From: Daira Hopwood Date: Fri, 21 Nov 2014 05:14:18 +0000 (+0000) Subject: setup.py: improve error reporting when git commands fail. refs #2340 X-Git-Tag: allmydata-tahoe-1.10.1a1~105^2~3 X-Git-Url: https://git.rkrishnan.org/%5B/%5D%20/uri/vdrive?a=commitdiff_plain;h=8e0ec757e7aad42410140c2f68309c1f4861cde0;p=tahoe-lafs%2Ftahoe-lafs.git setup.py: improve error reporting when git commands fail. refs #2340 Signed-off-by: Daira Hopwood --- diff --git a/setup.py b/setup.py index 4b3ad977..f18b82aa 100644 --- a/setup.py +++ b/setup.py @@ -260,25 +260,23 @@ verstr = %(normalized)r __version__ = verstr ''' -def run_command(args, cwd=None, verbose=False): +def run_command(args, cwd=None): try: # remember shell=False, so use git.cmd on windows, not just git p = subprocess.Popen(args, stdout=subprocess.PIPE, cwd=cwd) except EnvironmentError as e: # if this gives a SyntaxError, note that Tahoe-LAFS requires Python 2.6+ - if verbose: - print("unable to run %s" % args[0]) - print(e) + print("Warning: unable to run %r." % (" ".join(args),)) + print(e) return None stdout = p.communicate()[0].strip() if p.returncode != 0: - if verbose: - print("unable to run %s (error)" % args[0]) + print("Warning: %r returned error code %r." % (" ".join(args), p.returncode)) return None return stdout -def versions_from_git(tag_prefix, verbose=False): - # this runs 'git' from the directory that contains this file. That either +def versions_from_git(tag_prefix): + # This runs 'git' from the directory that contains this file. That either # means someone ran a setup.py command (and this code is in # versioneer.py, thus the containing directory is the root of the source # tree), or someone ran a project-specific entry point (and this code is @@ -299,19 +297,21 @@ def versions_from_git(tag_prefix, verbose=False): try: source_dir = os.path.dirname(os.path.abspath(__file__)) - except NameError: + except NameError as e: # some py2exe/bbfreeze/non-CPython implementations don't do __file__ - return {} # not always correct + print("Warning: unable to find version because we could not obtain the source directory.") + print(e) + return {} GIT = "git" if sys.platform == "win32": GIT = "git.cmd" stdout = run_command([GIT, "describe", "--tags", "--dirty", "--always"], cwd=source_dir) if stdout is None: + # run_command already complained. return {} if not stdout.startswith(tag_prefix): - if verbose: - print("tag '%s' doesn't start with prefix '%s'" % (stdout, tag_prefix)) + print("Warning: tag %r doesn't start with prefix %r." % (stdout, tag_prefix)) return {} version = stdout[len(tag_prefix):] pieces = version.split("-") @@ -322,6 +322,7 @@ def versions_from_git(tag_prefix, verbose=False): stdout = run_command([GIT, "rev-parse", "HEAD"], cwd=source_dir) if stdout is None: + # run_command already complained. return {} full = stdout.strip() if version.endswith("-dirty"): @@ -358,7 +359,7 @@ class UpdateVersion(Command): self.distribution.metadata.version = verstr def try_from_git(self): - versions = versions_from_git("allmydata-tahoe-", verbose=True) + versions = versions_from_git("allmydata-tahoe-") if versions: fn = 'src/allmydata/_version.py' f = open(fn, "wb")