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Editing: disk.cpython-38.pyc
U ���c� � @ s� d dl mZ d dlZd dlZd dlZd dlmZ edddddd d d d d ddddddddg�Ze� d�Z efdd�Z dd� Z dd � Z d d � ZdS ) � )�divisionN)�_PY3ZextZext2Zext3Zext4ZreiserfsZntfsZmsdosZdosZvfatZxfsZhpfsZjfsZufsZhfsZhfsplusZsimfsZdrvfsZlxfsz([a-z]+)[0-9]*c c s� t | �D ]�}z8|�� dd� \}}}tr6t�|d�}n t�|d�}W n tk r\ Y qY nX |dk rp||krpqd}z ||�}W n tk r� Y qY nX |j} |j| | } |j | | } |||| | d�V qdS )aZ This is a generator that yields information about mounted filesystems. @param mounts_file: A file with information about mounted filesystems, such as C{/proc/mounts}. @param statvfs_: A function to get file status information. @param filesystems_whitelist: Optionally, a list of which filesystems to stat. @return: A C{dict} with C{device}, C{mount-point}, C{filesystem}, C{total-space} and C{free-space} keys. If the filesystem information is not available, C{None} is returned. Both C{total-space} and C{free-space} are in megabytes. N� Zunicode_escapeZ string_escapei )�device� mount-point� filesystemz total-spacez free-space) �open�splitr �codecs�decode� ValueError�OSError�f_bsize�f_blocks�f_bfree) � mounts_file�statvfs_Zfilesystems_whitelist�liner Z mount_pointr Z megabytesZstatsZ block_sizeZ total_spaceZ free_space� r �4/usr/lib/python3/dist-packages/landscape/lib/disk.py�get_mount_info s2 � �r c C sf d}t j�| �} | �d�}t||�D ]<}|d �d�}| �|d �r$|r\|dt|�� |kr$|}q$|S )a� Tries to determine to which of the mounted filesystem C{path} belongs to, and then returns information about that filesystem or C{None} if it couldn't be determined. @param path: The path we want filesystem information about. @param mounts_file: A file with information about mounted filesystems, such as C{/proc/mounts}. @param statvfs_: A function to get file status information. @return: A C{dict} with C{device}, C{mount-point}, C{filesystem}, C{total-space} and C{free-space} keys. If the filesystem information is not available, C{None} is returned. Both C{total-space} and C{free-space} are in megabytes. N�/r )�os�path�realpathr r � startswith�len)r r r � candidateZ path_segments�infoZmount_segmentsr r r �get_filesystem_for_path< s �r c C sx t j�| ��d�rdS t| �}|s&dS d}z"t|d��}|�� }W 5 Q R X W n tk rb Y dS X |�� dkrtdS dS )z� This function returns whether a given device is removable or not by looking at the corresponding /sys/block/<device>/removable file @param device: The filesystem path to the device, e.g. /dev/sda1 ZmmcblkTFN�r�1) r r �basenamer � _get_device_removable_file_pathr �readline�IOError�strip)r r �contents�fr r r �is_device_removableX s r) c C s\ t j�| �rt �| �} | �d�dd� \}t�|�}|s<dS |�� d }t j�d|d�}|S )a5 Get a device's "removable" file path. This function figures out the C{/sys/block/<device>/removable} path associated with the given device. The file at that path contains either a "0" if the device is not removable, or a "1" if it is. @param device: File system path of the device. r ���Nr z /sys/block/Z removable) r r �islink�readlinkr �EXTRACT_DEVICE�match�groups�join)r Z device_nameZmatchedZremovable_filer r r r# u s r# )Z __future__r r �rer Zlandscape.lib.compatr � frozensetZSTABLE_FILESYSTEMS�compiler- r r r) r# r r r r �<module> s. �� � )
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