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deb822.cpython-310.pyc
o aЍ @ s d Z ddlZddlZddlZddlZddlZddlZddlZddl Z ddl Z ziddl m Z m Z mZmZmZmZmZmZmZmZmZmZmZmZmZmZm Z m Z m Z m Z m Z m!Z! e ee ee" ee ee" f Z#e e"e e#f Z$e Z%ee&e%f Z'ee&e%f Z(ddl)Z)e dddZ*ddl+m,Z,m-Z- W n e.y dZ!e!sd d Zd d Ze"de&diZdZ'dZ$Y nw dd l/m0Z0m1Z1m2Z2m3Z3 dd l4m5Z5 ddl6Z7ddl8Z7z ddl9Z9e9j: dZ;W n e.e<fy dZ;Y nw dd Z=e>dgZ?dZ@G dd deAZBG dd deBZCe!re'ZDnejEjZDG dd deDZFe!re(ZGnejEjZGG dd deGZHG dd deHZIe!r5ee&ee& f ZJneKZJG d d d eJZLG d d d eMZNe!rQee&e f ZOneKZOG d d! d!eOZPe!rfG d"d# d#eZQG d$d% d%eMZRG d&d' d'eMZSG d(d) d)eIZTG d*d+ d+eTZUG d,d- d-eUeRZVG d.d/ d/eUeRZWG d0d1 d1eUeSeRZXG d2d3 d3eTZYG d4d5 d5eTZZG d6d7 d7eVeSZ[G d8d9 d9eIeSeRZ\G d:d; d;e]Z^G d<d= d=e_d=d>Z`G d?d@ d@e^dAZaG dBdC dCeIZbG dDdE dEeMZcdS )Fa Dictionary-like interfaces to RFC822-like files The Python deb822 aims to provide a dict-like interface to various RFC822-like Debian data formats, like Packages/Sources, .changes/.dsc, pdiff Index files, etc. As well as the generic :class:`Deb822` class, the specialised versions of these classes (:class:`Packages`, :class:`Sources`, :class:`Changes` etc) know about special fields that contain specially formatted data such as dependency lists or whitespace separated sub-fields. This module has few external dependencies, but can use python-apt if available to parse the data, which gives a very significant performance boost when iterating over big Packages files. Whitespace separated data within fields are known as "multifields". The "Files" field in Sources files, for instance, has three subfields, while "Files" in .changes files, has five; the relevant classes here know this and correctly handle these cases. Key lookup in Deb822 objects and their multifields is case-insensitive, but the original case is always preserved, for example when printing the object. The Debian project and individual developers make extensive use of GPG signatures including in-line signatures. GPG signatures are automatically detected, verified and the payload then offered to the parser. Relevant documentation on the Deb822 file formats available here. - `deb-control(5) <https://manpages.debian.org/stretch/dpkg-dev/deb-control.5.html>`_, the `control` file in the binary package (generated from `debian/control` in the source package) - `deb-changes(5) <https://manpages.debian.org/stretch/dpkg-dev/deb-changes.5.html>`_, `changes` files that developers upload to add new packages to the archive. - `dsc(5) <https://manpages.debian.org/stretch/dpkg-dev/dsc.5.html>`_, Debian Source Control file that defines the files that are part of a source package. - `Debian mirror format <http://wiki.debian.org/RepositoryFormat>`_, including documentation for Packages, Sources files etc. Overview of deb822 Classes -------------------------- Classes that deb822 provides: * :class:`Deb822` base class with no multifields. A Deb822 object holds a single entry from a Deb822-style file, where paragraphs are separated by blank lines and there may be many paragraphs within a file. The :func:`~Deb822.iter_paragraphs` function yields paragraphs from a data source. * :class:`Packages` represents a Packages file from a Debian mirror. It extends the Deb822 class by interpreting fields that are package relationships (Depends, Recommends etc). Iteration is forced through python-apt for performance and conformance. * :class:`Dsc` represents .dsc files (Debian Source Control) that are the metadata file of the source package. Multivalued fields: * Files: md5sum, size, name * Checksums-Sha1: sha1, size, name * Checksums-Sha256: sha256, size, name * Checksums-Sha512: sha512, size, name * :class:`Sources` represents a Sources file from a Debian mirror. It extends the Dsc class by interpreting fields that are package relationships (Build-Depends, Build-Conflicts etc). Iteration is forced through python-apt for performance and conformance. * :class:`Release` represents a Release file from a Debian mirror. Multivalued fields: * MD5Sum: md5sum, size, name * SHA1: sha1, size, name * SHA256: sha256, size, name * SHA512: sha512, size, name * :class:`Changes` represents a .changes file that is uploaded to "change the archive" by including new source or binary packages. Multivalued fields: * Files: md5sum, size, section, priority, name * Checksums-Sha1: sha1, size, name * Checksums-Sha256: sha256, size, name * Checksums-Sha512: sha512, size, name * :class:`PdiffIndex` represents a pdiff Index file (`foo`.diff/Index) file from a Debian mirror. Multivalued fields: * SHA1-Current: SHA1, size * SHA1-History: SHA1, size, date * SHA1-Patches: SHA1, size, date * SHA1-Download: SHA1, size, filename * X-Unmerged-SHA1-History: SHA1, size, date * X-Unmerged-SHA1-Patches: SHA1, size, date * X-Unmerged-SHA1-Download: SHA1, size, filename * SHA256-Current: SHA256, size * SHA256-History: SHA256, size, date * SHA256-Patches: SHA256, size, date * SHA256-Download: SHA256, size, filename * X-Unmerged-SHA256-History: SHA256, size, date * X-Unmerged-SHA256-Patches: SHA256, size, date * X-Unmerged-SHA256-Download: SHA256, size, filename * :class:`Removals` represents the ftp-master removals file listing when and why source and binary packages are removed from the archive. Input ===== Deb822 objects are normally initialized from a file object (from which at most one paragraph is read) or a string. Alternatively, any sequence that returns one line of input at a time may be used, e.g a list of strings. PGP signatures, if present, will be stripped. Example:: >>> from debian.deb822 import Deb822 >>> filename = '/var/lib/apt/lists/deb.debian.org_debian_dists_sid_InRelease' >>> with open(filename) as fh: # doctest: +SKIP ... rel = Deb822(fh) >>> print('Origin: {Origin}\nCodename: {Codename}\nDate: {Date}'.format_map( # doctest: +SKIP ... rel)) Origin: Debian Codename: sid Date: Sat, 07 Apr 2018 14:41:12 UTC >>> print(list(rel.keys())) # doctest: +SKIP ['Origin', 'Label', 'Suite', 'Codename', 'Changelogs', 'Date', 'Valid-Until', 'Acquire-By-Hash', 'Architectures', 'Components', 'Description', 'MD5Sum', 'SHA256'] In the above, the `MD5Sum` and `SHA256` fields are just a very long string. If instead the :class:`Release` class is used, these fields are interpreted and can be addressed:: >>> from debian.deb822 import Release >>> filename = '/var/lib/apt/lists/deb.debian.org_debian_dists_sid_InRelease' >>> with open(filename) as fh: # doctest: +SKIP ... rel = Release(fh) >>> wanted = 'main/binary-amd64/Packages' >>> [(l['sha256'], l['size']) for l in rel['SHA256'] if l['name'] == wanted] # doctest: +SKIP [('c0f7aa0b92ebd6971c0b64f93f52a8b2e15b0b818413ca13438c50eb82586665', '45314424')] Iteration ========= All classes use the :func:`~Deb822.iter_paragraphs` class method to easily iterate through each paragraph in a file that contains multiple entries (e.g. a Packages.gz file). For example:: >>> with open('/mirror/debian/dists/sid/main/binary-i386/Sources') as f: # doctest: +SKIP ... for src in Sources.iter_paragraphs(f): ... print(src['Package'], src['Version']) The `iter_paragraphs` methods can use python-apt if available to parse the data, since it significantly boosts performance. If python-apt is not present and the file is a compressed file, it must first be decompressed manually. Note that python-apt should not be used on `debian/control` files since python-apt is designed to be strict and fast while the syntax of `debian/control` is a superset of what python-apt is designed to parse. This function is overridden to force use of the python-apt parser using `use_apt_pkg` in the :func:`~Packages.iter_paragraphs` and :func:`~Sources.iter_paragraphs` functions. Sample usage ============ Manipulating a .dsc file:: from debian import deb822 with open('foo_1.1.dsc') as f: d = deb822.Dsc(f) source = d['Source'] version = d['Version'] for f in d['Files']: print('Name:', f['name']) print('Size:', f['size']) print('MD5sum:', f['md5sum']) # If we like, we can change fields d['Standards-Version'] = '3.7.2' # And then dump the new contents with open('foo_1.1.dsc2', 'w') as new_dsc: d.dump(new_dsc) (TODO: Improve, expand) Deb822 Classes -------------- N)AnyCallablecastDict FrozenSet GeneratorIteratorIterableIOListMappingMutableMappingOptionaloverloadProtocolSetTextTupleTypeTypeVarUnion TYPE_CHECKING T_Deb822Dict Deb822Dictbound)Literal TypedDictFc C d S N fr r //usr/lib/python3/dist-packages/debian/deb822.py<lambda>) r$ c C s |S r r )tvr r r# r$ * r% ) OrderedSet_CaseInsensitiveString_strIdefault_field_sort_key)function_deprecated_byTc C s* z| W dS ttjfy Y dS w )zp test that a file-like object is really a filehandle Only filehandles can be given to apt_pkg.TagFile. TF)filenoAttributeErrorioUnsupportedOperationr! r r r# _has_filenoH s r1 z&/usr/share/keyrings/debian-keyring.gpgz /usr/bin/gpgvc @ e Zd ZdZdS )Errorz0Base class for custom exceptions in this module.N__name__ __module__ __qualname____doc__r r r r# r3 Y r3 c @ r2 )RestrictedFieldErrorz>Raised when modifying the raw value of a field is not allowed.Nr4 r r r r# r: ] r9 r: c s< e Zd ZdZ d fdd Zdd Zdd Zd d Z ZS ) TagSectionWrapperzWrap a TagSection object, using its find_raw method to get field values This allows us to pick which whitespace to strip off the beginning and end of the data, so we don't lose leading newlines. Nc s$ || _ |pt | _tt| d S r )_TagSectionWrapper__section _AutoDecoderdecodersuperr; __init__)selfsectionr> __class__r r# r@ n s zTagSectionWrapper.__init__c c s& | j D ] }|ds|V qd S )N#)r< keys startswithrA keyr r r# __iter__w s zTagSectionWrapper.__iter__c C s t dd | j D S )Nc S s g | ] }| d s|qS )rE )rG ).0rI r r r# <listcomp> s z-TagSectionWrapper.__len__.<locals>.<listcomp>)lenr< rF rA r r r# __len__} s zTagSectionWrapper.__len__c C sN | j |}| j|}|d u rt|||dd d }|ddS )N: z )r< find_rawr> decodeKeyErrorfindlstriprstrip)rA rI srawsdatar r r# __getitem__ s z TagSectionWrapper.__getitem__r ) r5 r6 r7 r8 r@ rJ rO r\ __classcell__r r rC r# r; g s r; c s e Zd ZdZ d" fdd Zdd Zdd Zd d Zd d Zdd Z dd Z dd Z dd Z dd Z dd Zd#ddZd d Zd d ZdZd d! Z ZS )$r a3 A dictionary-like object suitable for storing RFC822-like data. Deb822Dict behaves like a normal dict, except: - key lookup is case-insensitive - key order is preserved - if initialized with a _parsed parameter, it will pull values from that dictionary-like object as needed (rather than making a copy). The _parsed dict is expected to be able to handle case-insensitive keys. If _parsed is not None, an optional _fields parameter specifies which keys in the _parsed dictionary are exposed. Nutf-8c s i _ t _d _| _t j _tt |d urVg }t |dr*| }nt |}z |D ]\}}| |< q1W n t yU t j}t|| } t d|| f w |d ur~| _|d u ro jdd jD d S j fdd|D d S d S )NitemszCdictionary update sequence element #%d has length %d; 2 is requiredc S g | ]}t |qS r )r* )rK kr r r# rL z'Deb822Dict.__init__.<locals>.<listcomp>c s g | ] }| j v rt|qS r )_Deb822Dict__parsedr* )rK r" rN r r# rL )_Deb822Dict__dictr( _Deb822Dict__keysrc encodingr= r> r? r r@ hasattrr_ list ValueErrorrM extend) rA _dict_parsed_fieldsrg r_ ra r' thislen_rC rN r# r@ s< zDeb822Dict.__init__c c s | j D ]}t|V qd S r )rf strrH r r r# rJ s zDeb822Dict.__iter__c C t | jS r )rM rf rN r r r# rO zDeb822Dict.__len__c C s" t |}| j| || j|< d S r )r* rf addre )rA rI valuekeyir r r# __setitem__ s zDeb822Dict.__setitem__c C sX t |}z| j| }W n ty% | jd ur"|| jv r"| j| }n Y nw | j|S r )r* re rU rc rf r> rT )rA rI rv ru r r r# r\ s zDeb822Dict.__getitem__c C s8 t |}| j| z| j|= W d S ty Y d S w r )r* rf removere rU rA rI rv r r r# __delitem__ s zDeb822Dict.__delitem__c C s t |}|| jv S r )r* rf ry r r r# __contains__ s zDeb822Dict.__contains__c C | j t| dS )z9Re-order the given field so it is "last" in the paragraphN)rf order_lastr* rA fieldr r r# r} zDeb822Dict.order_lastc C r| )z:Re-order the given field so it is "first" in the paragraphN)rf order_firstr* r~ r r r# r r zDeb822Dict.order_firstc C | j t|t| dS )zRe-order the given field so appears directly after the reference field in the paragraph The reference field must be present.N)rf order_beforer* rA r reference_fieldr r r# r s zDeb822Dict.order_beforec C r )zRe-order the given field so appears directly before the reference field in the paragraph The reference field must be present. N)rf order_afterr* r r r r# r s zDeb822Dict.order_afterc C s$ |du rt }tt| j|d| _dS )a Re-order all fields :param key: Provide a key function (same semantics as for sorted). Keep in mind that Deb822 preserve the cases for field names - in generally, callers are recommended to use "lower()" to normalize the case. N)rI )r+ r( sortedrf rH r r r# sort_fields$ s zDeb822Dict.sort_fieldsc C s dd dd | D S )Nz{%s}, c S s g | ] \}}d ||f qS )z%r: %rr )rK ra r' r r r# rL 2 z'Deb822Dict.__repr__.<locals>.<listcomp>)joinr_ rN r r r# __repr__0 s zDeb822Dict.__repr__c C s@ t | }t |}||ksdS |D ] }| | || kr dS qdS )NFT)r )rA othermykeys otherkeysrI r r r# __eq__4 s zDeb822Dict.__eq__c C s | | }|S r rC )rA copyr r r# r F s zDeb822Dict.copy)NNNr^ r )r5 r6 r7 r8 r@ rJ rO rw r\ rz r{ r} r r r r r r __hash__r r] r r rC r# r s, + c @ s e Zd ZdZ dAddZeredd dZe dBd d Z e d d Z d Z e e d Ze e d Ze dZe dZ dCddZdd Zdd Zdd Zdd Zd d Zd d Zd d! Zd"d# Ze d$d% Z e dDd&d%Z e 'dEd(d%Z e dFd)d%Z e dFd*d%Z dFd+d%Z e d,d- Z e e Z e d.d/ Z!e e!Z"d0d1 Z#e e#Z$ dGd2d3Z%e e%Z&e d4Z'e d5Z(e d5Z)e d6Z*e dGd7d8Z+edGd9d:Z,dGd;d<Z-d=d> Z.d?d@ Z/dS )HDeb822u^ Generic Deb822 data :param sequence: a string, or any any object that returns a line of input each time, normally a file. Alternately, sequence can be a dict that contains the initial key-value pairs. When python-apt is present, sequence can also be a compressed object, for example a file object associated to something.gz. :param fields: if given, it is interpreted as a list of fields that should be parsed (the rest will be discarded). :param _parsed: internal parameter. :param encoding: When parsing strings, interpret them in this encoding. (All values are given back as unicode objects, so an encoding is necessary in order to properly interpret the strings.) :param strict: Dict controlling the strictness of the internal parser to permit tuning of its behaviour between "generous in what it accepts" and "strict conformance". Known keys are described below. *Internal parser tuning* - `whitespace-separates-paragraphs`: (default: `True`) Blank lines between paragraphs should not have any whitespace in them at all. However: - Policy §5.1 permits `debian/control` in source packages to separate packages with lines containing whitespace to allow human edited files to have stray whitespace. Failing to honour this breaks tools such as `wrap-and-sort <https://manpages.debian.org/wrap-and-sort>`_ (see, for example, `Debian Bug 715558 <https://bugs.debian.org/715558/>`_). - `apt_pkg.TagFile` accepts whitespace-only lines within the `Description` field; strictly matching the behaviour of apt's Deb822 parser requires setting this key to `False` (as is done by default for :class:`Sources` and :class:`Packages`. (see, for example, `Debian Bug 913274 <https://bugs.debian.org/913274/>`_). Note that these tuning parameter are only for the parser that is internal to `Deb822` and do not apply to python-apt's apt_pkg.TagFile parser which would normally be used for Packages and Sources files. Nr^ c C st i }d }t |drtt|}ntt|}tj| ||||d |d ur5z | ||| W n ty4 Y nw d | _d S )Nr_ )rl rm rn rg ) rh r Deb822Mapping InputDataTyper r@ _internal_parserEOFErrorgpg_info)rA sequencefieldsrm rg strictrl iterabler r r# r@ ~ s zDeb822.__init__T_Deb822r Fc c s |ot |}|rtsd}t| n |r |s d}t| trA|rAtj|dd} | D ]} | |t| t||d} | r>| V q+dS g } t|t rOt | } nt|t r[t | } nt |} | | |||d} | sldS | V q`)a Generator that yields a Deb822 object for each paragraph in sequence. :param sequence: same as in __init__. :param fields: likewise. :param use_apt_pkg: if sequence is a file, apt_pkg can be used if available to parse the file, since it's much much faster. Set this parameter to True to enable use of apt_pkg. Note that the TagFile parser from apt_pkg is a much stricter parser of the Deb822 format, particularly with regards whitespace between paragraphs and comments within paragraphs. If these features are required (for example in debian/control files), ensure that this parameter is set to False. :param shared_storage: not used, here for historical reasons. Deb822 objects never use shared storage anymore. :param encoding: Interpret the paragraphs in this encoding. (All values are given back as unicode objects, so an encoding is necessary in order to properly interpret the strings.) :param strict: dict of settings to tune the internal parser if that is being used. See the documentation for :class:`Deb822` for details. z}Parsing of Deb822 data with python3-apt's apt_pkg was requested but this package is not importable. Is python3-apt installed?zjParsing of Deb822 data with python3-apt's apt_pkg was requested but this cannot be done on non-file input.T)bytes)r rm rg )rg r N) r1 _have_apt_pkgwarningswarnapt_pkgTagFiler; r= isinstancerq iter splitlinesr )clsr r use_apt_pkgshared_storagerg r apt_pkg_allowedmsgparserrB paragraphr xr r r# iter_paragraphs sB " zDeb822.iter_paragraphsc c sj d}| D ]-}t |tr|drqn|drq|r/t |tr'|ds&qn|ds-qd}|V qdS )zyYields only lines that do not begin with '#'. Also skips any blank lines at the beginning of the input. T #rE z FN)r r rG rX )r at_beginningliner r r# _skip_useless_lines s& zDeb822._skip_useless_linesz!^(?P<key>[^: \t\n\r\f\v]+)\s*:\s*z(?P<data>\S.*?)\s*$$z^\s(?P<data>.+?)\s*$z((?P<source>[^ ]+)( \((?P<version>.+)\))?c s fdd}t |ttfr| }d }d}| | ||D ]Z}| j|}| j |} | rI|r4|| |< || ds>d }q | d}| d}q | j |} | ri|rW|| |< || dsad }q | d}d}q | j |} | rx|d| 7 }q q |r|| |< d S d S )Nc s d u p| v S r r r! r r r# wanted_field# z-Deb822._internal_parser.<locals>.wanted_field rI r[ rR ) r rq r r gpg_stripped_paragraphr r> rT _singlematchgroup_multi _multidata) rA r r r r curkeycontent linebytesr mr r r# r sJ zDeb822._internal_parserc C | }|d ur |S dS Nr dumprA dr r r# __str__S zDeb822.__str__c C r r r r r r r# __unicode__X r zDeb822.__unicode__c C s | }|d ur|| jS dS )N )r encoderg r r r r# __bytes__] s zDeb822.__bytes__c C s t | | S )zReturn the self[key] as a string (or unicode) The default implementation just returns unicode(self[key]); however, this can be overridden in subclasses (e.g. _multivalued) that can take special values. rq rH r r r# get_as_stringd s zDeb822.get_as_stringc c sJ | D ] }| |}|r|d dkrd||f }nd||f }|V qd S )Nr rR z%s:%s z%s: %s )r )rA rI ru entryr r r# _dump_formatn s zDeb822._dump_formatc C s d | S r )r r rN r r r# _dump_str| zDeb822._dump_strc C s" | D ] }||| qd S r )r writer )rA fdrg r r r r# _dump_fd_b s zDeb822._dump_fd_bc C s | D ]}|| qd S r )r r )rA r r r r r# _dump_fd_t s zDeb822._dump_fd_tc C r r r rN r r r# r s z Deb822.dumpc C r r r rA r rg text_moder r r# r Tc C r r r r r r r# r r c C r r r r r r r# r r c C r r r r r r r# r r c C sT |du r| S |r| ttt | dS |du r | j}| ttt || dS )a Dump the the contents in the original format :param fd: file-like object to which the data should be written (see notes below) :param encoding: str, optional (Defaults to object default). Encoding to use when writing out the data. :param text_mode: bool, optional (Defaults to ``False``). Encoding should be undertaken by this function rather than by the caller. If fd is None, returns a unicode object. Otherwise, fd is assumed to be a file-like object, and this method will write the data to it instead of returning a unicode object. If fd is not none and text_mode is False, the data will be encoded to a byte string before writing to the file. The encoding used is chosen via the encoding parameter; None means to use the encoding the object was initialized with (utf-8 by default). This will raise UnicodeEncodeError if the encoding can't support all the characters in the Deb822Dict values. N)r r r r rq rg r r r r r r# r s c C s | d S )NrR )countrZ r r r# is_single_line zDeb822.is_single_linec C s t | S r )r r r r r r# is_multi_line r zDeb822.is_multi_linec C s |s|S |s|S | |rF| |rFd}|| dr d}t|| | |}|d }}|dd D ]}||kr;q4|| | }|}q4|S | |rg| |rg|dD ]}||dvrd|d | }qU|S t)N r r rQ TrR )r r r splitr r rj )rA s1s2delimLprevmergeditemr r r# _merge_fields s. zDeb822._merge_fieldsc C s |d u r | }|}n|}|}||v r ||v r | || || }n||v r)|| }n ||v r2|| }nt|d u r>|| |< d S |S r )r rU )rA rI d1d2x1x2r r r r# merge_fields s zDeb822.merge_fieldss= ^-----(?P<action>BEGIN|END) PGP (?P<what>[^-]+)-----[\r\t ]*$s ^\s*$s ^$c C sX |si }g }g }g }d}| ddrtj}ntj}d}| D ]}t|tr)| } n|} | d} |r;tj | r9q d}tj | } | ss|dkrW| | sR| | q |sV nKq |dkri| | rcd}q | | q |dkrr| | q | dd kr| d }n| dd kr| | n| | s|s| | q | | q |r|||fS t d ) a Return a (gpg_pre, payload, gpg_post) tuple Each element of the returned tuple is a list of lines (with trailing whitespace stripped). :param sequence: iterable. An iterable that yields lines of data (str, unicode, bytes) to be parsed, possibly including a GPG in-line signature. :param strict: dict, optional. Control over the strictness of the parser. See the :class:`Deb822` class documentation for details. s SAFE whitespace-separates-paragraphsTr Fs SIGNED MESSAGEs SIGNATUREactions BEGINwhats ENDz only blank lines found in input)getr _blank_line_whitespace_blank_line_no_whitespacer rq r strip_initial_blank_liner _gpgreappendr r ) r r gpg_pre_lineslinesgpg_post_linesstate blank_line first_lineline_r r r r r# split_gpg_and_payloadL s^ z Deb822.split_gpg_and_payloadc C s | ||d S )NrQ )r )r r r r r r# r z Deb822.gpg_stripped_paragraphc C s4 t | ds td| jdu rtj| j|d| _| jS )a Return a GpgInfo object with GPG signature information This method will raise ValueError if the signature is not available (e.g. the original text cannot be found). :param keyrings: list of keyrings to use (see GpgInfo.from_sequence) raw_textz original text cannot be foundN)keyrings)rh rj r GpgInfo from_sequencer )rA r r r r# get_gpg_info s zDeb822.get_gpg_infoc C sL | dr td| dd D ]}|std|d s#tdqdS )zRaise ValueError if value is not a valid value for key Subclasses that do interesting things for different keys may wish to override this method. rR zvalue must not end in '\n'rQ Nz value must not have blank linesr z$each line must start with whitespace)endswithrj r isspace)rA rI ru r r r r# validate_input s zDeb822.validate_inputc C s | || t| || d S r )r r rw rA rI ru r r r# rw s zDeb822.__setitem__)NNNr^ N)NFFr^ NNNNF)NTNNFr )0r5 r6 r7 r8 r@ r r r classmethodr staticmethodr _key_partrecompiler r r _explicit_source_rer r r r r r r r r r r r r, isSingleLiner isMultiLiner _mergeFieldsr mergeFieldsr r r r r r r r rw r r r r# r O s / Q 7 0 ' $ W r c sl e Zd ZdZdZ fddZdd Zdd Zedd d Z e dd d Z e dd Z edd Z ZS )r a" A wrapper around gnupg parsable output obtained via --status-fd This class is really a dictionary containing parsed output from gnupg plus some methods to make sense of the data. Keys are keywords and values are arguments suitably split. See /usr/share/doc/gnupg/DETAILS.gz)GOODSIGEXPSIG EXPKEYSIG REVKEYSIGBADSIGc & t t| j|i | d | _d | _d S r )r? r r@ outerrrA argskwargsrC r r# r@ zGpgInfo.__init__c C s d| v pd| v S )zIs the signature valid?r VALIDSIGr rN r r r# valid r z GpgInfo.validc C s dS )z>Return the primary ID of the signee key, None is not availableNr rN r r r# uid r% z GpgInfo.uidNc C s | }t |tr|d|_n||_t |tr |d|_n||_d}|jD ]F}||s.q&|t|d }|d}|d}|d| }|| j v rX||d d dd}n ||d d d}|dv rhq&|||< q&|S )a" Create a GpgInfo object based on the gpg or gpgv output Create a new GpgInfo object from gpg(v) --status-fd output (out) and optionally collect stderr as well (err). Both out and err can be lines in newline-terminated sequence or regular strings. rR z [GNUPG:] Nr rQ )NEWSINEWSIGKEY_CONSIDEREDPROGRESS) r rq r r r! rG rM r rV uidkeys) r r r! nheaderr rZ rI ru r r r# from_output s, zGpgInfo.from_outputc C s |pt }|ptg}t|}|ddg |D ] }|d|g qd|vr(tdtj|tjtjtjdd }t|t r>|}n| |}| |\}} W d n1 sTw Y | | d| dS ) a Create a new GpgInfo object from the given sequence. :param sequence: sequence of lines of bytes or a single byte string :param keyrings: list of keyrings to use (default: ['/usr/share/keyrings/debian-keyring.gpg']) :param executable: list of args for subprocess.Popen, the first element being the gpgv executable (default: ['/usr/bin/gpgv']) z --status-fd1z --keyringz'cannot access any of the given keyringsF)stdinstdoutstderruniversal_newlinesNr^ )GPGV_DEFAULT_KEYRINGSGPGV_EXECUTABLEri rk IOError subprocessPopenPIPEr r _get_full_bytes communicater0 rT ) r r r executabler# ra pinpr r! r r r# r 5 s* zGpgInfo.from_sequencec C sN t | }zt|}W n ty Y dS w d}|dr d}|| || S )zReturn a byte string from a sequence of lines of bytes. This method detects if the sequence's lines are newline-terminated, and constructs the byte string appropriately. r )r next StopIterationr r )r sequence_iterr join_strr r r# r< c s zGpgInfo._get_full_bytesc O sF t |d}| j|g|R i |W d S 1 s w Y dS )z]Create a new GpgInfo object from the given file. See GpgInfo.from_sequence. rbN)openr )r targetr# r$ target_filer r r# from_filev s $zGpgInfo.from_filer r )r5 r6 r7 r8 r- r@ r' r( r r0 r r r< rJ r] r r rC r# r s 2 - r c @ s e Zd ZdZedZedZedZedZ edZ edZ e dd d gZe d d d gZerSed eee eeeef eed eeed dZedd Zedd ZdS ) PkgRelationzInter-package relationships Structured representation of the relationships of a package to another, i.e. of what can appear in a Deb882 field like Depends, Recommends, Suggests, ... (see Debian Policy 7.1). z^\s*(?P<name>[a-zA-Z0-9][a-zA-Z0-9.+\-]*)(:(?P<archqual>([a-zA-Z0-9][a-zA-Z0-9-]*)))?(\s*\(\s*(?P<relop>[>=<]+)\s*(?P<version>[0-9a-zA-Z:\-+~.]+)\s*\))?(\s*\[(?P<archs>[\s!\w\-]+)\])?\s*((?P<restrictions><.+>))?\s*$z\s*,\s*z\s*\|\s*z\s+z>\s*<z#(?P<enabled>\!)?(?P<profile>[^\s]+)ArchRestrictionenabledarchBuildRestrictionprofileParsedRelationzPkgRelation.ArchRestrictionz PkgRelation.BuildRestrictionnamearchqualversionrN restrictionsc sX fdd fdd fdd j | }t jj|}fdd|D S ) z|Parse a package relationship string (i.e. the value of a field like Depends, Recommends, Build-Depends ...) c sN g } j | D ]}|d dk}|r|dd }| | | q |S )Nr !rQ )_PkgRelation__blank_sep_REr r r rL )rawarchsrN disabledr r r# parse_archs s z0PkgRelation.parse_relations.<locals>.parse_archsc s~ g } j | d}|D ]-}g } j|D ] } j|}|r6| }| |d dk|d q|| q|S )aZ split a restriction formula into a list of restriction lists Each term in the restriction list is a namedtuple of form: (enabled, label) where enabled: bool: whether the restriction is positive or negative profile: the profile name of the term e.g. 'stage1' z<> rM rW rP ) _PkgRelation__restriction_sep_REr lowerr rX _PkgRelation__restriction_REr groupdictr rO )rY rV groupsrgrpr restrictionr partsr\ r r# parse_restrictions s" z7PkgRelation.parse_relations.<locals>.parse_restrictionsc s j | }|rD| }|d |d d d d d}|d s |d r*|d |d f|d< |d r6|d |d< |d rB|d |d< |S td | | d d d d dS ) NrS rT rR reloprU rZ rN rV z8cannot parse package relationship "%s", returning it raw)_PkgRelation__dep_REr ra r r )rY r re r )r r] rf r r# parse_rel s: z.PkgRelation.parse_relations.<locals>.parse_relc s g | ] } fd d|D qS )c s g | ]} |qS r r )rK or_depri r r# rL rb z:PkgRelation.parse_relations.<locals>.<listcomp>.<listcomp>r )rK or_depsrk r r# rL rd z/PkgRelation.parse_relations.<locals>.<listcomp>)_PkgRelation__comma_sep_REr r map_PkgRelation__pipe_sep_RE)r rY tl_depscnfr )r r] ri rf r# parse_relations s zPkgRelation.parse_relationsc s6 dd dd fddd tfdd | S ) zFormat to string structured inter-package relationships Perform the inverse operation of parse_relations, returning a string suitable to be written in a package stanza. c S s d| j rdnd| jf S )N%s%sr rW )rM rN ) arch_specr r r# pp_arch s z PkgRelation.str.<locals>.pp_archc S s: g }| D ]}| d|jrdnd|jf qdd| S )Nrs r rW z<%s>r )r rM rP r )rV rZ termr r r# pp_restrictions s z(PkgRelation.str.<locals>.pp_restrictionsc s | d }| dd ur|d| d 7 }| d}|d ur"|d| 7 }| d}|d ur7|ddt | 7 }| d }|d urL|d dt| 7 }|S ) NrS rT z:%srU z (%s %s)rN z [%s]r rV %s)r r rn )deprZ r' ar)ru rw r r# pp_atomic_dep s z&PkgRelation.str.<locals>.pp_atomic_depr c s d t | S )Nz | r rn )deps)r| r r# r$ - s z!PkgRelation.str.<locals>.<lambda>r} )relsr )ru r| rw r# rq s zPkgRelation.strN)r5 r6 r7 r8 r r rh rm ro rX r^ r` collections namedtuplerL rO r r rq r r r rQ r rr r r r r r# rK s@ PrK c @ s e Zd ZdZdd ZdS )_lowercase_dictz4Dictionary wrapper which lowercase keys upon lookup.c C s t | | S r )dictr\ r_ rH r r r# r\ 9 r z_lowercase_dict.__getitem__N)r5 r6 r7 r8 r\ r r r r# r 6 s r c @ s e Zd Zdd Zdd ZdS )_HasVersionFieldProtocolc C r r r )rA rZ r r r# r\ A z$_HasVersionFieldProtocol.__getitem__c C r r r )rA rZ r' r r r# rw E r z$_HasVersionFieldProtocol.__setitem__N)r5 r6 r7 r\ rw r r r r# r ? s r c @ s e Zd ZdZdd Zdd ZdS )_VersionAccessorMixinz>Give access to Version keys as debian_support.Version objects.c C s t j| d S NVersion)debiandebian_supportr rN r r r# get_versionL r z!_VersionAccessorMixin.get_versionc C s t || d< d S r r )rA rU r r r# set_versionP r z!_VersionAccessorMixin.set_versionN)r5 r6 r7 r8 r r r r r r# r J s r c @ s( e Zd ZdZg Zdd Zedd ZdS )_PkgRelationMixina Package relationship mixin Inheriting from this mixin you can extend a :class:`Deb822` object with attributes letting you access inter-package relationship in a structured way, rather than as strings. For example, while you can usually use ``pkg['depends']`` to obtain the Depends string of package pkg, mixing in with this class you gain pkg.depends to access Depends as a Pkgrel instance To use, subclass _PkgRelationMixin from a class with a _relationship_fields attribute. It should be a list of field names for which structured access is desired; for each of them a method wild be added to the inherited class. The method name will be the lowercase version of field name; '-' will be mangled as '_'. The method would return relationships in the same format of the PkgRelation' relations property. See Packages and Sources as examples. c O sF t i | _d| _| jD ]}| }|| v rd | j|< q g | j|< q d S r )r _PkgRelationMixin__relations#_PkgRelationMixin__parsed_relations_relationship_fieldsr_ )rA r# r$ rS keynamer r r# r@ k s z_PkgRelationMixin.__init__c sH j s!t fdd j }|D ] }t | j|< qd _ jS )a Return a dictionary of inter-package relationships among the current and other packages. Dictionary keys depend on the package kind. Binary packages have keys like 'depends', 'recommends', ... while source packages have keys like 'build-depends', 'build-depends-indep' and so on. See the Debian policy for the comprehensive field list. Dictionary values are package relationships returned as lists of lists of dictionaries (see below for some examples). The encoding of package relationships is as follows: - the top-level lists corresponds to the comma-separated list of :class:`Deb822`, their components form a conjunction, i.e. they have to be AND-ed together - the inner lists corresponds to the pipe-separated list of :class:`Deb822`, their components form a disjunction, i.e. they have to be OR-ed together - member of the inner lists are dictionaries with the following keys: ``name`` package (or virtual package) name ``version`` A pair <`operator`, `version`> if the relationship is versioned, None otherwise. operator is one of ``<<``, ``<=``, ``=``, ``>=``, ``>>``; version is the given version as a string. ``arch`` A list of pairs <`enabled`, `arch`> if the relationship is architecture specific, None otherwise. Enabled is a boolean (``False`` if the architecture is negated with ``!``, ``True`` otherwise), arch the Debian architecture name as a string. ``restrictions`` A list of lists of tuples <`enabled`, `profile`> if there is a restriction formula defined, ``None`` otherwise. Each list of tuples represents a restriction list while each tuple represents an individual term within the restriction list. Enabled is a boolean (``False`` if the restriction is negated with ``!``, ``True`` otherwise). The profile is the name of the build restriction. https://wiki.debian.org/BuildProfileSpec The arch and restrictions tuples are available as named tuples so elements are available as `term[0]` or alternatively as `term.enabled` (and so forth). Examples: ``"emacs | emacsen, make, debianutils (>= 1.7)"`` becomes:: [ [ {'name': 'emacs'}, {'name': 'emacsen'} ], [ {'name': 'make'} ], [ {'name': 'debianutils', 'version': ('>=', '1.7')} ] ] ``"tcl8.4-dev, procps [!hurd-i386]"`` becomes:: [ [ {'name': 'tcl8.4-dev'} ], [ {'name': 'procps', 'arch': (false, 'hurd-i386')} ] ] ``"texlive <!cross>"`` becomes:: [ [ {'name': 'texlive', 'restriction': [[(false, 'cross')]]} ] ] c s j | d u S r )r )r. rN r r# r$ s z-_PkgRelationMixin.relations.<locals>.<lambda>T)r filterr rF rK rr )rA lazy_relsr. r rN r# relations s O z_PkgRelationMixin.relationsN)r5 r6 r7 r8 r r@ propertyr r r r r# r V s r c s4 e Zd ZdZi Zdd Z fddZdd Z ZS ) _multivaluedaU A class with (R/W) support for multivalued fields. To use, create a subclass with a _multivalued_fields attribute. It should be a dictionary with *lower-case* keys, with lists of human-readable identifiers of the fields as the values. Please see :class:`Dsc`, :class:`Changes`, and :class:`PdiffIndex` as examples. c O s t j| g|R i | | j D ]B\}}z| | }W n ty$ Y qw | |r4g | |< | | j}n t | |< | | j}t d | D ] }|tt || qEqd S r ) r r@ _multivalued_fieldsr_ rU r r r updater r zipr )rA r# r$ r r contentsupdater_methodr r r r# r@ s z_multivalued.__init__c s( | | jv r d S tt| || d S r )r_ r r? r r r rC r r# r s z_multivalued.validate_inputc C s | }|| jv rt }t| | dr| | g}n |d | | }| j| }i }z| j}W n ty8 Y nw |D ]A}|D ]7}t|| } z|| | } W n t yZ | } Y n w | t | d | } d| v rot d| |d| q?|d q;| dS t| |S )NrF rR r z5'\n' not allowed in component of multivalued field %srx )r_ r r/ StringIOrh r _fixed_field_lengthsr. rq rU rM rj getvaluerX r r ) rA rI keylr arrayorder field_lengthsr r raw_valuelengthru r r r# r s> z_multivalued.get_as_string) r5 r6 r7 r8 r r@ r r r] r r rC r# r s r c @ s$ e Zd ZdZdd Zedd ZdS )_gpg_multivalueda A _multivalued class that can support gpg signed objects This class's feature is that it stores the raw text before parsing so that gpg can verify the signature. Use it just like you would use the _multivalued class. This class only stores raw text if it is given a raw string, or if it detects a gpg signature when given a file or sequence of lines (see Deb822.split_gpg_and_payload for details). c s d _ z|d }W n ty |dd }Y nw |dd }|d urt|dd p0|ddp0d t|tr:|_ nt|trF| _ ntt|drLnnz fdd|D |\}}}W n t yn g } }}Y nw |r|rt }| d | | d | d | | d | d | | _ zt|} || d< t| }W n ty ||d< Y nw tjg|R i | d S ) Nr r r rg r^ r_ c 3 s | ] } | V qd S r )_bytesrK rZ rg rA r r# <genexpr>S s z,_gpg_multivalued.__init__.<locals>.<genexpr>rA s )r IndexErrorr getattrr r rq r rh r r r/ BytesIOr r r ri tupler r@ ) rA r# r$ r r r r r r argslr r r# r@ 5 sX z_gpg_multivalued.__init__c C s2 t | tr| S t | tr| |S tdt| )ztConverts s to bytes if necessary, using encoding. If s is already bytes type, returns it directly. z(bytes or unicode/string required, not %s)r r rq r TypeErrortype)rZ rg r r r# r i s z_gpg_multivalued._bytesN)r5 r6 r7 r8 r@ r r r r r r# r ) s 4r c @ s. e Zd ZdZg dg dg dg ddZdS )Dscz Representation of a .dsc (Debian Source Control) file This class is a thin wrapper around the transparent GPG handling of :class:`_gpg_multivalued` and the parsing of :class:`Deb822`. md5sumsizerS sha1r rS sha256r rS sha512r rS fileschecksums-sha1checksums-sha256checksums-sha512N)r5 r6 r7 r8 r r r r r# r w s r c @ s6 e Zd ZdZg dg dg dg ddZdd Zd S ) Changesz Representation of a .changes (archive changes) file This class is a thin wrapper around the transparent GPG handling of :class:`_gpg_multivalued` and the parsing of :class:`Deb822`. )r r rB priorityrS r r r r c C sx | d d d }z | d\}}W n ty d}Y nw | d dr-| d dd }n| d d }d ||| d f S ) z>Return the path in the pool where the files would be installedr r rB /mainsourcelibN z pool/%s/%s/%s)r rj rG )rA rZ rB _subdirr r r# get_pool_path s zChanges.get_pool_pathN)r5 r6 r7 r8 r r r r r r# r s r c @ s e Zd ZdZg dg dg dg ddZdgZdd Zd d Zd d Zdd Z dd Z dd Z dd Z dd Z dd Zdd Zd d ZG d d d Zed d! Zd"S )# BuildInfoaW Representation of a .buildinfo (build environment description) file This class is a thin wrapper around the transparent GPG handling of :class:`_gpg_multivalued`, the field parsing of :class:`_PkgRelationMixin`, and the format parsing of :class:`Deb822`. Note that the 'relations' structure returned by the `relations` method is identical to that produced by other classes in this module. Consequently, existing code to consume this structure can be used here, although it means that there are redundant lists and tuples within the structure. Example:: >>> from debian.deb822 import BuildInfo >>> filename = 'package.buildinfo' >>> with open(filename) as fh: # doctest: +SKIP ... info = BuildInfo(fh) >>> print(info.get_environment()) # doctest: +SKIP {'DEB_BUILD_OPTIONS': 'parallel=4', 'LANG': 'en_AU.UTF-8', 'LC_ALL': 'C.UTF-8', 'LC_TIME': 'en_GB.UTF-8', 'LD_LIBRARY_PATH': '/usr/lib/libeatmydata', 'SOURCE_DATE_EPOCH': '1601784586'} >>> installed = info.relations['installed-build-depends'] # doctest: +SKIP >>> for dep in installed: # doctest: +SKIP ... print("Installed %s/%s" % (dep[0]['name'], dep[0]['version'][1])) Installed autoconf/2.69-11.1 Installed automake/1:1.16.2-4 Installed autopoint/0.19.8.1-10 Installed autotools-dev/20180224.1 ... etc ... >>> changelog = info.get_changelog() # doctest: +SKIP >>> print(changelog.author) # doctest: +SKIP 'xyz Build Daemon (xyz-01) <buildd_xyz-01@buildd.debian.org>' >>> print(changelog[0].changes()) # doctest: +SKIP ['', ' * Binary-only non-maintainer upload for amd64; no source changes.', ' * Add Python 3.9 as supported version', ''] )md5r rS r r r )z checksums-md5r r r zinstalled-build-dependsc O 4 t j| g|R i | tj| g|R i | d S r )r r@ r r" r r r# r@ zBuildInfo.__init__c C s2 || vr t d|t| | dd S )Nz'{}' not found in buildinforR r )rU formatri replacer r r~ r r r# _get_array_value s zBuildInfo._get_array_valuec C s t t| ddS )zReturn the build environment that was recorded The environment is returned as a dict in the style of `os.environ`. The backslash quoting of values described in deb-buildinfo(5) is removed. Environmentr )r r _env_deserialiser rN r r r# get_environment s zBuildInfo.get_environmentc C s2 d| vrdS | d }dd |D }tj|S )zReturn the changelog entry from the buildinfo (for binNMUs) If no "Binary-Only-Changes" field is present in the buildinfo file then `None` is returned. zBinary-Only-ChangesNc S s$ g | ]}|d kr dn|dd qS )z .r rQ Nr r r r r# rL s $ z+BuildInfo.get_changelog.<locals>.<listcomp>)r r changelog Changelog)rA chlinesr r r# get_changelog s zBuildInfo.get_changelogc C s@ d| vrt d| j| d }|std|d|dfS )Nr z%'Source' field not found in buildinfoz Invalid 'Source' field specifiedrU )rU r r rj r rA matchesr r r# get_source s zBuildInfo.get_sourcec C | dS )NBinaryr rN r r r# get_binary rs zBuildInfo.get_binaryc C sH d| vrt dtj| d }|d u rtdtj|}tj|S )Nz build-datez)'Build-Date' field not found in buildinfoz$Invalid 'Build-Date' field specified)rU emailutils parsedate_tzrj mktime_tzdatetime fromtimestamprA timearraytsr r r# get_build_date s zBuildInfo.get_build_datec C r )N Architecturer rN r r r# get_architecture! rs zBuildInfo.get_architecturec C dd | D }t|dkS )Nc S s g | ]}|d kr|qS )r r rK rN r r r# rL ' z-BuildInfo.is_build_source.<locals>.<listcomp>rQ r rM rA archesr r r# is_build_source% zBuildInfo.is_build_sourcec C s d| v S )Nall)r rN r r r# is_build_arch_all+ s zBuildInfo.is_build_arch_allc C r )Nc S s g | ]}|d vr|qS ))r r r r r r r# rL 1 r z/BuildInfo.is_build_arch_any.<locals>.<listcomp>rQ r r r r r# is_build_arch_any/ r zBuildInfo.is_build_arch_anyc @ s e Zd ZdZdZdZdZdZdS )zBuildInfo._EnvParserStater rQ r N)r5 r6 r7 IGNORE_WHITESPACEVAR_NAMESTART_VALUE_QUOTEVALUEVALUE_BACKSLASH_ESCAPEr r r r# _EnvParserState5 s r c c sb t jj}d}d}| D ]}|t jjkr | s t jj}|}q |t jjkr4|dkr-||7 }nt jj}d}q |t jjkrH|dkrCt jj}ntdq |t jjkr|dkrWt jj}n,|dkry|dkrctd|du rktd||fV t jj}d}d}n |dusJ ||7 }q |t jjkr|dkr|dusJ ||7 }t jj}ntd q q |t jjkrtd dS dS ) a extract the environment variables and values from the text Format is: VAR_NAME="value" with ignorable whitespace around the construct (and separating each item). Quote characters within the value are backslash escaped. When producing the buildinfo file, dpkg only includes specifically allowed environment variables and thus there is no defined quoting rules for the variable names. The format is described by deb-buildinfo(5) and implemented in dpkg source scripts/dpkg-genbuildinfo.pl:cleansed_environment(), while the environment variables that are included in the output are listed in dpkg source scripts/Dpkg/Build/Info.pm r N="z6Improper quoting in Environment: begin quote not found\z;Improper formatting in Environment: variable name not foundz<Improper formatting in Environment: variable value not foundzIImproper formatting in Environment: couldn't interpret backslash sequencez4Improper quoting in Environment: end quote not found) r r r r r r r rj r ) serialisedr rS ru chr r r# r = sr zBuildInfo._env_deserialiseN)r5 r6 r7 r8 r r r@ r r r r r r r r r r r r r r r r r# r s. , r c @ s~ e Zd ZdZddgg dg dg dg dg dg dddgg dg dg dg dg dg dd Zed d Zd d ZdS ) PdiffIndexz Representation of a foo.diff/Index file from a Debian mirror This class is a thin wrapper around the transparent GPG handling of :class:`_gpg_multivalued` and the parsing of :class:`Deb822`. SHA1r )r r date)r r filenameSHA256)r r r )r r r )z sha1-currentz sha1-historyz sha1-patchesz sha1-downloadzx-unmerged-sha1-historyzx-unmerged-sha1-patcheszx-unmerged-sha1-downloadzsha256-currentzsha256-historyzsha256-patcheszsha256-downloadzx-unmerged-sha256-historyzx-unmerged-sha256-patcheszx-unmerged-sha256-downloadc C s: i }| j D ]}t| | drq| |}d|i||< q|S )NrF r )r rh _get_size_field_lengthrA fixed_field_lengthsrI r r r r# r s z PdiffIndex._fixed_field_lengthsc C s dd | | D }t |S )Nc S g | ] }t t|d qS r rM rq rK r r r r# rL r z5PdiffIndex._get_size_field_length.<locals>.<listcomp>)maxrA rI lengthsr r r# r s z!PdiffIndex._get_size_field_lengthN)r5 r6 r7 r8 r r r r r r r r# r s( r c @ s\ e Zd ZdZg dg dg dg ddZdZdd Zed d eZed d Z dd Z dS )Releasea9 Represents a Release file Set the size_field_behavior attribute to "dak" to make the size field length only as long as the longest actual value. The default, "apt-ftparchive" makes the field 16 characters long regardless. This class is a thin wrapper around the parsing of :class:`Deb822`. r r r r )r r r r apt-ftparchivec C s |dvrt d|| _d S )N)r dakz<size_field_behavior must be either 'apt-ftparchive' or 'dak')rj _Release__size_field_behavior)rA ru r r r# set_size_field_behavior s z Release.set_size_field_behaviorc C s | j S r )r rN r r r# r$ s zRelease.<lambda>c C s* i }| j D ] }| |}d|i||< q|S )Nr )r r r r r r# r s z Release._fixed_field_lengthsc C s: | j dkrdS | j dkrdd | | D }t|S td)Nr r c S r r r r r r r# rL r z2Release._get_size_field_length.<locals>.<listcomp>z%Illegal value for size_field_behavior)size_field_behaviorr rj r r r r# r s z Release._get_size_field_lengthN) r5 r6 r7 r8 r r r r r r r r r r r# r s r c s@ e Zd ZdZg dZdd Ze d fd d Z ZS ) SourceszRepresent an APT source package list This class is a thin wrapper around the parsing of :class:`Deb822`, using the field parsing of :class:`_PkgRelationMixin`. )z build-dependszbuild-depends-indepzbuild-depends-archzbuild-conflictszbuild-conflicts-indepzbuild-conflicts-archbinaryc O r r )r r@ r r" r r r# r@ r zSources.__init__NTFr^ c & |sddi}t t| ||||||S )a Generator that yields a Deb822 object for each paragraph in Sources. Note that this overloaded form of the generator uses apt_pkg (a strict but fast parser) by default. See the :func:`~Deb822.iter_paragraphs` function for details. r F)r? r r r r r r r rg r rC r r# r zSources.iter_paragraphsNTFr^ N) r5 r6 r7 r8 r r@ r r r] r r rC r# r s r c sX e Zd ZdZg dZdd Ze d fd d Zed d Z ed d Z Z S )PackageszRepresent an APT binary package list This class is a thin wrapper around the parsing of :class:`Deb822`, using the field parsing of :class:`_PkgRelationMixin`. ) dependsz pre-depends recommendssuggestsbreaks conflictsprovidesreplacesenhancesz built-usingc O r r )r r@ r r" r r r# r@ / r zPackages.__init__NTFr^ c r )a Generator that yields a Deb822 object for each paragraph in Packages. Note that this overloaded form of the generator uses apt_pkg (a strict but fast parser) by default. See the :func:`~Deb822.iter_paragraphs` function for details. r F)r? r r r rC r r# r 4 r zPackages.iter_paragraphsc C s2 d| vr| d S | j | d }|r|dS dS ) source package that generates the binary package If the source package and source package version are the same as the binary package, an explicit "Source" field will not be within the paragraph. r packageN)r r r r r r r# r L s zPackages.sourcec C sN d| vr| S | j| d }|r |dr |d}n| d }tj|S )r( r rU r )r r r r r r r )rA r rU r r r# source_version] s zPackages.source_versionr ) r5 r6 r7 r8 r r@ r r r r r* r] r r rC r# r # s r c s e Zd ZdZ fddZ ZS )_ClassInitMetaa Metaclass for classes that can be initialized at creation time. Implement the method:: @classmethod def _class_init(cls, new_attrs): pass on a class, and apply this metaclass to it. The _class_init method will be called right after the class is created. The 'new_attrs' param is a dict containing the attributes added in the definition of the class. c s" t t| ||| | | d S r )r? r+ r@ _class_init)r rS basesattrsrC r r# r@ s z_ClassInitMeta.__init__)r5 r6 r7 r8 r@ r] r r rC r# r+ q s r+ c s( e Zd ZdZ d fdd Z ZS )RestrictedFieldzPlaceholder for a property providing access to a restricted field. Use this as an attribute when defining a subclass of RestrictedWrapper. It will be replaced with a property. See the RestrictedWrapper documentation for an example. NTc s t t| j| ||||dS )a Create a new RestrictedField placeholder. The getter that will replace this returns (or applies the given to_str function to) None for fields that do not exist in the underlying data object. :param name: The name of the deb822 field. :param from_str: The function to apply for getters (default is to return the string directly). :param to_str: The function to apply for setters (default is to use the value directly). If allow_none is True, this function may return None, in which case the underlying key is deleted. :param allow_none: Whether it is allowed to set the value to None (which results in the underlying key being deleted). )from_strto_str allow_none)r? r/ __new__)r rS r0 r1 r2 rC r r# r3 s zRestrictedField.__new__)NNT)r5 r6 r7 r8 r3 r] r r rC r# r/ s r/ z name from_str to_str allow_nonec sv e Zd ZdZe Zedd Zedd Z fddZ dd Z d d Z d d Z dd Z dd Z dddZ ZS )RestrictedWrappera@ Base class to wrap a Deb822 object, restricting write access to some keys. The underlying data is hidden internally. Subclasses may keep a reference to the data before giving it to this class's constructor, if necessary, but RestrictedField should cover most use-cases. The dump method from Deb822 is directly proxied. Typical usage:: class Foo(object): def __init__(self, ...): # ... @staticmethod def from_str(self, s): # Parse s... return Foo(...) def to_str(self): # Return in string format. return ... class MyClass(deb822.RestrictedWrapper): def __init__(self): data = deb822.Deb822() data['Bar'] = 'baz' super(MyClass, self).__init__(data) foo = deb822.RestrictedField( 'Foo', from_str=Foo.from_str, to_str=Foo.to_str) bar = deb822.RestrictedField('Bar', allow_none=False) d = MyClass() d['Bar'] # returns 'baz' d['Bar'] = 'quux' # raises RestrictedFieldError d.bar = 'quux' d.bar # returns 'quux' d['Bar'] # returns 'quux' d.foo = Foo(...) d['Foo'] # returns string representation of foo c C sJ g }| D ]\}}t|tr ||j | || qt|| _d S r ) r_ r r/ r rS r_ )_RestrictedWrapper__init_restricted_field frozenset%_RestrictedWrapper__restricted_fields)r new_attrsrestricted_fields attr_namevalr r r# r, s z RestrictedWrapper._class_initc s4 fdd} fdd}t | |t||d j d S )Nc s& | j j} jd ur |S |S r )_RestrictedWrapper__datar rS r0 rA r; r r r# getter s z9RestrictedWrapper.__init_restricted_field.<locals>.getterc s` |d ur j d ur |}|d u r( jr$ j| jv r"| j j= d S d S td|| j j< d S )Nzvalue must not be None)r1 r2 rS r< r r= r> r r# setter s z9RestrictedWrapper.__init_restricted_field.<locals>.setter)setattrr rS )r r: r r? r@ r r> r# __init_restricted_field s z)RestrictedWrapper.__init_restricted_fieldc s t t| || _dS )z5Initializes the wrapper over 'data', a Deb822 object.N)r? r4 r@ r< )rA r[ rC r r# r@ s zRestrictedWrapper.__init__c C s | j | S r )r< rH r r r# r\ rs z RestrictedWrapper.__getitem__c C s( | | jv r td| || j|< d S Nz<%s may not be modified directly; use the associated propertyr_ r7 r: r< r r r r# rw s z RestrictedWrapper.__setitem__c C s& | | jv r td| | j|= d S rC rD rH r r r# rz s z RestrictedWrapper.__delitem__c C rr r )r r< rN r r r# rJ rs zRestrictedWrapper.__iter__c C rr r )rM r< rN r r r# rO rs zRestrictedWrapper.__len__NFc C s | j |||S )zcCalls dump() on the underlying data object. See Deb822.dump for more information. )r< r r r r r# r s zRestrictedWrapper.dumpr )r5 r6 r7 r8 r6 r7 r r, r5 r@ r\ rw rz rJ rO r r] r r rC r# r4 s" , r4 ) metaclassc s| e Zd ZdZedZedZ fddZe dd Z e dd Z e d d Z e d d Z e dd Ze dd Z ZS )Removalsa6 Represent an ftp-master removals.822 file Removal of packages from the archive are recorded by ftp-masters. See https://ftp-master.debian.org/#removed Note: this API is experimental and backwards-incompatible changes might be required in the future. Please use it and help us improve it! z*\s*(?P<package>.+?)_(?P<version>[^\s]+)\s*z;\s*(?P<package>.+?)_(?P<version>[^\s]+)\s+\[(?P<archs>.+)\]c r r )r? rF r@ _sources _binariesr" rC r r# r@ E r% zRemovals.__init__c C s8 t j| d }|du rtdt j|}tj|S )z* a datetime object for the removal action r NzNo date specified)r r r rj r r r r r r r# r K s z Removals.datec C $ d| vrg S dd | d dD S )z list of bug numbers that had requested the package removal The bug numbers are returned as integers. Note: there is normally only one entry in this list but there may be more than one. bugc S r` r intrK br r r# rL a rb z Removals.bug.<locals>.<listcomp>,r rN r r r# rJ U z Removals.bugc C rI )zk list of WNPP bug numbers closed by the removal The bug numbers are returned as integers. z also-wnppc S r` r rK rM r r r# rL l rb z&Removals.also_wnpp.<locals>.<listcomp>r rP rN r r r# also_wnppc s zRemovals.also_wnppc C rI )z list of bug numbers in the package closed by the removal The bug numbers are returned as integers. Removal of a package implicitly also closes all bugs associated with the package. z also-bugsc S r` r rK rM r r r# rL z rb z&Removals.also_bugs.<locals>.<listcomp>r rP rN r r r# also_bugsn rQ zRemovals.also_bugsc C sd | j dur| j S g }d| v r-| d D ]}| j|}|r,||d|dd q|| _ |S )a} list of source packages that were removed A list of dicts is returned, each dict has the form:: { 'source': 'some-package-name', 'version': '1.2.3-1' } Note: There may be no source packages removed at all if the removal is only of a binary package. An empty list is returned in that case. Nsourcesr) rU )r rU )rG r _Removals__sources_line_rer r r )rA rZ r r r r r# rT | s zRemovals.sourcesc C sv | j dur| j S g }d| v r6| d D ]!}| j|}|r5||d|dt|ddd q|| _ |S )a list of binary packages that were removed A list of dicts is returned, each dict has the form:: { 'package': 'some-package-name', 'version': '1.2.3-1', 'architectures': set(['i386', 'amd64']) } Nbinariesr) rU rZ r )r) rU architectures)rH r _Removals__binaries_line_rer r r setr )rA rN r r r r r# rV s zRemovals.binaries)r5 r6 r7 r8 r r rU rX r@ r r rJ rR rS rT rV r] r r rC r# rF , s* rF c @ s e Zd ZdddZdd ZdS )r= Nc C s |pd| _ d S )NzUTF-8)rg )rA rg r r r# r@ r z_AutoDecoder.__init__c C s t |tr?z|| jW S ty> } z&td| j t t |}z||d W W Y d}~S ty9 |w d}~ww |S )z9If value is not already Unicode, decode it intelligently.z?decoding from %s failed; attempting to detect the true encodingrg N) r r rT rg UnicodeDecodeErrorr r UnicodeWarningchardetdetect)rA ru eresultr r r# rT s$ z_AutoDecoder.decoder )r5 r6 r7 r@ rT r r r r# r= s r= )dr8 r collections.abcr email.utilsr r/ r r9 r r\ typingr r r r r r r r r r r r r r r r r r r r r r r IterableInputDataTyper Deb822ValueTyperq r Deb822MutableMappingbuiltinsr typing_extensionsr r ImportError debian._utilr( r) r* r+ debian.deprecationr, debian.debian_supportr debian.changelogr r r r. r1 r6 r6 r7 Exceptionr3 r: _TagSectionWrapper_baseabcr; _Deb822Dict_baser r _BaseGpgInfor r objectrK _lowercase_dict_baser r r r r r r r r r r r r r r+ r r/ r4 rF r= r r r r# <module> s e` / 4 0 NN& r*3*N$