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If it's added, any callbacks registered with the ``subscribe()`` method will be called. r7N) insert_onrlocationrrrqr packagingutilscanonicalize_namerr _added_new)rrrinsertr7keyskeys2normalized_names rNrWorkingSet.adds$  NN4<<N @ =MME))%4**4=="=488t{{2  $ DHH#//;;DHHE=AXX))/: 884  KK ! 885 LL " rMcgrVrEr requirementsenv installerreplace_conflictingextrass rNrWorkingSet.resolve&s #rM)rrcgrVrErs rNrr/s #rMcgrVrErs rNrr9s!rMc "[U5SSS2n[5n0n/n[5n [R"[5n U(aUR S5n X;aMU R X5(dM7URXXBX:U5n U RU R5SSS2n URU 5 U H.nXRU R5 U RX'M0 URU 5 U(aMU$)a6List all distributions needed to (recursively) meet `requirements` `requirements` must be a sequence of ``Requirement`` objects. `env`, if supplied, should be an ``Environment`` instance. 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N) rsortrrrmapras_requirementrrodictfromkeysr)rrrrrplugin_projects error_info distributionsr shadow_setrrr resolveesrcsorted_distributionss rNrrs!Xz*46 >@  dll+C  C'C^^B'  S &'+L"0**,- * 2 23Y GIZ^^Y78!((y)AB+1,0 $M2!!##//)''(t$ sD  D2 D--D2cnUR[U55nUHnURU5 M U$)aEnsure that distributions matching `requirements` are activated `requirements` must be a string or a (possibly-nested) sequence thereof, specifying the distributions and versions required. The return value is a sequence of the distributions that needed to be activated to fulfill the requirements; all relevant distributions are included, even if they were already activated in this working set. )rrr)rrneededrs rNrWorkingSet.require s40>?D HHTN rMcXR;agURRU5 U(dgUH nU"U5 M g)zkInvoke `callback` for all distributions If `existing=True` (default), call on all existing ones, as well. 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" ! ' ! !!#'RV$))- J+J JP J " J ' J 3JX >  II%I8 I  I D II(,I  II%I 8 I  I DII(,+/ GG%G) G  G B GG(,RV X0X0%X0P X0  X0   X0t"LP8DH     "&rMrc&\rSrSrSrSSSjjrSrg)ri^z6 Map each requirement to the extras that demanded it. Nc^TR(+=(d1 [U4SjURTS5U=(d S-55$)z Evaluate markers for req against each extra that demanded it. Return False if the req has a marker and fails evaluation. Otherwise, return True. c3\># UH"nTRRSU05v M$ g7f)extraNmarkerevaluate)rr*rs rNr*_ReqExtras.markers_pass..ks/% > JJ  % 0 1 1>s),rE)r)r,anyr-)rrrs ` rNr_ReqExtras.markers_passcs@::~ % #r*fo>% "  rMrErV)rr2rr )rGrHrIrJrSrrLrErMrNrr^s   rMr.c\rSrSrSrS\"5\4SSjjrSSjrSSjr SSSjjr SSjr SS jr \ SSS jj5r\ SSS jj5rSSS jjr\ S S j5r\ SS!Sjj5r\ SS"Sjj5rSS#SjjrS$SjrS%SjrS%SjrSrg)&riqz5Searchable snapshot of distributions on a search pathNcL0UlX lX0lURU5 g)aSnapshot distributions available on a search path Any distributions found on `search_path` are added to the environment. `search_path` should be a sequence of ``sys.path`` items. If not supplied, ``sys.path`` is used. `platform` is an optional string specifying the name of the platform that platform-specific distributions must be compatible with. If unspecified, it defaults to the current platform. `python` is an optional string naming the desired version of Python (e.g. ``'3.6'``); it defaults to the current version. You may explicitly set `platform` (and/or `python`) to ``None`` if you wish to map *all* distributions, not just those compatible with the running platform or Python version. N)_distmaprpythonscan)r search_pathrr4s rNrEnvironment.__init__ts!,8:    +rMcURSL=(d. URSL=(d URUR:HnU=(a [URUR5$)zIs distribution `dist` acceptable for this environment? The distribution must match the platform and python version requirements specified when this environment was created, or False is returned. N)r4 py_versionrr)rr py_compats rNcan_addEnvironment.can_addsX KK4  .$& .$++-  O1$--OOrMcTURURRU5 g)z"Remove `dist` from the environmentN)r3rqremovers rNr>Environment.removes dhh&&t,rMcUc[RnUH&n[U5HnURU5 M M( g)a<Scan `search_path` for distributions usable in this environment Any distributions found are added to the environment. `search_path` should be a sequence of ``sys.path`` items. If not supplied, ``sys.path`` is used. Only distributions conforming to the platform/python version defined at initialization are added. N)rr!rr)rr6rrs rNr5Environment.scans7  ((KD*401 rMcZUR5nURRU/5$)zReturn a newest-to-oldest list of distributions for `project_name` Uses case-insensitive `project_name` comparison, assuming all the project's distributions use their project's name converted to all lowercase as their key. )lowerr3r-)rrdistribution_keys rN __getitem__Environment.__getitem__s+(--/}}  !1266rMc URU5(axUR5(abURRUR/5nX;a6UR U5 UR [R"S5SS9 gggg)zCAdd `dist` if we ``can_add()`` it and it has not already been addedhashcmpT)rqreverseN) r; has_versionr3rrqrroperator attrgetter)rrrs rNrEnvironment.addss <<  $"2"2"4"4MM,,TXXr:E  T" x229=t L!#5 rMcgrVrErrrrrs rNrEnvironment.best_matchsrMcgrVrErOs rNrrPs"rMcURU5nUbU$XRH nXQ;dM Us $ URX5$![a U(deSnNJf=f)ahFind distribution best matching `req` and usable on `working_set` This calls the ``find(req)`` method of the `working_set` to see if a suitable distribution is already active. (This may raise ``VersionConflict`` if an unsuitable version of the project is already active in the specified `working_set`.) If a suitable distribution isn't active, this method returns the newest distribution in the environment that meets the ``Requirement`` in `req`. If no suitable distribution is found, and `installer` is supplied, then the result of calling the environment's ``obtain(req, installer)`` method will be returned. N)rrrqobtain)rrrrrrs rNrrPsk& ##C(D  KMD{ "{{3** &D sAAAcgrVrEr requirementrs rNrSEnvironment.obtains rMcgrVrErUs rNrSrWs rMcgrVrErUs rNrSrWs "rMc$U(aU"U5$S$)aObtain a distribution matching `requirement` (e.g. via download) Obtain a distro that matches requirement (e.g. via download). In the base ``Environment`` class, this routine just returns ``installer(requirement)``, unless `installer` is None, in which case None is returned instead. 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You can change the cache directory by setting the PYTHON_EGG_CACHE environment variable to point to an accessible directory. rE) rexc_inforortextwrapdedentlstriprrrrwrlrm)rold_excrltmplerrs rNextraction_error ResourceManager.extraction_error}sv,,.#))@->-@   " &(# $dkk5FH56 #$ rMc UR=(d [5n[RR"X1S-/UQ76n[ U5 URU5 SURU'U$![ a UR5 N>f=f)afReturn absolute location in cache for `archive_name` and `names` The parent directory of the resulting path will be created if it does not already exist. `archive_name` should be the base filename of the enclosing egg (which may not be the name of the enclosing zipfile!), including its ".egg" extension. `names`, if provided, should be a sequence of path name parts "under" the egg's extraction location. 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Consider a more secure location (set with .set_extraction_path or the PYTHON_EGG_CACHE environment variable).rE) r rLr5environstatst_modeS_IWOTHS_IWGRPrrwarningswarn UserWarning)r!modemsgs rNr,ResourceManager._warn_unsafe_extraction_paths 77d?4??2::h3G#H#H wwt}$$ $,, $"5: f!x!C MM#{ +#6rMc[RS:Xa=[R"U5RS-S-n[R"X5 gg)aPerform any platform-specific postprocessing of `tempname` This is where Mac header rewrites should be done; other platforms don't have anything special they should do. Resource providers should call this method ONLY after successfully extracting a compressed resource. They must NOT call it on resources that are already in the filesystem. `tempname` is the current (temporary) name of the file, and `filename` is the name it will be renamed to by the caller after this routine returns. posiximiN)r rLrrchmod)rtempnamefilenamers rN postprocessResourceManager.postprocesss? 77g WWX&..%76AD HHX $ rMcHUR(a [S5eXlg)abSet the base path where resources will be extracted to, if needed. 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