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How to use seed method in hypothesis

Best Python code snippet using hypothesis

ImportSeed.js

Source:ImportSeed.js

1import React, { Component } from 'react'2import styled from 'styled-components'3import { createObserver, collect } from 'dop'4import styles from '/const/styles'5import { minpassword, recovery_phrase_words } from '/const/'6import { bigNumber } from '/api/numbers'7import { Coins } from '/api/coins'8import { validateSeed } from '/api/bip39'9import { setHref, createAsset, setSeed, addNotification } from '/store/actions'10import state from '/store/state'11import {12    isAssetRegisteredBySeed,13    getAssetId,14    getParamsFromLocation,15} from '/store/getters'16import { routes, Show } from '/store/router'17import Input from '/components/styled/Input'18import Div from '/components/styled/Div'19import RadioButton from '/components/styled/RadioButton'20import Textarea from '/components/styled/Textarea'21import Password from '/components/styled/Password'22import Button from '/components/styled/Button'23import Help from '/components/styled/Help'24import Alert from '/components/styled/Alert'25import { Label, SubLabel } from '/components/styled/Label'26import {27    FormField,28    FormFieldLeft,29    FormFieldRight,30    FormFieldButtons,31} from '/components/styled/Form'32import {33    ItemsList,34    ItemList,35    ItemListInner,36    ItemListItemRadio,37    ItemListItemLeft,38    ItemListItemRight,39} from '/components/styled/ItemList'40const STEP = {41    typing: 'typing',42    addresses: 'addresses',43}44export default class ImportPrivate extends Component {45    componentWillMount() {46        const collector = collect()47        state.view.step = STEP.typing48        state.view.is_valid_input = false49        state.view.is_valid_seed = true50        state.view.seed_input = ''51        state.view.seed_input_error = ''52        state.view.seed_password = ''53        state.view.seed_repassword = ''54        state.view.discovering = false55        state.view.addresses = []56        state.view.address_selected = 057        collector.destroy()58        this.observer = createObserver((m) => this.forceUpdate())59        this.observer.observe(state.view)60        this.observer.observe(state.view.addresses, 'length')61        const { symbol } = getParamsFromLocation()62        this.Coin = Coins.hasOwnProperty(symbol) ? Coins[symbol] : Coins.ETH63        this.already_blur = false64        this.onChangeInput = this.onChangeInput.bind(this)65        this.onBlurInput = this.onBlurInput.bind(this)66        this.onChangePassword = this.onChangePassword.bind(this)67        this.onChangeRepassword = this.onChangeRepassword.bind(this)68        this.onNext = this.onNext.bind(this)69        this.onBack = this.onBack.bind(this)70        this.onChangeSelected = this.onChangeSelected.bind(this)71        this.onLoadMore = this.onLoadMore.bind(this)72        this.onSubmit = this.onSubmit.bind(this)73    }74    componentWillUnmount() {75        this.observer.destroy()76    }77    shouldComponentUpdate() {78        return false79    }80    onUpdateSeed() {81        const seed = state.view.seed_input82        if (seed.length > 0) {83            const collector = collect()84            // const { address } = this.Coin.getWalletFromSeed({85            //     seed: seed86            // })87            state.view.is_valid_seed = validateSeed(seed) //&&88            // seed.trim().split(/\s+/g).length === recovery_phrase_words89            if (isAssetRegisteredBySeed(this.Coin.symbol, seed)) {90                state.view.seed_input_error = 'You already have this asset'91                state.view.is_valid_input = false92            } else {93                state.view.seed_input_error = ''94                state.view.is_valid_input = true95            }96            collector.emit()97        }98    }99    onChangeInput(e) {100        const collector = collect()101        const value = e.target.value.trim().replace(/\s+/g, ' ')102        state.view.seed_input = value103        if (this.already_blur) this.onUpdateSeed()104        collector.emit()105    }106    onBlurInput(e) {107        if (!this.already_blur && state.view.seed_input.length > 0) {108            this.already_blur = true109            this.onUpdateSeed()110        }111    }112    onChangePassword(e) {113        state.view.seed_password = e.target.value114    }115    onChangeRepassword(e) {116        state.view.seed_repassword = e.target.value117    }118    onNext(e) {119        e.preventDefault()120        const seed = state.view.seed_input121        const collector = collect()122        state.view.step = STEP.addresses123        this.discoverWallet(seed)124        collector.emit()125    }126    discoverWallet(seed) {127        const collector = collect()128        const addresses = state.view.addresses129        state.view.discovering = true130        this.Coin.discoverWallet({ seed }, (wallet) => {131            // console.log(addresses === state.view.addresses)132            if (addresses === state.view.addresses) {133                state.view.addresses.push(wallet)134            }135        })136            .then((wallet) => {137                // console.log(wallet)138                if (addresses === state.view.addresses) {139                    this.wallet = wallet140                    this.wallet.seed = seed141                    state.view.discovering = false142                }143            })144            .catch((error) => {145                console.log(error)146            })147        collector.emit()148    }149    onLoadMore() {150        state.view.discovering = true151        this.Coin.discoverAddress(this.wallet).then((wallet) => {152            // console.log(wallet)153            const collector = collect()154            this.wallet.index += 1155            state.view.discovering = false156            console.log(1, wallet)157            state.view.addresses.push(wallet)158            collector.emit()159        })160    }161    onBack(e) {162        e.preventDefault()163        const collector = collect()164        state.view.addresses = []165        state.view.step = STEP.typing166        collector.emit()167    }168    onChangeSelected(index) {169        state.view.address_selected = index170    }171    onSubmit(e) {172        e.preventDefault()173        const collector = collect()174        const seed = state.view.seed_input175        const symbol = this.Coin.symbol176        const address = this.Coin.multiaddress177            ? this.wallet.address178            : state.view.addresses[state.view.address_selected].address179        const addresses = state.view.addresses.map((wallet) => wallet.address)180        const asset = createAsset(this.Coin.type, symbol, address, addresses)181        const asset_id = getAssetId(asset)182        setSeed(asset_id, seed, state.view.seed_password)183        setHref(routes.asset({ asset_id: asset_id }))184        addNotification(`New "${symbol}" asset has been imported`)185        collector.emit()186    }187    get isInvalidRepassword() {188        return (189            state.view.seed_password.length > 0 &&190            state.view.seed_repassword.length > 0 &&191            state.view.seed_password.length ===192                state.view.seed_repassword.length &&193            state.view.seed_password !== state.view.seed_repassword194        )195    }196    get isValidForm() {197        return (198            state.view.is_valid_input &&199            state.view.seed_input.length > 0 &&200            state.view.seed_password.length >= minpassword &&201            state.view.seed_password === state.view.seed_repassword202        )203    }204    render() {205        const addresses = state.view.addresses206        const total = addresses.reduce(207            (t, addr) => t.add(addr.balance),208            bigNumber(0)209        )210        return React.createElement(ImportPrivateTemplate, {211            Coin: this.Coin,212            step: state.view.step,213            seed_input: state.view.seed_input,214            seed_input_error: state.view.seed_input_error,215            seed_password: state.view.seed_password,216            seed_repassword: state.view.seed_repassword,217            discovering: state.view.discovering,218            addresses: state.view.addresses,219            address_selected: state.view.address_selected,220            total: total,221            is_valid_seed: state.view.is_valid_seed,222            isValidForm: this.isValidForm,223            isInvalidRepassword: this.isInvalidRepassword,224            onChangeInput: this.onChangeInput,225            onBlurInput: this.onBlurInput,226            onChangePassword: this.onChangePassword,227            onChangeRepassword: this.onChangeRepassword,228            onNext: this.onNext,229            onBack: this.onBack,230            onChangeSelected: this.onChangeSelected,231            onLoadMore: this.onLoadMore,232            onSubmit: this.onSubmit,233        })234    }235}236function ImportPrivateTemplate({237    Coin,238    step,239    seed_input,240    seed_input_error,241    seed_password,242    seed_repassword,243    discovering,244    addresses,245    address_selected,246    total,247    is_valid_seed,248    isValidForm,249    isInvalidRepassword,250    onChangeInput,251    onBlurInput,252    onChangePassword,253    onChangeRepassword,254    onNext,255    onBack,256    onChangeSelected,257    onLoadMore,258    onSubmit,259}) {260    return (261        <div>262            <Show if={step === STEP.typing}>263                <div>264                    <FormField>265                        <FormFieldLeft>266                            <Label>Recovery Phrase</Label>267                            <SubLabel>268                                Type your 12 words in the exact order.269                            </SubLabel>270                        </FormFieldLeft>271                        <FormFieldRight>272                            <Textarea273                                width="100%"274                                value={seed_input}275                                onChange={onChangeInput}276                                onBlur={onBlurInput}277                                error={seed_input_error}278                                invalid={279                                    seed_input_error && seed_input.length > 0280                                }281                            />282                            <Show if={!is_valid_seed && seed_input.length > 0}>283                                {/* <Div padding-top="10px"> */}284                                <Alert>285                                    You typed a non-standard or invalid Recovery286                                    Phrase. But coinfy allow you to import any287                                    other format that comes from other wallets.288                                    Including other languages.289                                </Alert>290                                {/* </Div> */}291                            </Show>292                        </FormFieldRight>293                    </FormField>294                    <FormField>295                        <FormFieldLeft>296                            <Label>Password</Label>297                            <Help>298                                Make sure that you remember this. This password299                                can't be restored because we don't store it. For300                                security reasons you will be asked often for301                                this password.302                            </Help>303                            <SubLabel>304                                This password encrypts your seed key.305                            </SubLabel>306                        </FormFieldLeft>307                        <FormFieldRight>308                            <Password309                                minlength={minpassword}310                                value={seed_password}311                                onChange={onChangePassword}312                                width="100%"313                                type="password"314                            />315                        </FormFieldRight>316                    </FormField>317                    <FormField>318                        <FormFieldLeft>319                            <Label>Repeat Password</Label>320                        </FormFieldLeft>321                        <FormFieldRight>322                            <Input323                                minlength={minpassword}324                                error={'Passwords do not match'}325                                invalid={isInvalidRepassword}326                                value={seed_repassword}327                                onChange={onChangeRepassword}328                                width="100%"329                                type="password"330                            />331                        </FormFieldRight>332                    </FormField>333                    <FormField>334                        <FormFieldButtons>335                            <Button336                                width="100px"337                                disabled={!isValidForm}338                                onClick={onNext}339                            >340                                Next341                            </Button>342                        </FormFieldButtons>343                    </FormField>344                </div>345            </Show>346            <Show if={step === STEP.addresses}>347                <div>348                    <ItemsList>349                        {addresses.map((addr, index) => {350                            const selected =351                                Coin.multiaddress ||352                                (!Coin.multiaddress &&353                                    index === address_selected)354                            return (355                                <ItemList selected={selected}>356                                    <ItemListInner>357                                        <Show if={!Coin.multiaddress}>358                                            <ItemListItemRadio>359                                                <RadioButton360                                                    onClick={(e) =>361                                                        onChangeSelected(index)362                                                    }363                                                    checked={selected}364                                                />365                                            </ItemListItemRadio>366                                        </Show>367                                        <ItemListItemLeft>368                                            {addr.address}369                                        </ItemListItemLeft>370                                        <ItemListItemRight371                                            error={addr.fetched !== true}372                                        >373                                            {`${addr.balance} ${Coin.symbol}`}374                                        </ItemListItemRight>375                                    </ItemListInner>376                                </ItemList>377                            )378                        })}379                    </ItemsList>380                    <ResultAddress>381                        <Show if={!discovering}>382                            <LoadMore onClick={onLoadMore}>383                                Load more Addresses384                            </LoadMore>385                        </Show>386                        <Total>387                            {total} {Coin.symbol}388                        </Total>389                    </ResultAddress>390                    <Div margin-top="35px">391                        <FormField>392                            <FormFieldButtons>393                                <Button394                                    width="100px"395                                    loading={discovering}396                                    loadingIco="/static/image/loading.gif"397                                    onClick={onSubmit}398                                >399                                    Import400                                </Button>401                            </FormFieldButtons>402                            <FormFieldButtons>403                                <Button width="100px" onClick={onBack}>404                                    Back405                                </Button>406                            </FormFieldButtons>407                        </FormField>408                    </Div>409                </div>410            </Show>411        </div>412    )413}414export const ResultAddress = styled.div`415    border-top: 2px solid ${styles.color.background1};416    padding: 12px;417    font-size: 16px;418`419export const LoadMore = styled.a`420    font-size: 13px;421    color: ${styles.color.background2};422    text-decoration: underline;423    cursor: pointer;424    display: block;425    float: left;426    &:hover {427        color: ${styles.color.background3};428    }429`430export const Total = styled.div`431    color: ${styles.color.background2};432    font-weight: 900;433    float: right;434    font-size: 16px;...

btc.js

Source:btc.js

1import test from 'tape'2import fetch from 'node-fetch'3import BigNumber from 'bignumber.js'4import {5    TYPE_COIN,6    MAINNET,7    TESTNET,8    ASSET_LOGO,9    LOCALSTORAGE_NETWORK10} from '/const/'11import {12    setupNetwork,13    networks,14    type,15    symbol,16    symbol_fee,17    name,18    color,19    ascii,20    coin_decimals,21    price_decimals,22    satoshis,23    multiaddress,24    changeaddress,25    labels,26    logo,27    derivation_path,28    format,29    cutDecimals,30    toSatoshis,31    getWalletFromSeed,32    getWalletsFromSeed,33    isAddress,34    isPrivateKey,35    formatAddress,36    getAddressFromPrivateKey,37    getSegwitAddressFromPrivateKey,38    urlInfo,39    urlInfoTx,40    urlDecodeTx,41    encryptSeed,42    decryptSeed,43    encryptPrivateKey,44    decryptPrivateKey,45    decryptPrivateKeyFromSeed,46    getNextWalletFromSeed,47    decryptWalletFromSeed,48    encryptBIP38,49    decryptBIP38,50    discoverAddress,51    discoverWallet,52    fetchBalance,53    fetchRecomendedFee,54    fetchTxs,55    createSimpleTx,56    getSendProviders57} from '/api/coins/BTC'58global.fetch = fetch59const seed =60    'civil void tool perfect avocado sweet immense fluid arrow aerobic boil flash'61const private_key = 'L5YsAenc5eCuDFhEcC9DNe8sw47ttEevfMieRWKjGK5cP6ZpvxyE'62const addresses = ['34QtpB4V3ETz2p3QuNEdEqTCYjTHHP2XMY']63test('setupNetwork', t => {64    t.equal(setupNetwork(MAINNET, networks), true, 'setupNetwork')65    t.end()66})67test('Exists / Types', t => {68    t.equal(typeof networks, 'object', 'networks')69    t.equal(typeof networks[MAINNET], 'object', 'networks 2')70    t.equal(typeof networks[MAINNET].url, 'string', 'networks 3')71    // t.equal(typeof networks[MAINNET].network, 'object', 'networks 4')72    t.equal(typeof setupNetwork, 'function', 'setupNetwork')73    t.equal(type, TYPE_COIN, 'type')74    t.equal(typeof symbol, 'string', 'symbol')75    t.equal(typeof symbol_fee, 'string', 'symbol_fee')76    t.equal(typeof name, 'string', 'name')77    t.equal(typeof color, 'string', 'color')78    t.equal(typeof color, 'string', 'color')79    t.equal(typeof ascii, 'string', 'ascii')80    t.equal(typeof coin_decimals, 'number', 'coin_decimals')81    t.equal(typeof price_decimals, 'number', 'price_decimals')82    t.equal(typeof satoshis, 'number', 'satoshis')83    t.equal(typeof multiaddress, 'boolean', 'multiaddress')84    t.equal(typeof changeaddress, 'boolean', 'changeaddress')85    t.equal(typeof labels, 'string', 'labels')86    t.equal(typeof logo, 'string', 'logo')87    t.equal(typeof derivation_path, 'object', 'derivation_path')88    t.equal(typeof derivation_path.mainnet, 'function', 'derivation_path 2')89    t.end()90})91test('Numbers', t => {92    t.equal(format(12), `12 ${symbol}`, 'format')93    t.equal(format(12.12345, 4), `12.1234 ${symbol}`, 'format 2')94    t.equal(cutDecimals(12.123456789), `12.12345678`, 'cutDecimals')95    t.end()96})97test('Wallets / Address / Accounts / PrivateKeys', t => {98    const wallet = getWalletFromSeed({ seed })99    const wallet2 = getWalletFromSeed({ seed, segwit: false })100    t.equal(isAddress(wallet.address), true, 'isAddress')101    t.equal(isPrivateKey(wallet.private_key), true, 'isPrivateKey')102    t.deepEqual(103        wallet,104        {105            address: '39hFXsmKPPNuKmMspjLvi5BT1n5XjbA4CT',106            private_key: 'L16cg8Azn34WH8BKGqAQsJ1c59UJDhCuLR3JZafUi1ASJEVZ96FH'107        },108        'getWalletFromSeed'109    )110    t.deepEqual(111        getWalletFromSeed({ seed, segwit: false }),112        {113            address: '1KMyB2466uJzWuJgwxMEYud6xhAexJHwyM',114            private_key: 'L1FAYi6Hk6X9fa8NGDp5Whh7GBUfpuHeU6wcEdHQeZ6rfb4VG2y7'115        },116        'getWalletFromSeed'117    )118    t.deepEqual(119        getWalletsFromSeed({ seed, count: 2 }),120        [121            {122                address: '39hFXsmKPPNuKmMspjLvi5BT1n5XjbA4CT',123                private_key:124                    'L16cg8Azn34WH8BKGqAQsJ1c59UJDhCuLR3JZafUi1ASJEVZ96FH'125            },126            {127                address: '3QTyfe1J3CETz99TGynuip4DTGWAwfEpu6',128                private_key: private_key129            }130        ],131        'getWalletsFromSeed'132    )133    t.equal(134        getSegwitAddressFromPrivateKey(wallet.private_key),135        wallet.address,136        'getSegwitAddressFromPrivateKey'137    )138    t.equal(139        getAddressFromPrivateKey(wallet2.private_key),140        wallet2.address,141        'getAddressFromPrivateKey'142    )143    t.equal(formatAddress(wallet.address), wallet.address, 'formatAddress')144    t.end()145})146test('Urls', t => {147    t.equal(typeof urlInfo('addres'), 'string', 'urlInfo')148    t.equal(typeof urlInfoTx('addres'), 'string', 'urlInfoTx')149    t.equal(typeof urlDecodeTx('addres'), 'string', 'urlDecodeTx')150    t.end()151})152test('encryptSeed decryptSeed', t => {153    const pass = '1234'154    const wallet = getWalletFromSeed({ seed })155    const encrypted = encryptSeed(seed, pass)156    const decrypted = decryptSeed([wallet.address], encrypted, pass)157    t.equal(typeof encrypted, 'object', 'encryptSeed')158    t.equal(typeof encrypted.ciphertext, 'string', 'encryptSeed 2')159    t.equal(encrypted.cipher, 'aes-128-ctr', 'encryptSeed 2')160    t.equal(encrypted.kdf, 'scrypt', 'encryptSeed 3')161    t.equal(typeof encrypted.kdfparams, 'object', 'encryptSeed 4')162    t.equal(decrypted, seed, 'decryptSeed')163    t.end()164})165test('encryptPrivateKey decryptPrivateKey', t => {166    const pass = '1234'167    const address = getAddressFromPrivateKey(private_key)168    const encrypted = encryptPrivateKey(private_key, pass)169    const decrypted = decryptPrivateKey(address, encrypted, pass)170    t.equal(typeof encrypted, 'object', 'encryptPrivateKey')171    t.equal(typeof encrypted.ciphertext, 'string', 'encryptPrivateKey 2')172    t.equal(encrypted.cipher, 'aes-128-ctr', 'encryptPrivateKey 2')173    t.equal(encrypted.kdf, 'scrypt', 'encryptPrivateKey 3')174    t.equal(typeof encrypted.kdfparams, 'object', 'encryptPrivateKey 4')175    t.equal(decrypted, private_key, 'decryptPrivateKey')176    t.end()177})178test('decryptPrivateKeyFromSeed', t => {179    const pass = '1234'180    const wallets = getWalletsFromSeed({ seed, count: 2 })181    const encrypted = encryptSeed(seed, pass)182    const private_key = decryptPrivateKeyFromSeed(183        wallets[1].address,184        wallets.map(wallet => wallet.address),185        encrypted,186        pass187    )188    t.equal(private_key, wallets[1].private_key)189    t.end()190})191test('getNextWalletFromSeed', t => {192    const pass = '1234'193    const wallets = getWalletsFromSeed({ seed, count: 3 })194    const encrypted = encryptSeed(seed, pass)195    const wallet = getNextWalletFromSeed(196        wallets[1].address,197        wallets.map(wallet => wallet.address),198        encrypted,199        pass200    )201    t.deepEqual(wallet, wallets[2])202    t.end()203})204test('decryptWalletFromSeed', t => {205    const pass = '1234'206    const wallets = getWalletsFromSeed({ seed, count: 3 })207    const encrypted = encryptSeed(seed, pass)208    const wallet = decryptWalletFromSeed(209        wallets[1].address,210        wallets.map(wallet => wallet.address),211        encrypted,212        pass213    )214    t.equal(wallet.address, wallets[1].address, 'decryptWalletFromSeed.address')215    t.equal(216        wallet.private_key,217        wallets[1].private_key,218        'decryptWalletFromSeed.private_key'219    )220    t.equal(wallet.seed, seed, 'decryptWalletFromSeed.seed')221    t.end()222})223test('encryptBIP38 decryptBIP38', t => {224    const pass = '1234'225    const encrypted = encryptBIP38(private_key, pass)226    const decrypted = decryptBIP38(encrypted, pass)227    t.equal(private_key, decrypted)228    t.end()229})230test('discoverAddress', t => {231    const wallet = getWalletFromSeed({ seed, segwit: false })232    return discoverAddress({ seed }).then(233        ({ address, balance, totalReceived }) => {234            t.equal(address, wallet.address)235            t.equal(typeof balance, 'string')236            t.equal(typeof totalReceived, 'string')237            t.end()238        }239    )240})241test('discoverAddress segwit', t => {242    const wallet = getWalletFromSeed({ seed, segwit: true })243    return discoverAddress({ seed, segwit: true }).then(244        ({ address, balance, totalReceived }) => {245            t.equal(address, wallet.address)246            t.end()247        }248    )249})250test('discoverWallet', t => {251    return discoverWallet({ seed }).then(252        data => {253            t.equal(Array.isArray(data.addresses), true)254            t.equal(typeof data.index, 'number')255            t.equal(typeof data.segwit, 'boolean')256            t.equal(data.address, data.addresses[data.addresses.length - 1])257            t.end()258        },259        wallet => {260            // to do261        }262    )263})264test('fetchRecomendedFee', t => {265    return fetchRecomendedFee({266        addresses: addresses267    }).then(fee => {268        t.equal(typeof fee, 'string')269        t.equal(typeof Number(fee), 'number')270        t.equal(isNaN(Number(fee)), false)271        t.end()272    })273})274test('fetchTxs', t => {275    return fetchTxs(addresses).then(txs => {276        t.equal(typeof txs, 'object')277        t.equal(typeof txs.totalTxs, 'number')278        t.equal(Array.isArray(txs.txs), true)279        if (txs.txs.length > 0) {280            t.equal(typeof txs.txs[0].value, 'string', 'value')281            t.equal(282                BigNumber(txs.txs[0].value).toFixed(),283                txs.txs[0].value,284                'value fixnumber'285            )286            t.equal(typeof txs.txs[0].fees, 'string', 'fees')287            t.equal(288                BigNumber(txs.txs[0].fees).toFixed(),289                txs.txs[0].fees,290                'fees fixnumber'291            )292            t.equal(typeof txs.txs[0].time, 'number')293            t.equal(typeof txs.txs[0].txid, 'string')294        }295        t.end()296    })297})298test('createSimpleTx', t => {299    setupNetwork(TESTNET, networks) // changing to testnet300    return createSimpleTx({301        from_addresses: ['mm42obtLkUesaHxj5i236B9hJ7m6yv4Ujg'],302        private_keys: ['cRkNqWAK64qSooKnadaFLa9uhSK1QtgkD5ezJQcsn1Fz5LQSnHT5'],303        to_address: '2N9Cki8ABz6oXuoF24rd5eAFPwwVpEWYctt',304        amount: 1,305        fee: 0.01306    }).then(txsigned => {307        t.equal(typeof txsigned, 'string')308        t.end()309    })310})311test('getSendProviders', t => {312    setupNetwork(MAINNET, networks) // changing to testnet313    const providers = getSendProviders()314    t.equal(Array.isArray(providers), true)315    t.equal(typeof providers[0].name, 'string')316    t.equal(typeof providers[0].url, 'string')317    t.equal(typeof providers[0].send, 'function')318    t.end()...

test_all_random_functions.py

Source:test_all_random_functions.py

...5from networkx.algorithms import approximation as approx6from networkx.algorithms import threshold7progress = 08# store the random numbers after setting a global seed9np.random.seed(42)10np_rv = np.random.rand()11random.seed(42)12py_rv = random.random()13def t(f, *args, **kwds):14    """call one function and check if global RNG changed"""15    global progress16    progress += 117    print(progress, ",", end="")18    f(*args, **kwds)19    after_np_rv = np.random.rand()20    # if np_rv != after_np_rv:21    #    print(np_rv, after_np_rv, "don't match np!")22    assert np_rv == after_np_rv23    np.random.seed(42)24    after_py_rv = random.random()25    # if py_rv != after_py_rv:26    #    print(py_rv, after_py_rv, "don't match py!")27    assert py_rv == after_py_rv28    random.seed(42)29def run_all_random_functions(seed):30    n = 2031    m = 1032    k = l = 233    s = v = 1034    p = q = p1 = p2 = p_in = p_out = 0.435    alpha = radius = theta = 0.7536    sizes = (20, 20, 10)37    colors = [1, 2, 3]38    G = nx.barbell_graph(12, 20)39    deg_sequence = [3, 2, 1, 3, 2, 1, 3, 2, 1, 2, 1, 2, 1]40    in_degree_sequence = w = sequence = aseq = bseq = deg_sequence41    # print("starting...")42    t(nx.maximal_independent_set, G, seed=seed)43    t(nx.rich_club_coefficient, G, seed=seed, normalized=False)44    t(nx.random_reference, G, seed=seed)45    t(nx.lattice_reference, G, seed=seed)46    t(nx.sigma, G, 1, 2, seed=seed)47    t(nx.omega, G, 1, 2, seed=seed)48    # print("out of smallworld.py")49    t(nx.double_edge_swap, G, seed=seed)50    # print("starting connected_double_edge_swap")51    t(nx.connected_double_edge_swap, nx.complete_graph(9), seed=seed)52    # print("ending connected_double_edge_swap")53    t(nx.random_layout, G, seed=seed)54    t(nx.fruchterman_reingold_layout, G, seed=seed)55    t(nx.algebraic_connectivity, G, seed=seed)56    t(nx.fiedler_vector, G, seed=seed)57    t(nx.spectral_ordering, G, seed=seed)58    # print('starting average_clustering')59    t(approx.average_clustering, G, seed=seed)60    t(nx.betweenness_centrality, G, seed=seed)61    t(nx.edge_betweenness_centrality, G, seed=seed)62    t(nx.edge_betweenness, G, seed=seed)63    t(nx.approximate_current_flow_betweenness_centrality, G, seed=seed)64    # print("kernighan")65    t(nx.algorithms.community.kernighan_lin_bisection, G, seed=seed)66    # nx.algorithms.community.asyn_lpa_communities(G, seed=seed)67    t(nx.algorithms.tree.greedy_branching, G, seed=seed)68    t(nx.algorithms.tree.Edmonds, G, seed=seed)69    # print('done with graph argument functions')70    t(nx.spectral_graph_forge, G, alpha, seed=seed)71    t(nx.algorithms.community.asyn_fluidc, G, k, max_iter=1, seed=seed)72    t(73        nx.algorithms.connectivity.edge_augmentation.greedy_k_edge_augmentation,74        G,75        k,76        seed=seed,77    )78    t(nx.algorithms.coloring.strategy_random_sequential, G, colors, seed=seed)79    cs = ["d", "i", "i", "d", "d", "i"]80    t(threshold.swap_d, cs, seed=seed)81    t(nx.configuration_model, deg_sequence, seed=seed)82    t(83        nx.directed_configuration_model,84        in_degree_sequence,85        in_degree_sequence,86        seed=seed,87    )88    t(nx.expected_degree_graph, w, seed=seed)89    t(nx.random_degree_sequence_graph, sequence, seed=seed)90    joint_degrees = {91        1: {4: 1},92        2: {2: 2, 3: 2, 4: 2},93        3: {2: 2, 4: 1},94        4: {1: 1, 2: 2, 3: 1},95    }96    t(nx.joint_degree_graph, joint_degrees, seed=seed)97    joint_degree_sequence = [98        (1, 0),99        (1, 0),100        (1, 0),101        (2, 0),102        (1, 0),103        (2, 1),104        (0, 1),105        (0, 1),106    ]107    t(nx.random_clustered_graph, joint_degree_sequence, seed=seed)108    constructor = [(3, 3, 0.5), (10, 10, 0.7)]109    t(nx.random_shell_graph, constructor, seed=seed)110    mapping = {1: 0.4, 2: 0.3, 3: 0.3}111    t(nx.utils.random_weighted_sample, mapping, k, seed=seed)112    t(nx.utils.weighted_choice, mapping, seed=seed)113    t(nx.algorithms.bipartite.configuration_model, aseq, bseq, seed=seed)114    t(nx.algorithms.bipartite.preferential_attachment_graph, aseq, p, seed=seed)115    def kernel_integral(u, w, z):116        return z - w117    t(nx.random_kernel_graph, n, kernel_integral, seed=seed)118    sizes = [75, 75, 300]119    probs = [[0.25, 0.05, 0.02], [0.05, 0.35, 0.07], [0.02, 0.07, 0.40]]120    t(nx.stochastic_block_model, sizes, probs, seed=seed)121    t(nx.random_partition_graph, sizes, p_in, p_out, seed=seed)122    # print("starting generator functions")123    t(threshold.random_threshold_sequence, n, p, seed=seed)124    t(nx.tournament.random_tournament, n, seed=seed)125    t(nx.relaxed_caveman_graph, l, k, p, seed=seed)126    t(nx.planted_partition_graph, l, k, p_in, p_out, seed=seed)127    t(nx.gaussian_random_partition_graph, n, s, v, p_in, p_out, seed=seed)128    t(nx.gn_graph, n, seed=seed)129    t(nx.gnr_graph, n, p, seed=seed)130    t(nx.gnc_graph, n, seed=seed)131    t(nx.scale_free_graph, n, seed=seed)132    t(nx.directed.random_uniform_k_out_graph, n, k, seed=seed)133    t(nx.random_k_out_graph, n, k, alpha, seed=seed)134    N = 1000135    t(nx.partial_duplication_graph, N, n, p, q, seed=seed)136    t(nx.duplication_divergence_graph, n, p, seed=seed)137    t(nx.random_geometric_graph, n, radius, seed=seed)138    t(nx.soft_random_geometric_graph, n, radius, seed=seed)139    t(nx.geographical_threshold_graph, n, theta, seed=seed)140    t(nx.waxman_graph, n, seed=seed)141    t(nx.navigable_small_world_graph, n, seed=seed)142    t(nx.thresholded_random_geometric_graph, n, radius, theta, seed=seed)143    t(nx.uniform_random_intersection_graph, n, m, p, seed=seed)144    t(nx.k_random_intersection_graph, n, m, k, seed=seed)145    t(nx.general_random_intersection_graph, n, 2, [0.1, 0.5], seed=seed)146    t(nx.fast_gnp_random_graph, n, p, seed=seed)147    t(nx.gnp_random_graph, n, p, seed=seed)148    t(nx.dense_gnm_random_graph, n, m, seed=seed)149    t(nx.gnm_random_graph, n, m, seed=seed)150    t(nx.newman_watts_strogatz_graph, n, k, p, seed=seed)151    t(nx.watts_strogatz_graph, n, k, p, seed=seed)152    t(nx.connected_watts_strogatz_graph, n, k, p, seed=seed)153    t(nx.random_regular_graph, 3, n, seed=seed)154    t(nx.barabasi_albert_graph, n, m, seed=seed)155    t(nx.extended_barabasi_albert_graph, n, m, p, q, seed=seed)156    t(nx.powerlaw_cluster_graph, n, m, p, seed=seed)157    t(nx.random_lobster, n, p1, p2, seed=seed)158    t(nx.random_powerlaw_tree, n, seed=seed, tries=5000)159    t(nx.random_powerlaw_tree_sequence, 10, seed=seed, tries=5000)160    t(nx.random_tree, n, seed=seed)161    t(nx.utils.powerlaw_sequence, n, seed=seed)162    t(nx.utils.zipf_rv, 2.3, seed=seed)163    cdist = [0.2, 0.4, 0.5, 0.7, 0.9, 1.0]164    t(nx.utils.discrete_sequence, n, cdistribution=cdist, seed=seed)165    t(nx.algorithms.bipartite.random_graph, n, m, p, seed=seed)166    t(nx.algorithms.bipartite.gnmk_random_graph, n, m, k, seed=seed)167    LFR = nx.generators.LFR_benchmark_graph168    t(169        LFR,170        25,171        3,172        1.5,173        0.1,174        average_degree=3,175        min_community=10,176        seed=seed,177        max_community=20,178    )179    t(nx.random_internet_as_graph, n, seed=seed)180    # print("done")181# choose to test an integer seed, or whether a single RNG can be everywhere182# np_rng = np.random.RandomState(14)183# seed = np_rng184# seed = 14185@pytest.mark.slow186# print("NetworkX Version:", nx.__version__)187def test_rng_interface():188    global progress189    # try different kinds of seeds190    for seed in [14, np.random.RandomState(14)]:191        np.random.seed(42)192        random.seed(42)193        run_all_random_functions(seed)194        progress = 0195        # check that both global RNGs are unaffected196        after_np_rv = np.random.rand()197        #        if np_rv != after_np_rv:198        #            print(np_rv, after_np_rv, "don't match np!")199        assert np_rv == after_np_rv200        after_py_rv = random.random()201        #        if py_rv != after_py_rv:202        #            print(py_rv, after_py_rv, "don't match py!")203        assert py_rv == after_py_rv204#        print("\nDone testing seed:", seed)...

test_random_noise.py

Source:test_random_noise.py

1from numpy.testing import assert_array_equal, assert_allclose, assert_raises2import numpy as np3from skimage.data import camera4from skimage.util import random_noise, img_as_float5def test_set_seed():6    seed = 427    cam = camera()8    test = random_noise(cam, seed=seed)9    assert_array_equal(test, random_noise(cam, seed=seed))10def test_salt():11    seed = 4212    cam = img_as_float(camera())13    cam_noisy = random_noise(cam, seed=seed, mode='salt', amount=0.15)14    saltmask = cam != cam_noisy15    # Ensure all changes are to 1.016    assert_allclose(cam_noisy[saltmask], np.ones(saltmask.sum()))17    # Ensure approximately correct amount of noise was added18    proportion = float(saltmask.sum()) / (cam.shape[0] * cam.shape[1])19    assert 0.11 < proportion <= 0.1520def test_pepper():21    seed = 4222    cam = img_as_float(camera())23    data_signed = cam * 2. - 1.   # Same image, on range [-1, 1]24    cam_noisy = random_noise(cam, seed=seed, mode='pepper', amount=0.15)25    peppermask = cam != cam_noisy26    # Ensure all changes are to 1.027    assert_allclose(cam_noisy[peppermask], np.zeros(peppermask.sum()))28    # Ensure approximately correct amount of noise was added29    proportion = float(peppermask.sum()) / (cam.shape[0] * cam.shape[1])30    assert 0.11 < proportion <= 0.1531    # Check to make sure pepper gets added properly to signed images32    orig_zeros = (data_signed == -1).sum()33    cam_noisy_signed = random_noise(data_signed, seed=seed, mode='pepper',34                                    amount=.15)35    proportion = (float((cam_noisy_signed == -1).sum() - orig_zeros) /36                  (cam.shape[0] * cam.shape[1]))37    assert 0.11 < proportion <= 0.1538def test_salt_and_pepper():39    seed = 4240    cam = img_as_float(camera())41    cam_noisy = random_noise(cam, seed=seed, mode='s&p', amount=0.15,42                             salt_vs_pepper=0.25)43    saltmask = np.logical_and(cam != cam_noisy, cam_noisy == 1.)44    peppermask = np.logical_and(cam != cam_noisy, cam_noisy == 0.)45    # Ensure all changes are to 0. or 1.46    assert_allclose(cam_noisy[saltmask], np.ones(saltmask.sum()))47    assert_allclose(cam_noisy[peppermask], np.zeros(peppermask.sum()))48    # Ensure approximately correct amount of noise was added49    proportion = float(50        saltmask.sum() + peppermask.sum()) / (cam.shape[0] * cam.shape[1])51    assert 0.11 < proportion <= 0.1852    # Verify the relative amount of salt vs. pepper is close to expected53    assert 0.18 < saltmask.sum() / float(peppermask.sum()) < 0.3254def test_gaussian():55    seed = 4256    data = np.zeros((128, 128)) + 0.557    data_gaussian = random_noise(data, seed=seed, var=0.01)58    assert 0.008 < data_gaussian.var() < 0.01259    data_gaussian = random_noise(data, seed=seed, mean=0.3, var=0.015)60    assert 0.28 < data_gaussian.mean() - 0.5 < 0.3261    assert 0.012 < data_gaussian.var() < 0.01862def test_localvar():63    seed = 4264    data = np.zeros((128, 128)) + 0.565    local_vars = np.zeros((128, 128)) + 0.00166    local_vars[:64, 64:] = 0.167    local_vars[64:, :64] = 0.2568    local_vars[64:, 64:] = 0.4569    data_gaussian = random_noise(data, mode='localvar', seed=seed,70                                 local_vars=local_vars, clip=False)71    assert 0. < data_gaussian[:64, :64].var() < 0.00272    assert 0.095 < data_gaussian[:64, 64:].var() < 0.10573    assert 0.245 < data_gaussian[64:, :64].var() < 0.25574    assert 0.445 < data_gaussian[64:, 64:].var() < 0.45575    # Ensure local variance bounds checking works properly76    bad_local_vars = np.zeros_like(data)77    assert_raises(ValueError, random_noise, data, mode='localvar', seed=seed,78                  local_vars=bad_local_vars)79    bad_local_vars += 0.180    bad_local_vars[0, 0] = -181    assert_raises(ValueError, random_noise, data, mode='localvar', seed=seed,82                  local_vars=bad_local_vars)83def test_speckle():84    seed = 4285    data = np.zeros((128, 128)) + 0.186    np.random.seed(seed=seed)87    noise = np.random.normal(0.1, 0.02 ** 0.5, (128, 128))88    expected = np.clip(data + data * noise, 0, 1)89    data_speckle = random_noise(data, mode='speckle', seed=seed, mean=0.1,90                                var=0.02)91    assert_allclose(expected, data_speckle)92def test_poisson():93    seed = 4294    data = camera()  # 512x512 grayscale uint895    cam_noisy = random_noise(data, mode='poisson', seed=seed)96    cam_noisy2 = random_noise(data, mode='poisson', seed=seed, clip=False)97    np.random.seed(seed=seed)98    expected = np.random.poisson(img_as_float(data) * 256) / 256.99    assert_allclose(cam_noisy, np.clip(expected, 0., 1.))100    assert_allclose(cam_noisy2, expected)101def test_clip_poisson():102    seed = 42103    data = camera()                             # 512x512 grayscale uint8104    data_signed = img_as_float(data) * 2. - 1.  # Same image, on range [-1, 1]105    # Signed and unsigned, clipped106    cam_poisson = random_noise(data, mode='poisson', seed=seed, clip=True)107    cam_poisson2 = random_noise(data_signed, mode='poisson', seed=seed,108                                clip=True)109    assert (cam_poisson.max() == 1.) and (cam_poisson.min() == 0.)110    assert (cam_poisson2.max() == 1.) and (cam_poisson2.min() == -1.)111    # Signed and unsigned, unclipped...

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