),
                    aws_secret_access_key=unwrap(self.settings.aws_secret_access_key),
                )

                conn.send_email(
                    source=self.settings.from_address,
                    to_addresses=listwrap(self.settings.to_address),
                    subject=self.settings.subject,
                    body="\n\n".join(self.accumulation),
                    format="text",
                )

                conn.close()
            self.next_send = Date.now() + WAIT_TO_SEND_MORE
            self.accumulation = []
        except Exception, e:
            self.next_send = Date.now() + WAIT_TO_SEND_MORE
            Log.warning("Could not send", e)
Exemple #18
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    def __init__(
        self,
        aws_access_key_id=None,  # CREDENTIAL
        aws_secret_access_key=None,  # CREDENTIAL
        region=None,  # NAME OF AWS REGION, REQUIRED FOR SOME BUCKETS
        settings=None
    ):
        self.settings = settings

        try:
            if not settings.region:
                self.connection = boto.connect_s3(
                    aws_access_key_id=unwrap(self.settings.aws_access_key_id),
                    aws_secret_access_key=unwrap(self.settings.aws_secret_access_key)
                )
            else:
                self.connection = boto.s3.connect_to_region(
                    self.settings.region,
                    aws_access_key_id=unwrap(self.settings.aws_access_key_id),
                    aws_secret_access_key=unwrap(self.settings.aws_secret_access_key)
                )
        except Exception, e:
            Log.error("Problem connecting to S3", e)
Exemple #19
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    def __init__(
        self,
        name,
        region,
        aws_access_key_id=None,
        aws_secret_access_key=None,
        debug=False,
        settings=None
    ):
        self.settings = settings
        self.pending = []

        if settings.region not in [r.name for r in sqs.regions()]:
            Log.error("Can not find region {{region}} in {{regions}}", region=settings.region, regions=[r.name for r in sqs.regions()])

        conn = sqs.connect_to_region(
            region_name=unwrap(settings.region),
            aws_access_key_id=unwrap(settings.aws_access_key_id),
            aws_secret_access_key=unwrap(settings.aws_secret_access_key),
        )
        self.queue = conn.get_queue(settings.name)
        if self.queue == None:
            Log.error("Can not find queue with name {{queue}} in region {{region}}", queue=settings.name, region=settings.region)
Exemple #20
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def sort(data, fieldnames=None, already_normalized=False):
    """
    PASS A FIELD NAME, OR LIST OF FIELD NAMES, OR LIST OF STRUCTS WITH {"field":field_name, "sort":direction}
    """
    try:
        if data == None:
            return Null

        if not fieldnames:
            return wrap(sorted(data, value_compare))

        if already_normalized:
            formal = fieldnames
        else:
            formal = query._normalize_sort(fieldnames)

        funcs = [(jx_expression_to_function(f.value), f.sort) for f in formal]

        def comparer(left, right):
            for func, sort_ in funcs:
                try:
                    result = value_compare(func(left), func(right), sort_)
                    if result != 0:
                        return result
                except Exception, e:
                    Log.error("problem with compare", e)
            return 0

        if isinstance(data, list):
            output = FL([unwrap(d) for d in sorted(data, cmp=comparer)])
        elif hasattr(data, "__iter__"):
            output = FL([unwrap(d) for d in sorted(list(data), cmp=comparer)])
        else:
            Log.error("Do not know how to handle")
            output = None

        return output
Exemple #21
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def es_aggop(es, mvel, query):
    select = listwrap(query.select)
    FromES = build_es_query(query)

    isSimple = AND(aggregates[s.aggregate] == "count" for s in select)
    if isSimple:
        return es_countop(es, query)  # SIMPLE, USE TERMS FACET INSTEAD


    value2facet = dict()  # ONLY ONE FACET NEEDED PER
    name2facet = dict()   # MAP name TO FACET WITH STATS

    for s in select:
        if s.value not in value2facet:
            if isinstance(s.value, Variable):
                unwrap(FromES.facets)[s.name] = {
                    "statistical": {
                        "field": s.value.var
                    },
                    "facet_filter": simplify_esfilter(query.where.to_esfilter())
                }
            else:
                unwrap(FromES.facets)[s.name] = {
                    "statistical": {
                        "script": jx_expression_to_function(s.value)
                    },
                    "facet_filter": simplify_esfilter(query.where)
                }
            value2facet[s.value] = s.name
        name2facet[s.name] = value2facet[s.value]

    data = es09.util.post(es, FromES, query.limit)

    matricies = {s.name: Matrix(value=fix_es_stats(data.facets[literal_field(s.name)])[aggregates[s.aggregate]]) for s in select}
    cube = Cube(query.select, [], matricies)
    cube.frum = query
    return cube
Exemple #22
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def format_cube(T, select, query=None):
    table = format_table(T, select, query)

    if len(table.data) == 0:
        return Cube(
            select,
            edges=[{"name": "rownum", "domain": {"type": "rownum", "min": 0, "max": 0, "interval": 1}}],
            data={h: Matrix(list=[]) for i, h in enumerate(table.header)}
        )

    cols = zip(*unwrap(table.data))
    return Cube(
        select,
        edges=[{"name": "rownum", "domain": {"type": "rownum", "min": 0, "max": len(table.data), "interval": 1}}],
        data={h: Matrix(list=cols[i]) for i, h in enumerate(table.header)}
    )
Exemple #23
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def _replace_locals(node, doc_path):
    if isinstance(node, Mapping):
        # RECURS, DEEP COPY
        ref = None
        output = {}
        for k, v in node.items():
            if k == "$ref":
                ref = v
            elif v == None:
                continue
            else:
                output[k] = _replace_locals(v, [v] + doc_path)

        if not ref:
            return output

        # REFER TO SELF
        frag = ref.fragment
        if frag[0] == ".":
            # RELATIVE
            for i, p in enumerate(frag):
                if p != ".":
                    if i>len(doc_path):
                        _Log.error("{{frag|quote}} reaches up past the root document",  frag=frag)
                    new_value = pyDots.get_attr(doc_path[i-1], frag[i::])
                    break
            else:
                new_value = doc_path[len(frag) - 1]
        else:
            # ABSOLUTE
            new_value = pyDots.get_attr(doc_path[-1], frag)

        new_value = _replace_locals(new_value, [new_value] + doc_path)

        if not output:
            return new_value  # OPTIMIZATION FOR CASE WHEN node IS {}
        else:
            return unwrap(set_default(output, new_value))

    elif isinstance(node, list):
        candidate = [_replace_locals(n, [n] + doc_path) for n in node]
        # if all(p[0] is p[1] for p in zip(candidate, node)):
        #     return node
        return candidate

    return node
Exemple #24
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    def note(
        cls,
        template,
        default_params={},
        stack_depth=0,
        log_context=None,
        **more_params
    ):
        """
        :param template: *string* human readable string with placeholders for parameters
        :param default_params: *dict* parameters to fill in template
        :param stack_depth:  *int* how many calls you want popped off the stack to report the *true* caller
        :param log_context: *dict* extra key:value pairs for your convenience
        :param more_params: *any more parameters (which will overwrite default_params)
        :return:
        """
        if len(template) > 10000:
            template = template[:10000]

        params = dict(unwrap(default_params), **more_params)

        log_params = set_default({
            "template": template,
            "params": params,
            "timestamp": datetime.utcnow(),
            "machine": machine_metadata
        }, log_context, {"context": exceptions.NOTE})

        if not template.startswith("\n") and template.find("\n") > -1:
            template = "\n" + template

        if cls.trace:
            log_template = "{{machine.name}} (pid{{machine.pid}}) - {{timestamp|datetime}} - {{thread.name}} - \"{{location.file}}:{{location.line}}\" ({{location.method}}) - " + template.replace("{{", "{{params.")
            f = sys._getframe(stack_depth + 1)
            log_params.location = {
                "line": f.f_lineno,
                "file": f.f_code.co_filename.split(os.sep)[-1],
                "method": f.f_code.co_name
            }
            thread = _Thread.current()
            log_params.thread = {"name": thread.name, "id": thread.id}
        else:
            log_template = "{{timestamp|datetime}} - " + template.replace("{{", "{{params.")

        cls.main_log.write(log_template, log_params)
Exemple #25
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    def fatal(
        cls,
        template,  # human readable template
        default_params={},  # parameters for template
        cause=None,  # pausible cause
        stack_depth=0,
        log_context=None,
        **more_params
    ):
        """
        SEND TO STDERR

        :param template: *string* human readable string with placeholders for parameters
        :param default_params: *dict* parameters to fill in template
        :param cause: *Exception* for chaining
        :param stack_depth:  *int* how many calls you want popped off the stack to report the *true* caller
        :param log_context: *dict* extra key:value pairs for your convenience
        :param more_params: *any more parameters (which will overwrite default_params)
        :return:
        """
        if default_params and isinstance(listwrap(default_params)[0], BaseException):
            cause = default_params
            default_params = {}

        params = dict(unwrap(default_params), **more_params)

        cause = unwraplist([Except.wrap(c) for c in listwrap(cause)])
        trace = exceptions.extract_stack(stack_depth + 1)

        e = Except(exceptions.ERROR, template, params, cause, trace)
        str_e = unicode(e)

        error_mode = cls.error_mode
        with suppress_exception:
            if not error_mode:
                cls.error_mode = True
                Log.note(
                    "{{error|unicode}}",
                    error=e,
                    log_context=set_default({"context": exceptions.FATAL}, log_context),
                    stack_depth=stack_depth + 1
                )
        cls.error_mode = error_mode

        sys.stderr.write(str_e.encode('utf8'))
Exemple #26
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    def add(self, val):
        val = datawrap(val)
        key = value2key(self._keys, val)
        if key == None:
            Log.error("Expecting key to be not None")

        d = self._data.get(key)
        if d is None:
            self._data[key] = unwrap(val)
            self.count += 1
        elif d is not val:
            if self.fail_on_dup:
                Log.error("{{new|json}} with key {{key|json}} already filled with {{old|json}}", key=key, new=val, old=self[val])
            elif DEBUG:
                Log.warning("key {{key|json}} already filled\nExisting\n{{existing|json|indent}}\nValue\n{{value|json|indent}}",
                    key=key,
                    existing=d,
                    value=val
                )
Exemple #27
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def test_json(results, description, method, n):
    output = []

    for case in cases:
        try:
            data, count = globals()[case]
            if "scrub" in description:
                #SCRUB BEFORE SENDING TO C ROUTINE (NOT FAIR, BUT WE GET TO SEE HOW FAST ENCODING GOES)
                data = unwrap(scrub(data))

            try:
                example = method(data)
                if case == "HUGE":
                    example = "<too big to show>"
            except Exception, e:
                Log.warning("json encoding failure", cause=e)
                example = "<CRASH>"

            t0 = time.time()
            try:
                for i in range(n):
                    for i in range(count):
                        output.append(method(data))
                duration = time.time() - t0
            except Exception:
                duration = time.time() - t0

            summary = {
                "description": description,
                "interpreter": platform.python_implementation(),
                "time": duration,
                "type": case,
                "num": n,
                "count": count,
                "length": len(output),
                "result": example
            }
            Log.note("{{interpreter}}: {{description}} {{type}} x {{num}} x {{count}} = {{time}} result={{result}}", **summary)
            results.append(summary)
        except Exception, e:
            Log.warning("problem with encoding: {{message}}", {"message": e.message}, e)
Exemple #28
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def drill_filter(esfilter, data):
    """
    PARTIAL EVALUATE THE FILTER BASED ON DATA GIVEN

    TODO:  FIX THIS MONUMENALLY BAD IDEA
    """
    esfilter = unwrap(esfilter)
    primary_nested = []  # track if nested, changes if not
    primary_column = []  # only one path allowed
    primary_branch = []  # CONTAINS LISTS OF RECORDS TO ITERATE: constantly changing as we dfs the tree

    def parse_field(fieldname, data, depth):
        """
        RETURN (first, rest) OF fieldname
        """
        col = split_field(fieldname)
        d = data
        for i, c in enumerate(col):
            try:
                d = d[c]
            except Exception, e:
                Log.error("{{name}} does not exist", name=fieldname)
            if isinstance(d, list) and len(col) > 1:
                if len(primary_column) <= depth+i:
                    primary_nested.append(True)
                    primary_column.append(c)
                    primary_branch.append(d)
                elif primary_nested[depth] and primary_column[depth+i] != c:
                    Log.error("only one branch of tree allowed")
                else:
                    primary_nested[depth+i] = True
                    primary_column[depth+i] = c
                    primary_branch[depth+i] = d

                return c, join_field(col[i+1:])
            else:
                if len(primary_column) <= depth+i:
                    primary_nested.append(False)
                    primary_column.append(c)
                    primary_branch.append([d])
        return fieldname, None
Exemple #29
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    assert settings["class"]

    # IMPORT MODULE FOR HANDLER
    path = settings["class"].split(".")
    class_name = path[-1]
    path = ".".join(path[:-1])
    constructor = None
    try:
        temp = __import__(path, globals(), locals(), [class_name], -1)
        constructor = object.__getattribute__(temp, class_name)
    except Exception, e:
        if settings.stream and not constructor:
            # PROVIDE A DEFAULT STREAM HANLDER
            constructor = TextLog_usingThreadedStream
        else:
            Log.error("Can not find class {{class}}",  {"class": path}, cause=e)

    # IF WE NEED A FILE, MAKE SURE DIRECTORY EXISTS
    if settings.filename:
        from pyLibrary.env.files import File

        f = File(settings.filename)
        if not f.parent.exists:
            f.parent.create()

    settings['class'] = None
    params = unwrap(settings)
    log_instance = constructor(**params)
    return log_instance

Exemple #30
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 def selector(d):
     output = Data()
     for n, p in push_and_pull:
         output[n] = p(wrap(d))
     return unwrap(output)