more_itertools ne peut pas importer cached_property depuis functools dans Python 3.6

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Libérer: 2024-02-22 13:40:18
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more_itertools 无法在 Python 3.6 中从 functools 导入cached_property

Contenu de la question

J'ai essayé d'exécuter grade_analysis.py à partir du terminal dans le code Visual Studio à l'aide de la commande suivante :

~/documents/school/ml4t_2023fall/assess_portfolio$ pythonpath=../:. python grade_analysis.py Selon les consignes de mise en classe

Cependant, lorsque j'exécute la commande, grade_analysis.py ne semble pas pouvoir passer au niveau supérieur et obtenir les informations du fichier grading.grading.py.

Est-ce que j'utilise mal cette commande ou est-ce que j'ai raté quelque chose ?

Voici l'erreur que je reçois :

2023fall/assess_portfolio$ pythonpath=../:. python grade_analysis.py
traceback (most recent call last):
  file "grade_analysis.py", line 20, in <module>
    import pytest                                                                                                                                                         
  file "/home/clopez/miniconda3/envs/ml4t/lib/python3.6/site-packages/pytest.py", line 34, in <module>
    from _pytest.python_api import approx
  file "/home/clopez/miniconda3/envs/ml4t/lib/python3.6/site-packages/_pytest/python_api.py", line 13, in <module>
    from more_itertools.more import always_iterable
  file "/home/clopez/miniconda3/envs/ml4t/lib/python3.6/site-packages/more_itertools/__init__.py", line 3, in <module>
    from .more import *  # noqa
  file "/home/clopez/miniconda3/envs/ml4t/lib/python3.6/site-packages/more_itertools/more.py", line 5, in <module>
    from functools import cached_property, partial, reduce, wraps
importerror: cannot import name 'cached_property'
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Instructions de configuration de l'environnement

environnement conda yml

name: ml4t
channels:
- conda-forge
- defaults
dependencies:
- python=3.6
- cycler=0.10.0
- kiwisolver=1.1.0
- matplotlib=3.0.3
- numpy=1.16.3
- pandas=0.24.2
- pyparsing=2.4.0
- python-dateutil=2.8.0
- pytz=2019.1
- scipy=1.2.1
- seaborn=0.9.0
- six=1.12.0
- joblib=0.13.2
- pytest=5.0
- pytest-json=0.4.0
- future=0.17.1
- pprofile=2.0.2
- pip
- pip:
  - jsons==0.8.8
  - gradescope-utils
  - subprocess32
Copier après la connexion

Analyse de note.py

"""MC1-P1: Analyze a portfolio - grading script.                                                                                              
                                                                                              
Usage:                                                                                                
- Switch to a student feedback directory first (will write "points.txt" and "comments.txt" in pwd).                                                                                               
- Run this script with both ml4t/ and student solution in PYTHONPATH, e.g.:                                                                                               
    PYTHONPATH=ml4t:MC1-P1/jdoe7 python ml4t/mc1_p1_grading/grade_analysis.py                                                                                             
                                                                                              
Copyright 2017, Georgia Tech Research Corporation                                                                                             
Atlanta, Georgia 30332-0415                                                                                               
All Rights Reserved                                                                                               
"""                                                                                               
                                                                                              
import datetime                                                                                               
import os                                                                                             
import sys                                                                                                
import traceback as tb                                                                                                
from collections import OrderedDict, namedtuple                                                                                               
                                                                                              
import pandas as pd                                                                                               
import pytest                                                                                             
from grading.grading import (                                                                                             
    GradeResult,                                                                                              
    IncorrectOutput,                                                                                              
    grader,                                                                                               
    run_with_timeout,                                                                                             
)                                                                                             
from util import get_data                                                                                             
                                                                                              
# Student code                                                                                                
# Spring '16 renamed package to just "analysis" (BPH)                                                                                             
main_code = "analysis"  # module name to import                                                                                               
                                                                                              
# Test cases                                                                                              
# Spring '16 test cases only check sharp ratio, avg daily ret, and cum_ret (BPH)                                                                                              
PortfolioTestCase = namedtuple(                                                                                               
    "PortfolioTestCase", ["inputs", "outputs", "description"]                                                                                             
)                                                                                             
portfolio_test_cases = [                                                                                              
    PortfolioTestCase(                                                                                                
        inputs=dict(                                                                                              
            start_date="2010-01-01",                                                                                              
            end_date="2010-12-31",                                                                                                
            symbol_allocs=OrderedDict(                                                                                                
                [("GOOG", 0.2), ("AAPL", 0.3), ("GLD", 0.4), ("XOM", 0.1)]                                                                                                
            ),                                                                                                
            start_val=1000000,                                                                                                
        ),                                                                                                
        outputs=dict(                                                                                             
            cum_ret=0.255646784534,                                                                                               
            avg_daily_ret=0.000957366234238,                                                                                              
            sharpe_ratio=1.51819243641,                                                                                               
        ),                                                                                                
        description="Wiki example 1",                                                                                             
    ),                                                                                                
    PortfolioTestCase(                                                                                                
        inputs=dict(                                                                                              
            start_date="2010-01-01",                                                                                              
            end_date="2010-12-31",                                                                                                
            symbol_allocs=OrderedDict(                                                                                                
                [("AXP", 0.0), ("HPQ", 0.0), ("IBM", 0.0), ("HNZ", 1.0)]                                                                                              
            ),                                                                                                
            start_val=1000000,                                                                                                
        ),                                                                                                
        outputs=dict(                                                                                             
            cum_ret=0.198105963655,                                                                                               
            avg_daily_ret=0.000763106152672,                                                                                              
            sharpe_ratio=1.30798398744,                                                                                               
        ),                                                                                                
        description="Wiki example 2",                                                                                             
    ),                                                                                                
    PortfolioTestCase(                                                                                                
        inputs=dict(                                                                                              
            start_date="2010-06-01",                                                                                              
            end_date="2010-12-31",                                                                                                
            symbol_allocs=OrderedDict(                                                                                                
                [("GOOG", 0.2), ("AAPL", 0.3), ("GLD", 0.4), ("XOM", 0.1)]                                                                                                
            ),                                                                                                
            start_val=1000000,                                                                                                
        ),                                                                                                
        outputs=dict(                                                                                             
            cum_ret=0.205113938792,                                                                                               
            avg_daily_ret=0.00129586924366,                                                                                               
            sharpe_ratio=2.21259766672,                                                                                               
        ),                                                                                                
        description="Wiki example 3: Six month range",                                                                                                
    ),                                                                                                
    PortfolioTestCase(                                                                                                
        inputs=dict(                                                                                              
            start_date="2010-01-01",                                                                                              
            end_date="2013-05-31",                                                                                                
            symbol_allocs=OrderedDict(                                                                                                
                [("AXP", 0.3), ("HPQ", 0.5), ("IBM", 0.1), ("GOOG", 0.1)]                                                                                             
            ),                                                                                                
            start_val=1000000,                                                                                                
        ),                                                                                                
        outputs=dict(                                                                                             
            cum_ret=-0.110888530433,                                                                                              
            avg_daily_ret=-6.50814806831e-05,                                                                                             
            sharpe_ratio=-0.0704694718385,                                                                                                
        ),                                                                                                
        description="Normalization check",                                                                                                
    ),                                                                                                
    PortfolioTestCase(                                                                                                
        inputs=dict(                                                                                              
            start_date="2010-01-01",                                                                                              
            end_date="2010-01-31",                                                                                                
            symbol_allocs=OrderedDict(                                                                                                
                [("AXP", 0.9), ("HPQ", 0.0), ("IBM", 0.1), ("GOOG", 0.0)]                                                                                             
            ),                                                                                                
            start_val=1000000,                                                                                                
        ),                                                                                                
        outputs=dict(                                                                                             
            cum_ret=-0.0758725033871,                                                                                             
            avg_daily_ret=-0.00411578300489,                                                                                              
            sharpe_ratio=-2.84503813366,                                                                                              
        ),                                                                                                
        description="One month range",                                                                                                
    ),                                                                                                
    PortfolioTestCase(                                                                                                
        inputs=dict(                                                                                              
            start_date="2011-01-01",                                                                                              
            end_date="2011-12-31",                                                                                                
            symbol_allocs=OrderedDict(                                                                                                
                [("WFR", 0.25), ("ANR", 0.25), ("MWW", 0.25), ("FSLR", 0.25)]                                                                                             
            ),                                                                                                
            start_val=1000000,                                                                                                
        ),                                                                                                
        outputs=dict(                                                                                             
            cum_ret=-0.686004563165,                                                                                              
            avg_daily_ret=-0.00405018240566,                                                                                              
            sharpe_ratio=-1.93664660013,                                                                                              
        ),                                                                                                
        description="Low Sharpe ratio",                                                                                               
    ),                                                                                                
    PortfolioTestCase(                                                                                                
        inputs=dict(                                                                                              
            start_date="2010-01-01",                                                                                              
            end_date="2010-12-31",                                                                                                
            symbol_allocs=OrderedDict(                                                                                                
                [("AXP", 0.0), ("HPQ", 1.0), ("IBM", 0.0), ("HNZ", 0.0)]                                                                                              
            ),                                                                                                
            start_val=1000000,                                                                                                
        ),                                                                                                
        outputs=dict(                                                                                             
            cum_ret=-0.191620333598,                                                                                              
            avg_daily_ret=-0.000718040989619,                                                                                             
            sharpe_ratio=-0.71237182415,                                                                                              
        ),                                                                                                
        description="All your eggs in one basket",                                                                                                
    ),                                                                                                
    PortfolioTestCase(                                                                                                
        inputs=dict(                                                                                              
            start_date="2006-01-03",                                                                                              
            end_date="2008-01-02",                                                                                                
            symbol_allocs=OrderedDict(                                                                                                
                [("MMM", 0.0), ("MO", 0.9), ("MSFT", 0.1), ("INTC", 0.0)]                                                                                             
            ),                                                                                                
            start_val=1000000,                                                                                                
        ),                                                                                                
        outputs=dict(                                                                                             
            cum_ret=0.43732715979,                                                                                                
            avg_daily_ret=0.00076948918955,                                                                                               
            sharpe_ratio=1.26449481371,                                                                                               
        ),                                                                                                
        description="Two year range",                                                                                             
    ),                                                                                                
]                                                                                             
abs_margins = dict(                                                                                               
    cum_ret=0.001, avg_daily_ret=0.00001, sharpe_ratio=0.001                                                                                              
)  # absolute margin of error for each output                                                                                             
points_per_output = dict(                                                                                             
    cum_ret=2.5, avg_daily_ret=2.5, sharpe_ratio=5.0                                                                                              
)  # points for each output, for partial credit                                                                                               
points_per_test_case = sum(points_per_output.values())                                                                                                
max_seconds_per_call = 5                                                                                              
                                                                                              
# Grading parameters (picked up by module-level grading fixtures)                                                                                             
max_points = float(len(portfolio_test_cases) * points_per_test_case)                                                                                              
html_pre_block = (                                                                                                
    True  # surround comments with HTML <pre class="brush:php;toolbar:false"> tag (for T-Square comments field)                                                                                               
)                                                                                             
                                                                                              
# Test functon(s)                                                                                             
@pytest.mark.parametrize("inputs,outputs,description", portfolio_test_cases)                                                                                              
def test_analysis(inputs, outputs, description, grader):                                                                                              
    """Test get_portfolio_value() and get_portfolio_stats() return correct values.                                                                                                
                                                                                              
    Requires test inputs, expected outputs, description, and a grader fixture.                                                                                                
    """                                                                                               
                                                                                              
    points_earned = 0.0  # initialize points for this test case                                                                                               
    try:                                                                                              
        # Try to import student code (only once)                                                                                              
        if not main_code in globals():                                                                                                
            import importlib                                                                                              
                                                                                              
            # * Import module                                                                                             
            mod = importlib.import_module(main_code)                                                                                              
            globals()[main_code] = mod                                                                                                
                                                                                              
        # Unpack test case                                                                                                
        start_date_str = inputs["start_date"].split("-")                                                                                              
        start_date = datetime.datetime(                                                                                               
            int(start_date_str[0]),                                                                                               
            int(start_date_str[1]),                                                                                               
            int(start_date_str[2]),                                                                                               
        )                                                                                             
        end_date_str = inputs["end_date"].split("-")                                                                                              
        end_date = datetime.datetime(                                                                                             
            int(end_date_str[0]), int(end_date_str[1]), int(end_date_str[2])                                                                                              
        )                                                                                             
        symbols = list(                                                                                               
            inputs["symbol_allocs"].keys()                                                                                                
        )  # e.g.: ['GOOG', 'AAPL', 'GLD', 'XOM']                                                                                             
        allocs = list(                                                                                                
            inputs["symbol_allocs"].values()                                                                                              
        )  # e.g.: [0.2, 0.3, 0.4, 0.1]                                                                                               
        start_val = inputs["start_val"]                                                                                               
        risk_free_rate = inputs.get("risk_free_rate", 0.0)                                                                                                
                                                                                              
        # the wonky unpacking here is so that we only pull out the values we say we'll test.                                                                                              
        def timeoutwrapper_analysis():                                                                                                
            student_rv = analysis.assess_portfolio(                                                                                               
                sd=start_date,                                                                                                
                ed=end_date,                                                                                              
                syms=symbols,                                                                                             
                allocs=allocs,                                                                                                
                sv=start_val,                                                                                             
                rfr=risk_free_rate,                                                                                               
                sf=252.0,                                                                                             
                gen_plot=False,                                                                                               
            )                                                                                             
            return student_rv                                                                                             
                                                                                              
        result = run_with_timeout(                                                                                                
            timeoutwrapper_analysis, max_seconds_per_call, (), {}                                                                                             
        )                                                                                             
        student_cr = result[0]                                                                                                
        student_adr = result[1]                                                                                               
        student_sr = result[3]                                                                                                
        port_stats = OrderedDict(                                                                                             
            [                                                                                             
                ("cum_ret", student_cr),                                                                                              
                ("avg_daily_ret", student_adr),                                                                                               
                ("sharpe_ratio", student_sr),                                                                                             
            ]                                                                                             
        )                                                                                             
        # Verify against expected outputs and assign points                                                                                               
        incorrect = False                                                                                             
        msgs = []                                                                                             
        for key, value in port_stats.items():                                                                                             
            if abs(value - outputs[key]) > abs_margins[key]:                                                                                              
                incorrect = True                                                                                              
                msgs.append(                                                                                              
                    "    {}: {} (expected: {})".format(                                                                                               
                        key, value, outputs[key]                                                                                              
                    )                                                                                             
                )                                                                                             
            else:                                                                                             
                points_earned += points_per_output[key]  # partial credit                                                                                             
                                                                                              
        if incorrect:                                                                                             
            inputs_str = (                                                                                                
                "    start_date: {}\n"                                                                                                
                "    end_date: {}\n"                                                                                              
                "    symbols: {}\n"                                                                                               
                "    allocs: {}\n"                                                                                                
                "    start_val: {}".format(                                                                                               
                    start_date, end_date, symbols, allocs, start_val                                                                                              
                )                                                                                             
            )                                                                                             
            raise IncorrectOutput(                                                                                                
                "One or more stats were incorrect.\n  Inputs:\n{}\n  Wrong"                                                                                               
                " values:\n{}".format(inputs_str, "\n".join(msgs))                                                                                                
            )                                                                                             
    except Exception as e:                                                                                                
        # Test result: failed                                                                                             
        msg = "Test case description: {}\n".format(description)                                                                                               
                                                                                              
        # Generate a filtered stacktrace, only showing erroneous lines in student file(s)                                                                                             
        tb_list = tb.extract_tb(sys.exc_info()[2])                                                                                                
        for i in range(len(tb_list)):                                                                                             
            row = tb_list[i]                                                                                              
            tb_list[i] = (                                                                                                
                os.path.basename(row[0]),                                                                                             
                row[1],                                                                                               
                row[2],                                                                                               
                row[3],                                                                                               
            )  # show only filename instead of long absolute path                                                                                             
        tb_list = [row for row in tb_list if row[0] == "analysis.py"]                                                                                             
        if tb_list:                                                                                               
            msg += "Traceback:\n"                                                                                             
            msg += "".join(tb.format_list(tb_list))  # contains newlines                                                                                              
        msg += "{}: {}".format(e.__class__.__name__, str(e))                                                                                              
                                                                                              
        # Report failure result to grader, with stacktrace                                                                                                
        grader.add_result(                                                                                                
            GradeResult(outcome="failed", points=points_earned, msg=msg)                                                                                              
        )                                                                                             
        raise                                                                                             
    else:                                                                                             
        # Test result: passed (no exceptions)                                                                                             
        grader.add_result(                                                                                                
            GradeResult(outcome="passed", points=points_earned, msg=None)                                                                                             
        )                                                                                             
                                                                                              
                                                                                              
if __name__ == "__main__":                                                                                                
    pytest.main(["-s", __file__])
Copier après la connexion

J'ai activé l'environnement conda et configuré les fichiers pour qu'il puisse accéder au fichier util.py et au fichier grading.py.

J'espère qu'après avoir exécuté la commande, le fichier Analysis.py sera noté à l'aide de grade_analysis.py.


Bonne réponse


C'est pourquoi il est préférable d'utiliser conda-lock pour verrouiller des fichiers (ou conteneuriser) pour une reproductibilité à long terme que d'utiliser yaml. Dépendances supplémentaires (telles que le contenu de more-itertools)在 yaml 中不受限制,并且其他包的依赖项可能没有适当的上限。在这种情况下,op 最终得到了 more_itertools 模块的一个版本,该模块引用了后来才添加到 functools.

La bissection est représentée à partir de more_itertools v10 开始的有问题的引用(对 cached_property), donc définir une limite supérieure devrait faire l'affaire :

name: ml4t
channels:
  - conda-forge
  - defaults
dependencies:
  - python=3.6
  - cycler=0.10.0
  - kiwisolver=1.1.0
  - matplotlib=3.0.3
  - more-itertools<10  # <- prevent v10+
  - numpy=1.16.3
  - pandas=0.24.2
  - pyparsing=2.4.0
  - python-dateutil=2.8.0
  - pytz=2019.1
  - scipy=1.2.1
  - seaborn=0.9.0
  - six=1.12.0
  - joblib=0.13.2
  - pytest=5.0
  - pytest-json=0.4.0
  - future=0.17.1
  - pprofile=2.0.2
  - pip
  - pip:
    - jsons==0.8.8
    - gradescope-utils
    - subprocess32

Copier après la connexion

Utilisez ce yaml et testez que l'importation à l'origine de l'erreur fonctionne désormais :

$ python -c "from more_itertools.more import always_iterable"
$ echo $?
0
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Ce qui précède est le contenu détaillé de. pour plus d'informations, suivez d'autres articles connexes sur le site Web de PHP en chinois!

source:stackoverflow.com
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