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author Spartan322 <Megacake1234@gmail.com>2023-07-25 02:24:01 +0200
committer Spartan322 <Megacake1234@gmail.com>2023-07-26 23:54:58 +0200
commitbe1d0545c2f7a85a63d05b4bdc1020ee284e72cb (patch)
tree09cb0fa0a1dbe83d4833bcd62dc8832161e4329b /scripts/build
parent65443efcc2f4c7d687b2bd9c631f6bb426688bbf (diff)
Initial structural commit
Diffstat (limited to 'scripts/build')
-rw-r--r--scripts/build/cache.py127
-rw-r--r--scripts/build/glob_recursive.py15
-rw-r--r--scripts/build/option_handler.py39
3 files changed, 181 insertions, 0 deletions
diff --git a/scripts/build/cache.py b/scripts/build/cache.py
new file mode 100644
index 0000000..d48b0e0
--- /dev/null
+++ b/scripts/build/cache.py
@@ -0,0 +1,127 @@
+# Copied from https://github.com/godotengine/godot/blob/c3b0a92c3cd9a219c1b1776b48c147f1d0602f07/methods.py#L1049-L1172
+def show_progress(env):
+ import os
+ import sys
+ import glob
+ from SCons.Script import Progress, Command, AlwaysBuild
+
+ screen = sys.stdout
+ # Progress reporting is not available in non-TTY environments since it
+ # messes with the output (for example, when writing to a file)
+ show_progress = env["progress"] and sys.stdout.isatty()
+ node_count = 0
+ node_count_max = 0
+ node_count_interval = 1
+ node_count_fname = str(env.Dir("#")) + "/.scons_node_count"
+
+ import time, math
+
+ class cache_progress:
+ # The default is 1 GB cache and 12 hours half life
+ def __init__(self, path=None, limit=1073741824, half_life=43200):
+ self.path = path
+ self.limit = limit
+ self.exponent_scale = math.log(2) / half_life
+ if env["verbose"] and path != None:
+ screen.write(
+ "Current cache limit is {} (used: {})\n".format(
+ self.convert_size(limit), self.convert_size(self.get_size(path))
+ )
+ )
+ self.delete(self.file_list())
+
+ def __call__(self, node, *args, **kw):
+ nonlocal node_count, node_count_max, node_count_interval, node_count_fname, show_progress
+ if show_progress:
+ # Print the progress percentage
+ node_count += node_count_interval
+ if node_count_max > 0 and node_count <= node_count_max:
+ screen.write("\r[%3d%%] " % (node_count * 100 / node_count_max))
+ screen.flush()
+ elif node_count_max > 0 and node_count > node_count_max:
+ screen.write("\r[100%] ")
+ screen.flush()
+ else:
+ screen.write("\r[Initial build] ")
+ screen.flush()
+
+ def delete(self, files):
+ if len(files) == 0:
+ return
+ if env["verbose"]:
+ # Utter something
+ screen.write("\rPurging %d %s from cache...\n" % (len(files), len(files) > 1 and "files" or "file"))
+ [os.remove(f) for f in files]
+
+ def file_list(self):
+ if self.path is None:
+ # Nothing to do
+ return []
+ # Gather a list of (filename, (size, atime)) within the
+ # cache directory
+ file_stat = [(x, os.stat(x)[6:8]) for x in glob.glob(os.path.join(self.path, "*", "*"))]
+ if file_stat == []:
+ # Nothing to do
+ return []
+ # Weight the cache files by size (assumed to be roughly
+ # proportional to the recompilation time) times an exponential
+ # decay since the ctime, and return a list with the entries
+ # (filename, size, weight).
+ current_time = time.time()
+ file_stat = [(x[0], x[1][0], (current_time - x[1][1])) for x in file_stat]
+ # Sort by the most recently accessed files (most sensible to keep) first
+ file_stat.sort(key=lambda x: x[2])
+ # Search for the first entry where the storage limit is
+ # reached
+ sum, mark = 0, None
+ for i, x in enumerate(file_stat):
+ sum += x[1]
+ if sum > self.limit:
+ mark = i
+ break
+ if mark is None:
+ return []
+ else:
+ return [x[0] for x in file_stat[mark:]]
+
+ def convert_size(self, size_bytes):
+ if size_bytes == 0:
+ return "0 bytes"
+ size_name = ("bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB")
+ i = int(math.floor(math.log(size_bytes, 1024)))
+ p = math.pow(1024, i)
+ s = round(size_bytes / p, 2)
+ return "%s %s" % (int(s) if i == 0 else s, size_name[i])
+
+ def get_size(self, start_path="."):
+ total_size = 0
+ for dirpath, dirnames, filenames in os.walk(start_path):
+ for f in filenames:
+ fp = os.path.join(dirpath, f)
+ total_size += os.path.getsize(fp)
+ return total_size
+
+ def progress_finish(target, source, env):
+ nonlocal node_count, progressor
+ try:
+ with open(node_count_fname, "w") as f:
+ f.write("%d\n" % node_count)
+ progressor.delete(progressor.file_list())
+ except Exception:
+ pass
+
+ try:
+ with open(node_count_fname) as f:
+ node_count_max = int(f.readline())
+ except Exception:
+ pass
+
+ cache_directory = os.environ.get("SCONS_CACHE")
+ # Simple cache pruning, attached to SCons' progress callback. Trim the
+ # cache directory to a size not larger than cache_limit.
+ cache_limit = float(os.getenv("SCONS_CACHE_LIMIT", 1024)) * 1024 * 1024
+ progressor = cache_progress(cache_directory, cache_limit)
+ Progress(progressor, interval=node_count_interval)
+
+ progress_finish_command = Command("progress_finish", [], progress_finish)
+ AlwaysBuild(progress_finish_command)
diff --git a/scripts/build/glob_recursive.py b/scripts/build/glob_recursive.py
new file mode 100644
index 0000000..db6eb80
--- /dev/null
+++ b/scripts/build/glob_recursive.py
@@ -0,0 +1,15 @@
+def GlobRecursive(pattern, nodes=['.']):
+ import SCons
+ import glob
+ fs = SCons.Node.FS.get_default_fs()
+ Glob = fs.Glob
+
+ results = []
+ for node in nodes:
+ nnodes = []
+ for f in Glob(str(node) + '/*', source=True):
+ if type(f) is SCons.Node.FS.Dir:
+ nnodes.append(f)
+ results += GlobRecursive(pattern, nnodes)
+ results += Glob(str(node) + '/' + pattern, source=True)
+ return results
diff --git a/scripts/build/option_handler.py b/scripts/build/option_handler.py
new file mode 100644
index 0000000..3cebc1a
--- /dev/null
+++ b/scripts/build/option_handler.py
@@ -0,0 +1,39 @@
+from typing import Tuple, Iterable
+from SCons.Variables import Variables
+
+class OptionsClass:
+ def __init__(self, args):
+ self.opts = None
+ self.opt_list = []
+ self.args = args
+ self.saved_args = args.copy()
+
+ def Add(self, variableOrKey, *argv, **kwarg):
+
+ self.opt_list.append([variableOrKey, argv, kwarg])
+ # Neccessary to have our own build options without errors
+ if isinstance(variableOrKey, str):
+ self.args.pop(variableOrKey, True)
+ else:
+ self.args.pop(variableOrKey[0], True)
+
+ def Make(self, customs : Iterable[str]):
+ self.args = self.saved_args
+ profile = self.args.get("profile", "")
+ if profile:
+ if os.path.isfile(profile):
+ customs.append(profile)
+ elif os.path.isfile(profile + ".py"):
+ customs.append(profile + ".py")
+ self.opts = Variables(customs, self.args)
+ for opt in self.opt_list:
+ if opt[1] == None and opt[2] == None:
+ self.opts.Add(opt[0])
+ else:
+ self.opts.Add(opt[0], *opt[1], **opt[2])
+
+ def Finalize(self, env):
+ self.opts.Update(env)
+
+ def GenerateHelpText(self, env):
+ return self.opts.GenerateHelpText(env)