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# This file helps to compute a version number in source trees obtained from 

# git-archive tarball (such as those provided by githubs download-from-tag 

# feature). Distribution tarballs (built by setup.py sdist) and build 

# directories (produced by setup.py build) will contain a much shorter file 

# that just contains the computed version number. 

 

# This file is released into the public domain. Generated by 

# versioneer-0.15 (https://github.com/warner/python-versioneer) 

 

import errno 

import os 

import re 

import subprocess 

import sys 

 

 

def get_keywords(): 

    # these strings will be replaced by git during git-archive. 

    # setup.py/versioneer.py will grep for the variable names, so they must 

    # each be defined on a line of their own. _version.py will just call 

    # get_keywords(). 

    git_refnames = "$Format:%d$" 

    git_full = "$Format:%H$" 

    keywords = {"refnames": git_refnames, "full": git_full} 

    return keywords 

 

 

class VersioneerConfig: 

    pass 

 

 

def get_config(): 

    # these strings are filled in when 'setup.py versioneer' creates 

    # _version.py 

    cfg = VersioneerConfig() 

    cfg.VCS = "git" 

    cfg.style = "pep440" 

    cfg.tag_prefix = "tendril-framework-" 

    cfg.parentdir_prefix = "tendril-framework-" 

    cfg.versionfile_source = "tendril/_version.py" 

    cfg.verbose = True 

    return cfg 

 

 

class NotThisMethod(Exception): 

    pass 

 

 

LONG_VERSION_PY = {} 

HANDLERS = {} 

 

 

def register_vcs_handler(vcs, method):  # decorator 

    def decorate(f): 

        if vcs not in HANDLERS: 

            HANDLERS[vcs] = {} 

        HANDLERS[vcs][method] = f 

        return f 

    return decorate 

 

 

def run_command(commands, args, cwd=None, verbose=False, hide_stderr=False): 

    assert isinstance(commands, list) 

    p = None 

    for c in commands: 

        try: 

            dispcmd = str([c] + args) 

            # remember shell=False, so use git.cmd on windows, not just git 

            p = subprocess.Popen([c] + args, cwd=cwd, stdout=subprocess.PIPE, 

                                 stderr=(subprocess.PIPE if hide_stderr 

                                         else None)) 

            break 

        except EnvironmentError: 

            e = sys.exc_info()[1] 

            if e.errno == errno.ENOENT: 

                continue 

            if verbose: 

                print("unable to run %s" % dispcmd) 

                print(e) 

            return None 

    else: 

        if verbose: 

            print("unable to find command, tried %s" % (commands,)) 

        return None 

    stdout = p.communicate()[0].strip() 

    if sys.version_info[0] >= 3: 

        stdout = stdout.decode() 

    if p.returncode != 0: 

        if verbose: 

            print("unable to run %s (error)" % dispcmd) 

        return None 

    return stdout 

 

 

def versions_from_parentdir(parentdir_prefix, root, verbose): 

    # Source tarballs conventionally unpack into a directory that includes 

    # both the project name and a version string. 

    dirname = os.path.basename(root) 

    if not dirname.startswith(parentdir_prefix): 

        if verbose: 

            print("guessing rootdir is '%s', but '%s' doesn't start with " 

                  "prefix '%s'" % (root, dirname, parentdir_prefix)) 

        raise NotThisMethod("rootdir doesn't start with parentdir_prefix") 

    return {"version": dirname[len(parentdir_prefix):], 

            "full-revisionid": None, 

            "dirty": False, "error": None} 

 

 

@register_vcs_handler("git", "get_keywords") 

def git_get_keywords(versionfile_abs): 

    # the code embedded in _version.py can just fetch the value of these 

    # keywords. When used from setup.py, we don't want to import _version.py, 

    # so we do it with a regexp instead. This function is not used from 

    # _version.py. 

    keywords = {} 

    try: 

        f = open(versionfile_abs, "r") 

        for line in f.readlines(): 

            if line.strip().startswith("git_refnames ="): 

                mo = re.search(r'=\s*"(.*)"', line) 

                if mo: 

                    keywords["refnames"] = mo.group(1) 

            if line.strip().startswith("git_full ="): 

                mo = re.search(r'=\s*"(.*)"', line) 

                if mo: 

                    keywords["full"] = mo.group(1) 

        f.close() 

    except EnvironmentError: 

        pass 

    return keywords 

 

 

@register_vcs_handler("git", "keywords") 

def git_versions_from_keywords(keywords, tag_prefix, verbose): 

    if not keywords: 

        raise NotThisMethod("no keywords at all, weird") 

    refnames = keywords["refnames"].strip() 

    if refnames.startswith("$Format"): 

        if verbose: 

            print("keywords are unexpanded, not using") 

        raise NotThisMethod("unexpanded keywords, not a git-archive tarball") 

    refs = set([r.strip() for r in refnames.strip("()").split(",")]) 

    # starting in git-1.8.3, tags are listed as "tag: foo-1.0" instead of 

    # just "foo-1.0". If we see a "tag: " prefix, prefer those. 

    TAG = "tag: " 

    tags = set([r[len(TAG):] for r in refs if r.startswith(TAG)]) 

    if not tags: 

        # Either we're using git < 1.8.3, or there really are no tags. We use 

        # a heuristic: assume all version tags have a digit. The old git %d 

        # expansion behaves like git log --decorate=short and strips out the 

        # refs/heads/ and refs/tags/ prefixes that would let us distinguish 

        # between branches and tags. By ignoring refnames without digits, we 

        # filter out many common branch names like "release" and 

        # "stabilization", as well as "HEAD" and "master". 

        tags = set([r for r in refs if re.search(r'\d', r)]) 

        if verbose: 

            print("discarding '%s', no digits" % ",".join(refs-tags)) 

    if verbose: 

        print("likely tags: %s" % ",".join(sorted(tags))) 

    for ref in sorted(tags): 

        # sorting will prefer e.g. "2.0" over "2.0rc1" 

        if ref.startswith(tag_prefix): 

            r = ref[len(tag_prefix):] 

            if verbose: 

                print("picking %s" % r) 

            return {"version": r, 

                    "full-revisionid": keywords["full"].strip(), 

                    "dirty": False, "error": None 

                    } 

    # no suitable tags, so version is "0+unknown", but full hex is still there 

    if verbose: 

        print("no suitable tags, using unknown + full revision id") 

    return {"version": "0+unknown", 

            "full-revisionid": keywords["full"].strip(), 

            "dirty": False, "error": "no suitable tags"} 

 

 

@register_vcs_handler("git", "pieces_from_vcs") 

def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command): 

    # this runs 'git' from the root of the source tree. This only gets called 

    # if the git-archive 'subst' keywords were *not* expanded, and 

    # _version.py hasn't already been rewritten with a short version string, 

    # meaning we're inside a checked out source tree. 

 

    if not os.path.exists(os.path.join(root, ".git")): 

        if verbose: 

            print("no .git in %s" % root) 

        raise NotThisMethod("no .git directory") 

 

    GITS = ["git"] 

    if sys.platform == "win32": 

        GITS = ["git.cmd", "git.exe"] 

    # if there is a tag, this yields TAG-NUM-gHEX[-dirty] 

    # if there are no tags, this yields HEX[-dirty] (no NUM) 

    describe_out = run_command(GITS, ["describe", "--tags", "--dirty", 

                                      "--always", "--long"], 

                               cwd=root) 

    # --long was added in git-1.5.5 

    if describe_out is None: 

        raise NotThisMethod("'git describe' failed") 

    describe_out = describe_out.strip() 

    full_out = run_command(GITS, ["rev-parse", "HEAD"], cwd=root) 

    if full_out is None: 

        raise NotThisMethod("'git rev-parse' failed") 

    full_out = full_out.strip() 

 

    pieces = {} 

    pieces["long"] = full_out 

    pieces["short"] = full_out[:7]  # maybe improved later 

    pieces["error"] = None 

 

    # parse describe_out. It will be like TAG-NUM-gHEX[-dirty] or HEX[-dirty] 

    # TAG might have hyphens. 

    git_describe = describe_out 

 

    # look for -dirty suffix 

    dirty = git_describe.endswith("-dirty") 

    pieces["dirty"] = dirty 

    if dirty: 

        git_describe = git_describe[:git_describe.rindex("-dirty")] 

 

    # now we have TAG-NUM-gHEX or HEX 

 

    if "-" in git_describe: 

        # TAG-NUM-gHEX 

        mo = re.search(r'^(.+)-(\d+)-g([0-9a-f]+)$', git_describe) 

        if not mo: 

            # unparseable. Maybe git-describe is misbehaving? 

            pieces["error"] = ("unable to parse git-describe output: '%s'" 

                               % describe_out) 

            return pieces 

 

        # tag 

        full_tag = mo.group(1) 

        if not full_tag.startswith(tag_prefix): 

            if verbose: 

                fmt = "tag '%s' doesn't start with prefix '%s'" 

                print(fmt % (full_tag, tag_prefix)) 

            pieces["error"] = ("tag '%s' doesn't start with prefix '%s'" 

                               % (full_tag, tag_prefix)) 

            return pieces 

        pieces["closest-tag"] = full_tag[len(tag_prefix):] 

 

        # distance: number of commits since tag 

        pieces["distance"] = int(mo.group(2)) 

 

        # commit: short hex revision ID 

        pieces["short"] = mo.group(3) 

 

    else: 

        # HEX: no tags 

        pieces["closest-tag"] = None 

        count_out = run_command(GITS, ["rev-list", "HEAD", "--count"], 

                                cwd=root) 

        pieces["distance"] = int(count_out)  # total number of commits 

 

    return pieces 

 

 

def plus_or_dot(pieces): 

    if "+" in pieces.get("closest-tag", ""): 

        return "." 

    return "+" 

 

 

def render_pep440(pieces): 

    # now build up version string, with post-release "local version 

    # identifier". Our goal: TAG[+DISTANCE.gHEX[.dirty]] . Note that if you 

    # get a tagged build and then dirty it, you'll get TAG+0.gHEX.dirty 

 

    # exceptions: 

    # 1: no tags. git_describe was just HEX. 0+untagged.DISTANCE.gHEX[.dirty] 

 

    if pieces["closest-tag"]: 

        rendered = pieces["closest-tag"] 

        if pieces["distance"] or pieces["dirty"]: 

            rendered += plus_or_dot(pieces) 

            rendered += "%d.g%s" % (pieces["distance"], pieces["short"]) 

            if pieces["dirty"]: 

                rendered += ".dirty" 

    else: 

        # exception #1 

        rendered = "0+untagged.%d.g%s" % (pieces["distance"], 

                                          pieces["short"]) 

        if pieces["dirty"]: 

            rendered += ".dirty" 

    return rendered 

 

 

def render_pep440_pre(pieces): 

    # TAG[.post.devDISTANCE] . No -dirty 

 

    # exceptions: 

    # 1: no tags. 0.post.devDISTANCE 

 

    if pieces["closest-tag"]: 

        rendered = pieces["closest-tag"] 

        if pieces["distance"]: 

            rendered += ".post.dev%d" % pieces["distance"] 

    else: 

        # exception #1 

        rendered = "0.post.dev%d" % pieces["distance"] 

    return rendered 

 

 

def render_pep440_post(pieces): 

    # TAG[.postDISTANCE[.dev0]+gHEX] . The ".dev0" means dirty. Note that 

    # .dev0 sorts backwards (a dirty tree will appear "older" than the 

    # corresponding clean one), but you shouldn't be releasing software with 

    # -dirty anyways. 

 

    # exceptions: 

    # 1: no tags. 0.postDISTANCE[.dev0] 

 

    if pieces["closest-tag"]: 

        rendered = pieces["closest-tag"] 

        if pieces["distance"] or pieces["dirty"]: 

            rendered += ".post%d" % pieces["distance"] 

            if pieces["dirty"]: 

                rendered += ".dev0" 

            rendered += plus_or_dot(pieces) 

            rendered += "g%s" % pieces["short"] 

    else: 

        # exception #1 

        rendered = "0.post%d" % pieces["distance"] 

        if pieces["dirty"]: 

            rendered += ".dev0" 

        rendered += "+g%s" % pieces["short"] 

    return rendered 

 

 

def render_pep440_old(pieces): 

    # TAG[.postDISTANCE[.dev0]] . The ".dev0" means dirty. 

 

    # exceptions: 

    # 1: no tags. 0.postDISTANCE[.dev0] 

 

    if pieces["closest-tag"]: 

        rendered = pieces["closest-tag"] 

        if pieces["distance"] or pieces["dirty"]: 

            rendered += ".post%d" % pieces["distance"] 

            if pieces["dirty"]: 

                rendered += ".dev0" 

    else: 

        # exception #1 

        rendered = "0.post%d" % pieces["distance"] 

        if pieces["dirty"]: 

            rendered += ".dev0" 

    return rendered 

 

 

def render_git_describe(pieces): 

    # TAG[-DISTANCE-gHEX][-dirty], like 'git describe --tags --dirty 

    # --always' 

 

    # exceptions: 

    # 1: no tags. HEX[-dirty]  (note: no 'g' prefix) 

 

    if pieces["closest-tag"]: 

        rendered = pieces["closest-tag"] 

        if pieces["distance"]: 

            rendered += "-%d-g%s" % (pieces["distance"], pieces["short"]) 

    else: 

        # exception #1 

        rendered = pieces["short"] 

    if pieces["dirty"]: 

        rendered += "-dirty" 

    return rendered 

 

 

def render_git_describe_long(pieces): 

    # TAG-DISTANCE-gHEX[-dirty], like 'git describe --tags --dirty 

    # --always -long'. The distance/hash is unconditional. 

 

    # exceptions: 

    # 1: no tags. HEX[-dirty]  (note: no 'g' prefix) 

 

    if pieces["closest-tag"]: 

        rendered = pieces["closest-tag"] 

        rendered += "-%d-g%s" % (pieces["distance"], pieces["short"]) 

    else: 

        # exception #1 

        rendered = pieces["short"] 

    if pieces["dirty"]: 

        rendered += "-dirty" 

    return rendered 

 

 

def render(pieces, style): 

    if pieces["error"]: 

        return {"version": "unknown", 

                "full-revisionid": pieces.get("long"), 

                "dirty": None, 

                "error": pieces["error"]} 

 

    if not style or style == "default": 

        style = "pep440"  # the default 

 

    if style == "pep440": 

        rendered = render_pep440(pieces) 

    elif style == "pep440-pre": 

        rendered = render_pep440_pre(pieces) 

    elif style == "pep440-post": 

        rendered = render_pep440_post(pieces) 

    elif style == "pep440-old": 

        rendered = render_pep440_old(pieces) 

    elif style == "git-describe": 

        rendered = render_git_describe(pieces) 

    elif style == "git-describe-long": 

        rendered = render_git_describe_long(pieces) 

    else: 

        raise ValueError("unknown style '%s'" % style) 

 

    return {"version": rendered, "full-revisionid": pieces["long"], 

            "dirty": pieces["dirty"], "error": None} 

 

 

def get_versions(): 

    # I am in _version.py, which lives at ROOT/VERSIONFILE_SOURCE. If we have 

    # __file__, we can work backwards from there to the root. Some 

    # py2exe/bbfreeze/non-CPython implementations don't do __file__, in which 

    # case we can only use expanded keywords. 

 

    cfg = get_config() 

    verbose = cfg.verbose 

 

    try: 

        return git_versions_from_keywords(get_keywords(), cfg.tag_prefix, 

                                          verbose) 

    except NotThisMethod: 

        pass 

 

    try: 

        root = os.path.realpath(__file__) 

        # versionfile_source is the relative path from the top of the source 

        # tree (where the .git directory might live) to this file. Invert 

        # this to find the root from __file__. 

        for i in cfg.versionfile_source.split('/'): 

            root = os.path.dirname(root) 

    except NameError: 

        return {"version": "0+unknown", "full-revisionid": None, 

                "dirty": None, 

                "error": "unable to find root of source tree"} 

 

    try: 

        pieces = git_pieces_from_vcs(cfg.tag_prefix, root, verbose) 

        return render(pieces, cfg.style) 

    except NotThisMethod: 

        pass 

 

    try: 

        if cfg.parentdir_prefix: 

            return versions_from_parentdir(cfg.parentdir_prefix, root, verbose) 

    except NotThisMethod: 

        pass 

 

    return {"version": "0+unknown", "full-revisionid": None, 

            "dirty": None, 

            "error": "unable to compute version"}