mirror of
https://github.com/mongodb/mongo.git
synced 2024-11-24 00:17:37 +01:00
109 lines
3.1 KiB
Python
109 lines
3.1 KiB
Python
"""Various utilities that are handy."""
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import codecs
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import os
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import os.path
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import re
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import subprocess
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import sys
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def get_git_branch():
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"""Return the git branch version."""
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if not os.path.exists(".git") or not os.path.isdir(".git"):
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return None
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version = open(".git/HEAD", "r").read().strip()
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if not version.startswith("ref: "):
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return version
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version = version.split("/")
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version = version[len(version) - 1]
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return version
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def get_git_branch_string(prefix="", postfix=""):
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"""Return the git branch name."""
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tt = re.compile(r"[/\\]").split(os.getcwd())
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if len(tt) > 2 and tt[len(tt) - 1] == "mongo":
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par = tt[len(tt) - 2]
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mt = re.compile(r".*_([vV]\d+\.\d+)$").match(par)
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if mt is not None:
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return prefix + mt.group(1).lower() + postfix
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if par.find("Nightly") > 0:
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return ""
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branch = get_git_branch()
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if branch is None or branch == "master":
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return ""
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return prefix + branch + postfix
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def get_git_version():
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"""Return the git version."""
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if not os.path.exists(".git") or not os.path.isdir(".git"):
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return "nogitversion"
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version = open(".git/HEAD", "r").read().strip()
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if not version.startswith("ref: "):
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return version
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version = version[5:]
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git_ver = ".git/" + version
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if not os.path.exists(git_ver):
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return version
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return open(git_ver, "r").read().strip()
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def get_git_describe():
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"""Return 'git describe --abbrev=7'."""
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with open(os.devnull, "r+") as devnull:
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proc = subprocess.Popen(
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"git describe --abbrev=7",
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stdout=subprocess.PIPE,
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stderr=devnull,
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stdin=devnull,
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shell=True,
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)
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return proc.communicate()[0].strip().decode("utf-8")
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def execsys(args):
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"""Execute a subprocess of 'args'."""
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if isinstance(args, str):
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rc = re.compile(r"\s+")
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args = rc.split(args)
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proc = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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res = proc.communicate()
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return res
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def which(executable):
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"""Return full path of 'executable'."""
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if sys.platform == "win32":
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paths = os.environ.get("Path", "").split(";")
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else:
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paths = os.environ.get("PATH", "").split(":")
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for path in paths:
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path = os.path.expandvars(path)
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path = os.path.expanduser(path)
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path = os.path.abspath(path)
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executable_path = os.path.join(path, executable)
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if os.path.exists(executable_path):
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return executable_path
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return executable
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def replace_with_repr(unicode_error):
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"""Codec error handler replacement."""
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# Unicode is a pain, some strings cannot be unicode()'d
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# but we want to just preserve the bytes in a human-readable
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# fashion. This codec error handler will substitute the
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# repr() of the offending bytes into the decoded string
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# at the position they occurred
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offender = unicode_error.object[unicode_error.start : unicode_error.end]
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return (str(repr(offender).strip("'").strip('"')), unicode_error.end)
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codecs.register_error("repr", replace_with_repr)
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