1 files changed, 60 insertions, 0 deletions
diff --git a/python/build/project.py b/python/build/project.py
new file mode 100644
index 000000000..9a04e9ce4
--- /dev/null
+++ b/python/build/project.py
@@ -0,0 +1,60 @@
+import os, shutil
+import re
+
+from build.download import download_and_verify
+from build.tar import untar
+
+class Project:
+    def __init__(self, url, md5, installed, name=None, version=None,
+                 base=None,
+                 use_cxx=False, use_clang=False):
+        if base is None:
+            basename = os.path.basename(url)
+            m = re.match(r'^(.+)\.(tar(\.(gz|bz2|xz|lzma))?|zip)$', basename)
+            if not m: raise
+            self.base = m.group(1)
+        else:
+            self.base = base
+
+        if name is None or version is None:
+            m = re.match(r'^([-\w]+)-(\d[\d.]*[a-z]?)$', self.base)
+            if name is None: name = m.group(1)
+            if version is None: version = m.group(2)
+
+        self.name = name
+        self.version = version
+
+        self.url = url
+        self.md5 = md5
+        self.installed = installed
+
+        self.use_cxx = use_cxx
+        self.use_clang = use_clang
+
+    def download(self, toolchain):
+        return download_and_verify(self.url, self.md5, toolchain.tarball_path)
+
+    def is_installed(self, toolchain):
+        tarball = self.download(toolchain)
+        installed = os.path.join(toolchain.install_prefix, self.installed)
+        tarball_mtime = os.path.getmtime(tarball)
+        try:
+            return os.path.getmtime(installed) >= tarball_mtime
+        except FileNotFoundError:
+            return False
+
+    def unpack(self, toolchain, out_of_tree=True):
+        if out_of_tree:
+            parent_path = toolchain.src_path
+        else:
+            parent_path = toolchain.build_path
+        return untar(self.download(toolchain), parent_path, self.base)
+
+    def make_build_path(self, toolchain):
+        path = os.path.join(toolchain.build_path, self.base)
+        try:
+            shutil.rmtree(path)
+        except FileNotFoundError:
+            pass
+        os.makedirs(path, exist_ok=True)
+        return path