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rj e[ g Z x0 e j e e e\ D] Z e j e q Wx0 e j D]% Z e e j k rL e j e n q' We j e j d d <Yn Xe j Z e j Z e j Z e jR ZR eR ZS e dd g e _ e e e j e j d S( aY Package resource API
--------------------
A resource is a logical file contained within a package, or a logical
subdirectory thereof. The package resource API expects resource names
to have their path parts separated with ``/``, *not* whatever the local
path separator is. Do not use os.path operations to manipulate resource
names being passed into the API.
The package resource API is designed to work with normal filesystem packages,
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.zip files and with custom PEP 302 loaders that support the ``get_data()``
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rz Yq~ Xn | S)aZ Return this platform's maximum compatible version.
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explicitly require a newer version of Mac OS X, we must also know the
current version of the OS.
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run_script get_providerget_distributionload_entry_point
get_entry_mapget_entry_infoiter_entry_pointsresource_stringresource_streamresource_filenameresource_listdirresource_existsresource_isdirdeclare_namespace working_setadd_activation_listenerfind_distributionsset_extraction_pathcleanup_resourcesget_default_cache Environment
WorkingSetResourceManager Distribution Requirement
EntryPointResolutionErrorVersionConflictDistributionNotFound UnknownExtraExtractionErrorparse_requirements
parse_version safe_name safe_version get_platformcompatible_platforms yield_linessplit_sections
safe_extra to_filenameinvalid_markerevaluate_markerensure_directorynormalize_pathEGG_DIST BINARY_DIST SOURCE_DIST
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`loader_type` is the type or class of a PEP 302 ``module.__loader__``,
and `provider_factory` is a function that, passed a *module* object,
returns an ``IResourceProvider`` for that module.
N)_provider_factories) loader_typeprovider_factoryr r r r s c C s t | t r2 t j | p1 t t | d Sy t j | } Wn) t k
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S| j d | j d k s| j d | j d k rd
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Sd Sd
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S)r~ c C s d S)z;Does the package's distribution contain the named metadata?Nr )r r r r has_metadatai s z IMetadataProvider.has_metadatac C s d S)z'The named metadata resource as a stringNr )r r r r get_metadatal s z IMetadataProvider.get_metadatac C s d S)zYield named metadata resource as list of non-blank non-comment lines
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Z d S)r z3An object that provides access to package resourcesc C s d S)zdReturn a true filesystem path for `resource_name`
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r r r r r r r r rX rV r r r r r s c @ s e Z d Z d Z d d d Z d d Z d d Z d d
Z d d d Z d
d Z d d Z
d d d d Z d d d d Z d d d d d Z
d d Z d d Z d d Z d d Z d d! Z d S)"ra zDA collection of active distributions on sys.path (or a similar list)Nc C s^ g | _ i | _ i | _ g | _ | d k r< t j } n x | D] } | j | qC Wd S)z?Create working set from list of path entries (default=sys.path)N)entries
entry_keysby_key callbacksrB r add_entry)r r entryr r r __init__ s
zWorkingSet.__init__c C sT | j j | g | j j | x* t | d D] } | j | | d q3 Wd S)a Add a path item to ``.entries``, finding any distributions on it
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corresponding to the path entry, and they are added. `entry` is
always appended to ``.entries``, even if it is already present.
(This is because ``sys.path`` can contain the same value more than
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equal ``sys.path``.)
TFN)r
setdefaultr r r\ add)r r r r r r r s
zWorkingSet.add_entryc C s | j j | j | k S)z9True if `dist` is the active distribution for its project)r r r6 )r r r r r __contains__ s zWorkingSet.__contains__c C sG | j j | j } | d k r? | | k r? t | | n | Sd S)a Find a distribution matching requirement `req`
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`req`. But, if there is an active distribution for the project and it
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If there is no active distribution for the requested project, ``None``
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N)r r r6 rg )r reqr r r r r s
zWorkingSet.findc c sg x` | D]X } | j | } | d k rG x4 | j D] } | Vq5 Wq | | k r | | Vq q Wd S)a Yield entry point objects from `group` matching `name`
If `name` is None, yields all entry points in `group` from all
distributions in the working set, otherwise only ones matching
both `group` and `name` are yielded (in distribution order).
N)rP values)r rF r r r epr r r rR s
z WorkingSet.iter_entry_pointsc C sQ t j d j } | d } | j | | d <| j | d j | | d S)z?Locate distribution for `requires` and run `script_name` scriptr r r N)rB r r r4 rK rL )r requiresr r r r r r rL s
zWorkingSet.run_scriptc c sp i } xc | j D]X } | | j k r+ q n x: | j | D]+ } | | k r9 d | | <| j | Vq9 q9 Wq Wd S)zYield distributions for non-duplicate projects in the working set
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zWorkingSet.__iter__Tc C s | r | j | j | n | d k r4 | j } n | j j | g } | j j | j g } | j | j k rw d S| | j | j <| j | k r | j | j n | j | k r | j | j n | j | d S)a Add `dist` to working set, associated with `entry`
If `entry` is unspecified, it defaults to the ``.location`` of `dist`.
On exit from this routine, `entry` is added to the end of the working
set's ``.entries`` (if it wasn't already present).
`dist` is only added to the working set if it's for a project that
doesn't already have a distribution in the set. If it's added, any
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N) insert_onr locationr r r6 r r
_added_new)r r r insertkeyskeys2r r r r s zWorkingSet.addc C sV t | d d d } i } i } g } x$| rQ| j d } | | k rU q. n | j | j } | d k r | j j | j } | d k r | d k r t | j } n | j | | | } | | j <| d k r t | q n | j | n | | k r t
| | n | j | j | j
d d d d | | <q. W| S)a List all distributions needed to (recursively) meet `requirements`
`requirements` must be a sequence of ``Requirement`` objects. `env`,
if supplied, should be an ``Environment`` instance. If
not supplied, it defaults to all distributions available within any
entry or distribution in the working set. `installer`, if supplied,
will be invoked with each requirement that cannot be met by an
already-installed distribution; it should return a ``Distribution`` or
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best_matchrh r rg extendr extras) r requirementsenv installer processedbest to_activater r r r r resolve s. &zWorkingSet.resolvec C sP t | } | j i } i } | d k rJ t | j } | | 7} n
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Pq Wq Wt | } | j | | f S)ab Find all activatable distributions in `plugin_env`
Example usage::
distributions, errors = working_set.find_plugins(
Environment(plugin_dirlist)
)
map(working_set.add, distributions) # add plugins+libs to sys.path
print 'Could not load', errors # display errors
The `plugin_env` should be an ``Environment`` instance that contains
only distributions that are in the project's "plugin directory" or
directories. The `full_env`, if supplied, should be an ``Environment``
contains all currently-available distributions. If `full_env` is not
supplied, one is created automatically from the ``WorkingSet`` this
method is called on, which will typically mean that every directory on
``sys.path`` will be scanned for distributions.
`installer` is a standard installer callback as used by the
``resolve()`` method. The `fallback` flag indicates whether we should
attempt to resolve older versions of a plugin if the newest version
cannot be resolved.
This method returns a 2-tuple: (`distributions`, `error_info`), where
`distributions` is a list of the distributions found in `plugin_env`
that were loadable, along with any other distributions that are needed
to resolve their dependencies. `error_info` is a dictionary mapping
unloadable plugin distributions to an exception instance describing the
error that occurred. Usually this will be a ``DistributionNotFound`` or
``VersionConflict`` instance.
Nr )r sortr` r r mapr as_requirementr rf rB exc_infor5 dictfromkeys)r
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shadow_set project_namer r resolveesr. r r r find_pluginsA s6 "
zWorkingSet.find_pluginsc G s7 | j t | } x | D] } | j | q W| S)a Ensure that distributions matching `requirements` are activated
`requirements` must be a string or a (possibly-nested) sequence
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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.
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zWorkingSet.requirec C sB | | j k r d S| j j | x | D] } | | q* Wd S)zAInvoke `callback` for all distributions (including existing ones)N)r r )r callbackr r r r subscribe s
zWorkingSet.subscribec C s" x | j D] } | | q
Wd S)N)r )r r r r r r r s zWorkingSet._added_newc C s< | j d d | j j | j j | j d d f S)N)r r r2 r r )r r r r r/ s (zWorkingSet.__getstate__c C sZ | \ } } } } | d d | _ | j | _ | j | _ | d d | _ d S)N)r r2 r r r )r e_k_b_cr r r r r r r r1 s
zWorkingSet.__setstate__)r r r r r r r r rR rL r r r r rK r r r/ r1 r r r r ra s"
/M c @ s e Z d Z d Z d e e d d Z d d Z d d Z d d d
Z d d Z
d
d Z d d d Z d d d Z
d d Z d d Z d d Z d S)r` z5Searchable snapshot of distributions on a search pathNc C s5 i | _ i | _ | | _ | | _ | j | d S)a! Snapshot 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. ``'3.3'``);
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)_distmapr rC pythonscan)r search_pathrC r r r r r s
zEnvironment.__init__c C sC | j d k s0 | j d k s0 | j | j k oB t | j | j S)zIs distribution `dist` acceptable for this environment?
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is returned.
N)r
py_versionrp rC )r r r r r can_add s zEnvironment.can_addc C s | j | j j | d S)z"Remove `dist` from the environmentN)r r6 remove)r r r r r r! s zEnvironment.removec C sQ | d k r t j } n x2 | D]* } x! t | D] } | j | q2 Wq Wd S)ad 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)rB r r\ r )r r r r r r r r s
zEnvironment.scanc C s y | j | SWn1 t k
rB | j } | | j k r> g SYn X| | j k rw | j | } | j | <t | n | j | S)zKReturn a newest-to-oldest list of distributions for `project_name`
)r r lowerr _sort_dists)r r distsr r r __getitem__ s
zEnvironment.__getitem__c C s | j | r{ | j r{ | j j | j g } | | k r{ | j | | j | j k rx t | j | j qx q{ n d S)z<Add `dist` if we ``can_add()`` it and it isn't already addedN)r has_versionr r r6 r r r# )r r r$ r r r r s
zEnvironment.addc C sW | j | } | d k r | Sx% | | j D] } | | k r- | Sq- W| j | | S)a Find 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)r r6 obtain)r r rZ r r r r r r
s
zEnvironment.best_matchc C s | d k r | | Sd S)a Obtain 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. This method is a hook that allows subclasses
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to the `installer` argument.Nr )r requirementr r r r r' s zEnvironment.obtainc c s0 x) | j j D] } | | r | Vq q Wd S)z=Yield the unique project names of the available distributionsN)r r )r r6 r r r r + s
zEnvironment.__iter__c C s{ t | t r | j | nX t | t rd xF | D]( } x | | D] } | j | qF Wq5 Wn t d | f | S)z2In-place addition of a distribution or environmentzCan't add %r to environment)r rc r r` r )r otherprojectr r r r __iadd__0 s
zEnvironment.__iadd__c C s@ | j g d d d d } x | | f D] } | | 7} q( W| S)z4Add an environment or distribution to an environmentrC Nr )r )r r) newr r r r __add__< s zEnvironment.__add__)r r r r rJ PY_MAJORr r r! r r% r r r' r r+ r- r r r r r` s c @ s e Z d Z d Z d S)rj aT An error occurred extracting a resource
The following attributes are available from instances of this exception:
manager
The resource manager that raised this exception
cache_path
The base directory for resource extraction
original_error
The exception instance that caused extraction to fail
N)r r r r r r r r rj G s
c @ s e Z d Z d Z d Z d d Z d d Z d d Z d d
Z d d Z d
d Z
d d Z d d Z f d d Z
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The following error occurred while trying to extract file(s) to the Python egg
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The Python egg cache directory is currently set to:
%s
Perhaps your account does not have write access to this directory? You can
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N)rB r
extraction_pathr_ rj r
cache_pathoriginal_error)r old_excr2 errr r r extraction_error s z ResourceManager.extraction_errorc C so | j p t } t j j | | d | } y t | Wn | j Yn X| j | d | j | <| S)a Return absolute location in cache for `archive_name` and `names`
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including its ".egg" extension. `names`, if provided, should be a
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If the default extraction path is overridden and set to an insecure
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replace an extracted file with an unauthorized payload. Warn the user
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See Distribute #375 for more details.
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Resource providers should call this method ONLY after successfully
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that are already in the filesystem.
`tempname` is the current (temporary) name of the file, and `filename`
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platform-specific fallbacks. See that routine's documentation for more
details.)
Resources are extracted to subdirectories of this path based upon
information given by the ``IResourceProvider``. You may set this to a
temporary directory, but then you must call ``cleanup_resources()`` to
delete the extracted files when done. There is no guarantee that
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manager once resources have been extracted, unless you first call
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directory exclusive to a single process. This method is not
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Nr )r forcer r r r^ s z!ResourceManager.cleanup_resources)r r r r r1 r rW rX rU rT rS rV r6 r< staticmethodr7 rK r] r^ r r r r rb W s c C s y t j d SWn t k
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Sq Wt d d S)a Determine the default cache location
This returns the ``PYTHON_EGG_CACHE`` environment variable, if set.
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c sf s d d l m m d d l d d l d d l f d d } f d d } f d d } f d
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d 6d d
d 6 j
d 6 j d 6 t d r | j
<q n f d d f d d t j | j d d S)aV
Evaluate a PEP 426 environment marker on CPython 2.4+.
Return a boolean indicating the marker result in this environment.
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This implementation uses the 'parser' module, which is not implemented on
Jython and has been superseded by the 'ast' module in Python 2.6 and
later.
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Yn X| | d | d S) Nr z5Chained comparison not allowed in environment markersr> r r r notznot inzis notz, operator not allowed in environment markers)r rw r r )r~ compcop)ry _opsevaluater r
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d Yn X| S)z
Evaluate a PEP 426 environment marker using markerlib.
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rw r; )rx r r r6 new_keyresulter r r _markerlib_evaluate s
r r c @ s e Z d Z d Z d Z d Z d Z d d Z d d Z d d Z d d
Z
d d Z d
d Z e
j d) k r d d Z n d d Z d d Z d d Z d d Z d d Z d d Z d d Z d d Z d! d" Z d# d$ Z d% d& Z d' d( Z d S)*r zETry to implement resources and metadata for arbitrary PEP 302 loadersNc C s: t | d d | _ t j j t | d d | _ d S)Nr __file__r )r r r r r" module_path)r r r r r r s zNullProvider.__init__c C s | j | j | S)N)_fnr )r r r r r r r s z"NullProvider.get_resource_filenamec C s t | j | | S)N)r r )r r r r r r r s z NullProvider.get_resource_streamc C s | j | j | j | S)N)_getr r )r r r r r r r s z NullProvider.get_resource_stringc C s | j | j | j | S)N)_hasr r )r r r r r r s zNullProvider.has_resourcec C s% | j o$ | j | j | j | S)N)egg_infor r )r r r r r r s zNullProvider.has_metadatar c C s) | j s
d S| j | j | j | S)Nr )r r r )r r r r r r s zNullProvider.get_metadatac C s2 | j s
d S| j | j | j | j d S)Nr zutf-8)r r r decode)r r r r r r s c C s t | j | S)N)rq r )r r r r r r # s z NullProvider.get_metadata_linesc C s | j | j | j | S)N)_isdirr r )r r r r r rX & s zNullProvider.resource_isdirc C s% | j o$ | j | j | j | S)N)r r r )r r r r r r ) s zNullProvider.metadata_isdirc C s | j | j | j | S)N)_listdirr r )r r r r r rV , s z NullProvider.resource_listdirc C s) | j r% | j | j | j | Sg S)N)r r r )r r r r r r / s z NullProvider.metadata_listdirc C s d | } | j | s, t d | n | j | j d d } | j d d } | j | j | } | | d <t j j | r t | | | nW d d l
m } t | d | j
d | f | | <t | | d } t | | | d S)
Nzscripts/zNo script named %rz
r r )cacher
)r rf r r r r r r r r linecacher r r r r
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%zNullProvider.run_scriptc C s t d d S)Nz9Can't perform this operation for unregistered loader type)NotImplementedError)r r r r r r F s zNullProvider._hasc C s t d d S)Nz9Can't perform this operation for unregistered loader type)r )r r r r r r K s zNullProvider._isdirc C s t d d S)Nz9Can't perform this operation for unregistered loader type)r )r r r r r r P s zNullProvider._listdirc C s& | r" t j j | | j d S| S)N/)r r rD r )r baser r r r r U s zNullProvider._fnc C s2 t | j d r" | j j | St d d S)Nget_dataz=Can't perform this operation for loaders without 'get_data()')r r r r )r r r r r r Z s zNullProvider._get)r )r r r r egg_namer r r r r r r r rB rf r r rX r rV r rL r r r r r r r r r r s0 c @ s. e Z d Z d Z d d Z d d Z d S)r z&Provider based on a virtual filesystemc C s t j | | | j d S)N)r r
_setup_prefix)r r r r r r g s zEggProvider.__init__c C s | j } d } x} | | k r | j j d rm t j j | | _ t j j | d | _ | | _ Pn | } t j j
| \ } } q Wd S)Nz.eggzEGG-INFO) r r" endswithr r basenamer rD r egg_rootr )r r oldr r r r r k s zEggProvider._setup_prefixN)r r r r r r r r r r r d s c @ sR e Z d Z d Z d d Z d d Z d d Z d d Z d
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t j | S)N)r listdir)r r r r r r s zDefaultProvider._listdirc C s t | j | j | d S)Nrb)r r r )r r r r r r r s z#DefaultProvider.get_resource_streamc
C s/ t | d } z | j SWd | j Xd S)Nr )r r close)r r streamr r r r s zDefaultProvider._getN) r r r r r r r r r r r r r r y s c @ sP e Z d Z d Z d d Z Z d d Z d d Z d Z d d Z d S) r z.Provider that returns nothing for all requestsc C s d S)NFr )r r r r r r
s zEmptyProvider.<lambda>c C s d S)Nr r )r r r r r r
s c C s g S)Nr )r r r r r r
s Nc C s d S)Nr )r r r r r s zEmptyProvider.__init__)
r r r r r r r r r r r r r r r s c
C s t } t j | } zY xR | j D]D } | j d t j } | j | | | <| | d k s( t q( WWd | j X| S)af
This builds a similar dictionary to the zipimport directory
caches. However instead of tuples, ZipInfo objects are stored.
The translation of the tuple is as follows:
* [0] - zipinfo.filename on stock pythons this needs "/" --> os.sep
on pypy it is the same (one reason why distribute did work
in some cases on pypy and win32).
* [1] - zipinfo.compress_type
* [2] - zipinfo.compress_size
* [3] - zipinfo.file_size
* [4] - len(utf-8 encoding of filename) if zipinfo & 0x800
len(ascii encoding of filename) otherwise
* [5] - (zipinfo.date_time[0] - 1980) << 9 |
zipinfo.date_time[1] << 5 | zipinfo.date_time[2]
* [6] - (zipinfo.date_time[3] - 1980) << 11 |
zipinfo.date_time[4] << 5 | (zipinfo.date_time[5] // 2)
* [7] - zipinfo.CRC
r N)
r zipfileZipFilenamelistr r sepgetinfoAssertionErrorr )r zipinfozfilezitemzpathr r r build_zipmanifest s r c @ s e Z d Z d Z d Z d d Z d d Z d d Z d d
Z e d d Z
d
d Z d d Z d d Z
d d Z d d Z d d Z d d Z d d Z d d Z d S) r z"Resource support for zips and eggsNc C s? t j | | t | j j | _ | j j t j | _ d S)N) r r r r archiver r r zip_pre)r r r r r r s zZipProvider.__init__c C sF | j | j r) | t | j d St d | | j f d S)Nz%s is not a subpath of %s)r r r r )r fspathr r r
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'zZipProvider._partsc C s | j s t d n | j | } | j } d j | j | | k r~ x* | D] } | j | | j | qX Wn | j | | S)Nz5resource_filename() only supported for .egg, not .zipr )r r _resource_to_zip_get_eager_resourcesrD r _extract_resource
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z!ZipProvider.get_resource_filenamec C s/ | j } | j d } t j | } | | f S)Nr r r )r r r ) file_size date_timetimemktime)zip_statsizer timestampr r r _get_date_and_size s
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C s | | j k r^ x9 | j | D]' } | j | t j j | | } q# Wt j j | S| j | j | \ } } t s t d n y)| j
| j | j | } | j
| | r | St d d t j j | \ } } t j | | j j | t j | t | | | f | j | | y t | | Wnm t j k
rt j j | r| j
| | r| St j d k rt | t | | | Sn Yn XWn t j k
r| j Yn X| S)Nz>"os.rename" and "os.unlink" are not supported on this platformz .$extractdirr= )_indexr r r rD r" r r r r r< r r _is_current_mkstempwriter r r r rK r errorisfiler r r6 )
r r r r lastr r real_pathoutftmpnamr r r r s@ $
z ZipProvider._extract_resourcec C s | j | j | \ } } t j j | s2 d St j | } | j | k s_ | j | k rc d S| j j | } t
| d } | j } | j | | k S)zK
Return True if the file_path is current for this zip_path
Fr )
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zZipProvider._is_currentc C sa | j d k rZ g } x6 d D]. } | j | r | j | j | q q W| | _ n | j S)Nnative_libs.txteager_resources.txt)r r )r r r r )r r r r r r r 7 s
z ZipProvider._get_eager_resourcesc C s y | j SWn t k
r i } x | j D]y } | j t j } x^ | r t j j | d d } | | k r | | j | d PqF | j g | | <qF Wq+ W| | _ | SYn Xd S)Nr r r ) _dirindexAttributeErrorr r r r rD r r )r indr partsparentr r r r @ s
zZipProvider._indexc C s. | j | } | | j k p- | | j k S)N)r r r )r r r r r r r Q s zZipProvider._hasc C s | j | | j k S)N)r r )r r r r r r U s zZipProvider._isdirc C s% t | j j | j | f S)N)r r r r )r r r r r r X s zZipProvider._listdirc C s | j | j | j | S)N)r r r )r r r r r r [ s zZipProvider._eager_to_zipc C s | j | j | j | S)N)r r r )r r r r r r ^ s z ZipProvider._resource_to_zip)r r r r r r r r r rM r r r r r r r r r r r r r r r s
1 c @ sF e Z d Z d Z d d Z d d Z d d Z d d Z d
S) r a* Metadata handler for standalone PKG-INFO files
Usage::
metadata = FileMetadata("/path/to/PKG-INFO")
This provider rejects all data and metadata requests except for PKG-INFO,
which is treated as existing, and will be the contents of the file at
the provided location.
c C s
| | _ d S)N)r )r r r r r r p s zFileMetadata.__init__c C s
| d k S)NzPKG-INFOr )r r r r r r s s zFileMetadata.has_metadatac C sH | d k r8 t | j d } | j } | j | St d d S)NzPKG-INFOrUz(No metadata except PKG-INFO is available)r r r r r )r r r metadatar r r r v s
zFileMetadata.get_metadatac C s t | j | S)N)rq r )r r r r r r ~ s z FileMetadata.get_metadata_linesN)r r r r r r r r r r r r r d s
c @ s" e Z d Z d Z d d Z d S)r aq Metadata provider for egg directories
Usage::
# Development eggs:
egg_info = "/path/to/PackageName.egg-info"
base_dir = os.path.dirname(egg_info)
metadata = PathMetadata(base_dir, egg_info)
dist_name = os.path.splitext(os.path.basename(egg_info))[0]
dist = Distribution(basedir,project_name=dist_name,metadata=metadata)
# Unpacked egg directories:
egg_path = "/path/to/PackageName-ver-pyver-etc.egg"
metadata = PathMetadata(egg_path, os.path.join(egg_path,'EGG-INFO'))
dist = Distribution.from_filename(egg_path, metadata=metadata)
c C s | | _ | | _ d S)N)r r )r r r r r r r s zPathMetadata.__init__N)r r r r r r r r r r s c @ s" e Z d Z d Z d d Z d S)r z Metadata provider for .egg filesc C sr t | j | _ | j t j | _ | | _ | j rX t j j | j | j | _
n | j | _
| j d S)z-Create a metadata provider from a zipimporterN) r r r r r r r prefixr rD r r )r importerr r r r s ! zEggMetadata.__init__N)r r r r r r r r r r s r _distribution_findersc C s | t | <d S)ax Register `distribution_finder` to find distributions in sys.path items
`importer_type` is the type or class of a PEP 302 "Importer" (sys.path item
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def namespace_handler(importer,path_entry,moduleName,module):
# return a path_entry to use for child packages
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N)r )r namespace_handlerr r r r s c C s
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| | j | | | _ n | S)zEEnsure that named package includes a subpath of path_item (if needed)N__path__zNot a package:)r find_modulerB r r imp
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r t d | Yn# X| | j | j | | | Sd S) a Parse a single entry point from string `src`
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