build environment and basic folder structure

1 files changed, 272 insertions, 0 deletions

diff --git a/dodo.py b/dodo.py
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index 0000000..fb63007
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+++ b/dodo.py
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+import sys
+import os
+import shutil
+import json
+import yaml
+import subprocess
+from pathlib import Path
+from doit.action import CmdAction
+
+
+sys.path += ['src_py']
+os.environ['PYTHONPATH'] = os.path.abspath('src_py')
+
+DOIT_CONFIG = {
+    'backend': 'sqlite3',
+    'default_tasks': ['dist_build'],
+    'verbosity': 2}
+
+
+# ######################## utility functions #################################
+
+def mkdir_p(*paths):
+    for path in paths:
+        os.makedirs(str(Path(path)), exist_ok=True)
+
+
+def rm_rf(*paths):
+    for path in paths:
+        p = Path(path)
+        if not p.exists():
+            continue
+        if p.is_dir():
+            shutil.rmtree(str(p), ignore_errors=True)
+        else:
+            p.unlink()
+
+
+def cp_r(src, dest):
+    src = Path(src)
+    dest = Path(dest)
+    if src.is_dir():
+        shutil.copytree(str(src), str(dest))
+    else:
+        shutil.copy2(str(src), str(dest))
+
+
+# ########################## global tasks ####################################
+
+def task_clean_all():
+    """Clean all"""
+
+    return {'actions': [(rm_rf, ['build', 'dist'])],
+            'task_dep': ['pyhatter_clean',
+                         'jshatter_clean',
+                         'dist_clean']}
+
+
+def task_gen_all():
+    """Generate all"""
+
+    return {'actions': None,
+            'task_dep': ['pyhatter_gen',
+                         'jshatter_gen']}
+
+
+def task_check_all():
+    """Check all"""
+
+    return {'actions': None,
+            'task_dep': ['pyhatter_check']}
+
+
+# ############################ dist tasks #####################################
+
+def task_dist_clean():
+    """Distribution - clean"""
+
+    return {'actions': [(rm_rf, ['dist'])]}
+
+
+def task_dist_build():
+    """Distribution - build (DEFAULT)"""
+
+    def generate_setup_py():
+        with open('dist/setup.py', 'w', encoding='utf-8') as f:
+            f.write('\n')
+
+    return {'actions': [(rm_rf, ['dist']),
+                        (cp_r, ['build/pyhatter', 'dist']),
+                        (cp_r, ['build/jshatter', 'dist/hatter/web']),
+                        generate_setup_py],
+            'task_dep': [
+                'gen_all',
+                'pyhatter_build',
+                'jshatter_build']}
+
+
+# ########################## pyhatter tasks ###################################
+
+def task_pyhatter_clean():
+    """PyHatter - clean"""
+
+    return {'actions': [(rm_rf, ['build/pyhatter',
+                                 'src_py/hatter/json_validator.py'])]}
+
+
+def task_pyhatter_build():
+    """PyHatter - build"""
+
+    generated_files = {Path('src_py/hatter/json_validator.py')}
+
+    def compile(src_path, dst_path):
+        mkdir_p(dst_path.parent)
+        # if src_path.suffix == '.py':
+        #     py_compile.compile(src_path, dst_path.with_suffix('.pyc'),
+        #                        doraise=True)
+        # else:
+        #     cp_r(src_path, dst_path)
+        cp_r(src_path, dst_path)
+
+    def create_subtask(src_path):
+        dst_path = Path('build/pyhatter') / src_path.relative_to('src_py')
+        return {'name': str(src_path),
+                'actions': [(compile, [src_path, dst_path])],
+                'file_dep': [src_path],
+                'targets': [dst_path]}
+
+    for src_path in generated_files:
+        yield create_subtask(src_path)
+
+    for dirpath, dirnames, filenames in os.walk('src_py'):
+        if '__pycache__' in dirnames:
+            dirnames.remove('__pycache__')
+        for i in filenames:
+            src_path = Path(dirpath) / i
+            if src_path not in generated_files:
+                yield create_subtask(src_path)
+
+
+def task_pyhatter_check():
+    """PyHatter - run flake8"""
+
+    return {'actions': [CmdAction('python -m flake8 .', cwd='src_py')]}
+
+
+def task_pyhatter_gen():
+    """PyHatter - generate additional python modules"""
+
+    return {'actions': None,
+            'task_dep': ['pyhatter_gen_json_validator']}
+
+
+def task_pyhatter_gen_json_validator():
+    """PyHatter - generate json validator"""
+
+    schema_files = list(Path('schemas_json').glob('**/*.yaml'))
+    output_file = Path('src_py/hatter/json_validator.py')
+
+    def parse_schemas():
+        schemas = {}
+        for schema_file in schema_files:
+            with open(schema_file, encoding='utf-8') as f:
+                data = yaml.safe_load(f)
+                if data['id'] in schemas:
+                    raise Exception("duplicate schema id " + data['id'])
+                schemas[data['id']] = data
+        return schemas
+
+    def generate_output():
+        schemas = parse_schemas()
+        with open(output_file, 'w', encoding='utf-8') as f:
+            f.write(
+                '# pylint: skip-file\n'
+                'import jsonschema\n\n\n'
+                '_schemas = ' + repr(schemas) + '  # NOQA\n\n\n'
+                'def validate(data, schema_id):\n'
+                '    """ Validate data with JSON schema\n\n'
+                '    Args:\n'
+                '       data: validated data\n'
+                '       schema_id (str): JSON schema identificator\n\n'
+                '    Raises:\n'
+                '       Exception: validation fails\n\n'
+                '    """\n'
+                '    base_uri = schema_id.split("#")[0] + "#"\n'
+                '    fragment = schema_id.split("#")[1] if "#" in schema_id else ""\n'  # NOQA
+                '    resolver = jsonschema.RefResolver(\n'
+                '        base_uri=base_uri,\n'
+                '        referrer=_schemas[base_uri],\n'
+                '        handlers={"hat": lambda x: _schemas[x + "#"]})\n'
+                '    jsonschema.validate(\n'
+                '        instance=data,\n'
+                '        schema=resolver.resolve_fragment(resolver.referrer, fragment),\n'  # NOQA
+                '        resolver=resolver)\n')
+
+    return {'actions': [generate_output],
+            'file_dep': schema_files,
+            'targets': [output_file]}
+
+
+# ########################## jshatter tasks ###################################
+
+def task_jshatter_clean():
+    """JsHatter - clean"""
+
+    return {'actions': [(rm_rf, ['build/jshatter',
+                                 'src_js/hatter/validator.js'])]}
+
+
+def task_jshatter_install_deps():
+    """JsHatter - install dependencies"""
+
+    def patch():
+        subprocess.Popen(['patch', '-r', '/dev/null', '--forward', '-p0',
+                          '-i', 'node_modules.patch'],
+                         stdout=subprocess.DEVNULL,
+                         stderr=subprocess.DEVNULL).wait()
+
+    return {'actions': ['yarn install',
+                        patch]}
+
+
+def task_jshatter_remove_deps():
+    """JsHatter - remove dependencies"""
+
+    return {'actions': [(rm_rf, ['node_modules', 'yarn.lock'])]}
+
+
+def task_jshatter_gen():
+    """JsHatter - generate additional JavaScript modules"""
+
+    return {'actions': None,
+            'task_dep': ['jshatter_gen_validator']}
+
+
+def task_jshatter_gen_validator():
+    """JsHatter - generate json validator"""
+
+    schema_files = list(Path('schemas_json').glob('**/*.yaml'))
+    output_file = Path('src_js/hatter/validator.js')
+
+    def parse_schemas():
+        for schema_file in schema_files:
+            with open(schema_file, encoding='utf-8') as f:
+                yield yaml.safe_load(f)
+
+    def generate_output():
+        schemas_json = json.dumps(list(parse_schemas()), indent=4)
+        with open(output_file, 'w', encoding='utf-8') as f:
+            f.write(
+                'import tv4 from "tv4";\n\n\n' +
+                schemas_json + '.forEach(i => tv4.addSchema(i.id, i));\n\n\n' +
+                'export function validate(data, schemaId) {\n' +
+                '    return tv4.validate(data, tv4.getSchema(schemaId));\n' +
+                '}\n')
+
+    return {'actions': [generate_output],
+            'file_dep': schema_files,
+            'targets': [output_file]}
+
+
+def task_jshatter_build():
+    """JsHatter - build"""
+
+    return {'actions': ['yarn run build'],
+            'task_dep': ['jshatter_install_deps', 'jshatter_gen']}
+
+
+def task_jshatter_watch():
+    """JsHatter - build on change"""
+
+    return {'actions': ['yarn run watch'],
+            'task_dep': ['jshatter_install_deps', 'jshatter_gen']}