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In this case the relation is also an empty string. )rC Z target_verrJ r r r rD � s zBaseDependency.versionc C sJ g }| j �� }|D ]2}|j}| jjj}|�|�}t||�}|�|� q|S )zfA list of all Version objects which satisfy this dependency. .. versionadded:: 1.0.0 ) rC Z all_targetsZ parent_pkgrB �package�_pcacheZ_rawpkg_to_pkgr* �append)r �tversZ_tversZ_tver�_pkg�cache�pkg�tverr r r �target_versions� s z BaseDependency.target_versionsc C s dd� | j D �S )�iA list of all installed Version objects which satisfy this dep. .. versionadded:: 1.0.0 c S s g | ]}|j r|�qS r �� is_installed��.0rX r r r � <listcomp>� s z<BaseDependency.installed_target_versions.<locals>.<listcomp>�rY rJ r r r �installed_target_versions� s z(BaseDependency.installed_target_versionsc C s$ | j rd| j| j| j f S | jS dS )a� String represenation of the dependency. Returns the string representation of the dependency as it would be written in the debian/control file. The string representation does not include the type of the dependency. 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Attributes defined here: or_dependencies - The possible choices rawstr - String represenation of the Or-group of dependencies rawtype - The type of the dependencies in the Or-group target_version - A list of Versions which satisfy this Or-group of deps c s t t| ��|� || _|| _d S r )�superr& r rB �_rawtype)r rD � base_depsrH �� __class__r r r s zDependency.__init__c C s d| j | jf S rF rG rJ r r r rK s zDependency.__str__c C s dd� dd� | D �� S )Nz<Dependency: [%s]>�, c s s | ]}t |�V qd S r )�repr�r^ �bdr r r � <genexpr> s z&Dependency.__repr__.<locals>.<genexpr>��joinrJ r r r rN s zDependency.__repr__c C s | S r r rJ r r r �or_dependencies s zDependency.or_dependenciesc C s d� dd� | D ��S )ax String represenation of the Or-group of dependencies. Returns the string representation of the Or-group of dependencies as it would be written in the debian/control file. The string representation does not include the type of the Or-group of dependencies. Example: python2 >= 2.7 | python3 .. versionadded:: 1.0.0 z | c s s | ] }|j V qd S r )rI rm r r r ro 2 s z$Dependency.rawstr.<locals>.<genexpr>rp rJ r r r rI $ s zDependency.rawstrc C s | j S )a Type of the Or-group of dependency. This should be one of 'Breaks', 'Conflicts', 'Depends', 'Enhances', 'PreDepends', 'Recommends', 'Replaces', 'Suggests'. Additional types might be added in the future. .. versionadded:: 1.0.0 )rg rJ r r r rH 4 s zDependency.rawtypec C s0 g }| D ]"}|j D ]}||kr|�|� qq|S )zlA list of all Version objects which satisfy this Or-group of deps. .. versionadded:: 1.0.0 )rY rS )r rT rn rX r r r rY B s zDependency.target_versionsc C s dd� | j D �S )rZ c S s g | ]}|j r|�qS r r[ r] r r r r_ W s z8Dependency.installed_target_versions.<locals>.<listcomp>r` rJ r r r ra P s z$Dependency.installed_target_versions)r r r r r rK rN re rr rI rH rY ra � __classcell__r r ri r r& s r& c @ s e Zd ZdZdd� Zdd� ZdS )r' a� The origin of a version. Attributes defined here: archive - The archive (eg. unstable) component - The component (eg. main) label - The Label, as set in the Release file origin - The Origin, as set in the Release file codename - The Codename, as set in the Release file site - The hostname of the site. trusted - Boolean value whether this is trustworthy. c C sb |j | _ |j| _|j| _|j| _|j| _|j| _|j| _|jj� |�}|rX|j rXd| _ nd| _ d S �NTF) �archive� component�label�originZcodename�siteZ not_automaticrR �_list� find_index� is_trusted�trusted)r rW � packagefile� indexfiler r r r g s zOrigin.__init__c C s d| j | j| j| j| j| jf S )NzH<Origin component:%r archive:%r origin:%r label:%r site:%r isTrusted:%r>)rv ru rx rw ry r} rJ r r r rN w s ��zOrigin.__repr__N)r r r r r rN r r r r r' Z s r' c @ sb e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z ddd�Z dd� Z dd� Z dS )r) a" Record in a Packages file Represent a record as stored in a Packages file. You can use this like a dictionary mapping the field names of the record to their values:: >>> record = Record("Package: python-apt\nVersion: 0.8.0\n\n") >>> record["Package"] 'python-apt' >>> record["Version"] '0.8.0' For example, to get the tasks of a package from a cache, you could do:: package.candidate.record["Tasks"].split() Of course, you can also use the :attr:`Version.tasks` property. c C s t �|�| _d S r )r2 Z TagSection�_rec)r Z record_strr r r r � s zRecord.__init__c C s t | j�S r )�hashr� rJ r r r �__hash__� s zRecord.__hash__c C s t | j�S r )r< r� rJ r r r rK � s zRecord.__str__c C s | j | S r �r� r r r r r � s zRecord.__getitem__c C s || j kS r r� r r r r � __contains__� s zRecord.__contains__c C s t | j�� �S r )�iterr� �keysrJ r r r �__iter__� s zRecord.__iter__c c s$ | j �� D ]}|| j | fV q dS )z6An iterator over the (key, value) items of the record.N)r� r� r r r r � iteritems� s zRecord.iteritemsNc C s | j �||�S )zReturn record[key] if key in record, else *default*. 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The Version class contains all information related to a specific package version. .. versionadded:: 0.7.9 c C s || _ || _| j jj�| � d S r )rQ �_candrR Z _weakversions�add)r rQ �candr r r r � s zVersion.__init__c C s� z@| j j}|j j}||k r W dS ||kr.W dS t�| jj|j�W S tk r� zt�| jj|�W Y S tk r� t Y Y S X Y nX dS )a: Compares against another apt.Version object or a version string. This method behaves like Python 2's cmp builtin and returns an integer according to the outcome. The return value is negative in case of self < other, zero if self == other and positive if self > other. The comparison includes the package name and architecture if other is an apt.Version object. If other isn't an apt.Version object it'll be assumed that other is a version string (without package name/arch). .. versionchanged:: 1.0.0 ���� N) rQ �fullnamer2 �version_comparer� �ver_strrD �AttributeError� TypeError�NotImplemented)r r? Z self_nameZ other_namer r r �_cmp� s z Version._cmpc C s | � |�dkS �Nr �r� r> r r r r= � s zVersion.__eq__c C s | � |�dkS r� r� r> r r r �__ge__� s zVersion.__ge__c C s | � |�dkS r� r� r> r r r �__gt__� s zVersion.__gt__c C s | � |�dkS r� r� r> r r r �__le__� s zVersion.__le__c C s | � |�dk S r� r� r> r r r �__lt__ s zVersion.__lt__c C s. z| � |�dkW S tk r( t Y S X d S r� )r� r� r� r> r r r r@ s zVersion.__ne__c C s | j jS r )r� r� rJ r r r r� s zVersion.__hash__c C s d| j j| jf S )Nz%s=%s�rQ rL rD rJ r r r rK s zVersion.__str__c C s d| j j| jf S )Nz <Version: package:%r version:%r>r� rJ r r r rN s �zVersion.__repr__c C s* | j jj�| jjd �s td��| j jjS )z=Internal helper that moves the Records to the right position.r zCould not lookup record)rQ rR �_records�lookupr� � file_list� LookupErrorrJ r r r r� s zVersion._recordsc C s. | j j}| jjj�|j�d��r*| jjjS dS )z2Internal helper to get the translated description.r N)r� Ztranslated_descriptionrQ rR r� r� r� �pop)r Z desc_iterr r r �_translated_records" s zVersion._translated_recordsc C s | j jS )z.Return the size of the package when installed.)r� �installed_sizerJ r r r r� + s zVersion.installed_sizec C s | j jS )z$Return the homepage for the package.)r� �homepagerJ r r r r� 1 s zVersion.homepagec C s | j jS )z Return the size of the package.)r� r4 rJ r r r r4 7 s z Version.sizec C s | j jS )z/Return the architecture of the package version.)r� ZarchrJ r r r � architecture= s zVersion.architecturec C s t | jj�S )z:Return whether the version of the package is downloadable.)�boolr� � downloadablerJ r r r r� C s zVersion.downloadablec C s | j j}|dk o |jj| jjkS )zkReturn wether this version of the package is currently installed. .. versionadded:: 1.0.0 N)rQ � installedr� �id)r Zinst_verr r r r\ I s zVersion.is_installedc C s | j jS )z Return the version as a string.)r� r� rJ r r r rD S s zVersion.versionc C s | j }|dk r|jS dS )z0Return the short description (one line summary).N)r� Z short_desc)r �recordsr r r �summaryY s zVersion.summaryc C s | j jS )z"return the long description (raw).)r� � long_descrJ r r r �raw_description` s zVersion.raw_descriptionc C s | j jS )z"Return the section of the package.)r� �sectionrJ r r r r� f s zVersion.sectionc C sB d}| j }|dk r|jnd}|s0td�| jj S zt|t�sF|�d�}W n: tk r� } z td�| jj|f W Y �S d}~X Y nX t |� d��}t |� |D ]�}|� � dkr�|� d�s�|d7 }q�|�d �r�|� d�s�d |d d� }nd |d d� }n:|�d ��r0|� d��s |dk�r*|dd� }n|}n|}||7 }q�|S )z�Return the formatted long description. Return the formatted long description according to the Debian policy (Chapter 5.6.13). See http://www.debian.org/doc/debian-policy/ch-controlfields.html for more information. � Nz+Missing description for '%s'.Please report.�utf-8z<Invalid unicode in description for '%s' (%s). Please report.� �.z z z %s � z%s � r� )r� r� �_rQ rL � isinstance�unicode�decode�UnicodeDecodeErrorr� �split�next�strip�endswith� startswith)r Zdescr� �dsc�err�linesZraw_line�liner r r � descriptionl s@ � � zVersion.descriptionc C s4 z| j jp| jjW S tk r. | jj Y S X dS )z&Return the name of the source package.N)r� � source_pkgrQ � shortname� IndexErrorrJ r r r � source_name� s zVersion.source_namec C s4 z| j jp| jjW S tk r. | jj Y S X dS )z)Return the version of the source package.N)r� � source_verr� r� r� rJ r r r �source_version� s zVersion.source_versionc C s | j jS )z.Return the priority of the package, as string.)r� Z priority_strrJ r r r �priority� s zVersion.priorityc C s | j jjj�| j�S )z�Return the internal policy priority as a number. See apt_preferences(5) for more information about what it means. )rQ rR � _depcacheZpolicyZ get_priorityr� rJ r r r �policy_priority� s zVersion.policy_priorityc C s t | jj�S )z�Return a Record() object for this version. Return a Record() object for this version which provides access to the raw attributes of the candidate version )r) r� �recordrJ r r r r� � s zVersion.recordc G sr g }| j j}|D ]\}zB|| D ]4}g }|D ]}|�t| |�� q*|�t| ||�� q W q tk rj Y qX q|S )a( Return a list of Dependency objects for the given types. Multiple types can be specified. Possible types are: 'Breaks', 'Conflicts', 'Depends', 'Enhances', 'PreDepends', 'Recommends', 'Replaces', 'Suggests' Additional types might be added in the future. )r� � depends_listrS r% r& �KeyError)r �typesr� ZdependsZtype_Z dep_ver_listrh Zdep_orr r r �get_dependencies� s zVersion.get_dependenciesc C s dd� | j jD �S )z3 Return a list of names that this version provides.c S s g | ] }|d �qS )r r )r^ �pr r r r_ � s z$Version.provides.<locals>.<listcomp>)r� Z provides_listrJ r r r �provides� s zVersion.providesc C s | � d�S )z4Return the list of enhances for the package version.ZEnhances�r� rJ r r r �enhances� s zVersion.enhancesc C s | � dd�S )z/Return the dependencies of the package version.rc ZDependsr� rJ r r r � dependencies� s zVersion.dependenciesc C s | � d�S )z-Return the recommends of the package version.Z Recommendsr� rJ r r r � recommends� s zVersion.recommendsc C s | � d�S )z+Return the suggests of the package version.ZSuggestsr� rJ r r r �suggests� s zVersion.suggestsc C s, g }| j jD ]\}}|�t| j|�� q |S )z1Return a list of origins for the package version.)r� r� rS r' rQ )r �originsr~ �_unusedr r r r� s zVersion.originsc C s | j jS )zZReturn the path to the file inside the archive. .. versionadded:: 0.7.10 )r� �filenamerJ r r r r� s zVersion.filenamec C s | j jS )zKReturn the md5sum of the binary. .. versionadded:: 0.7.10 )r� Zmd5_hashrJ r r r �md5 s z Version.md5c C s | j jS )zLReturn the sha1sum of the binary. .. versionadded:: 0.7.10 )r� Z sha1_hashrJ r r r �sha1 s z Version.sha1c C s | j jS )zNReturn the sha256sum of the binary. .. versionadded:: 0.7.10 )r� Z sha256_hashrJ r r r �sha256% s zVersion.sha256c C s t | jd �� �S )z�Get the tasks of the package. A set of the names of the tasks this package belongs to. .. versionadded:: 0.8.0 ZTask)�setr� r� rJ r r r �tasks. s z Version.tasksc c s: | j jD ],\}}| jjj�|�}|r|�| jj�V qdS )zVReturn an iterator over all available urls. .. versionadded:: 0.7.10 N) r� r� rQ rR rz r{ � archive_urir� r� )r r~ r� r r r r �_uris9 s z Version._urisc C s t | �� �S )z^Return a list of all available uris for the binary. .. versionadded:: 0.7.10 )�listr� rJ r r r �urisD s z Version.urisc C s. zt t| �� ��W S tk r( Y dS X dS )zNReturn a single URI for the binary. .. versionadded:: 0.7.10 N)r� r� r� � StopIterationrJ r r r �uriM s z Version.urir� Nc C s@ |dkrt j�dd�}tj�| jj�}tj�||�}t || j | jj �r`t � d| � tj�|�S | jjd \}}| jjj�|�}|s�|r�|js�td| jj| jt|dd�f ��| js�td ��| jj } |s�| j s�td | ��t � |p�t j j �!� �} t j"| | j| | j ||d �} | �#� | j$| j%k�r4t&d | j'| j(f ��tj�|�S ) aC Fetch the binary version of the package. The parameter *destdir* specifies the directory where the package will be fetched to. The parameter *progress* may refer to an apt_pkg.AcquireProgress() object. If not specified or None, apt.progress.text.AcquireProgress() is used. The keyword-only parameter *allow_unauthenticated* specifies whether to allow unauthenticated downloads. If not specified, it defaults to the configuration option `APT::Get::AllowUnauthenticated`. .. versionadded:: 0.7.10 N� APT::Get::AllowUnauthenticatedF�"Ignoring already existing file: %sr �>Could not fetch %s %s source package: Source %r is not trusted�describez<unkown>zNo URI for this binary.�8The item %r could not be fetched: No trusted hash found.��destfile�$The item %r could not be fetched: %s))r2 �config�find_br- r. �basenamer� r� rq r5 r4 r3 �logging�debug�abspathr� r� rQ rR rz r{ r| r8 rL rD �getattrr� � ValueError�usable�Acquire�apt�progress�textr" � AcquireFile�run�status� STAT_DONEr6 r� � error_text) r �destdirr� �allow_unauthenticated�baser� Zpfile�offset�indexr3 �acqZacqfiler r r � fetch_binaryY sH � �� � � �zVersion.fetch_binaryTc C s |dkrt j�dd�}t �� }t �|p0tjj�� �}d}| j }|j pJ| j j } |j pX| jj} |�| �} | r~| |jkr~|�| �} qd| s�td| ��t� } |s�|jjs�td| j j| j|jjf ��|jD ]�} tj� | j�}tj� ||�}| j dkr�|}t || j | j!��rt"�#d| � q�|�s.| j!j$�s.td| ��| �%t j&||j�'| j�| j!| j ||d �� q�|�(� |dk�rxtd| ��|j)D ](}|j*|j+k�r~t,d |j-|j.f ���q~|�r�|j d t �/|j� }tj� ||�}t0�1d d ||g� tj�2|�S tj�2|�S dS )a9 Get the source code of a package. The parameter *destdir* specifies the directory where the source will be fetched to. The parameter *progress* may refer to an apt_pkg.AcquireProgress() object. If not specified or None, apt.progress.text.AcquireProgress() is used. The parameter *unpack* describes whether the source should be unpacked (``True``) or not (``False``). By default, it is unpacked. If *unpack* is ``True``, the path to the extracted directory is returned. Otherwise, the path to the .dsc file is returned. The keyword-only parameter *allow_unauthenticated* specifies whether to allow unauthenticated downloads. If not specified, it defaults to the configuration option `APT::Get::AllowUnauthenticated`. Nr� FzNo source for %rr� r� r� r� r� r� �-z dpkg-sourcez-x)3r2 r� r� � SourceRecordsr� r� r� r r" r� r� rQ r� r� r� r� r� rD r� r� r r| r8 rL r� �filesr- r. r� rq �typer5 r4 r3 r� r� r� rS r r� r �itemsr r r6 r� r Zupstream_version� subprocessZ check_callr� )r r r� Zunpackr �srcr r� r� r� r� Z source_lookupr Zfilr r� �itemZoutdirr r r � fetch_source� sn � �� � � � zVersion.fetch_source)r� NN)r� NTN)3r r r r r r� r= r� r� r� r� r@ r� rK rN re r� r� r� r� r4 r� r� r\ rD r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r r r r r r* � s� 5 � 6 �r* c @ sd e Zd ZdZddd�Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dd� Z dd� Z ddd�Z dS )r+ a� Provide a mapping & sequence interface to all versions of a package. This class can be used like a dictionary, where version strings are the keys. It can also be used as a sequence, where integers are the keys. You can also convert this to a dictionary or a list, using the usual way of dict(version_list) or list(version_list). This is useful if you need to access the version objects multiple times, because they do not have to be recreated this way. Examples ('package.versions' being a version list): '0.7.92' in package.versions # Check whether 0.7.92 is a valid version. package.versions[0] # Return first version or raise IndexError package.versions[0:2] # Return a new VersionList for objects 0-2 package.versions['0.7.92'] # Return version 0.7.92 or raise KeyError package.versions.keys() # All keys, as strings. max(package.versions) Nc C s$ || _ |jj| _|r | j| | _d S r )�_packagerU Z version_list� _versions)r rQ Zslice_r r r r � s zVersionList.__init__c C s| t |t�r| �| j|�S zt| j| j| �W S tk rj | jD ]"}|j|krBt| j|� Y S qBY nX td| ��d S )NzVersion: %r not found.) r� �slicerj r r* r r� r� r� �r r �verr r r r � s zVersionList.__getitem__c C s dd� dd� | D �� S )Nz[%s]rk c s s | ]}t |�V qd S r )r< �r^ r r r r ro s z&VersionList.__str__.<locals>.<genexpr>rp rJ r r r rK s zVersionList.__str__c C s d| � � S )Nz<VersionList: %r>)r� rJ r r r rN s zVersionList.__repr__c s � fdd�� j D �S )z*Return an iterator over all value objects.c 3 s | ]}t � j|�V qd S r )r* r r rJ r r ro s z'VersionList.__iter__.<locals>.<genexpr>�r rJ r rJ r r� s zVersionList.__iter__c C s0 t |t�r|j}| jD ]}|j|kr dS qdS rt )r� r* rD r r� r r r r r� s zVersionList.__contains__c C s t | �t |�kS r )r� r> r r r r= " s zVersionList.__eq__c C s t | j�S r )r� r rJ r r r r� & s zVersionList.__len__c C s dd� | j D �S )z*Return a list of all versions, as strings.c S s g | ] }|j �qS r )r� r r r r r_ / s z$VersionList.keys.<locals>.<listcomp>r rJ r r r r� , s zVersionList.keysc C s( z | | W S t k r" | Y S X dS )z Return the key or the default.N)r� r� r r r r� 1 s zVersionList.get)N)N)r r r r r r rK rN r� r� r= r� r� r� r r r r r+ � s r+ c @ s� e Zd ZdZdd� Zdd� Zdd� Zdd � Zed d � �Z e j d d � �Z ed d� �Z edd� �Z edd� �Z edd� �Zedd� �Zedd� �Zdd� Zedd � �Zed d � �Zed d � �Zed!d"� �Zed#d$� �Zed%d&� �Zed'd(� �Zed)d*� �Zed+d,� �Zed-d.� �Zed/d0� �Z dJd2d3�Z ed4d5� �Z ed6d7� �Z ed8d9� �Z ed:d;� �Z!d<d=� Z"dKd@dA�Z#dLdBdC�Z$dMdDdE�Z%dNdFdG�Z&dHdI� Z'd1S )Or( z�Representation of a package in a cache. This class provides methods and properties for working with a package. It lets you mark the package for installation, check if it is installed, and much more. c C s || _ || _d| _dS )z Init the Package object r� N)rU rR � _changelog)r ZpcacheZpkgiterr r r r B s zPackage.__init__c C s | j S r �rL rJ r r r rK I s zPackage.__str__c C s d| j j| j j| j jf S )Nz(<Package: name:%r architecture=%r id:%r>)rU rL r� r� rJ r r r rN M s �zPackage.__repr__c C s | j |j k S r r r> r r r r� R s zPackage.__lt__c C s& | j j�| j�}|dk r"t| |�S dS )z�Return the candidate version of the package. This property is writeable to allow you to set the candidate version of the package. Just assign a Version() object, and it will be set as the candidate version. N)rR r� Zget_candidate_verrU r* )r r� r r r � candidateV s zPackage.candidatec C s, | j �� | j j�| j|j� | j �� dS )z)Set the candidate version of the package.N)rR �cache_pre_changer� Zset_candidate_verrU r� �cache_post_change)r rD r r r r d s c C s | j jdk rt| | j j�S dS )z`Return the currently installed version of the package. .. versionadded:: 0.7.9 N)rU � current_verr* rJ r r r r� l s zPackage.installedc C s | j �d�S )a} Return the name of the package, possibly including architecture. If the package is not part of the system's preferred architecture, return the same as :attr:`fullname`, otherwise return the same as :attr:`shortname` .. versionchanged:: 0.7.100.3 As part of multi-arch, this field now may include architecture information. T�rU Z get_fullnamerJ r r r rL w s z Package.namec C s | j �d�S )z�Return the name of the package, including architecture. Note that as for :meth:`architecture`, this returns the native architecture for Architecture: all packages. .. versionadded:: 0.7.100.3Fr# rJ r r r r� � s zPackage.fullnamec C s | j jS )zZReturn the name of the package, without architecture. .. versionadded:: 0.7.100.3)rU rL rJ r r r r� � s zPackage.shortnamec C s | j jS )znReturn a uniq ID for the package. This can be used eg. to store additional information about the pkg.)rU r� rJ r r r r� � s z Package.idc C s | j jS )z>Return True if the package is an essential part of the system.)rU � essentialrJ r r r r$ � s zPackage.essentialc C s | j jS )a Return the Architecture of the package. Note that for Architecture: all packages, this returns the native architecture, as they are internally treated like native packages. To get the concrete architecture, look at the :attr:`Version.architecture` attribute. .. versionchanged:: 0.7.100.3 This is now the package's architecture in the multi-arch sense, previously it was the architecture of the candidate version and deprecated. )rU r� rJ r r r r� � s zPackage.architecturec C s | j j�| j�S )z5Return ``True`` if the package is marked for install.)rR r� �marked_installrU rJ r r r r% � s zPackage.marked_installc C s | j j�| j�S )z5Return ``True`` if the package is marked for upgrade.)rR r� �marked_upgraderU rJ r r r r& � s zPackage.marked_upgradec C s | j j�| j�S )z4Return ``True`` if the package is marked for delete.)rR r� � marked_deleterU rJ r r r r' � s zPackage.marked_deletec C s | j j�| j�S )z2Return ``True`` if the package is marked for keep.)rR r� � marked_keeprU rJ r r r r( � s zPackage.marked_keepc C s | j j�| j�S )z! Package is marked for downgrade )rR r� �marked_downgraderU rJ r r r r) � s zPackage.marked_downgradec C s | j j�| j�S )z7Return ``True`` if the package is marked for reinstall.)rR r� �marked_reinstallrU rJ r r r r* � s zPackage.marked_reinstallc C s | j jdk S )z,Return ``True`` if the package is installed.N)rU r" rJ r r r r\ � s zPackage.is_installedc C s | j o| jj�| j�S )z-Return ``True`` if the package is upgradable.)r\ rR r� � is_upgradablerU rJ r r r r+ � s �zPackage.is_upgradablec C s | j s | jo| jj�| j�S )z�Return ``True`` if the package is no longer required. If the package has been installed automatically as a dependency of another package, and if no packages depend on it anymore, the package is no longer required. )r\ r% rR r� Z is_garbagerU rJ r r r �is_auto_removable� s �zPackage.is_auto_removablec C s | j j�| j�S )z@Return whether the package is marked as automatically installed.)rR r� �is_auto_installedrU rJ r r r r- � s zPackage.is_auto_installedc C st | j | jfD ]b}d| }z<t|d��(}|�� �d��d�W 5 Q R � W S Q R X W q tk rl Y q Y q X q g S )z�Return a list of files installed by the package. Return a list of unicode names of the files which have been installed by this package z/var/lib/dpkg/info/%s.list�rbr� r� )rL r� r1 �readr� r� �EnvironmentError)r rL r. r� r r r �installed_files� s 0 zPackage.installed_filesNc C s� | j dkr| j S | js td�S |dkrv| jjd jdkr>d}n8| jjd jdkrVd}n td�}t|t�rl|S |�d �S | jj}d }| jj }| jj }z t � � }W n t k r� Y nTX |�|��r|js�q�| jj |jkr�|j}|j }�qt �|j|�dkr�|j}|j }q�|�d d �} t| �d k�r(| d }~ |d } |�d ��rJd |d } |�dd �} t| �d k�rvd�| d d� �}~ ||| ||d� }t�� } �z �z@t�d� |�r�|�� �r�W W ���dS t|�} d}dt�|� }|�r�|�� �r�W W ���dS | � � }|�s�q�|�d �}t� ||�}|�r�t | j dd�}|�rRd|k�rR|�dd �d }|� d �}|�r|d|k�r||�dd �d }|�r�t �||�dk�r��q�||7 }�q�t|�dk�r�td�}t|t��s�|�d �}|| _ W n� t!k �rF | jjd jdk�rtd�||f }ntd�}t|t��r0| Y W �hS |�d � Y W �VS Y nL t"t#fk �r� td�}t|t��rz| Y W � S |�d � Y W � S Y nX W 5 t�| � X | j S )a� Download the changelog of the package and return it as unicode string. The parameter *uri* refers to the uri of the changelog file. It may contain multiple named variables which will be substitued. These variables are (src_section, prefix, src_pkg, src_ver). An example is the Ubuntu changelog:: "http://changelogs.ubuntu.com/changelogs/pool" \ "/%(src_section)s/%(prefix)s/%(src_pkg)s" \ "/%(src_pkg)s_%(src_ver)s/changelog" The parameter *cancel_lock* refers to an instance of threading.Event, which if set, prevents the download. r� z$The list of changes is not availableNr ZDebianzshttp://packages.debian.org/changelogs/pool/%(src_section)s/%(prefix)s/%(src_pkg)s/%(src_pkg)s_%(src_ver)s/changelogZUbuntuzuhttp://changelogs.ubuntu.com/changelogs/pool/%(src_section)s/%(prefix)s/%(src_pkg)s/%(src_pkg)s_%(src_ver)s/changelogr� �main�/r� �libr, �:)� src_section�prefix�src_pkg�src_verr� z^%s \((.*)\)(.*)$rD z�The list of changes is not available yet. Please use http://launchpad.net/ubuntu/+source/%s/%s/+changelog until the changes become available or try again later.zOFailed to download the list of changes. Please check your Internet connection.)$r r r� r� rx r� r� r� r� r� r� r2 r � SystemErrorr� rD r� r� r� r� rq �socketZgetdefaulttimeoutZsetdefaulttimeoutZis_setr �re�escape�readline�matchr� r� �groupr �IOErrorr )r r� Z cancel_lock�resr8 r6 r� r9 Z src_recordsZ section_splitr7 Z src_ver_splitZtimeoutZchangelog_fileZ changelogZregexpZline_rawr� r? r� Z changelog_verr r r � get_changelog s� � �� � zPackage.get_changelogc C s t | �S )zcReturn a VersionList() object for all available versions. .. versionadded:: 0.7.9 )r+ rJ r r r �versions� s zPackage.versionsc C s | j j�| j�S )z5Return True if the to-be-installed package is broken.)rR r� �is_inst_brokenrU rJ r r r rE � s zPackage.is_inst_brokenc C s | j j�| j�S )z/Return True if the installed package is broken.)rR r� � is_now_brokenrU rJ r r r rF � s zPackage.is_now_brokenc C s | j jtjkS )z8Checks whether the package is is the config-files state.)rU Z current_stater2 ZCURSTATE_CONFIG_FILESrJ r r r �has_config_files� s zPackage.has_config_filesc C s( | j �� | j j�| j� | j �� dS )zMark a package for keep.N)rR r r� � mark_keeprU r! rJ r r r rH � s zPackage.mark_keepTFc C sv | j �� | j j�| j|� |rh| j jjdkrht�| j j�}|�| j� |� | j� |� | j� |� � | j � � dS )a+ Mark a package for deletion. If *auto_fix* is ``True``, the resolver will be run, trying to fix broken packages. This is the default. If *purge* is ``True``, remove the configuration files of the package as well. The default is to keep the configuration. r N) rR r r� � mark_deleterU � broken_countr2 �ProblemResolver�clear�protect�remove�resolver! )r �auto_fix�purgeZfixr r r rI � s zPackage.mark_deletec C sn | j �� | j j�| j||� |r`| j jjdkr`t�| j j�}|�| j� |� | j� |� d� | j � � dS )a0 Mark a package for install. If *autoFix* is ``True``, the resolver will be run, trying to fix broken packages. This is the default. If *autoInst* is ``True``, the dependencies of the packages will be installed automatically. This is the default. If *fromUser* is ``True``, this package will not be marked as automatically installed. This is the default. Set it to False if you want to be able to automatically remove the package at a later stage when no other package depends on it. r TN) rR r r� � mark_installrU rJ r2 rK rL rM rO r! )r rP Z auto_inst� from_userZfixerr r r rR � s zPackage.mark_installc C s< | j r$| j}| j|d� | �|� ntj�d| jj � dS )zMark a package for upgrade.)rS z4MarkUpgrade() called on a non-upgradeable pkg: '%s' N) r+ r- rR � mark_auto�sys�stderr�writerU rL )r rS �autor r r � mark_upgrade s �zPackage.mark_upgradec C s | j j�| j|� dS )a Mark a package as automatically installed. Call this function to mark a package as automatically installed. If the optional parameter *auto* is set to ``False``, the package will not be marked as automatically installed anymore. The default is ``True``. N)rR r� rT rU )r rX r r r rT s zPackage.mark_autoc C s | j j�||� dS )a Commit the changes. The parameter *fprogress* refers to a apt_pkg.AcquireProgress() object, like apt.progress.text.AcquireProgress(). 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