Source

pypy / pypy / module / zipimport / interp_zipimport.py

Maciej Fijalkows… c6ee25f 
Amaury Forgeot d… 318d102 
Armin Rigo fc2bf1e 
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Maciej Fijalkows… c6ee25f 

Maciej Fijalkows… 3c7f989 
Maciej Fijalkows… cfac527 
Maciej Fijalkows… b5a2e0b 
Maciej Fijalkows… c6ee25f 


Christian Tismer 43f9589 



Maciej Fijalkows… cfac527 
Amaury Forgeot d… 397184a 


Maciej Fijalkows… cfac527 

Maciej Fijalkows… b82a69d 
Maciej Fijalkows… cfac527 
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Maciej Fijalkows… b5a2e0b 












Amaury Forgeot d… 318d102 

Maciej Fijalkows… b5a2e0b 








Alex Gaynor 5914645 
Maciej Fijalkows… b5a2e0b 






























Amaury Forgeot d… 318d102 
Maciej Fijalkows… b5a2e0b 





Amaury Forgeot d… 318d102 
Maciej Fijalkows… b5a2e0b 



















Maciej Fijalkows… c6ee25f 
Alex Gaynor 5914645 
Maciej Fijalkows… c6ee25f 

Amaury Forgeot d… 397184a 
Alex Gaynor 5914645 
Maciej Fijalkows… 1044281 

Amaury Forgeot d… fe81f52 
mattip e16f046 


Maciej Fijalkows… c6ee25f 
Maciej Fijalkows… b5a2e0b 
Amaury Forgeot d… 397184a 

Armin Rigo b7cf52e 
Maciej Fijalkows… b5a2e0b 




Christian Tismer ae43360 





Maciej Fijalkows… b5a2e0b 
Maciej Fijalkows… c6ee25f 

Amaury Forgeot d… b9bffc9 
Maciej Fijalkows… b5a2e0b 
Maciej Fijalkows… cfac527 
Antonio Cuni f1f8040 

Philip Jenvey 9feca11 
Maciej Fijalkows… 3c7f989 
Maciej Fijalkows… cfac527 
Maciej Fijalkows… b5a2e0b 
Maciej Fijalkows… 6a266fa 

Alex Gaynor 5914645 
Maciej Fijalkows… b5a2e0b 
Amaury Forgeot d… 397184a 
Maciej Fijalkows… b5a2e0b 
Maciej Fijalkows… 6a266fa 




Maciej Fijalkows… b5a2e0b 


Maciej Fijalkows… 6a266fa 
Maciej Fijalkows… b5a2e0b 
Maciej Fijalkows… 6a266fa 
Maciej Fijalkows… b5a2e0b 











Amaury Forgeot d… aa7e900 








Maciej Fijalkows… b5a2e0b 
Maciej Fijalkows… cfac527 


Amaury Forgeot d… aa7e900 
Maciej Fijalkows… b5a2e0b 
Maciej Fijalkows… 6a266fa 
Maciej Fijalkows… cfac527 

Amaury Forgeot d… b9bffc9 
Maciej Fijalkows… b5a2e0b 
Maciej Fijalkows… cfac527 




Maciej Fijalkows… c6ee25f 
Christian Tismer 43f9589 


Maciej Fijalkows… c6ee25f 
Alex Gaynor 5914645 
Maciej Fijalkows… b5a2e0b 


Maciej Fijalkows… c6ee25f 
Amaury Forgeot d… 318d102 
Christian Tismer 43f9589 
Amaury Forgeot d… eb809ed 
Maciej Fijalkows… cfac527 
Christian Tismer 43f9589 
Maciej Fijalkows… c6ee25f 

Amaury Forgeot d… eb809ed 
Amaury Forgeot d… c006592 

Amaury Forgeot d… c32c530 
mattip b1d67b6 




Maciej Fijalkows… 9897b48 
Antonio Cuni f1f8040 







Amaury Forgeot d… 318d102 
Christian Tismer 43f9589 
Maciej Fijalkows… c6ee25f 
Amaury Forgeot d… eb809ed 
Maciej Fijalkows… cfac527 

Maciej Fijalkows… b5a2e0b 
Maciej Fijalkows… cfac527 
Alex Gaynor 5914645 
Amaury Forgeot d… 5ba25cc 
Maciej Fijalkows… b5a2e0b 

Maciej Fijalkows… cfac527 
Maciej Fijalkows… f938be9 
Amaury Forgeot d… eb809ed 
Maciej Fijalkows… cfac527 

Maciej Fijalkows… b5a2e0b 

Antonio Cuni 9fa99de 
Maciej Fijalkows… b5a2e0b 

Antonio Cuni 9fa99de 
Maciej Fijalkows… b5a2e0b 



Maciej Fijalkows… 6a266fa 
Maciej Fijalkows… cfac527 
Amaury Forgeot d… af791a1 
Maciej Fijalkows… cfac527 

Maciej Fijalkows… c6ee25f 
Amaury Forgeot d… 318d102 
Christian Tismer 43f9589 
Maciej Fijalkows… b5a2e0b 
Maciej Fijalkows… 9897b48 
Alex Gaynor 5914645 
Amaury Forgeot d… 0be9d04 
Amaury Forgeot d… 5ba25cc 
Maciej Fijalkows… b5a2e0b 
Maciej Fijalkows… ff62a43 
Amaury Forgeot d… 318d102 
Christian Tismer 43f9589 
Amaury Forgeot d… eb809ed 
Maciej Fijalkows… 9897b48 
Christian Tismer 43f9589 
Amaury Forgeot d… aa7e900 

Maciej Fijalkows… 9897b48 
Amaury Forgeot d… aa7e900 






Maciej Fijalkows… 9897b48 
Antonio Cuni f1f8040 
Amaury Forgeot d… aa7e900 
Antonio Cuni f1f8040 
Amaury Forgeot d… aa7e900 
Amaury Forgeot d… af791a1 
Armin Rigo 1641ad7 
Maciej Fijalkows… ff62a43 
Amaury Forgeot d… 318d102 
Christian Tismer 43f9589 
Amaury Forgeot d… eb809ed 
Maciej Fijalkows… 6c96e9b 
Maciej Fijalkows… 9897b48 
Maciej Fijalkows… 6c96e9b 


Amaury Forgeot d… ca4dcce 



Maciej Fijalkows… 6c96e9b 


Amaury Forgeot d… ca4dcce 
Maciej Fijalkows… 6c96e9b 
Amaury Forgeot d… af791a1 
Armin Rigo 1641ad7 
Maciej Fijalkows… 9897b48 
Amaury Forgeot d… 318d102 
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Amaury Forgeot d… eb809ed 
Amaury Forgeot d… e8f6462 



Amaury Forgeot d… af791a1 
Amaury Forgeot d… e8f6462 

Amaury Forgeot d… 318d102 
Christian Tismer 43f9589 
Amaury Forgeot d… eb809ed 
Maciej Fijalkows… 9897b48 
Christian Tismer 43f9589 
Maciej Fijalkows… 9897b48 
Amaury Forgeot d… af791a1 
Armin Rigo 1641ad7 
Maciej Fijalkows… ff62a43 
Amaury Forgeot d… fe81f52 
Jean-Paul Calder… 1662143 
Amaury Forgeot d… 397184a 
Maciej Fijalkows… 6c302bf 
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Maciej Fijalkows… c6ee25f 
Maciej Fijalkows… ea1a097 
Armin Rigo ab143e8 


Maciej Fijalkows… ea1a097 
Armin Rigo ab143e8 

Maciej Fijalkows… ea1a097 




Amaury Forgeot d… 5ba25cc 
Armin Rigo 1641ad7 
Maciej Fijalkows… ea1a097 



Amaury Forgeot d… 5ba25cc 
Armin Rigo 1641ad7 
Maciej Fijalkows… c6ee25f 
Maciej Fijalkows… b5a2e0b 

Amaury Forgeot d… 5ba25cc 
Maciej Fijalkows… b5a2e0b 
Armin Rigo 1641ad7 
Maciej Fijalkows… b5a2e0b 


Amaury Forgeot d… 397184a 
Maciej Fijalkows… b5a2e0b 
Amaury Forgeot d… 5ba25cc 
Armin Rigo 1641ad7 
Maciej Fijalkows… b5a2e0b 
Armin Rigo b7cf52e 
Maciej Fijalkows… b5a2e0b 
mattip 7d3ad3f 
Maciej Fijalkows… 0c36432 
Alex Gaynor 5914645 
Maciej Fijalkows… b5a2e0b 
Maciej Fijalkows… 41c215d 
Maciej Fijalkows… b5a2e0b 
Maciej Fijalkows… c6ee25f 



Maciej Fijalkows… ff62a43 


Amaury Forgeot d… aa7e900 
Maciej Fijalkows… ff62a43 
Maciej Fijalkows… c6ee25f 
Maciej Fijalkows… 6c302bf 
Maciej Fijalkows… 1044281 
Maciej Fijalkows… c6ee25f 
Alex Gaynor 5914645 
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from pypy.interpreter.baseobjspace import Wrappable
from pypy.interpreter.error import OperationError, operationerrfmt
from pypy.interpreter.gateway import interp2app, unwrap_spec
from pypy.interpreter.typedef import TypeDef, GetSetProperty
from pypy.interpreter.module import Module
from pypy.module.imp import importing
from pypy.rlib.unroll import unrolling_iterable
from pypy.rlib.rzipfile import RZipFile, BadZipfile
import os
import stat

ZIPSEP = '/'
# note that zipfiles always use slash, but for OSes with other
# separators, we need to pretend that we had the os.sep.

ENUMERATE_EXTS = unrolling_iterable(
    [(True, True, ZIPSEP + '__init__.pyc'),
     (True, True, ZIPSEP + '__init__.pyo'),
     (False, True, ZIPSEP + '__init__.py'),
     (True, False, '.pyc'),
     (True, False, '.pyo'),
     (False, False, '.py')])

class Cache:
    def __init__(self, space):
        self.w_error = space.new_exception_class("zipimport.ZipImportError",
                                                 space.w_ImportError)

def get_error(space):
    return space.fromcache(Cache).w_error

class W_ZipCache(Wrappable):
    def __init__(self):
        self.cache = {}

    def get(self, name):
        return self.cache[name]

    def set(self, name, w_importer):
        self.cache[name] = w_importer

    # -------------- dict-like interface -----------------
    # I don't care about speed of those, they're obscure anyway
    # THIS IS A TERRIBLE HACK TO BE CPYTHON COMPATIBLE

    @unwrap_spec(name=str)
    def getitem(self, space, name):
        try:
            w_zipimporter = self.cache[name]
        except KeyError:
            raise OperationError(space.w_KeyError, space.wrap(name))
        assert isinstance(w_zipimporter, W_ZipImporter)
        w = space.wrap
        values = {}
        w_d = space.newdict()
        for key, info in w_zipimporter.zip_file.NameToInfo.iteritems():
            w_values = space.newdict()
            space.setitem(w_d, w(key), space.newtuple([
                w(info.filename), w(info.compress_type), w(info.compress_size),
                w(info.file_size), w(info.file_offset), w(info.dostime),
                w(info.dosdate), w(info.CRC)]))
        return w_d

    def keys(self, space):
        return space.newlist([space.wrap(s)
                              for s in self.cache.keys()])

    def values(self, space):
        keys = self.cache.keys()
        values_w = [self.getitem(space, key) for key in keys]
        return space.newlist(values_w)

    def items(self, space):
        w = space.wrap
        items_w = [space.newtuple([w(key), self.getitem(space, key)])
                   for key in self.cache.keys()]
        return space.newlist(items_w)

    def iterkeys(self, space):
        return space.iter(self.keys(space))

    def itervalues(self, space):
        return space.iter(self.values(space))

    def iteritems(self, space):
        return space.iter(self.items(space))

    @unwrap_spec(name=str)
    def contains(self, space, name):
        return space.newbool(name in self.cache)

    def clear(self, space):
        self.cache = {}

    @unwrap_spec(name=str)
    def delitem(self, space, name):
        del self.cache[name]

W_ZipCache.typedef = TypeDef(
    'zip_dict',
    __getitem__ = interp2app(W_ZipCache.getitem),
    __contains__ = interp2app(W_ZipCache.contains),
    __iter__ = interp2app(W_ZipCache.iterkeys),
    items = interp2app(W_ZipCache.items),
    iteritems = interp2app(W_ZipCache.iteritems),
    keys = interp2app(W_ZipCache.keys),
    iterkeys = interp2app(W_ZipCache.iterkeys),
    values = interp2app(W_ZipCache.values),
    itervalues = interp2app(W_ZipCache.itervalues),
    clear = interp2app(W_ZipCache.clear),
    __delitem__ = interp2app(W_ZipCache.delitem),
)

zip_cache = W_ZipCache()

class W_ZipImporter(Wrappable):
    def __init__(self, space, name, filename, zip_file, prefix):
        self.space = space
        self.name = name
        self.filename = filename
        self.zip_file = zip_file
        self.prefix = prefix

    def getprefix(self, space):
        if ZIPSEP == os.path.sep:
            return space.wrap(self.prefix)
        return space.wrap(self.prefix.replace(ZIPSEP, os.path.sep))    

    def _find_relative_path(self, filename):
        if filename.startswith(self.filename):
            filename = filename[len(self.filename):]
        if filename.startswith(os.path.sep) or filename.startswith(ZIPSEP):
            filename = filename[1:]
        if ZIPSEP != os.path.sep:
            filename = filename.replace(os.path.sep, ZIPSEP)
        return filename

    def corr_zname(self, fname):
        if ZIPSEP != os.path.sep:
            return fname.replace(ZIPSEP, os.path.sep)
        else:
            return fname

    def import_py_file(self, space, modname, filename, buf, pkgpath):
        w = space.wrap
        w_mod = w(Module(space, w(modname)))
        real_name = self.filename + os.path.sep + self.corr_zname(filename)
        space.setattr(w_mod, w('__loader__'), space.wrap(self))
        importing._prepare_module(space, w_mod, real_name, pkgpath)
        co_filename = self.make_co_filename(filename)
        code_w = importing.parse_source_module(space, co_filename, buf)
        importing.exec_code_module(space, w_mod, code_w, co_filename, None)
        return w_mod

    def _parse_mtime(self, space, filename):
        w = space.wrap
        try:
            info = self.zip_file.NameToInfo[filename]
            t = info.date_time
        except KeyError:
            return 0
        else:
            w_mktime = space.getattr(space.getbuiltinmodule('time'),
                                     w('mktime'))
            # XXX this is incredible fishing around module limitations
            #     in order to compare timestamps of .py and .pyc files
            # we need time.mktime support on rpython level
            all = [w(t[0]), w(t[1]), w(t[2]), w(t[3]), w(t[4]),
                   w(t[5]), w(0), w(1), w(-1)]
            mtime = int(space.float_w(space.call_function(w_mktime, space.newtuple(all))))
            return mtime

    def check_newer_pyfile(self, space, filename, timestamp):
        mtime = self._parse_mtime(space, filename)
        if mtime == 0:
            return False
        return mtime > timestamp

    def check_compatible_mtime(self, space, filename, timestamp):
        mtime = self._parse_mtime(space, filename)
        if mtime == 0 or mtime != (timestamp & (~1)):
            return False
        return True

    def can_use_pyc(self, space, filename, magic, timestamp):
        if magic != importing.get_pyc_magic(space):
            return False
        if self.check_newer_pyfile(space, filename[:-1], timestamp):
            return False
        if not self.check_compatible_mtime(space, filename, timestamp):
            return False
        return True

    def import_pyc_file(self, space, modname, filename, buf, pkgpath):
        w = space.wrap
        magic = importing._get_long(buf[:4])
        timestamp = importing._get_long(buf[4:8])
        if not self.can_use_pyc(space, filename, magic, timestamp):
            return self.import_py_file(space, modname, filename[:-1], buf,
                                       pkgpath)
        buf = buf[8:] # XXX ugly copy, should use sequential read instead
        w_mod = w(Module(space, w(modname)))
        real_name = self.filename + os.path.sep + self.corr_zname(filename)
        space.setattr(w_mod, w('__loader__'), space.wrap(self))
        importing._prepare_module(space, w_mod, real_name, pkgpath)
        result = importing.load_compiled_module(space, w(modname), w_mod,
                                                filename, magic, timestamp,
                                                buf)
        return result

    def have_modulefile(self, space, filename):
        if ZIPSEP != os.path.sep:
            filename = filename.replace(os.path.sep, ZIPSEP)
        try:
            self.zip_file.NameToInfo[filename]
            return True
        except KeyError:
            return False

    @unwrap_spec(fullname=str)
    def find_module(self, space, fullname, w_path=None):
        filename = self.make_filename(fullname)
        for _, _, ext in ENUMERATE_EXTS:
            if self.have_modulefile(space, filename + ext):
                return space.wrap(self)

    def make_filename(self, fullname):
        startpos = fullname.rfind('.') + 1 # 0 when not found
        assert startpos >= 0
        subname = fullname[startpos:]
        if ZIPSEP == os.path.sep:
            return self.prefix + subname.replace('.', '/')
        else:
            return self.prefix.replace(os.path.sep, ZIPSEP) + \
                    subname.replace('.', '/')

    def make_co_filename(self, filename):
        """
        Return the filename to be used for compiling the module, i.e. what
        gets in code_object.co_filename. Something like
        'myfile.zip/mymodule.py'
        """
        return self.filename + os.path.sep + filename

    @unwrap_spec(fullname=str)
    def load_module(self, space, fullname):
        w = space.wrap
        filename = self.make_filename(fullname)
        last_exc = None
        for compiled, is_package, ext in ENUMERATE_EXTS:
            fname = filename + ext
            try:
                buf = self.zip_file.read(fname)
            except (KeyError, OSError, BadZipfile):
                pass
            else:
                if is_package:
                    pkgpath = (self.filename + os.path.sep +
                               self.corr_zname(filename))
                else:
                    pkgpath = None
                try:
                    if compiled:
                        return self.import_pyc_file(space, fullname, fname,
                                                    buf, pkgpath)
                    else:
                        return self.import_py_file(space, fullname, fname,
                                                   buf, pkgpath)
                except OperationError, e:
                    last_exc = e
                    w_mods = space.sys.get('modules')
                space.call_method(w_mods, 'pop', w(fullname), space.w_None)
        if last_exc:
            raise OperationError(get_error(space), last_exc.get_w_value(space))
        # should never happen I think
        return space.w_None

    @unwrap_spec(filename=str)
    def get_data(self, space, filename):
        filename = self._find_relative_path(filename)
        try:
            data = self.zip_file.read(filename)
            return space.wrapbytes(data)
        except (KeyError, OSError, BadZipfile):
            raise OperationError(space.w_IOError, space.wrap("Error reading file"))

    @unwrap_spec(fullname=str)
    def get_code(self, space, fullname):
        filename = self.make_filename(fullname)
        for compiled, _, ext in ENUMERATE_EXTS:
            if self.have_modulefile(space, filename + ext):
                w_source = self.get_data(space, filename + ext)
                source = space.str_w(w_source)
                if compiled:
                    magic = importing._get_long(source[:4])
                    timestamp = importing._get_long(source[4:8])
                    if not self.can_use_pyc(space, filename + ext,
                                            magic, timestamp):
                        continue
                    code_w = importing.read_compiled_module(
                        space, filename + ext, source[8:])
                else:
                    co_filename = self.make_co_filename(filename+ext)
                    code_w = importing.parse_source_module(
                        space, co_filename, source)
                return space.wrap(code_w)
        raise operationerrfmt(get_error(space),
            "Cannot find source or code for %s in %s", filename, self.name)

    @unwrap_spec(fullname=str)
    def get_source(self, space, fullname):
        filename = self.make_filename(fullname)
        found = False
        for compiled, _, ext in ENUMERATE_EXTS:
            fname = filename + ext
            if self.have_modulefile(space, fname):
                if not compiled:
                    w_data = self.get_data(space, fname)
                    # XXX CPython does not handle the coding cookie either.
                    return space.call_method(w_data, "decode",
                                             space.wrap("utf-8")) 
                else:
                    found = True
        if found:
            # We have the module, but no source.
            return space.w_None
        raise operationerrfmt(get_error(space),
            "Cannot find source for %s in %s", filename, self.name)

    @unwrap_spec(fullname=str)
    def get_filename(self, space, fullname):
        filename = self.make_filename(fullname)
        for _, is_package, ext in ENUMERATE_EXTS:
            if self.have_modulefile(space, filename + ext):
                return space.wrap(self.filename + os.path.sep +
                                  self.corr_zname(filename + ext))
        raise operationerrfmt(get_error(space),
            "Cannot find module %s in %s", filename, self.name)

    @unwrap_spec(fullname=str)
    def is_package(self, space, fullname):
        filename = self.make_filename(fullname)
        for _, is_package, ext in ENUMERATE_EXTS:
            if self.have_modulefile(space, filename + ext):
                return space.wrap(is_package)
        raise operationerrfmt(get_error(space),
            "Cannot find module %s in %s", filename, self.name)

    def getarchive(self, space):
        space = self.space
        return space.wrap(self.filename)

@unwrap_spec(name='str0')
def descr_new_zipimporter(space, w_type, name):
    ok = False
    parts_ends = [i for i in range(0, len(name))
                    if name[i] == os.path.sep or name[i] == ZIPSEP]
    parts_ends.append(len(name))
    filename = "" # make annotator happy
    for i in parts_ends:
        filename = name[:i]
        if not filename:
            filename = os.path.sep
        try:
            s = os.stat(filename)
        except OSError:
            raise operationerrfmt(get_error(space),
                "Cannot find name %s", filename)
        if not stat.S_ISDIR(s.st_mode):
            ok = True
            break
    if not ok:
        raise operationerrfmt(get_error(space),
            "Did not find %s to be a valid zippath", name)
    try:
        w_result = zip_cache.get(filename)
        if w_result is None:
            raise operationerrfmt(get_error(space),
                "Cannot import %s from zipfile, recursion detected or"
                "already tried and failed", name)
    except KeyError:
        zip_cache.cache[filename] = None
    try:
        zip_file = RZipFile(filename, 'r')
    except (BadZipfile, OSError):
        raise operationerrfmt(get_error(space),
            "%s seems not to be a zipfile", filename)
    prefix = name[len(filename):]
    if prefix.startswith(os.path.sep) or prefix.startswith(ZIPSEP):
        prefix = prefix[1:]
    if prefix and not prefix.endswith(ZIPSEP) and not prefix.endswith(os.path.sep):
        prefix += ZIPSEP
    w_result = space.wrap(W_ZipImporter(space, name, filename, zip_file, prefix))
    zip_cache.set(filename, w_result)
    return w_result

W_ZipImporter.typedef = TypeDef(
    'zipimporter',
    __new__     = interp2app(descr_new_zipimporter),
    find_module = interp2app(W_ZipImporter.find_module),
    get_data    = interp2app(W_ZipImporter.get_data),
    get_code    = interp2app(W_ZipImporter.get_code),
    get_source  = interp2app(W_ZipImporter.get_source),
    get_filename = interp2app(W_ZipImporter.get_filename),
    is_package  = interp2app(W_ZipImporter.is_package),
    load_module = interp2app(W_ZipImporter.load_module),
    archive     = GetSetProperty(W_ZipImporter.getarchive),
    prefix      = GetSetProperty(W_ZipImporter.getprefix),
)
Tip: Filter by directory path e.g. /media app.js to search for public/media/app.js.
Tip: Use camelCasing e.g. ProjME to search for ProjectModifiedEvent.java.
Tip: Filter by extension type e.g. /repo .js to search for all .js files in the /repo directory.
Tip: Separate your search with spaces e.g. /ssh pom.xml to search for src/ssh/pom.xml.
Tip: Use ↑ and ↓ arrow keys to navigate and return to view the file.
Tip: You can also navigate files with Ctrl+j (next) and Ctrl+k (previous) and view the file with Ctrl+o.
Tip: You can also navigate files with Alt+j (next) and Alt+k (previous) and view the file with Alt+o.