Add a develop command

CHANGELOG.md

@@ -13,6 +13,7 @@
 - Added the `--python` option to the `add` command.
 - Added the `--python` option to the `add` command.
 - Added the `--platform` option to the `add` command.
 - Added the `--platform` option to the `add` command.
 - Added a `--develop` option to the install command to install path dependencies in development/editable mode.
 - Added a `--develop` option to the install command to install path dependencies in development/editable mode.
+- Added a `develop` command to install the current project in development mode.
 
 
 ### Changed
 ### Changed
 
 

poetry/console/application.py

@@ -18,6 +18,7 @@ from .commands import AddCommand
 from .commands import BuildCommand
 from .commands import BuildCommand
 from .commands import CheckCommand
 from .commands import CheckCommand
 from .commands import ConfigCommand
 from .commands import ConfigCommand
+from .commands import DevelopCommand
 from .commands import InitCommand
 from .commands import InitCommand
 from .commands import InstallCommand
 from .commands import InstallCommand
 from .commands import LockCommand
 from .commands import LockCommand
@@ -107,6 +108,7 @@ class Application(BaseApplication):
             BuildCommand(),
             BuildCommand(),
             CheckCommand(),
             CheckCommand(),
             ConfigCommand(),
             ConfigCommand(),
+            DevelopCommand(),
             InitCommand(),
             InitCommand(),
             InstallCommand(),
             InstallCommand(),
             LockCommand(),
             LockCommand(),

poetry/console/commands/__init__.py

@@ -3,6 +3,7 @@ from .add import AddCommand
 from .build import BuildCommand
 from .build import BuildCommand
 from .check import CheckCommand
 from .check import CheckCommand
 from .config import ConfigCommand
 from .config import ConfigCommand
+from .develop import DevelopCommand
 from .init import InitCommand
 from .init import InitCommand
 from .install import InstallCommand
 from .install import InstallCommand
 from .lock import LockCommand
 from .lock import LockCommand

poetry/console/commands/develop.py

+import os
+
+from .venv_command import VenvCommand
+
+
+class DevelopCommand(VenvCommand):
+    """
+    Installs the current project in development mode.
+
+    develop
+    """
+
+    help = """\
+The <info>develop</info> command installs the current project in development mode.
+"""
+
+    def handle(self):
+        from poetry.masonry.builders import SdistBuilder
+        from poetry.io import NullIO
+        from poetry.utils._compat import decode
+        from poetry.utils.venv import NullVenv
+
+        setup = self.poetry.file.parent / 'setup.py'
+        has_setup = setup.exists()
+
+        if has_setup:
+            self.line('<warning>A setup.py file already exists. Using it.</warning>')
+        else:
+            builder = SdistBuilder(self.poetry, NullVenv(), NullIO())
+
+            with setup.open('w') as f:
+                f.write(decode(builder.build_setup()))
+
+        try:
+            self._install(setup)
+        finally:
+            if not has_setup:
+                os.remove(str(setup))
+
+    def _install(self, setup):
+        self.call('install')
+
+        self.line(
+            'Installing <info>{}</info> (<comment>{}</comment>)'.format(
+                self.poetry.package.pretty_name,
+                self.poetry.package.pretty_version
+            )
+        )
+        self.venv.run('pip', 'install', '-e', str(setup.parent), '--no-deps')