Python util.native方法代码示例

# 需要导入模块: from wheel import util [as 别名]
# 或者: from wheel.util import native [as 别名]
def load(self):
        # XXX JSON is not a great database
        for path in load_config_paths('wheel'):
            conf = os.path.join(native(path), self.CONFIG_NAME)
            if os.path.exists(conf):
                with open(conf, 'r') as infile:
                    self.data = json.load(infile)
                    for x in ('signers', 'verifiers'):
                        if not x in self.data:
                            self.data[x] = []
                    if 'schema' not in self.data:
                        self.data['schema'] = self.SCHEMA
                    elif self.data['schema'] != self.SCHEMA:
                        raise ValueError(
                            "Bad wheel.json version {0}, expected {1}".format(
                                self.data['schema'], self.SCHEMA))
                break
        return self 

# 需要导入模块: from wheel import util [as 别名]
# 或者: from wheel.util import native [as 别名]
def close(self):
        # Write RECORD
        if self.fp is not None and self.mode == 'w' and self._file_hashes:
            data = StringIO()
            writer = csv.writer(data, delimiter=',', quotechar='"', lineterminator='\n')
            writer.writerows((
                (
                    fname,
                    algorithm + "=" + hash_,
                    self._file_sizes[fname]
                )
                for fname, (algorithm, hash_) in self._file_hashes.items()
            ))
            writer.writerow((format(self.record_path), "", ""))
            zinfo = ZipInfo(native(self.record_path), date_time=get_zipinfo_datetime())
            zinfo.compress_type = ZIP_DEFLATED
            zinfo.external_attr = 0o664 << 16
            self.writestr(zinfo, as_bytes(data.getvalue()))

        ZipFile.close(self) 

# 需要导入模块: from wheel import util [as 别名]
# 或者: from wheel.util import native [as 别名]
def close(self):
        # Write RECORD
        if self.fp is not None and self.mode == 'w' and self._file_hashes:
            data = StringIO()
            writer = csv.writer(data, delimiter=',', quotechar='"', lineterminator='\n')
            writer.writerows((
                (
                    fname,
                    algorithm + "=" + hash_,
                    self._file_sizes[fname]
                )
                for fname, (algorithm, hash_) in self._file_hashes.items()
            ))
            writer.writerow((format(self.record_path), "", ""))
            zinfo = ZipInfo(native(self.record_path), date_time=get_zipinfo_datetime())
            zinfo.compress_type = self.compression
            zinfo.external_attr = 0o664 << 16
            self.writestr(zinfo, as_bytes(data.getvalue()))

        ZipFile.close(self) 

# 需要导入模块: from wheel import util [as 别名]
# 或者: from wheel.util import native [as 别名]
def write_record(self, bdist_dir, distinfo_dir):
        from wheel.util import urlsafe_b64encode

        record_path = os.path.join(distinfo_dir, "RECORD")
        record_relpath = os.path.relpath(record_path, bdist_dir)

        def walk():
            for dir, dirs, files in os.walk(bdist_dir):
                dirs.sort()
                for f in sorted(files):
                    yield os.path.join(dir, f)

        def skip(path):
            """Wheel hashes every possible file."""
            return path == record_relpath

        with open_for_csv(record_path, "w+") as record_file:
            writer = csv.writer(record_file)
            for path in walk():
                relpath = os.path.relpath(path, bdist_dir)
                if skip(relpath):
                    hash = ""
                    size = ""
                else:
                    with open(path, "rb") as f:
                        data = f.read()
                    digest = hashlib.sha256(data).digest()
                    hash = "sha256=" + native(urlsafe_b64encode(digest))
                    size = len(data)
                record_path = os.path.relpath(path, bdist_dir).replace(os.path.sep, "/")
                writer.writerow((record_path, hash, size))


# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# -------------------------------------------------------------------------- 

# 需要导入模块: from wheel import util [as 别名]
# 或者: from wheel.util import native [as 别名]
def save(self):
        # Try not to call this a very long time after load() 
        path = save_config_path('wheel')
        conf = os.path.join(native(path), self.CONFIG_NAME)
        with open(conf, 'w+') as out:
            json.dump(self.data, out, indent=2)
        return self 

# 需要导入模块: from wheel import util [as 别名]
# 或者: from wheel.util import native [as 别名]
def open(self, name_or_info, mode="r", pwd=None):
        def _update_crc(newdata, eof=None):
            if eof is None:
                eof = ef._eof
                update_crc_orig(newdata)
            else:  # Python 2
                update_crc_orig(newdata, eof)

            running_hash.update(newdata)
            if eof and running_hash.digest() != expected_hash:
                raise WheelError("Hash mismatch for file '{}'".format(native(ef_name)))

        ef = ZipFile.open(self, name_or_info, mode, pwd)
        ef_name = as_unicode(name_or_info.filename if isinstance(name_or_info, ZipInfo)
                             else name_or_info)
        if mode == 'r' and not ef_name.endswith('/'):
            if ef_name not in self._file_hashes:
                raise WheelError("No hash found for file '{}'".format(native(ef_name)))

            algorithm, expected_hash = self._file_hashes[ef_name]
            if expected_hash is not None:
                # Monkey patch the _update_crc method to also check for the hash from RECORD
                running_hash = hashlib.new(algorithm)
                update_crc_orig, ef._update_crc = ef._update_crc, _update_crc

        return ef 

# 需要导入模块: from wheel import util [as 别名]
# 或者: from wheel.util import native [as 别名]
def writestr(self, zinfo_or_arcname, bytes, compress_type=None):
        ZipFile.writestr(self, zinfo_or_arcname, bytes, compress_type)
        fname = (zinfo_or_arcname.filename if isinstance(zinfo_or_arcname, ZipInfo)
                 else zinfo_or_arcname)
        logger.info("adding '%s'", fname)
        if fname != self.record_path:
            hash_ = self._default_algorithm(bytes)
            self._file_hashes[fname] = hash_.name, native(urlsafe_b64encode(hash_.digest()))
            self._file_sizes[fname] = len(bytes) 

# 需要导入模块: from wheel import util [as 别名]
# 或者: from wheel.util import native [as 别名]
def open(self, name_or_info, mode="r", pwd=None):
        def _update_crc(newdata, eof=None):
            if eof is None:
                eof = ef._eof
                update_crc_orig(newdata)
            else:  # Python 2
                update_crc_orig(newdata, eof)

            running_hash.update(newdata)
            if eof and running_hash.digest() != expected_hash:
                raise WheelError("Hash mismatch for file '{}'".format(native(ef_name)))

        ef = super(WheelFile, self).open(name_or_info, mode, pwd)
        ef_name = as_unicode(name_or_info.filename if isinstance(name_or_info, ZipInfo)
                             else name_or_info)
        if mode == 'r' and not ef_name.endswith('/'):
            if ef_name not in self._file_hashes:
                raise WheelError("No hash found for file '{}'".format(native(ef_name)))

            algorithm, expected_hash = self._file_hashes[ef_name]
            if expected_hash is not None:
                # Monkey patch the _update_crc method to also check for the hash from RECORD
                running_hash = hashlib.new(algorithm)
                update_crc_orig, ef._update_crc = ef._update_crc, _update_crc

        return ef 

# 需要导入模块: from wheel import util [as 别名]
# 或者: from wheel.util import native [as 别名]
def writestr(self, zinfo_or_arcname, bytes, compress_type=None):
        super(WheelFile, self).writestr(zinfo_or_arcname, bytes, compress_type)
        fname = (zinfo_or_arcname.filename if isinstance(zinfo_or_arcname, ZipInfo)
                 else zinfo_or_arcname)
        logger.info("adding '%s'", fname)
        if fname != self.record_path:
            hash_ = self._default_algorithm(bytes)
            self._file_hashes[fname] = hash_.name, native(urlsafe_b64encode(hash_.digest()))
            self._file_sizes[fname] = len(bytes) 

# 需要导入模块: from wheel import util [as 别名]
# 或者: from wheel.util import native [as 别名]
def close(self):
        # Write RECORD
        if self.fp is not None and self.mode == 'w' and self._file_hashes:
            content = '\n'.join('{},{}={},{}'.format(fname, algorithm, hash_,
                                                     self._file_sizes[fname])
                                for fname, (algorithm, hash_) in self._file_hashes.items())
            content += '\n{},,\n'.format(self.record_path)
            zinfo = ZipInfo(native(self.record_path), date_time=get_zipinfo_datetime())
            zinfo.compress_type = ZIP_DEFLATED
            zinfo.external_attr = 0o664 << 16
            self.writestr(zinfo, as_bytes(content))

        super(WheelFile, self).close()