Add a conanfile

This file should take care of downloading the C++ and Python binding
dependencies. It uses the PythonVirtualRunEnv to generate a Virtual
Python Environment, setting the Paths and installing the requirements
specified in the requirements.txt

Contributes to CURA-9365

conanfile.py

@@ -0,0 +1,87 @@
+import os
+
+from platform import python_version
+
+from conan import ConanFile
+from conans import tools
+from conan.errors import ConanInvalidConfiguration
+
+required_conan_version = ">=1.47.0"
+
+
+class CuraConan(ConanFile):
+    name = "cura"
+    license = "LGPL-3.0"
+    author = "Ultimaker B.V."
+    url = "https://github.com/Ultimaker/cura"
+    description = "3D printer / slicing GUI built on top of the Uranium framework"
+    topics = ("conan", "python", "pyqt5", "qt", "qml", "3d-printing", "slicer")
+    build_policy = "missing"
+    exports = "LICENSE*"
+    settings = "os", "compiler", "build_type", "arch"
+    short_paths = True
+    generators = "VirtualPythonEnv"
+    options = {
+        "python_version": "ANY",
+        "enterprise": [True, False],
+        "staging": [True, False],
+        "external_engine": [True, False],
+        "devtools": [True, False]
+    }
+    default_options = {
+        "python_version": "system",
+        "enterprise": False,
+        "staging": False,
+        "external_engine": False,
+        "devtools": False
+    }
+    scm = {
+        "type": "git",
+        "subfolder": ".",
+        "url": "auto",
+        "revision": "auto"
+    }
+
+    @property
+    def requirements_txts(self):
+        if self.options.devtools:
+            return ["requirements.txt", "requirements-dev.txt"]
+        return "requirements.txt"
+
+    def config_options(self):
+        if self.options.python_version == "system":
+            self.options.python_version = python_version()
+
+    def configure(self):
+        self.options["*"].shared = True
+
+    def validate(self):
+        if self.version:
+            if tools.Version(self.version) <= tools.Version("4"):
+                raise ConanInvalidConfiguration("Only versions 5+ are support")
+
+    def requirements(self):
+        self.requires("curaengine/latest@ultimaker/cura-9365")  # FIXME: change to ultimaker/stable once the curaengine PR for CURA-9365 has been merged
+        self.requires("arcus/latest@ultimaker/cura-9365")  # FIXME: change to ultimaker/stable once the arcus PR for CURA-9365 has been merged
+        self.requires("savitar/latest@ultimaker/cura-9365")  # FIXME: change to ultimaker/stable once the savitar PR for CURA-9365 has been merged
+        self.requires("pynest2d/latest@ultimaker/cura-9365")  # FIXME: change to ultimaker/stable once the pynest2d PR for CURA-9365 has been merged
+
+    def generate(self):
+        pass
+
+    def layout(self):
+        self.folders.source = "."
+        self.folders.build = "venv"
+        self.folders.generators = os.path.join(self.folders.build, "conan")
+
+        # FIXME: Once libCharon en Uranium are also Packages
+        if "PYTHONPATH" in os.environ:
+            self.runenv_info.append_path("PYTHONPATH", os.environ["PYTHONPATH"])
+
+    def imports(self):
+        self.copy("CuraEngine.exe", root_package = "curaengine", src = "@bindirs", dst = self.source_folder, keep_path = False)
+        self.copy("CuraEngine", root_package = "curaengine", src = "@bindirs", dst = self.source_folder, keep_path = False)
+        self.copy("*.dll", src = "@bindirs", dst = os.path.join(self.folders.build, "Lib", "site-packages"))
+        self.copy("*.pyd", src = "@libdirs", dst = os.path.join(self.folders.build, "Lib", "site-packages"))
+        self.copy("*.pyi", src = "@libdirs", dst = os.path.join(self.folders.build, "Lib", "site-packages"))
+        self.copy("*.dylib", src = "@libdirs", dst = os.path.join(self.folders.build, "bin"))