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Y dS 0 dS )z9Returns true iff Python has TLS support, false otherwise.r NZHAS_TLSFT)�sslr � ImportError)r6 r r r � _pyhastlsl s r8 c s� | � dd�}| � dd�}|dkp(t�|�}|dk}|s:|rNt� sNt�td���| � dd�}|slt�td���|r�| �td �� t| ||d �� n |r�t | ||d �� n t j |d �� |r�d }nd }t � | � dd|��}| �td�||f � � j||d� |�r | �td�� � �� � �� � �� |�s,|�rF| �td�� t�� j� zt| � ||� W n8 t j�y� } z t�t�|���W Y d}~n d}~0 0 � fdd�} | S )z;build an smtp connection and return a function to send mail� smtps local_hostnames tlss starttlss smtpss/ can't use TLS: Python SSL support not installed� hosts+ smtp.host not configured - cannot send mails (using smtps) )�local_hostnamer )r; i� � s ports$ sending mail: smtp host %s, port %d )r r3 s (using starttls) s (verifying remote certificate) Nc s� z� � | ||�W S tjy^ } z4dd� |j�� D �}t�dd�|� ��W Y d }~n>d }~0 tjy� } z t�t � |���W Y d }~n d }~0 0 d S )Nc S s g | ] }|d �qS )r r )�.0�rr r r � <listcomp>� � z'_smtp.<locals>.send.<locals>.<listcomp>� ) �sendmailr ZSMTPRecipientsRefused� recipients�valuesr �Abort�joinr$ r � forcebytestr)�senderrC r+ �inst��sr r �send� s (z_smtp.<locals>.send)�configr Z parseboolr8 r rE r �noter0 r r r r Zgetport�connectZehlor r Zvalidatesocketr& � _smtp_loginr$ rG ) r r; Ztlsr Zsmtps�mailhostZ defaultport�mailportrI rL r rJ r �_smtpx sF & rS c C sz | � dd�}| � dd�}|rF|r,t�|�}n| �� }|durFt�|�}|rv|rv| �td�| � t�|�}|�||� dS )az A hook for the keyring extension to perform the actual SMTP login. 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The host and port to which the connection was established are provided for accessibility, since the SMTP object doesn't provide an accessor. ``smtplib.SMTPException`` is raised on error. r9 s usernames passwordNs& (authenticating to mail server as %s) )rM r � strfromlocalZgetpassrN r Zlogin)r ZsmtprQ rR �username�passwordr r r rP � s rP c C s� | � dd�}dd� }d|||�d�t||��f }| �td�| � t�|d�}|�t� |�� |� � }|r�t � d t j�t�|�d �t�|�f ��d S ) zsend mail using sendmail.� email� methodc S s t �t�t�| ���S r )r Z shellquoter �emailr � strtolocal)�xr r r �stremail� s z_sendmail.<locals>.stremails %s -f %s %s� s sending mail: %s � wbs %s %sr N)rM rF �maprN r r �popen�writer Z tonativeeol�closer rE �os�path�basenameZ shellsplitZ explainexit) r rH rC r+ Zprogramr\ Zcmdline�fp�retr r r � _sendmail� s& � ���rh c C sp t | d��R}t�dt�� �}|�dt�|�t�|�f � |�|� |�d� W d � n1 sb0 Y dS )zwrite mails to mboxs ab+z%a %b %d %H:%M:%S %Ys From %s %s s N)r �time�strftime� localtimera r rZ )�mboxrH rC r+ rf �dater r r �_mbox� s �� rn c sB � r t � d��� � fdd�S ��dd�dkr6t��S �fdd�S )znmake a mail connection. return a function to send mail. call as sendmail(sender, list-of-recipients, msg).r^ c s t � | ||�S r )rn �rK r> �m�rl r r �<lambda>� r@ zconnect.<locals>.<lambda>rW rX r9 c s t � | ||�S r )rh ro )r r r rr � r@ )r rb rM rS )r rl r )rl r r rO � s rO c C s t | |d�}||||�S )Nrq )rO )r rH rC r+ rl rL r r r rB � s rB c C sP | � dd�}|dkr0| � dd�sLt�td���n t�|�sLt�td�| ��dS )z=determine if we have enough config data to try sending email.rW rX r9 r: s> smtp specified as email transport, but no smtp host configureds0 %r specified as email transport, but not in PATHN)rM r rE r r Zfindexe)r �methodr r r �validateconfig� s �� �rt c C s: t j�| �j�� } | �d�r6| �d�s6d| dd� S | S )� Zisoziso-� N)rY �charset�CharsetZ input_charset�lower� startswith)�csr r r � codec2iana s r| �plainFc C sp ddt �tj�t �tj�g}|r&dg}|D ]8}z | �|� t| |t|��W S ty` Y q*0 q*t| |d�S )a2 Return MIME message suitable for a patch. Charset will be detected by first trying to decode as us-ascii, then utf-8, and finally the global encodings. If all those fail, fall back to ISO-8859-1, an encoding with that allows all byte sequences. Transfer encodings will be used if necessary.�us-ascii�utf-8z iso-8859-1)r �sysstrr �fallbackencoding�decode� mimetextqpr| �UnicodeDecodeError)rK �subtype�displayr{ rw r r r � mimetextpatch s � r� c C s\ t j�|�}t j�� }|�d| � | �� D ] }t|�dkr,t jj|_ qLq,|� | |� |S )z[Return MIME message. Quoted-printable transfer encoding will be used if necessary. ztext/i� ) rY rw rx �messageZMessageZset_type� splitlines�lenZQPZ body_encodingZ set_payload)�bodyr� rw r{ r+ �liner r r r� 3 s r� c C sb dd� | � dd�D �}t�tj�� �t�tj�� �dg}|D ]}||vr<|�|� q<dd� |D �S )z;Obtains charsets to send mail parts not containing patches.c S s g | ]}t �|�� ��qS r )r r� ry �r= r{ r r r r? 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A single element of input list may contain multiple addresses, but output always has one address per itemz %r unexpectedly not a bytestrc S s g | ]}|� � r|� � �qS r )�strip)r= �ar r r r? � r@ z"addrlistencode.<locals>.<listcomp>) r� r� r� r rT rY r� Z getaddressesr� ) r Zaddrsr� r� Zstraddrsr� �resultr� r� r> r r r �addrlistencode� s r� c C s$ d}|st | ||�\}}t|d|�S )zgcreates mime text object, encodes it if needed, and sets charset and transfer-encoding accordingly.r~ r} )r� r� r� r r r � mimeencode� s r� c C sD t j�� }tj| ddtd�d�} z|�| �W | �� S | �� 0 d S )Nr� �surrogateescape� )r �errors�newline)rY �parser�Parser�io� TextIOWrapper�chr�parse�detach�rf �epr r r r� � s � �r� c C s t j�� }|�| �S r )rY r� Z BytesParser� parsebytes��datar� r r r r� � s r� c C s t j�� }|�| �S r )rY r� r� r� r� r r r r� � s c C s t j�� }|�| �S r )rY r� r� Zparsestrr� r r r r� � s c C s� g }t j�| �D ]�\}}|durPz|�|�|�� W qW n ttfyN Y n0 t|td��rj|�|� qz|�|�d�� W qW n ty� Y n0 |�|�d�� qt � d� |��S )zDecodes RFC-2047 headerN� zUTF-8z ISO-8859-1ru ) rY r� Z decode_headerr� r� r� r� r� �typer Z unitolocalrF )rK Zuparts�partrw r r r � headdecode� s$ r� )N)N)r} F)NF)N)NF)NF)NF)>Z __future__r rY Z email.charsetZemail.generatorZ email.headerZ email.messageZ email.parserr� rc r r2 ri Zi18nr r r r r� r r r r r� r r r � TYPE_CHECKING�typingr r r r �allr r r0 r8 rS rP rh rn rO rB rt r| r� r� r� r� r� r� r� r� r� Zispy3� generatorZBytesGenerator� Generatorr� r� r� r r r r �<module> s\ 4 3