Merge pull request #37198 from Xrayez/progress-inside
SCons: Move build progress related logic out of main SConstruct
This commit is contained in:
Rémi Verschelde
GitHub
commit
2aa46ee4ae
118
SConstruct
118
SConstruct
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@ -690,120 +690,4 @@ elif selected_platform != "":
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# The following only makes sense when the env is defined, and assumes it is
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if "env" in locals():
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screen = sys.stdout
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# Progress reporting is not available in non-TTY environments since it
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# messes with the output (for example, when writing to a file)
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show_progress = env["progress"] and sys.stdout.isatty()
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node_count = 0
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node_count_max = 0
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node_count_interval = 1
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node_count_fname = str(env.Dir("#")) + "/.scons_node_count"
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import time, math
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class cache_progress:
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# The default is 1 GB cache and 12 hours half life
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def __init__(self, path=None, limit=1073741824, half_life=43200):
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self.path = path
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self.limit = limit
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self.exponent_scale = math.log(2) / half_life
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if env["verbose"] and path != None:
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screen.write(
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"Current cache limit is {} (used: {})\n".format(
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self.convert_size(limit), self.convert_size(self.get_size(path))
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)
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)
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self.delete(self.file_list())
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def __call__(self, node, *args, **kw):
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global node_count, node_count_max, node_count_interval, node_count_fname, show_progress
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if show_progress:
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# Print the progress percentage
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node_count += node_count_interval
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if node_count_max > 0 and node_count <= node_count_max:
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screen.write("\r[%3d%%] " % (node_count * 100 / node_count_max))
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screen.flush()
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elif node_count_max > 0 and node_count > node_count_max:
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screen.write("\r[100%] ")
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screen.flush()
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else:
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screen.write("\r[Initial build] ")
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screen.flush()
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def delete(self, files):
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if len(files) == 0:
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return
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if env["verbose"]:
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# Utter something
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screen.write("\rPurging %d %s from cache...\n" % (len(files), len(files) > 1 and "files" or "file"))
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[os.remove(f) for f in files]
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def file_list(self):
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if self.path is None:
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# Nothing to do
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return []
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# Gather a list of (filename, (size, atime)) within the
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# cache directory
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file_stat = [(x, os.stat(x)[6:8]) for x in glob.glob(os.path.join(self.path, "*", "*"))]
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if file_stat == []:
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# Nothing to do
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return []
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# Weight the cache files by size (assumed to be roughly
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# proportional to the recompilation time) times an exponential
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# decay since the ctime, and return a list with the entries
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# (filename, size, weight).
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current_time = time.time()
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file_stat = [(x[0], x[1][0], (current_time - x[1][1])) for x in file_stat]
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# Sort by the most recently accessed files (most sensible to keep) first
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file_stat.sort(key=lambda x: x[2])
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# Search for the first entry where the storage limit is
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# reached
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sum, mark = 0, None
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for i, x in enumerate(file_stat):
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sum += x[1]
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if sum > self.limit:
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mark = i
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break
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if mark is None:
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return []
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else:
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return [x[0] for x in file_stat[mark:]]
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def convert_size(self, size_bytes):
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if size_bytes == 0:
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return "0 bytes"
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size_name = ("bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB")
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i = int(math.floor(math.log(size_bytes, 1024)))
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p = math.pow(1024, i)
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s = round(size_bytes / p, 2)
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return "%s %s" % (int(s) if i == 0 else s, size_name[i])
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def get_size(self, start_path="."):
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total_size = 0
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for dirpath, dirnames, filenames in os.walk(start_path):
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for f in filenames:
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fp = os.path.join(dirpath, f)
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total_size += os.path.getsize(fp)
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return total_size
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def progress_finish(target, source, env):
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global node_count, progressor
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with open(node_count_fname, "w") as f:
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f.write("%d\n" % node_count)
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progressor.delete(progressor.file_list())
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try:
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with open(node_count_fname) as f:
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node_count_max = int(f.readline())
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except:
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pass
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cache_directory = os.environ.get("SCONS_CACHE")
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# Simple cache pruning, attached to SCons' progress callback. Trim the
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# cache directory to a size not larger than cache_limit.
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cache_limit = float(os.getenv("SCONS_CACHE_LIMIT", 1024)) * 1024 * 1024
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progressor = cache_progress(cache_directory, cache_limit)
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Progress(progressor, interval=node_count_interval)
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progress_finish_command = Command("progress_finish", [], progress_finish)
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AlwaysBuild(progress_finish_command)
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methods.show_progress(env)
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123
methods.py
123
methods.py
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@ -655,3 +655,126 @@ def using_gcc(env):
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def using_clang(env):
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return "clang" in os.path.basename(env["CC"])
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def show_progress(env):
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import sys
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from SCons.Script import Progress, Command, AlwaysBuild
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screen = sys.stdout
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# Progress reporting is not available in non-TTY environments since it
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# messes with the output (for example, when writing to a file)
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show_progress = env["progress"] and sys.stdout.isatty()
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node_count = 0
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node_count_max = 0
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node_count_interval = 1
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node_count_fname = str(env.Dir("#")) + "/.scons_node_count"
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import time, math
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class cache_progress:
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# The default is 1 GB cache and 12 hours half life
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def __init__(self, path=None, limit=1073741824, half_life=43200):
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self.path = path
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self.limit = limit
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self.exponent_scale = math.log(2) / half_life
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if env["verbose"] and path != None:
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screen.write(
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"Current cache limit is {} (used: {})\n".format(
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self.convert_size(limit), self.convert_size(self.get_size(path))
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)
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)
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self.delete(self.file_list())
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def __call__(self, node, *args, **kw):
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nonlocal node_count, node_count_max, node_count_interval, node_count_fname, show_progress
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if show_progress:
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# Print the progress percentage
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node_count += node_count_interval
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if node_count_max > 0 and node_count <= node_count_max:
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screen.write("\r[%3d%%] " % (node_count * 100 / node_count_max))
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screen.flush()
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elif node_count_max > 0 and node_count > node_count_max:
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screen.write("\r[100%] ")
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screen.flush()
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else:
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screen.write("\r[Initial build] ")
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screen.flush()
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def delete(self, files):
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if len(files) == 0:
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return
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if env["verbose"]:
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# Utter something
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screen.write("\rPurging %d %s from cache...\n" % (len(files), len(files) > 1 and "files" or "file"))
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[os.remove(f) for f in files]
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def file_list(self):
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if self.path is None:
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# Nothing to do
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return []
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# Gather a list of (filename, (size, atime)) within the
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# cache directory
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file_stat = [(x, os.stat(x)[6:8]) for x in glob.glob(os.path.join(self.path, "*", "*"))]
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if file_stat == []:
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# Nothing to do
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return []
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# Weight the cache files by size (assumed to be roughly
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# proportional to the recompilation time) times an exponential
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# decay since the ctime, and return a list with the entries
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# (filename, size, weight).
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current_time = time.time()
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file_stat = [(x[0], x[1][0], (current_time - x[1][1])) for x in file_stat]
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# Sort by the most recently accessed files (most sensible to keep) first
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file_stat.sort(key=lambda x: x[2])
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# Search for the first entry where the storage limit is
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# reached
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sum, mark = 0, None
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for i, x in enumerate(file_stat):
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sum += x[1]
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if sum > self.limit:
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mark = i
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break
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if mark is None:
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return []
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else:
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return [x[0] for x in file_stat[mark:]]
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def convert_size(self, size_bytes):
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if size_bytes == 0:
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return "0 bytes"
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size_name = ("bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB")
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i = int(math.floor(math.log(size_bytes, 1024)))
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p = math.pow(1024, i)
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s = round(size_bytes / p, 2)
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return "%s %s" % (int(s) if i == 0 else s, size_name[i])
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def get_size(self, start_path="."):
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total_size = 0
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for dirpath, dirnames, filenames in os.walk(start_path):
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for f in filenames:
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fp = os.path.join(dirpath, f)
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total_size += os.path.getsize(fp)
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return total_size
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def progress_finish(target, source, env):
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nonlocal node_count, progressor
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with open(node_count_fname, "w") as f:
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f.write("%d\n" % node_count)
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progressor.delete(progressor.file_list())
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try:
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with open(node_count_fname) as f:
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node_count_max = int(f.readline())
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except:
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pass
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cache_directory = os.environ.get("SCONS_CACHE")
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# Simple cache pruning, attached to SCons' progress callback. Trim the
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# cache directory to a size not larger than cache_limit.
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cache_limit = float(os.getenv("SCONS_CACHE_LIMIT", 1024)) * 1024 * 1024
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progressor = cache_progress(cache_directory, cache_limit)
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Progress(progressor, interval=node_count_interval)
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progress_finish_command = Command("progress_finish", [], progress_finish)
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AlwaysBuild(progress_finish_command)
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