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a eV�i0� � @ s� d Z ddlmZ ddlZddlZddlZddlZddlZddlZddl m Z ddl m Z ddl mZmZmZ ddlmZ ddlmZ dd lmZmZ dd lmZmZmZ dd lm Z dd l m Z m Z m!Z!m"Z"m#Z# dd l$m%Z%m&Z& ddl'm(Z( ddl)m*Z* ddl+m,Z, ddl-m.Z. ddl/m0Z0 ddl1m2Z2 ddl3m4Z4 ddl5m6Z6 ddl7m8Z8 ddl9m:Z: ddl;m<Z< ddl=m>Z> ddl?m@Z@ ddlAmBZB dd lCmDZD dd lEmFZF dd lGmHZH e�r�dd lImJZJ g d �ZKe<eL�ZMeeNd! eNeOePf f ZQeNeOeOeOeeeO eQf ZRdDd#d$d%d%d&�d'd(�ZSG d)d*� d*ejT�ZUG d+d,� d,�ZVd-d.d/d-d0�d1d2�ZWe G d3d4� d4��ZXe d5d6�G d7d8� d8��ZYG d9d:� d:�ZZG d;d<� d<�Z[d/d/d=d>�d?d@�Z\d/d/dAd>�dBdC�Z]dS )Ez!Routines related to PyPI, indexes� )� annotationsN)�Iterable)� dataclass)� TYPE_CHECKING�Optional�Union)� specifiers)�Tag)�NormalizedName�canonicalize_name)�InvalidVersion�Version� _BaseVersion)�parse)�BestVersionAlreadyInstalled�DistributionNotFound�InstallationError�InvalidWheelFilename�UnsupportedWheel)� LinkCollector� parse_links)�select_backend)�InstallationCandidate)� FormatControl)�Link)�ReleaseControl)� SearchScope)�SelectionPreferences)� TargetPython)�Wheel)�InstallRequirement)� getLogger)�WHEEL_EXTENSION)�Hashes)� indent_log)� build_netloc)�check_requires_python)�SUPPORTED_EXTENSIONS)� TypeGuard)r �BestCandidateResult� PackageFinder� Fr ztuple[int, int, int]�bool)�link� version_info�ignore_requires_python�returnc C s| zt | j|d�}W n$ tjy6 t�d| j| � Y nB0 |sxd�tt|��}|sft� d|| j| � dS t�d|| j| � dS )aa Return whether the given Python version is compatible with a link's "Requires-Python" value. :param version_info: A 3-tuple of ints representing the Python major-minor-micro version to check. :param ignore_requires_python: Whether to ignore the "Requires-Python" value if the given Python version isn't compatible. )r. z2Ignoring invalid Requires-Python (%r) for link: %s�.z4Link requires a different Python (%s not in: %r): %sFzBIgnoring failed Requires-Python check (%s not in: %r) for link: %sT) r& �requires_pythonr �InvalidSpecifier�logger�debug�join�map�str�verbose)r- r. r/ � is_compatible�versionr+ r+ �U/opt/bart/bart_venv/lib/python3.9/site-packages/pip/_internal/index/package_finder.py�_check_link_requires_python? s8 � � ��r= c @ sT e Zd Ze�� Ze�� Ze�� Ze�� Ze�� Z e�� Z e�� Z e�� Z e�� Z dS )�LinkTypeN)�__name__� __module__� __qualname__�enum�auto� candidate�different_project�yanked�format_unsupported�format_invalid�platform_mismatch�requires_python_mismatch�upload_too_late�upload_time_missingr+ r+ r+ r< r> n s r> c @ sH e Zd ZdZe�d�Zddddddd d d d �d d�Zddd�dd�ZdS )� LinkEvaluatorzD Responsible for evaluating links for a particular project. z-py([123]\.?[0-9]?)$Nr8 r zfrozenset[str]r r, � bool | None�datetime.datetime | None�None)� project_name�canonical_name�formats� target_python� allow_yankedr/ �uploaded_prior_tor0 c C s: |du r d}|| _ || _|| _|| _|| _|| _|| _dS )aB :param project_name: The user supplied package name. :param canonical_name: The canonical package name. :param formats: The formats allowed for this package. Should be a set with 'binary' or 'source' or both in it. :param target_python: The target Python interpreter to use when evaluating link compatibility. This is used, for example, to check wheel compatibility, as well as when checking the Python version, e.g. the Python version embedded in a link filename (or egg fragment) and against an HTML link's optional PEP 503 "data-requires-python" attribute. :param allow_yanked: Whether files marked as yanked (in the sense of PEP 592) are permitted to be candidates for install. :param ignore_requires_python: Whether to ignore incompatible PEP 503 "data-requires-python" values in HTML links. Defaults to False. :param uploaded_prior_to: If set, only allow links uploaded prior to the given datetime. NF)� _allow_yanked�_canonical_name�_ignore_requires_python�_formats�_target_python�_uploaded_prior_torQ )�selfrQ rR rS rT rU r/ rV r+ r+ r< �__init__� s zLinkEvaluator.__init__r ztuple[LinkType, str])r- r0 c C s� d}|j r*| js*|jpd}tjd|� �fS |jr@|j}|j}�n|�� \}}|sZtjdfS |t vrrtjd|� �fS d| j vr�|t kr�d| j � �}tj|fS d|j v r�|d kr�tjd fS |t k�rRzt|j�}W n ty� tjd f Y S 0 |j| jk�rd | j � d �}tj|fS | j�� }|�|��sLd�|�� �}d|� d�}tj|fS |j}| j du�r�|j �s�|j du �r�|j �r�d|j � �} nd} tj | � d�fS |j | j k�r�tj!d|j � d| j � �fS d| j v�r�|t k�r�d| j � �}tj|fS |�st"|| j�}|�s d| j � �}tj|fS | j#�$|�} | �rb|d| �%� � }| �&d�} | | jj'k�rbtjdfS t(|| jj)| j*d�} | �s�|j+} | �r�d d d �d d �}d!�t,d"d#� t-�.| �D �|d$��} |� d%| � �}tj/|fS t0�1d&||� tj2|fS )'a� Determine whether a link is a candidate for installation. :return: A tuple (result, detail), where *result* is an enum representing whether the evaluation found a candidate, or the reason why one is not found. If a candidate is found, *detail* will be the candidate's version string; if one is not found, it contains the reason the link fails to qualify. Nz <none given>zyanked for reason: z not a filez unsupported archive format: �binaryzNo binaries permitted for �macosx10z.zipz macosx10 onezinvalid wheel filenamezwrong project name (not �)�, znone of the wheel's tags (zB) are compatible (run pip debug --verbose to show compatible tags)zIndex �Indexz' does not provide upload-time metadata.z Upload time z not prior to �sourcezNo sources permitted for z Missing project version for � zPython version is incorrect)r. r/ r8 ztuple[int, ...])�vr0 c S s t dd� | �d�D ��S )Nc s s | ]}|� � rt|�V qd S �N)�isdigit�int��.0�sr+ r+ r< � <genexpr> � zLLinkEvaluator.evaluate_link.<locals>.get_version_sort_key.<locals>.<genexpr>r1 )�tuple�split)rf r+ r+ r< �get_version_sort_key s z9LinkEvaluator.evaluate_link.<locals>.get_version_sort_key�,c s s | ]}t |�V qd S rg )r8 rj r+ r+ r< rm " rn z.LinkEvaluator.evaluate_link.<locals>.<genexpr>��keyz Requires-Python zFound link %s, version: %s)3� is_yankedrW � yanked_reasonr> rF � egg_fragment�ext�splitextrG r' rZ r" rQ �pathr �filenamer rH �namerX rE r[ �get_unsorted_tags� supportedr6 �get_formatted_file_tagsrI r; r\ �is_fileZ upload_time� comes_fromrL rK � _extract_version_from_fragment�_py_version_re�search�start�group� py_versionr= �py_version_inforY r2 �sortedr � SpecifierSetrJ r4 r5 rD )r] r- r; �reason�egg_inforx �wheel�supported_tags� file_tags� index_info�matchr� �supports_pythonr2 rq r+ r+ r< � evaluate_link� s� � � � � �� � ���� zLinkEvaluator.evaluate_link)NN) r? r@ rA �__doc__�re�compiler� r^ r� r+ r+ r+ r< rM z s � )rM �list[InstallationCandidate]� Hashes | Noner8 )� candidates�hashesrQ r0 c C s� |s t �dt| �|� t| �S g }g }d}| D ]>}|j}|js@n"|j|d�rV|d7 }n |�|� q.|�|� q.|rx|}nt| �}t|�t| �kr�d} n d�t|�d� dd � |D ���} t �d t| �||j |t|�| | � |S ) a� Filter out candidates whose hashes aren't allowed, and return a new list of candidates. If at least one candidate has an allowed hash, then all candidates with either an allowed hash or no hash specified are returned. Otherwise, the given candidates are returned. Including the candidates with no hash specified when there is a match allows a warning to be logged if there is a more preferred candidate with no hash specified. Returning all candidates in the case of no matches lets pip report the hash of the candidate that would otherwise have been installed (e.g. permitting the user to more easily update their requirements file with the desired hash). zJGiven no hashes to check %s links for project %r: discarding no candidatesr )r� re zdiscarding no candidatesz discarding {} non-matches: {}z c s s | ]}t |j�V qd S rg )r8 r- )rk rD r+ r+ r< rm g rn z*filter_unallowed_hashes.<locals>.<genexpr>zPChecked %s links for project %r against %s hashes (%s matches, %s no digest): %s) r4 r5 �len�listr- �has_hash�is_hash_allowed�append�formatr6 � digest_count) r� r� rQ �matches_or_no_digest� non_matches� match_countrD r- �filtered�discard_messager+ r+ r< �filter_unallowed_hashes. sL � � � r� c @ s* e Zd ZU dZdZded< dZded< dS )�CandidatePreferenceszk Encapsulates some of the preferences for filtering and sorting InstallationCandidate objects. Fr, � prefer_binaryN�ReleaseControl | None�release_control)r? r@ rA r� r� �__annotations__r� r+ r+ r+ r< r� x s r� T)�frozenc @ s8 e Zd ZU dZded< ded< ded< dd�d d �Zd S ) r) a� A collection of candidates, returned by `PackageFinder.find_best_candidate`. This class is only intended to be instantiated by CandidateEvaluator's `compute_best_candidate()` method. :param all_candidates: A sequence of all available candidates found. :param applicable_candidates: The applicable candidates. :param best_candidate: The most preferred candidate found, or None if no applicable candidates were found. r� �all_candidates�applicable_candidates� InstallationCandidate | None�best_candidaterP �r0 c C sB t | j�t | j�ksJ �| jd u r.| jr>J �n| j| jv s>J �d S rg )�setr� r� r� �r] r+ r+ r< � __post_init__� s z!BestCandidateResult.__post_init__N)r? r@ rA r� r� r� r+ r+ r+ r< r) � s r) c @ s� e Zd ZdZed"dddddd d d �d d ��Zd#dd dddd dd�dd�Zddd�dd�Zddd�dd�Zdd d�d d �Z dd d�d d!�Z dS )$�CandidateEvaluatorzm Responsible for filtering and sorting candidates for installation based on what tags are valid. NFr8 �TargetPython | Noner, r� � specifiers.BaseSpecifier | Noner� )rQ rT r� r� � specifierr� r0 c C s: |du rt � }|du r t�� }|�� }| ||||||d�S )a� Create a CandidateEvaluator object. :param target_python: The target Python interpreter to use when checking compatibility. If None (the default), a TargetPython object will be constructed from the running Python. :param specifier: An optional object implementing `filter` (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable versions. :param hashes: An optional collection of allowed hashes. N)rQ r� r� r� r� r� )r r r� �get_sorted_tags)�clsrQ rT r� r� r� r� r� r+ r+ r< �create� s �zCandidateEvaluator.createz list[Tag]zspecifiers.BaseSpecifierrP )rQ r� r� r� r� r� r0 c C s< || _ || _|| _|| _|| _|| _dd� t|�D �| _dS )z� :param supported_tags: The PEP 425 tags supported by the target Python in order of preference (most preferred first). c S s i | ]\}}||�qS r+ r+ )rk �idx�tagr+ r+ r< � <dictcomp>� s z/CandidateEvaluator.__init__.<locals>.<dictcomp>N)�_release_control�_hashes�_prefer_binary� _project_name� _specifier�_supported_tags� enumerate�_wheel_tag_preferences)r] rQ r� r� r� r� r� r+ r+ r< r^ � s �zCandidateEvaluator.__init__r� )r� r0 c s� | j dur | j �t| j��}nd}| j}t� jdkrDdd� |D �}ndd� |D �}t|jdd� |D �|d��� � fd d�|D �}t || j | jd �}t || j d �S ) zM Return the applicable candidates from a list of candidates. N� pkg_resourcesc S s g | ]}|t |j�f�qS r+ �r8 r; �rk �cr+ r+ r< � <listcomp>� rn z@CandidateEvaluator.get_applicable_candidates.<locals>.<listcomp>c S s g | ]}||j f�qS r+ �r; r� r+ r+ r< r� � rn c s s | ]\}}|V qd S rg r+ )rk �_rf r+ r+ r< rm rn z?CandidateEvaluator.get_applicable_candidates.<locals>.<genexpr>)� prereleasesc s g | ]\}}|� v r|�qS r+ r+ )rk r� rf ��versionsr+ r< r� rn )r� r� rQ rs ) r� �allows_prereleasesr r� r� r �NAMEr� �filterr� r� r� � _sort_key)r] r� �allow_prereleasesr� �candidates_and_versionsr� � filtered_applicable_candidatesr+ r� r< �get_applicable_candidates� s. � � ���z,CandidateEvaluator.get_applicable_candidatesr �CandidateSortingKey�rD r0 c C s� | j }t|�}d}d}|j}|jrvt|j�}z|�|| j� }W n" tyb t |j� d���Y n0 | j rnd}|j }n| }t |� | j��} dt |j� } | | ||j||fS )a) Function to pass as the `key` argument to a call to sorted() to sort InstallationCandidates by preference. Returns a tuple such that tuples sorting as greater using Python's default comparison operator are more preferred. The preference is as follows: First and foremost, candidates with allowed (matching) hashes are always preferred over candidates without matching hashes. This is because e.g. if the only candidate with an allowed hash is yanked, we still want to use that candidate. Second, excepting hash considerations, candidates that have been yanked (in the sense of PEP 592) are always less preferred than candidates that haven't been yanked. Then: If not finding wheels, they are sorted by version only. If finding wheels, then the sort order is by version, then: 1. existing installs 2. wheels ordered via Wheel.support_index_min(self._supported_tags) 3. source archives If prefer_binary was set, then all wheels are sorted above sources. Note: it was considered to embed this logic into the Link comparison operators, but then different sdist links with the same version, would have to be considered equal r+ r z@ is not a supported wheel for this platform. It can't be sorted.re ���)r� r� r- �is_wheelr r{ �find_most_preferred_tagr� � ValueErrorr r� � build_tagri r� r� ru r; ) r] rD � valid_tags� support_numr� �binary_preferencer- r� �pri�has_allowed_hash� yank_valuer+ r+ r< r� s: �� � �z CandidateEvaluator._sort_keyr� c C s |sdS t || jd�}|S )zy Return the best candidate per the instance's sort order, or None if no candidate is acceptable. Nrs )�maxr� )r] r� r� r+ r+ r< �sort_best_candidateO s z&CandidateEvaluator.sort_best_candidater) c C s" | � |�}| �|�}t|||d�S )zF Compute and return a `BestCandidateResult` instance. )r� r� )r� r� r) )r] r� r� r� r+ r+ r< �compute_best_candidate\ s �z)CandidateEvaluator.compute_best_candidate)NFNNN)FNN) r? r@ rA r� � classmethodr� r^ r� r� r� r� r+ r+ r+ r< r� � s � ( � -A r� c @ s e Zd ZdZdbddddddd d d �d d �Zedcdddd d d�dd��Zedd�dd��Zedd�dd��Z e j dd d�dd��Z edd�d d ��Z edd�d d ��Z ed d�d!d"��Z ed#d�d$d%��Zed d�d&d'��Zed d�d(d)��Zed*d�d+d,��Zd-d d.�d/d0�Zedd�d1d2��Zd d�d3d4�Zed d�d5d6��Zdd�d7d8�Zd9d:d;�d<d=�Zd>d?d@�dAdB�ZdCdDd9d dE�dFdG�Zd:dCdHdI�dJdK�Zd:d>dLdM�dNdO�ZdCd:dLdP�dQdR�Z d9dLd;�dSdT�Z ddd9dUdVdWdX�dYdZ�Z ded9dUdVd[dX�d\d]�Z d^ddHd_�d`da�Z dS )fr* z�This finds packages. This is meant to match easy_install's technique for looking for packages, by reading pages and looking for appropriate links. Nr r r, zFormatControl | NonezCandidatePreferences | NonerN rO rP )�link_collectorrT rU �format_control�candidate_prefsr/ rV r0 c C sb |du rt � }|p tt� t� �}|| _|| _|| _|| _|| _|| _|| _ t� | _ i | _ i | _ dS )a� This constructor is primarily meant to be used by the create() class method and from tests. :param format_control: A FormatControl object, used to control the selection of source packages / binary packages when consulting the index and links. :param candidate_prefs: Options to use when creating a CandidateEvaluator object. N) r� r r� rW �_candidate_prefsrY �_link_collectorr[ r\ r� � _logged_links�_all_candidates�_best_candidates)r] r� rT rU r� r� r/ rV r+ r+ r< r^ u s �zPackageFinder.__init__r r� )r� �selection_prefsrT rV r0 c C s: |du rt � }t|j|jd�}| ||||j|j|j|d�S )a� Create a PackageFinder. :param selection_prefs: The candidate selection preferences, as a SelectionPreferences object. :param target_python: The target Python interpreter to use when checking compatibility. If None (the default), a TargetPython object will be constructed from the running Python. :param uploaded_prior_to: If set, only find links uploaded prior to the given datetime. N)r� r� )r� r� rT rU r� r/ rV )r r� r� r� rU r� r/ )r� r� r� rT rV r� r+ r+ r< r� � s ��zPackageFinder.creater� c C s | j S rg )r[ r� r+ r+ r< rT � s zPackageFinder.target_pythonr c C s | j jS rg �r� � search_scoper� r+ r+ r< r� � s zPackageFinder.search_scope)r� r0 c C s || j _d S rg r� )r] r� r+ r+ r< r� � s z list[str]c C s | j jS rg )r� � find_linksr� r+ r+ r< r� � s zPackageFinder.find_linksc C s | j jS rg )r� � index_urlsr� r+ r+ r< r� � s zPackageFinder.index_urls� str | Nonec C s | j jjS rg )r� �session� pip_proxyr� r+ r+ r< �proxy� s zPackageFinder.proxyz Iterable[str]c c s | j jjD ]}t|� V q d S rg )r� r� �pip_trusted_originsr% )r] � host_portr+ r+ r< � trusted_hosts� s zPackageFinder.trusted_hostsc C s | j jj}t|t�r|S d S rg )r� r� �verify� isinstancer8 )r] r� r+ r+ r< � custom_cert� s zPackageFinder.custom_certc C s | j jj}t|t�r J d��|S )Nz"pip only supports PEM client certs)r� r� �certr ro )r] r r+ r+ r< � client_cert� s zPackageFinder.client_certr� c C s | j jS rg �r� r� r� r+ r+ r< r� � s z PackageFinder.release_controlr )r� r0 c C s || j _d S rg r )r] r� r+ r+ r< �set_release_control� s z!PackageFinder.set_release_controlc C s | j jS rg �r� r� r� r+ r+ r< r� � s zPackageFinder.prefer_binaryc C s d| j _d S )NTr r� r+ r+ r< �set_prefer_binary� s z PackageFinder.set_prefer_binaryc C s | j S rg )r\ r� r+ r+ r< rV s z PackageFinder.uploaded_prior_toc C s dd� | j D �}t|�S )Nc S s h | ]\}}}|t jkr|�qS r+ )r> rJ )rk r� �result�detailr+ r+ r< � <setcomp> s �z@PackageFinder.requires_python_skipped_reasons.<locals>.<setcomp>)r� r� )r] �reasonsr+ r+ r< � requires_python_skipped_reasons s �z-PackageFinder.requires_python_skipped_reasonsr8 rM )rQ r0 c C s2 t |�}| j�|�}t|||| j| j| j| jd�S )N)rQ rR rS rT rU r/ rV )r r� �get_allowed_formatsrM r[ rW rY r\ )r] rQ rR rS r+ r+ r< �make_link_evaluator s �z!PackageFinder.make_link_evaluatorzIterable[Link]z list[Link])�linksr0 c C sP g g }}t � }|D ]2}||vr|�|� |jr<|�|� q|�|� q|| S )z� Returns elements of links in order, non-egg links first, egg links second, while eliminating duplicates )r� �addrw r� )r] r �eggs�no_eggs�seenr- r+ r+ r< � _sort_links s zPackageFinder._sort_linksr r> )r- r r r0 c C s2 |||f}|| j vr.t�d||� | j �|� d S )NzSkipping link: %s: %s)r� r4 r5 r )r] r- r r �entryr+ r+ r< �_log_skipped_link, s z PackageFinder._log_skipped_linkr� )�link_evaluatorr- r0 c C sh |� |�\}}|tjkr t|��|tjkr<| �|||� dS zt|j||d�W S tyb Y dS 0 dS )z� If the link is a candidate for install, convert it to an InstallationCandidate and return it. Otherwise, return None. N)r| r- r; ) r� r> rL r rD r r rQ r )r] r r- r r r+ r+ r< �get_install_candidate4 s � z#PackageFinder.get_install_candidater� )r r r0 c C s6 g }| � |�D ]"}| �||�}|dur|�|� q|S )zU Convert links that are candidates to InstallationCandidate objects. N)r r r� )r] r r r� r- rD r+ r+ r< �evaluate_linksM s z PackageFinder.evaluate_links)� project_urlr r0 c C sh t �d|� | j�|�}|d u r$g S tt|��}t� � | j||d�}W d � n1 sZ0 Y |S )Nz-Fetching project page and analyzing links: %s)r )r4 r5 r� �fetch_responser� r r$ r )r] r r �index_response� page_links� package_linksr+ r+ r< �process_project_url[ s � �$z!PackageFinder.process_project_urlc C s || j v r| j | S | �|�}| jj|tj| j|d�d�}tj� dd� |D ��}t |�}tj� dd� |D ��}| � |t |dd��}t �tj�r�|r�g }|D ]D} | jjs�J �z|�| jj� W q� ty� |�| jj� Y q�0 q�t �dd �|�� || | j |< | j | S ) a Find all available InstallationCandidate for project_name This checks index_urls and find_links. All versions found are returned as an InstallationCandidate list. See LinkEvaluator.evaluate_link() for details on which files are accepted. )r )rQ �candidates_from_pagec s s( | ] }|D ]}|d ur |� � V q qd S rg )�page_candidates�rk �sourcesrd r+ r+ r< rm � s �z4PackageFinder.find_all_candidates.<locals>.<genexpr>c s s( | ] }|D ]}|d ur |� � V q qd S rg )� file_linksr" r+ r+ r< rm � s �T)�reversezLocal files found: %srb )r� r r� �collect_sources� functools�partialr � itertools�chain� from_iterabler� r r� r4 � isEnabledFor�logging�DEBUGr- �urlr� � file_path� Exceptionr5 r6 ) r] rQ r �collected_sources�page_candidates_itr! � file_links_it�file_candidates�pathsrD r+ r+ r< �find_all_candidatesp s@ �� � � � z!PackageFinder.find_all_candidatesr� r� r� )rQ r� r� r0 c C s" | j }tj|| j|j|j||d�S )z*Create a CandidateEvaluator object to use.)rQ rT r� r� r� r� )r� r� r� r[ r� r� )r] rQ r� r� r� r+ r+ r< �make_candidate_evaluator� s �z&PackageFinder.make_candidate_evaluatorr) c C s` |||f| j v r | j |||f S | �|�}| j|||d�}|�|�| j |||f< | j |||f S )a Find matches for the given project and specifier. :param specifier: An optional object implementing `filter` (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable versions. :return: A `BestCandidateResult` instance. )rQ r� r� )r� r7 r8 r� )r] rQ r� r� r� �candidate_evaluatorr+ r+ r< �find_best_candidate� s ��z!PackageFinder.find_best_candidater )�req�upgrader0 c sN |j }|dusJ d��|jdd�}| j||j|d�}|j� d�|jdurP|jj�ddd�d d �}�du r�� du r�d }| jdur�| j�t |��}|du r�d }t � d ||||j �� t d|� ���ddd�� �fdd� } |�s�du�r| � �r�t �d�� j� n t �d�� dS | � ��r2t �d� j||j�� � S t �d�||j�� t�dS )z�Try to find a Link matching req Expects req, an InstallRequirement and upgrade, a boolean Returns a InstallationCandidate if found, Raises DistributionNotFound or BestVersionAlreadyInstalled otherwise Nz&find_requirement() called with no nameF)�trust_internet)r� r� z Iterable[InstallationCandidate]r8 )� cand_iterr0 c S s d� tdd� | D �td��p dS )Nrb c S s h | ]}t |j��qS r+ r� r� r+ r+ r< r � rn zKPackageFinder.find_requirement.<locals>._format_versions.<locals>.<setcomp>rs �none)r6 r� � parse_version)r> r+ r+ r< �_format_versions� s ���z8PackageFinder.find_requirement.<locals>._format_versionsr; z final versionzICould not find a %s that satisfies the requirement %s (from versions: %s)z#No matching distribution found for r� z TypeGuard[InstallationCandidate]r� c s" �d u r dS � d u rdS � j �kS )NTFr� )rD �r� �installed_versionr+ r< �_should_install_candidate s zAPackageFinder.find_requirement.<locals>._should_install_candidatezUExisting installed version (%s) satisfies requirement (most up-to-date version is %s)zLExisting installed version (%s) is most up-to-date and satisfies requirementz)Using version %s (newest of versions: %s)z=Installed version (%s) is most up-to-date (past versions: %s))r| r� r: r� r� � satisfied_byr; r� r� r r4 �criticalr� r r5 r� r ) r] r; r< r| r� �best_candidate_resultrA Z version_typeZ allows_prerD r+ rB r< �find_requirement� sl � �� �� ��z PackageFinder.find_requirement)NNNN)NN)NN)NN)!r? r@ rA r� r^ r� r� �propertyrT r� �setterr� r� r� r� r r r� r r� r rV r r r r r r r r7 r8 r: rH r+ r+ r+ r< r* n sf � 0 �#< � � r* ri )�fragmentrR r0 c C sN t | �D ].\}}|dkrqt| d|� �|kr| S qt| � d|� ���dS )a� Find the separator's index based on the package's canonical name. :param fragment: A <package>+<version> filename "fragment" (stem) or egg fragment. :param canonical_name: The package's canonical name. This function is needed since the canonicalized name does not necessarily have the same length as the egg info's name part. An example:: >>> fragment = 'foo__bar-1.0' >>> canonical_name = 'foo-bar' >>> _find_name_version_sep(fragment, canonical_name) 8 �-Nz does not match )r� r r� )rK rR �ir� r+ r+ r< �_find_name_version_sep< s rN r� c C s@ zt | |�d }W n ty& Y dS 0 | |d� }|s<dS |S )z�Parse the version string from a <package>+<version> filename "fragment" (stem) or egg fragment. :param fragment: The string to parse. E.g. foo-2.1 :param canonical_name: The canonicalized name of the package this belongs to. re N)rN r� )rK rR � version_startr; r+ r+ r< r� V s r� )F)^r� � __future__r �datetimerB r' r) r- r� �collections.abcr � dataclassesr �typingr r r Zpip._vendor.packagingr Zpip._vendor.packaging.tagsr Zpip._vendor.packaging.utilsr r � pip._vendor.packaging.versionr r r r r@ �pip._internal.exceptionsr r r r r � pip._internal.index.collectorr r �pip._internal.metadatar � pip._internal.models.candidater �#pip._internal.models.format_controlr �pip._internal.models.linkr Z$pip._internal.models.release_controlr �!pip._internal.models.search_scoper �$pip._internal.models.selection_prefsr �"pip._internal.models.target_pythonr �pip._internal.models.wheelr �pip._internal.reqr �pip._internal.utils._logr! � pip._internal.utils.filetypesr" �pip._internal.utils.hashesr# �pip._internal.utils.loggingr$ �pip._internal.utils.miscr% � pip._internal.utils.packagingr& � pip._internal.utils.unpackingr' Ztyping_extensionsr( �__all__r? r4 ro ri r8 �BuildTagr� r= �Enumr> rM r� r� r) r� r* rN r� r+ r+ r+ r< �<module> st �/ 5J R Q
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