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How to use with_value method in hypothesis

Best Python code snippet using hypothesis

option.py

Source:option.py

1#2# Copyright (c) 2006-2013, Prometheus Research, LLC3#4"""5:mod:`htsql.ctl.option`6=======================7This module defines script options.8"""9from ..core.util import maybe10from ..core.validator import Validator, StrVal, UIntVal, ExtensionVal11import re12class Option:13    """14    Describes a script option.15    `attribute` (a string)16        The name of the routine attribute.  When the routine is17        initialized, the value of the option is assigned to the18        attribute.19    `short_name` (a string or ``None``)20        The abbrebiated form of the option (a dash + a character).21    `long_name` (a string or ``None``)22        The full form of the option (two dashes + the option name).23    `with_value` (Boolean)24        If set, the option requires a parameter.25    `value_name` (a string or ``None``)26        The name of the option parameter.27    `validator` (:class:`htsql.validator.Validator` or ``None``)28        The validator for the option parameter.29    `default`30        The default value of the parameter; ``None`` if not set.31    `is_list` (Boolean)32        If set, the option could be specified more than one time.33        The combined values are stored as a list; the default34        value for a list option is ``[]``.35    `hint` (a string or ``None``)36        A one-line description of the option.37    When an option does not require a parameter, the value of the38    option is either ``False`` or ``True``.  If the option is39    provided in the command line, the value is ``True``; otherwise,40    the value is ``False``.41    When an option requires a parameter, the value of the option42    is determined by the parameter and the attributes `validator`43    and `default`.  If the option is not provided, its value is44    equal to `default`.  If the option is provided, its value is45    the value of the option parameter normalized by application46    of `validator`.47    """48    def __init__(self, attribute,49                 short_name=None, long_name=None,50                 with_value=False, value_name=None,51                 validator=None, default=None,52                 is_list=False, hint=None):53        # Sanity check on the arguments.54        assert isinstance(attribute, str)55        assert re.match(r'^[a-zA-Z_][0-9a-zA-Z_]*$', attribute)56        assert isinstance(short_name, maybe(str))57        if short_name is not None:58            assert re.match(r'^-[0-9a-zA-Z]$', short_name)59        assert isinstance(long_name, maybe(str))60        if long_name is not None:61            assert re.match(r'^--[0-9a-zA-Z][0-9a-zA-Z-]+$', long_name)62        assert short_name is not None or long_name is not None63        assert isinstance(with_value, bool)64        assert isinstance(value_name, maybe(str))65        assert isinstance(validator, maybe(Validator))66        if with_value:67            assert validator is not None68        else:69            assert value_name is None70            assert validator is None71            assert default is None72        assert isinstance(is_list, bool)73        if is_list:74            assert default is None75        assert isinstance(hint, maybe(str))76        self.attribute = attribute77        self.short_name = short_name78        self.long_name = long_name79        self.with_value = with_value80        self.value_name = value_name81        self.validator = validator82        self.default = default83        self.is_list = is_list84        self.hint = hint85    def get_hint(self):86        """87        Returns a short one-line description of the option.88        """89        return self.hint90    def get_signature(self):91        """92        Returns the signature of the option parameters.93        """94        # The option signature has one of the forms:95        #   {short_name} {PARAMETER}96        #   {long_name} {PARAMETER}97        # or 98        #   {short_name} [{long_name}] {PARAMETER}99        # A trailing `[+]` is added for repeatable options.100        if self.short_name is not None:101            signature = self.short_name102            if self.long_name is not None:103                signature = "%s [%s]" % (signature, self.long_name)104        else:105            signature = self.long_name106        if self.with_value:107            if self.value_name is not None:108                parameter = self.value_name109            else:110                parameter = self.attribute111            parameter = parameter.replace('_', '-').upper()112            signature = "%s %s" % (signature, parameter)113        if self.is_list:114            signature = "%s [+]" % signature115        return signature116#117# Options used by ``htsql-ctl``.118#119HelpOption = Option(120        attribute='help',121        long_name='--help',122        hint="""describe the usage of the application""")123VersionOption = Option(124        attribute='version',125        long_name='--version',126        hint="""report the version of the application""")127QuietOption = Option(128        attribute='quiet',129        short_name='-q',130        long_name='--quiet',131        hint="""display as little as possible""")132VerboseOption = Option(133        attribute='verbose',134        short_name='-v',135        long_name='--verbose',136        hint="""display more information""")137DebugOption = Option(138        attribute='debug',139        long_name='--debug',140        hint="""enable debug logging""")141ForceOption = Option(142        attribute='force',143        long_name='--force',144        hint="""force execution of the routine""")145DryRunOption = Option(146        attribute='dry_run',147        long_name='--dry-run',148        hint="""simulate execution of the routine""")149HostOption = Option(150        attribute='host',151        long_name='--host',152        with_value=True,153        validator=StrVal(),154        default='',155        hint="""host to listen for incoming connections""")156PortOption = Option(157        attribute='port',158        long_name='--port',159        with_value=True,160        validator=UIntVal(65535),161        default=8080,162        hint="""port to listen for incoming connections""")163InputOption = Option(164        attribute='input',165        short_name='-i',166        long_name='--input',167        with_value=True,168        value_name="file",169        validator=StrVal(),170        hint="""set input file to FILE""")171OutputOption = Option(172        attribute='output',173        short_name='-o',174        long_name='--output',175        with_value=True,176        value_name="file",177        validator=StrVal(),178        hint="""set output file to FILE""")179PasswordOption = Option(180        attribute='password',181        short_name='-p',182        long_name='--password',183        hint="""ask for the database password""")184ExtensionsOption = Option(185        attribute='extensions',186        short_name='-E',187        long_name='--extension',188        with_value=True,189        value_name="ext",190        validator=ExtensionVal(),191        is_list=True,192        hint="""include extra extensions""")193ConfigOption = Option(194        attribute='config',195        short_name='-C',196        long_name='--config',197        with_value=True,198        value_name="file",199        validator=StrVal(),200        hint="""read HTSQL configuration from FILE""")201TrainOption = Option(202        attribute='train',203        long_name='--train',204        hint="""train the test engine""")205PurgeOption = Option(206        attribute='purge',207        long_name='--purge',208        hint="""purge unused data""")209SlaveOption = Option(210        attribute='slave',211        long_name='--slave',212        hint="""run in the slave mode""")213RemoteUserOption = Option(214        attribute='remote_user',215        long_name='--remote-user',216        with_value=True,217        value_name="user",218        validator=StrVal(),219        hint="""set the remote user to USER""")220WithHeadersOption = Option(221        attribute='with_headers',222        long_name='--with-headers',223        hint="""display HTTP status line and headers""")224ContentTypeOption = Option(225        attribute='content_type',226        long_name='--content-type',227        with_value=True,228        value_name='type',229        validator=StrVal(r"^[0-9a-z-]+/[0-9a-z-]+$"),...

test_publication_i18n.py

Source:test_publication_i18n.py

...9@with_fixtures(10    "./eruditarticle/tests/fixtures/publication/volume_numbering", EruditPublication11)12class TestPublicationVolumeNumberingEnglish(object):13    @with_value("cd02305.xml", "get_volume_numbering", formatted=True)14    def test_can_format_volume_and_number_in_en(self, value):15        assert value == "Volume 56, Number 3-4, SeptemberâDecember 2015"16    @with_value("annuaire3703.xml", "get_volume_numbering", formatted=True)17    def test_can_format_volume_numbering_horsserie_year_in_en(self, value):18        assert value == "Special Issue, 2001"19    @with_value("haf2442.xml", "get_volume_numbering", formatted=True)20    def test_can_format_volume_numbering_in_case_of_index_in_en(self, value):21        assert value == "Index, 1997"22    @with_value("sequences1128840.xml", "get_volume_numbering", formatted=True)23    def test_can_format_volume_numbering_no_volume_multiple_months_in_en(self, value):24        assert value == "Number 211, JanuaryâFebruary 2001"25    @with_value("sequences1081634.xml", "get_volume_numbering", formatted=True)26    def test_can_format_volume_numbering_in_case_of_index_with_number_in_en(27        self, value28    ):29        assert value == "Number 125, Index, 1986"30    @with_value("inter1068986.xml", "get_volume_numbering", formatted=True)31    def test_can_format_volume_numbering_in_case_of_supplement_in_en(self, value):32        assert value == "Number 110, Supplement, Winter 2012"33    @with_value("ehr1825418.xml", "get_volume_numbering", formatted=True)34    def test_can_format_volume_publication_period_in_en(self, value):35        assert value == "Volume 73, 2007"36    @with_value("crs1517600.xml", "get_volume_numbering", formatted=True)37    def test_can_format_volume_numbering_in_case_of_horsserie_in_en(self, value):38        assert value == "Special Issue, 2003"39    @with_value("va1503694.xml", "get_volume_numbering", formatted=True)40    def test_can_format_volume_number_numbertype_in_en(self, value):41        assert value == "Volume 52, Number 214, Supplement, Spring 2009"42    @with_value("as2866.xml", "get_volume_numbering", formatted=True)43    def test_can_format_volume_numbering_horsserie_no_number_in_en(self, value):...

min_variance.py

Source:min_variance.py

1import numpy as np2import pandas as pd3import pandas.io.data as web4def create_portfolio(tickers, weights=None):5    if (weights is None):6        shares = np.ones(len(tickers))/len(tickers)7    portfolio = pd.DataFrame({'Tickers':tickers, 'Weights':weights},8                               index=tickers)9    return portfolio10def calculate_weighted_portfolio_value(portfolio,returns,name='Value'):11    total_weights=portfolio.Weights.sum()12    weighted_returns = returns *(portfolio.Weights / total_weights)13    return pd.DataFrame({name: weighted_returns.sum(axis=1)})14def plot_portfolio_returns(returns,title=None):15    returns.plot(figsize=(12,8))16    plt.xlabel('Year')17    plt.ylabel('Returns')18    if (title is not None): plt.title(title)19    plt.show()20def get_historical_closes(ticker,start_date,end_date):21    p = web.DataReader(ticker,"yahoo",start_date,end_date)22    d = p.to_frame()['Adj Close'].reset_index()23    d.rename(columns={'minor': 'Ticker', 'Adj Close': 'Close'}, inplace=True)24    pivoted=d.pivot(index='Date',columns='Ticker')25    pivoted.columns = pivoted.columns.droplevel(0)26    return pivoted27def calc_daily_returns(closes):28    return np.log(closes/closes.shift(1))29def minvar(prices):30    cov=np.cov((prices[1:]/prices[:-1]-1).transpose())31    vu=np.array(cov.shape[1]*[1], float)32    num=np.dot(np.linalg.inv(cov),vu)33    den=np.dot(vu,num)34    return num/den35########### Enter in whatever stock you want36stocks=['SPY','TLT','EEM','GLD','MDY','VNQ','LQD']37closes = get_historical_closes(stocks,'2005-01-01','2015-09-30')38daily_returns = calc_daily_returns(closes)39weights = minvar(closes.values)40portfolio = create_portfolio(stocks,weights)41wr = calculate_weighted_portfolio_value(portfolio, daily_returns,name='Optimizor')42with_value = pd.concat([daily_returns, wr],axis=1)43with_value.cumsum().plot()44weights45df=with_value46df['6040']=with_value.SPY*.6+with_value.TLT*.447df.cumsum().plot()48sns.corrplot(df)49########### Now min var after 3 years of data50weights = minvar(closes[:dt(2009,1,1)].values)51portfolio = create_portfolio(stocks,weights)52wr = calculate_weighted_portfolio_value(portfolio, daily_returns)53with_value = pd.concat([daily_returns, wr],axis=1)54with_value.cumsum().plot()55weights56df=with_value57df['6040']=with_value.SPY*.6+with_value.TLT*.4...

generate_patterns.py

Source:generate_patterns.py

1HASH_CHARS = '!@ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'2NUM_COLORS = 73def with_value(value=0.0, *, num_colors=7):4    return [[value for x in range(num_colors + 1)] for y in range(num_colors)]5def encode(m):6    def encode_row(row):7        return ''.join(HASH_CHARS[int((x + 0.25) * len(HASH_CHARS))] for x in row)8    return ''.join(encode_row(r) for r in m)9def likes_self(num_colors=NUM_COLORS):10    m = with_value(-0.1, num_colors=num_colors)11    for x in range(num_colors):12        m[x][0] = 0.213        m[x][x + 1] = 0.7414    return m15def red_kernels(num_colors=NUM_COLORS):16    m = with_value(-0.1, num_colors=num_colors)17    for x in range(num_colors):18        m[x][0] = 019        if x > 0:20            m[x][1] = 0.7421    return m22def neighbors(num_colors=NUM_COLORS):23    m = with_value(-0.1)24    for x in range(num_colors):25        m[x][0] = 026        m[x][x + 1] = -0.2527        x1 = 1 + (x + 1) % num_colors28        m[x][x1] = 0.529    return m30def middle(num_colors=NUM_COLORS):31    m = with_value(0.2)32    for x in range(num_colors):33        m[x][0] = -0.2534        m[x][x + 1] = 0.535    return m36def popular(num_colors=NUM_COLORS):37    m = with_value(0)38    for x in range(num_colors):39        m[x][0] = -0.140        f = x / (num_colors * 2)41        for y in range(num_colors):42            m[x][y + 1] = f43            if x == y:44                m[x][y + 1] += 0.245    return m46def circle(num_colors=3):47    m = with_value(-0.2, num_colors=num_colors)48    for x in range(num_colors):49        y = (x + 1) % num_colors50        m[x][0] = 0.151        m[x][y + 1] = 0.7452    return m53def no_love(num_colors=3):54    m = with_value(-0.2, num_colors=num_colors)55    for x in range(num_colors):56        m[x][0] = 0.057    return m58for fn, params in [59        (likes_self, 2),60        (likes_self, 5),61        (red_kernels, 5),62        (neighbors, None),63        (middle, None),64        (popular, None),65        (no_love, 5),66        (circle, 3),67        (circle, 4),68        (circle, 5)]:...

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