prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  --no-root behavior is inverted on latest develop
  [This](https://github.com/sdispater/poetry/commit/37ec1447b3508ee0bbdb41f8e5773ed5bfae0654#diff-427299ba040b8502b4d29846e595c2d0R59) should probably be `if self.option("no-root")`, to _not_ install the root package when `--no-root` is provided.
  
  </issue>
  <code>
  [start of poetry/console/commands/install.py]
  1 import os
  2 
  3 from .env_command import EnvCommand
  4 
  5 
  6 class InstallCommand(EnvCommand):
  7     """
  8     Installs the project dependencies.
  9 
  10     install
  11         { --no-dev : Do not install dev dependencies. }
  12         { --no-root : Do not install the root package (your project). }
  13         { --dry-run : Outputs the operations but will not execute anything
  14                       (implicitly enables --verbose). }
  15         { --E|extras=* : Extra sets of dependencies to install. }
  16         { --develop=* : Install given packages in development mode. }
  17     """
  18 
  19     help = """The <info>install</info> command reads the <comment>poetry.lock</> file from
  20 the current directory, processes it, and downloads and installs all the
  21 libraries and dependencies outlined in that file. If the file does not
  22 exist it will look for <comment>pyproject.toml</> and do the same.
  23 
  24 <info>poetry install</info>
  25 """
  26 
  27     _loggers = ["poetry.repositories.pypi_repository"]
  28 
  29     def handle(self):
  30         from clikit.io import NullIO
  31         from poetry.installation import Installer
  32         from poetry.masonry.builders import SdistBuilder
  33         from poetry.masonry.utils.module import ModuleOrPackageNotFound
  34         from poetry.utils._compat import decode
  35         from poetry.utils.env import NullEnv
  36 
  37         installer = Installer(
  38             self.io, self.env, self.poetry.package, self.poetry.locker, self.poetry.pool
  39         )
  40 
  41         extras = []
  42         for extra in self.option("extras"):
  43             if " " in extra:
  44                 extras += [e.strip() for e in extra.split(" ")]
  45             else:
  46                 extras.append(extra)
  47 
  48         installer.extras(extras)
  49         installer.dev_mode(not self.option("no-dev"))
  50         installer.develop(self.option("develop"))
  51         installer.dry_run(self.option("dry-run"))
  52         installer.verbose(self.option("verbose"))
  53 
  54         return_code = installer.run()
  55 
  56         if return_code != 0:
  57             return return_code
  58 
  59         if not self.option("no-root"):
  60             return 0
  61 
  62         try:
  63             builder = SdistBuilder(self.poetry, NullEnv(), NullIO())
  64         except ModuleOrPackageNotFound:
  65             # This is likely due to the fact that the project is an application
  66             # not following the structure expected by Poetry
  67             # If this is a true error it will be picked up later by build anyway.
  68             return 0
  69 
  70         self.line(
  71             "  - Installing <info>{}</info> (<comment>{}</comment>)".format(
  72                 self.poetry.package.pretty_name, self.poetry.package.pretty_version
  73             )
  74         )
  75 
  76         if self.option("dry-run"):
  77             return 0
  78 
  79         setup = self.poetry.file.parent / "setup.py"
  80         has_setup = setup.exists()
  81 
  82         if has_setup:
  83             self.line("<warning>A setup.py file already exists. Using it.</warning>")
  84         else:
  85             with setup.open("w", encoding="utf-8") as f:
  86                 f.write(decode(builder.build_setup()))
  87 
  88         try:
  89             self.env.run("pip", "install", "-e", str(setup.parent), "--no-deps")
  90         finally:
  91             if not has_setup:
  92                 os.remove(str(setup))
  93
  [end of poetry/console/commands/install.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: diff --git a/poetry/console/commands/install.py b/poetry/console/commands/install.py
  --- a/poetry/console/commands/install.py
  +++ b/poetry/console/commands/install.py
  @@ -56,7 +56,7 @@
           if return_code != 0:
               return return_code
   
  -        if not self.option("no-root"):
  +        if self.option("no-root"):
               return 0
   
           try:
  
verification_info: {"golden_diff": "diff --git a/poetry/console/commands/install.py b/poetry/console/commands/install.py\n--- a/poetry/console/commands/install.py\n+++ b/poetry/console/commands/install.py\n@@ -56,7 +56,7 @@\n         if return_code != 0:\n             return return_code\n \n-        if not self.option(\"no-root\"):\n+        if self.option(\"no-root\"):\n             return 0\n \n         try:\n", "issue": "--no-root behavior is inverted on latest develop\n[This](https://github.com/sdispater/poetry/commit/37ec1447b3508ee0bbdb41f8e5773ed5bfae0654#diff-427299ba040b8502b4d29846e595c2d0R59) should probably be `if self.option(\"no-root\")`, to _not_ install the root package when `--no-root` is provided.\n", "before_files": [{"content": "import os\n\nfrom .env_command import EnvCommand\n\n\nclass InstallCommand(EnvCommand):\n    \"\"\"\n    Installs the project dependencies.\n\n    install\n        { --no-dev : Do not install dev dependencies. }\n        { --no-root : Do not install the root package (your project). }\n        { --dry-run : Outputs the operations but will not execute anything\n                      (implicitly enables --verbose). }\n        { --E|extras=* : Extra sets of dependencies to install. }\n        { --develop=* : Install given packages in development mode. }\n    \"\"\"\n\n    help = \"\"\"The <info>install</info> command reads the <comment>poetry.lock</> file from\nthe current directory, processes it, and downloads and installs all the\nlibraries and dependencies outlined in that file. If the file does not\nexist it will look for <comment>pyproject.toml</> and do the same.\n\n<info>poetry install</info>\n\"\"\"\n\n    _loggers = [\"poetry.repositories.pypi_repository\"]\n\n    def handle(self):\n        from clikit.io import NullIO\n        from poetry.installation import Installer\n        from poetry.masonry.builders import SdistBuilder\n        from poetry.masonry.utils.module import ModuleOrPackageNotFound\n        from poetry.utils._compat import decode\n        from poetry.utils.env import NullEnv\n\n        installer = Installer(\n            self.io, self.env, self.poetry.package, self.poetry.locker, self.poetry.pool\n        )\n\n        extras = []\n        for extra in self.option(\"extras\"):\n            if \" \" in extra:\n                extras += [e.strip() for e in extra.split(\" \")]\n            else:\n                extras.append(extra)\n\n        installer.extras(extras)\n        installer.dev_mode(not self.option(\"no-dev\"))\n        installer.develop(self.option(\"develop\"))\n        installer.dry_run(self.option(\"dry-run\"))\n        installer.verbose(self.option(\"verbose\"))\n\n        return_code = installer.run()\n\n        if return_code != 0:\n            return return_code\n\n        if not self.option(\"no-root\"):\n            return 0\n\n        try:\n            builder = SdistBuilder(self.poetry, NullEnv(), NullIO())\n        except ModuleOrPackageNotFound:\n            # This is likely due to the fact that the project is an application\n            # not following the structure expected by Poetry\n            # If this is a true error it will be picked up later by build anyway.\n            return 0\n\n        self.line(\n            \"  - Installing <info>{}</info> (<comment>{}</comment>)\".format(\n                self.poetry.package.pretty_name, self.poetry.package.pretty_version\n            )\n        )\n\n        if self.option(\"dry-run\"):\n            return 0\n\n        setup = self.poetry.file.parent / \"setup.py\"\n        has_setup = setup.exists()\n\n        if has_setup:\n            self.line(\"<warning>A setup.py file already exists. Using it.</warning>\")\n        else:\n            with setup.open(\"w\", encoding=\"utf-8\") as f:\n                f.write(decode(builder.build_setup()))\n\n        try:\n            self.env.run(\"pip\", \"install\", \"-e\", str(setup.parent), \"--no-deps\")\n        finally:\n            if not has_setup:\n                os.remove(str(setup))\n", "path": "poetry/console/commands/install.py"}]}