Make install installs the current project in editable mode

develop is now deprecated

CHANGELOG.md

@@ -15,6 +15,8 @@
 - Improved virtualenv detection and management.
 - Wildcard `python` dependencies are now equivalent to `~2.7 || ^3.4`.
 - Changed behavior of the resolver for conditional dependencies.
+- The `install` command will now install the current project in editable mode.
+- The `develop` command is now deprecated in favor of `install`.
 - Improved the `check` command.
 
 ### Fixed

poetry/console/commands/develop.py

-import os
-
 from .env_command import EnvCommand
 
 
 class DevelopCommand(EnvCommand):
     """
-    Installs the current project in development mode.
+    Installs the current project in development mode. (<error>Deprecated</error>)
 
     develop
     """
 
     help = """\
-The <info>develop</info> command installs the current project in development mode.
+The <info>develop</> command is deprecated. Please use <info>install</info> instead.
 """
 
     def handle(self):
-        from poetry.masonry.builders import SdistBuilder
-        from poetry.io import NullIO
-        from poetry.utils._compat import decode
-        from poetry.utils.env import NullEnv
-
-        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, NullEnv(), 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("<warning>develop is deprecated use install instead.</warning>")
+        self.line("")
 
-        self.line(
-            "Installing <info>{}</info> (<comment>{}</comment>)".format(
-                self.poetry.package.pretty_name, self.poetry.package.pretty_version
-            )
-        )
-        self.env.run("pip", "install", "-e", str(setup.parent), "--no-deps")
+        return self.call("install")

poetry/console/commands/install.py

+import os
+
 from .env_command import EnvCommand
 
 
@@ -25,6 +27,10 @@ exist it will look for <comment>pyproject.toml</> and do the same.
 
     def handle(self):
         from poetry.installation import Installer
+        from poetry.io import NullIO
+        from poetry.masonry.builders import SdistBuilder
+        from poetry.utils._compat import decode
+        from poetry.utils.env import NullEnv
 
         installer = Installer(
             self.output,
@@ -47,4 +53,29 @@ exist it will look for <comment>pyproject.toml</> and do the same.
         installer.dry_run(self.option("dry-run"))
         installer.verbose(self.option("verbose"))
 
-        return installer.run()
+        return_code = installer.run()
+
+        if return_code != 0:
+            return return_code
+
+        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, NullEnv(), NullIO())
+
+            with setup.open("w") as f:
+                f.write(decode(builder.build_setup()))
+
+        self.line(
+            "Installing <info>{}</info> (<comment>{}</comment>)".format(
+                self.poetry.package.pretty_name, self.poetry.package.pretty_version
+            )
+        )
+        try:
+            self.env.run("pip", "install", "-e", str(setup.parent), "--no-deps")
+        finally:
+            if not has_setup:
+                os.remove(str(setup))