[Rename] Rename module and package to pypaimon (#29)

(cherry picked from commit 33d5253)

Author: yuzelin

.github/workflows/check-java-bridge-licensing.yml

@@ -40,14 +40,14 @@ jobs:
       - name: Build
         run: |
           set -o pipefail
-          cd paimon_python_java/paimon-python-java-bridge
+          cd pypaimon/py4j/paimon-python-java-bridge
           mvn clean deploy ${{ env.MVN_COMMON_OPTIONS }} -DskipTests \
             -DaltDeploymentRepository=validation_repository::default::file:${{ env.MVN_VALIDATION_DIR }} \
             | tee ${{ env.MVN_BUILD_OUTPUT_FILE }}
 
       - name: Check licensing
         run: |
-          cd paimon_python_java/paimon-python-java-bridge
+          cd pypaimon/py4j/paimon-python-java-bridge
           mvn ${{ env.MVN_COMMON_OPTIONS }} exec:java@check-licensing -N \
             -Dexec.args="${{ env.MVN_BUILD_OUTPUT_FILE }} $(pwd) ${{ env.MVN_VALIDATION_DIR }}" \
             -Dlog4j.configurationFile=file://$(pwd)/tools/ci/log4j.properties

pypaimon/__init__.py

@@ -0,0 +1,21 @@
+################################################################################
+#  Licensed to the Apache Software Foundation (ASF) under one
+#  or more contributor license agreements.  See the NOTICE file
+#  distributed with this work for additional information
+#  regarding copyright ownership.  The ASF licenses this file
+#  to you under the Apache License, Version 2.0 (the
+#  "License"); you may not use this file except in compliance
+#  with the License.  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+# limitations under the License.
+#################################################################################
+
+from .api import Schema
+
+__all__ = ['Schema']

paimon_python_api/__init__.py pypaimon/api/__init__.pypaimon_python_api/__init__.py renamed to pypaimon/api/__init__.py

@@ -18,7 +18,7 @@
 
 from abc import ABC, abstractmethod
 from typing import Optional
-from paimon_python_api import Table, Schema
+from pypaimon.api import Table, Schema
 
 
 class Catalog(ABC):

paimon_python_api/catalog.py pypaimon/api/catalog.pypaimon_python_api/catalog.py renamed to pypaimon/api/catalog.py

@@ -17,7 +17,7 @@
 #################################################################################
 
 from abc import ABC, abstractmethod
-from paimon_python_api import TableRead, TableScan, Predicate, PredicateBuilder
+from pypaimon.api import TableRead, TableScan, Predicate, PredicateBuilder
 from typing import List
 
 

paimon_python_api/commit_message.py pypaimon/api/commit_message.pypaimon_python_api/commit_message.py renamed to pypaimon/api/commit_message.py

@@ -19,7 +19,7 @@
 import pyarrow as pa
 
 from abc import ABC, abstractmethod
-from paimon_python_api import ReadBuilder, BatchWriteBuilder
+from pypaimon.api import ReadBuilder, BatchWriteBuilder
 from typing import Optional, List
 
 

paimon_python_api/predicate.py pypaimon/api/predicate.pypaimon_python_api/predicate.py renamed to pypaimon/api/predicate.py

@@ -17,7 +17,7 @@
 #################################################################################
 
 from abc import ABC, abstractmethod
-from paimon_python_api import CommitMessage
+from pypaimon.api import CommitMessage
 from typing import List