Python GridFile.read方法代码示例

本文整理汇总了Python中gridfs.grid_file.GridFile.read方法的典型用法代码示例。如果您正苦于以下问题：Python GridFile.read方法的具体用法？Python GridFile.read怎么用？Python GridFile.read使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类gridfs.grid_file.GridFile的用法示例。

在下文中一共展示了GridFile.read方法的11个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: test_basic

# 需要导入模块: from gridfs.grid_file import GridFile [as 别名]
# 或者: from gridfs.grid_file.GridFile import read [as 别名]
    def test_basic(self):
        self.db.fs.files.remove({})
        self.db.fs.chunks.remove({})

        self.assertEqual(self.db.fs.files.find().count(), 0)
        self.assertEqual(self.db.fs.chunks.find().count(), 0)
        file = GridFile({"filename": "test"}, self.db, "w")
        file.write("hello world")
        file.close()

        self.assertEqual(self.db.fs.files.find().count(), 1)
        self.assertEqual(self.db.fs.chunks.find().count(), 1)

        file = GridFile({"filename": "test"}, self.db)
        self.assertEqual(file.read(), "hello world")
        file.close()

        # make sure it's still there...
        file = GridFile({"filename": "test"}, self.db)
        self.assertEqual(file.read(), "hello world")
        file.close()

        file = GridFile({"filename": "test"}, self.db, "w")
        file.close()

        self.assertEqual(self.db.fs.files.find().count(), 1)
        self.assertEqual(self.db.fs.chunks.find().count(), 0)

        file = GridFile({"filename": "test"}, self.db)
        self.assertEqual(file.read(), "")
        file.close()

开发者ID:JMassapina，项目名称:mongo-python-driver，代码行数:33，代码来源:test_grid_file.py

示例2: test_flush_close

# 需要导入模块: from gridfs.grid_file import GridFile [as 别名]
# 或者: from gridfs.grid_file.GridFile import read [as 别名]
    def test_flush_close(self):
        self.db.fs.files.remove({})
        self.db.fs.chunks.remove({})

        file = GridFile({"filename": "test"}, self.db, "w")
        file.flush()
        file.close()
        file.close()
        self.assertRaises(ValueError, file.write, "test")

        file = GridFile({}, self.db)
        self.assertEqual(file.read(), "")
        file.close()

        file = GridFile({"filename": "test"}, self.db, "w")
        file.write("mike")
        file.flush()
        file.write("test")
        file.flush()
        file.write("huh")
        file.flush()
        file.flush()
        file.close()
        file.close()
        self.assertRaises(ValueError, file.write, "test")
        file = GridFile({}, self.db)
        self.assertEqual(file.read(), "miketesthuh")
        file.close()

开发者ID:JMassapina，项目名称:mongo-python-driver，代码行数:30，代码来源:test_grid_file.py

示例3: test_alternate_collection

# 需要导入模块: from gridfs.grid_file import GridFile [as 别名]
# 或者: from gridfs.grid_file.GridFile import read [as 别名]
    def test_alternate_collection(self):
        self.db.pymongo_test.files.remove({})
        self.db.pymongo_test.chunks.remove({})

        self.assertEqual(self.db.pymongo_test.files.find().count(), 0)
        self.assertEqual(self.db.pymongo_test.chunks.find().count(), 0)
        file = GridFile({"filename": "test"}, self.db, "w", collection="pymongo_test")
        file.write("hello world")
        file.close()

        self.assertEqual(self.db.pymongo_test.files.find().count(), 1)
        self.assertEqual(self.db.pymongo_test.chunks.find().count(), 1)

        file = GridFile({"filename": "test"}, self.db, collection="pymongo_test")
        self.assertEqual(file.read(), "hello world")
        file.close()

        # test that md5 still works...
        self.assertEqual(file.md5, "5eb63bbbe01eeed093cb22bb8f5acdc3")

        # make sure it's still there...
        file = GridFile({"filename": "test"}, self.db, collection="pymongo_test")
        self.assertEqual(file.read(), "hello world")
        file.close()

        file = GridFile({"filename": "test"}, self.db, "w", collection="pymongo_test")
        file.close()

        self.assertEqual(self.db.pymongo_test.files.find().count(), 1)
        self.assertEqual(self.db.pymongo_test.chunks.find().count(), 0)

        file = GridFile({"filename": "test"}, self.db, collection="pymongo_test")
        self.assertEqual(file.read(), "")
        file.close()

开发者ID:svetlyak40wt，项目名称:mongo-python-driver，代码行数:36，代码来源:test_grid_file.py

示例4: test_multiple_reads

# 需要导入模块: from gridfs.grid_file import GridFile [as 别名]
# 或者: from gridfs.grid_file.GridFile import read [as 别名]
    def test_multiple_reads(self):
        self.db.fs.files.remove({})
        self.db.fs.chunks.remove({})

        file = GridFile({"filename": "test"}, self.db, "w")
        file.write("hello world")
        file.close()

        file = GridFile({"filename": "test"}, self.db, "r")
        self.assertEqual(file.read(2), "he")
        self.assertEqual(file.read(2), "ll")
        self.assertEqual(file.read(2), "o ")
        self.assertEqual(file.read(2), "wo")
        self.assertEqual(file.read(2), "rl")
        self.assertEqual(file.read(2), "d")
        self.assertEqual(file.read(2), "")
        file.close()

开发者ID:JMassapina，项目名称:mongo-python-driver，代码行数:19，代码来源:test_grid_file.py

示例5: test_modes

# 需要导入模块: from gridfs.grid_file import GridFile [as 别名]
# 或者: from gridfs.grid_file.GridFile import read [as 别名]
    def test_modes(self):
        self.db.fs.files.remove({})
        self.db.fs.chunks.remove({})

        file = GridFile({"filename": "test"}, self.db, "w")
        self.assertRaises(ValueError, file.read)
        file.write("hello")
        file.close()
        self.assertRaises(ValueError, file.read)
        self.assertRaises(ValueError, file.write, "hello")

        file = GridFile({"filename": "test"}, self.db, "r")
        self.assertRaises(ValueError, file.write, "hello")
        file.read()
        file.close()
        self.assertRaises(ValueError, file.read)
        self.assertRaises(ValueError, file.write, "hello")

开发者ID:JMassapina，项目名称:mongo-python-driver，代码行数:19，代码来源:test_grid_file.py

示例6: helper

# 需要导入模块: from gridfs.grid_file import GridFile [as 别名]
# 或者: from gridfs.grid_file.GridFile import read [as 别名]
        def helper(data):
            filename = qcheck.gen_printable_string(qcheck.lift(20))()

            f = GridFile({"filename": filename, "chunkSize": 1}, self.db, "w")
            f.write(data)
            f.close()

            self.files += 1
            self.chunks += len(data)

            self.assertEqual(self.db.fs.files.find().count(), self.files)
            self.assertEqual(self.db.fs.chunks.find().count(), self.chunks)

            f = GridFile({"filename": filename}, self.db)
            self.assertEqual(f.read(), data)
            f.close()

            f = GridFile({"filename": filename}, self.db)
            self.assertEqual(f.read(10) + f.read(10), data)
            f.close()
            return True

开发者ID:JMassapina，项目名称:mongo-python-driver，代码行数:23，代码来源:test_grid_file.py

示例7: test_seek

# 需要导入模块: from gridfs.grid_file import GridFile [as 别名]
# 或者: from gridfs.grid_file.GridFile import read [as 别名]
    def test_seek(self):
        self.db.fs.files.remove({})
        self.db.fs.chunks.remove({})

        file = GridFile({"filename": "test", "chunkSize": 3}, self.db, "w")
        file.write("hello world")
        self.assertRaises(ValueError, file.seek, 0)
        file.close()

        file = GridFile({"filename": "test"}, self.db, "r")
        self.assertEqual(file.read(), "hello world")
        file.seek(0)
        self.assertEqual(file.read(), "hello world")
        file.seek(1)
        self.assertEqual(file.read(), "ello world")
        self.assertRaises(IOError, file.seek, -1)

        file.seek(-3, _SEEK_END)
        self.assertEqual(file.read(), "rld")
        file.seek(0, _SEEK_END)
        self.assertEqual(file.read(), "")
        self.assertRaises(IOError, file.seek, -100, _SEEK_END)

        file.seek(3)
        file.seek(3, _SEEK_CUR)
        self.assertEqual(file.read(), "world")
        self.assertRaises(IOError, file.seek, -100, _SEEK_CUR)

        file.close()

开发者ID:JMassapina，项目名称:mongo-python-driver，代码行数:31，代码来源:test_grid_file.py

示例8: test_overwrite

# 需要导入模块: from gridfs.grid_file import GridFile [as 别名]
# 或者: from gridfs.grid_file.GridFile import read [as 别名]
    def test_overwrite(self):
        self.db.fs.files.remove({})
        self.db.fs.chunks.remove({})

        file = GridFile({"filename": "test"}, self.db, "w")
        file.write("test")
        file.close()

        file = GridFile({"filename": "test"}, self.db, "w")
        file.write("mike")
        file.close()

        f = GridFile({}, self.db)
        self.assertEqual(f.read(), "mike")
        f.close()

开发者ID:JMassapina，项目名称:mongo-python-driver，代码行数:17，代码来源:test_grid_file.py

示例9: test_multi_chunk_file

# 需要导入模块: from gridfs.grid_file import GridFile [as 别名]
# 或者: from gridfs.grid_file.GridFile import read [as 别名]
    def test_multi_chunk_file(self):
        self.db.fs.files.remove({})
        self.db.fs.chunks.remove({})

        random_string = qcheck.gen_string(qcheck.lift(300000))()

        file = GridFile({"filename": "test"}, self.db, "w")
        file.write(random_string)
        file.close()

        self.assertEqual(self.db.fs.files.find().count(), 1)
        self.assertEqual(self.db.fs.chunks.find().count(), 2)

        f = GridFile({}, self.db)
        self.assertEqual(f.read(), random_string)
        f.close()

开发者ID:JMassapina，项目名称:mongo-python-driver，代码行数:18，代码来源:test_grid_file.py

示例10: test_tell

# 需要导入模块: from gridfs.grid_file import GridFile [as 别名]
# 或者: from gridfs.grid_file.GridFile import read [as 别名]
    def test_tell(self):
        self.db.fs.files.remove({})
        self.db.fs.chunks.remove({})

        file = GridFile({"filename": "test", "chunkSize": 3}, self.db, "w")
        file.write("hello world")
        self.assertRaises(ValueError, file.tell)
        file.close()

        file = GridFile({"filename": "test"}, self.db, "r")
        self.assertEqual(file.tell(), 0)
        file.read(0)
        self.assertEqual(file.tell(), 0)
        file.read(1)
        self.assertEqual(file.tell(), 1)
        file.read(2)
        self.assertEqual(file.tell(), 3)
        file.read()
        self.assertEqual(file.tell(), file.length)

        file.close()

开发者ID:JMassapina，项目名称:mongo-python-driver，代码行数:23，代码来源:test_grid_file.py

示例11: test_read_chunks_unaligned_buffer_size

# 需要导入模块: from gridfs.grid_file import GridFile [as 别名]
# 或者: from gridfs.grid_file.GridFile import read [as 别名]
    def test_read_chunks_unaligned_buffer_size(self):
        self.db.fs.files.remove({})
        self.db.fs.chunks.remove({})

        in_data = "This is a text that doesn't quite fit in a single 16-byte chunk."
        f = GridFile({"filename":"test", "chunkSize":16}, self.db, "w")
        f.write(in_data)
        f.close()

        f = GridFile({"filename":"test"}, self.db)
        out_data = ''
        while 1:
            s = f.read(13)
            if not s:
                break
            out_data += s
        f.close()

        self.assertEqual(in_data, out_data)

开发者ID:mcfunley，项目名称:mongo-python-driver，代码行数:21，代码来源:test_grid_file.py

注：本文中的gridfs.grid_file.GridFile.read方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。