Edit File: metadata.cpython-36.pyc
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Supports all metadata formats (1.0, 1.1, 1.2, and 2.0 experimental). � )�unicode_literalsN)�message_from_file� )�DistlibException� __version__)�StringIO� string_types� text_type)� interpret)�extract_by_key� get_extras)� get_scheme�PEP440_VERSION_REc @ s e Zd ZdZdS )�MetadataMissingErrorz A required metadata is missingN)�__name__� __module__� __qualname__�__doc__� r r � /usr/lib/python3.6/metadata.pyr s r c @ s e Zd ZdZdS )�MetadataConflictErrorz>Attempt to read or write metadata fields that are conflictual.N)r r r r r r r r r s r c @ s e Zd ZdZdS )� MetadataUnrecognizedVersionErrorz Unknown metadata version number.N)r r r r r r r r r $ s r c @ s e Zd ZdZdS )�MetadataInvalidErrorzA metadata value is invalidN)r r r r r r r r r ( s r �Metadata�PKG_INFO_ENCODING�PKG_INFO_PREFERRED_VERSIONzutf-8z1.1z \|z �Metadata-Version�Name�Version�Platform�Summary� Description�Keywords� Home-page�Author� Author-email�License�Supported-Platform� Classifier� Download-URL� Obsoletes�Provides�Requires� Maintainer�Maintainer-email�Obsoletes-Dist� Project-URL� Provides-Dist� Requires-Dist�Requires-Python�Requires-External�Private-Version� Obsoleted-By�Setup-Requires-Dist� Extension�Provides-Extraz"extra\s*==\s*("([^"]+)"|'([^']+)')c C s< | dkr t S | dkrtS | dkr$tS | dkr0tS t| ��d S )Nz1.0z1.1z1.2z2.0)� _241_FIELDS� _314_FIELDS� _345_FIELDS� _426_FIELDSr )�versionr r r �_version2fieldlistg s r? c C s� dd� }g }x.| j � D ]"\}}|g ddfkr.q|j|� qW ddddg}xt|D ]l}|tkrld|krl|jd� |tkr�d|kr�|jd� |tkr�d|kr�|jd� |tkrNd|krN|jd� qNW t|�d kr�|d S t|�d kr�td ��d|ko�||t �}d|k�o ||t �}d|k�o ||t �}t |�t |� t |� d k�rFtd ��| �rl| �rl| �rlt |k�rlt S |�rvdS |�r�dS dS ) z5Detect the best version depending on the fields used.c S s x|D ]}|| krdS qW dS )NTFr )�keys�markers�markerr r r � _has_markeru s z"_best_version.<locals>._has_marker�UNKNOWNNz1.0z1.1z1.2z2.0r r zUnknown metadata setz(You used incompatible 1.1/1.2/2.0 fields)�items�appendr: �remover; r< r= �lenr � _314_MARKERS� _345_MARKERS� _426_MARKERS�intr ) �fieldsrC r@ �key�valueZpossible_versionsZis_1_1Zis_1_2Zis_2_0r r r � _best_versions sB rP ) �metadata_version�namer> �platformZsupported_platform�summary� description�keywords� home_page�author� author_email� maintainer�maintainer_email�license� classifier� download_url�obsoletes_dist� provides_dist� requires_dist�setup_requires_dist�requires_python�requires_external�requires�provides� obsoletes� project_urlZprivate_versionZ obsoleted_by� extensionZprovides_extraz[^A-Za-z0-9.]+Fc C s0 |r$t jd| �} t jd|jdd��}d| |f S )zhReturn the distribution name with version. If for_filename is true, return a filename-escaped form.�-� �.z%s-%s)� _FILESAFE�sub�replace)rR r> Z for_filenamer r r �_get_name_and_version� s rp c @ s e Zd ZdZd?dd�Zdd� Zdd � Zd d � Zd d � Zdd� Z dd� Z dd� Z dd� Z dd� Z dd� Zd@dd �Zd d � Zd d � Zd!d"� Zd#d$� ZdAd%d&�ZdBd'd(�ZdCd)d*�Zd+d,� Zefd-d.�ZdDd/d0�ZdEd1d2�Zd3d4� Z d5d6� Z d7d8� Z d9d:� Z d;d<� Z d=d>� Z!dS )F�LegacyMetadataaa The legacy metadata of a release. Supports versions 1.0, 1.1 and 1.2 (auto-detected). You can instantiate the class with one of these arguments (or none): - *path*, the path to a metadata file - *fileobj* give a file-like object with metadata as content - *mapping* is a dict-like object - *scheme* is a version scheme name N�defaultc C sz |||gj d �dk r td��i | _g | _d | _|| _|d k rH| j|� n.|d k r\| j|� n|d k rv| j|� | j � d S )N� z'path, fileobj and mapping are exclusive) �count� TypeError�_fieldsZrequires_filesZ _dependencies�scheme�read� read_file�update�set_metadata_version)�self�path�fileobj�mappingrw r r r �__init__� s zLegacyMetadata.__init__c C s t | j�| jd< d S )NzMetadata-Version)rP rv )r| r r r r{ s z#LegacyMetadata.set_metadata_versionc C s |j d||f � d S )Nz%s: %s )�write)r| r~ rR rO r r r � _write_field s zLegacyMetadata._write_fieldc C s | j |�S )N)�get)r| rR r r r � __getitem__ s zLegacyMetadata.__getitem__c C s | j ||�S )N)�set)r| rR rO r r r � __setitem__ s zLegacyMetadata.__setitem__c C s8 | j |�}y | j|= W n tk r2 t|��Y nX d S )N)� _convert_namerv �KeyError)r| rR � field_namer r r � __delitem__ s zLegacyMetadata.__delitem__c C s || j kp| j|�| j kS )N)rv r� )r| rR r r r � __contains__ s zLegacyMetadata.__contains__c C s( |t kr |S |jdd�j� }tj||�S )Nrj �_)� _ALL_FIELDSro �lower� _ATTR2FIELDr� )r| rR r r r r� s z LegacyMetadata._convert_namec C s |t ks|tkrg S dS )NrD )� _LISTFIELDS�_ELEMENTSFIELD)r| rR r r r �_default_value% s z LegacyMetadata._default_valuec C s& | j dkrtjd|�S tjd|�S d S )N�1.0�1.1� )r� r� )rQ �_LINE_PREFIX_PRE_1_2rn �_LINE_PREFIX_1_2)r| rO r r r �_remove_line_prefix* s z"LegacyMetadata._remove_line_prefixc C s |t kr| | S t|��d S )N)r� �AttributeError)r| rR r r r � __getattr__0 s zLegacyMetadata.__getattr__Fc C s t | d | d |�S )zhReturn the distribution name with version. If filesafe is true, return a filename-escaped form.r r )rp )r| Zfilesafer r r � get_fullname; s zLegacyMetadata.get_fullnamec C s | j |�}|tkS )z+return True if name is a valid metadata key)r� r� )r| rR r r r �is_fieldA s zLegacyMetadata.is_fieldc C s | j |�}|tkS )N)r� r� )r| rR r r r �is_multi_fieldF s z LegacyMetadata.is_multi_fieldc C s. t j|ddd�}z| j|� W d|j� X dS )z*Read the metadata values from a file path.�rzutf-8)�encodingN)�codecs�openry �close)r| �filepath�fpr r r rx J s zLegacyMetadata.readc C s� t |�}|d | jd< xxtD ]p}||kr*q |tkrh|j|�}|tkrZ|dk rZdd� |D �}| j||� q || }|dk r |dkr | j||� q W | j� dS )z,Read the metadata values from a file object.zmetadata-versionzMetadata-VersionNc S s g | ]}t |jd ���qS )�,)�tuple�split)�.0rO r r r � <listcomp>_ s z,LegacyMetadata.read_file.<locals>.<listcomp>rD )r rv r� r� Zget_all�_LISTTUPLEFIELDSr� r{ )r| Zfileob�msg�field�valuesrO r r r ry R s zLegacyMetadata.read_filec C s0 t j|ddd�}z| j||� W d|j� X dS )z&Write the metadata fields to filepath.�wzutf-8)r� N)r� r� � write_filer� )r| r� � skip_unknownr� r r r r� h s zLegacyMetadata.writec C s� | j � x�t| d �D ]�}| j|�}|r:|dg dgfkr:q|tkrX| j||dj|�� q|tkr�|dkr�| jd kr�|jdd�}n |jdd �}|g}|t kr�d d � |D �}x|D ]}| j|||� q�W qW d S )z0Write the PKG-INFO format data to a file object.zMetadata-VersionrD r� r! �1.0�1.1r� z z |c S s g | ]}d j |��qS )r� )�join)r� rO r r r r� � s z-LegacyMetadata.write_file.<locals>.<listcomp>N)r� r� ) r{ r? r� r� r� r� r� rQ ro r� )r| Z fileobjectr� r� r� rO r r r r� p s$ zLegacyMetadata.write_filec s� � fdd�}|snHt |d�r>x<|j� D ]}|||| � q&W n x|D ]\}}|||� qDW |r~x |j� D ]\}}|||� qhW dS )a� Set metadata values from the given iterable `other` and kwargs. Behavior is like `dict.update`: If `other` has a ``keys`` method, they are looped over and ``self[key]`` is assigned ``other[key]``. Else, ``other`` is an iterable of ``(key, value)`` iterables. Keys that don't match a metadata field or that have an empty value are dropped. c s" | t kr |r � j� j| �|� d S )N)r� r� r� )rN rO )r| r r �_set� s z#LegacyMetadata.update.<locals>._setr@ N)�hasattrr@ rE )r| �other�kwargsr� �k�vr )r| r rz � s zLegacyMetadata.updatec C sn | j |�}|tks|dkrPt|ttf� rPt|t�rJdd� |jd�D �}q~g }n.|tkr~t|ttf� r~t|t�rz|g}ng }tj t j ��rB| d }t | j �}|tkr�|dk r�x�|D ](}|j|jd�d �s�tjd |||� q�W n`|tko�|dk �r|j|��sBtjd |||� n0|tk�rB|dk �rB|j|��sBtjd |||� |tk�r`|d k�r`| j|�}|| j|< dS ) z"Control then set a metadata field.r c S s g | ] }|j � �qS r )�strip)r� r� r r r r� � s z&LegacyMetadata.set.<locals>.<listcomp>r� r N�;r z$'%s': '%s' is not valid (field '%s')z.'%s': '%s' is not a valid version (field '%s')r! )r� r� � isinstance�listr� r r� r� �loggerZ isEnabledFor�loggingZWARNINGr rw �_PREDICATE_FIELDS�is_valid_matcher�warning�_VERSIONS_FIELDS�is_valid_constraint_list�_VERSION_FIELDS�is_valid_version�_UNICODEFIELDSr� rv )r| rR rO Z project_namerw r� r r r r� � s@ zLegacyMetadata.setc C s� | j |�}|| jkr*|tkr&| j|�}|S |tkr@| j| }|S |tkr�| j| }|dkr^g S g }x6|D ].}|tkr�|j|� qh|j|d |d f� qhW |S |tkr�| j| }t |t �r�|j d�S | j| S )zGet a metadata field.Nr r r� ) r� rv �_MISSINGr� r� r� r� rF r� r� r r� )r| rR rr rO �res�valr r r r� � s. zLegacyMetadata.getc s | j � g g }}x d D ]}|| kr|j|� qW |rT|g krTddj|� }t|��x dD ]}|| krZ|j|� qZW | d dkr�||fS t| j�� � fd d �}xdt|ft� jft � j ffD ]F\}}x<|D ]4} | j | d �} | d k o�|| � r�|jd | | f � q�W q�W ||fS )zkCheck if the metadata is compliant. If strict is True then raise if no Name or Version are providedr r z missing required metadata: %sz, � Home-pager$ zMetadata-Versionz1.2c s* x$| D ] }� j |jd�d �sdS qW dS )Nr� r FT)r� r� )rO r� )rw r r �are_valid_constraints s z3LegacyMetadata.check.<locals>.are_valid_constraintsNzWrong value for '%s': %s)r r )r� r$ ) r{ rF r� r r rw r� r� r� r� r� r� ) r| �strict�missing�warnings�attrr� r� rM Z controllerr� rO r )rw r �check� s2 zLegacyMetadata.checkc C s� | j � dB}i }x,|D ]$\}}| s.|| jkr| | ||< qW | d dk� r�dK}x�|D ]F\}}| sn|| jkrV|d&k� r�| | ||< qVd,d-� | | D �||< qVW nF| d d.k� r�dO}x2|D ]*\}}| � s�|| jk� r�| | ||< � q�W |S )Pz�Return fields as a dict. Field names will be converted to use the underscore-lowercase style instead of hyphen-mixed case (i.e. home_page instead of Home-page). rQ �Metadata-VersionrR r r> r rT r rW � Home-pagerX r$ rY � Author-emailr\ r& rU r! rV r" rS r � classifiersr( r^ � Download-URLz1.2ra � Requires-Distrc �Requires-Pythonrd �Requires-Externalr` � Provides-Distr_ �Obsoletes-Distrh � Project-URLrZ r- r[ �Maintainer-emailc S s g | ]}d j |��qS )r� )r� )r� �ur r r r� G s z)LegacyMetadata.todict.<locals>.<listcomp>z1.1rf r+ re r, rg r* �rQ r� �rR r �r> r �rT r �rW r� �rX r$ �rY r� �r\ r& �rU r! �rV r" �rS r �r� r( �r^ r� ) r� r� r� r� r� r� r� r� r� r� r� r� r� �ra r� �rc r� �rd r� �r` r� �r_ r� �rh r� �rZ r- �r[ r� )r� r� r� r� r� r� r� r� �rf r+ �re r, �rg r* )r� r� r� )r{ rv )r| Z skip_missingZ mapping_1_0�datarN r� Z mapping_1_2Z mapping_1_1r r r �todict sP zLegacyMetadata.todictc C s< | d dkr(xdD ]}|| kr| |= qW | d |7 < d S )NzMetadata-Versionz1.1r* r, r+ z Requires-Dist)r* r, r+ r )r| � requirementsr� r r r �add_requirementsU s z LegacyMetadata.add_requirementsc C s t t| d ��S )NzMetadata-Version)r� r? )r| r r r r@ ` s zLegacyMetadata.keysc c s x| j � D ] }|V q W d S )N)r@ )r| rN r r r �__iter__c s zLegacyMetadata.__iter__c s � fdd�� j � D �S )Nc s g | ] }� | �qS r r )r� rN )r| r r r� h s z)LegacyMetadata.values.<locals>.<listcomp>)r@ )r| r )r| r r� g s zLegacyMetadata.valuesc s � fdd�� j � D �S )Nc s g | ]}|� | f�qS r r )r� rN )r| r r r� k s z(LegacyMetadata.items.<locals>.<listcomp>)r@ )r| r )r| r rE j s zLegacyMetadata.itemsc C s d| j j| j| jf S )Nz <%s %s %s>)� __class__r rR r> )r| r r r �__repr__m s zLegacyMetadata.__repr__)NNNrr )F)F)F)N)F)F)"r r r r r� r{ r� r� r� r� r� r� r� r� r� r� r� r� rx ry r� r� rz r� r� r� r� r� r� r@ r� r� rE r� r r r r rq � s> , , ; rq z pydist.jsonz metadata.jsonc @ s� e Zd ZdZejd�Zejdej�Ze Z ejd�Z dZ de Zf f dId�Zd Zd Zef fedJfe dKfe dLfd �ZdMZdNdd�ZedO�ZdefZdefZdefdefeeedefeeeedefdPdQd � Z[[d d � Z dRd!d"�Z d#d$� Z e d%d&� �Z e d'd(� �Z!e!j"d)d(� �Z!dSd*d+�Z#e d,d-� �Z$e d.d/� �Z%e%j"d0d/� �Z%d1d2� Z&d3d4� Z'd5d6� Z(d7d8� Z)d9d:d;d<d=dd>�Z*d?d@� Z+dTdCdD�Z,dEdF� Z-dGdH� Z.dS )Ur z� The metadata of a release. This implementation uses 2.0 (JSON) metadata where possible. If not possible, it wraps a LegacyMetadata instance which handles the key-value metadata format. z ^\d+(\.\d+)*$z!^[0-9A-Z]([0-9A-Z_.-]*[0-9A-Z])?$z .{1,2047}z2.0z distlib (%s)�legacy)rR r> rT zqname version license summary description author author_email keywords platform home_page classifiers download_urlzwextras run_requires test_requires build_requires dev_requires provides meta_requires obsoleted_by supports_environments)rQ rR r> rT �_legacy�_datarw Nrr c C s0 |||gj d �dk r td��d | _d | _|| _|d k rzy| j||� || _W n* tk rv t||d�| _| j� Y nX n�d }|r�t |d��}|j � }W d Q R X n |r�|j � }|d kr�| j | j d�| _ndt |t�s�|jd�}y tj|�| _| j| j|� W n0 tk �r* tt|�|d�| _| j� Y nX d S )Nrs z'path, fileobj and mapping are exclusive)r rw �rb)rQ � generatorzutf-8)r~ rw )rt ru r� r rw �_validate_mappingr rq �validater� rx �METADATA_VERSION� GENERATORr� r �decode�json�loads� ValueErrorr )r| r} r~ r rw r� �fr r r r� � s< zMetadata.__init__rR r> r\ rV rT z Requires-DistzSetup-Requires-DistzProvides-Extrar( � Download-URL�Metadata-Version) � run_requires�build_requires� dev_requiresZ test_requires� meta_requires�extras�modules� namespaces�exports�commandsr� Z source_urlrQ c C sZ t j| d�}t j| d�}||k�r || \}}| jr^|d krP|d krHd n|� }n | jj|�}n�|d krjd n|� }|d kr�| jj||�}n�t � }|}| jjd�} | �r |dkr�| jd |�}nR|dkr�| jd �} | r�| j||�}n.| jd �} | � s�| jjd �} | �r | j||�}||k�rV|}n:||k�r4t j| |�}n"| j�rJ| jj|�}n | jj|�}|S ) N� common_keys� mapped_keysr r r r r� � extensionszpython.commandszpython.detailszpython.exports)r r r r r� )�object�__getattribute__r� r� r ) r| rN �common�mapped�lkZmaker�resultrO �sentinel�dr r r r � sF zMetadata.__getattribute__c C sH || j krD| j | \}}|p | j|krD|j|�}|sDtd||f ��d S )Nz.'%s' is an invalid value for the '%s' property)�SYNTAX_VALIDATORSrw �matchr )r| rN rO rw �pattern� exclusions�mr r r �_validate_value s zMetadata._validate_valuec C s* | j ||� tj| d�}tj| d�}||kr�|| \}}| jrV|d krJt�|| j|< nf|d krj|| j|< nR| jjdi �}|dkr�||d < n2|dkr�|jd i �}|||< n|jd i �}|||< nh||kr�tj| ||� nP|d k�rt|t ��r|j � }|�r|j � }ng }| j�r || j|< n || j|< d S )Nr r r r r r r� r zpython.commandszpython.detailszpython.exportsrV )r r r r r� ) r' r r r� �NotImplementedErrorr � setdefault� __setattr__r� r r� r� )r| rN rO r r r r� r! r r r r* s> zMetadata.__setattr__c C s t | j| jd�S )NT)rp rR r> )r| r r r �name_and_version@ s zMetadata.name_and_versionc C sF | j r| j d }n| jjdg �}d| j| jf }||krB|j|� |S )Nz Provides-Distrf z%s (%s))r� r r) rR r> rF )r| r �sr r r rf D s zMetadata.providesc C s | j r|| j d< n || jd< d S )Nz Provides-Distrf )r� r )r| rO r r r rf O s c C s� | j r |}n�g }t|pg | j�}xl|D ]d}d|kr@d|kr@d}n8d|krNd}n|jd�|k}|rx|jd�}|rxt||�}|r&|j|d � q&W xNd D ]F}d| } | |kr�|j| � | jjd | g �}|j| j|||d �� q�W |S ) a� Base method to get dependencies, given a set of extras to satisfy and an optional environment context. :param reqts: A list of sometimes-wanted dependencies, perhaps dependent on extras and environment. :param extras: A list of optional components being requested. :param env: An optional environment for marker evaluation. �extra� environmentTre �build�dev�testz:%s:z %s_requires)r �env)r/ r0 r1 ) r� r r r� r �extendrG r �get_requirements) r| �reqtsr r2 r r! �includerB rN �er r r r4 V s0 zMetadata.get_requirementsc C s | j r| j� S | jS )N)r� � _from_legacyr )r| r r r � dictionary� s zMetadata.dictionaryc C s | j r t�nt| j| j�S d S )N)r� r( r r �DEPENDENCY_KEYS)r| r r r � dependencies� s zMetadata.dependenciesc C s | j r t�n | jj|� d S )N)r� r( r rz )r| rO r r r r; � s c C s� |j d�| jkrt� �g }x0| jj� D ]"\}}||kr&||kr&|j|� q&W |rfddj|� }t|��x"|j� D ]\}}| j|||� qpW d S )NrQ zMissing metadata items: %sz, ) r� r r �MANDATORY_KEYSrE rF r� r r' ) r| r rw r� rN r% r� r� r� r r r r � s zMetadata._validate_mappingc C sB | j r.| j jd�\}}|s |r>tjd||� n| j| j| j� d S )NTz#Metadata: missing: %s, warnings: %s)r� r� r� r� r r rw )r| r� r� r r r r � s zMetadata.validatec C s( | j r| j jd�S t| j| j�}|S d S )NT)r� r� r r � INDEX_KEYS)r| r r r r r� � s zMetadata.todictc C s� | j r| j st�| j| jd�}| j jd�}x2dD ]*}||kr2|dkrLd }n|}|| ||< q2W |jd g �}|d gkrzg }||d < d}x2|D ]*\}}||kr�|| r�d|| ig||< q�W | j|d< i }i } |S )N)rQ r TrR r> r\ rT rU r] r� r" � rV ra r rb r re rf )rR r> r\ rT rU r] �ra r �rb r )r? 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