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authorKali Kaneko <kali@futeisha.org>2013-08-23 12:17:20 +0200
committerKali Kaneko <kali@futeisha.org>2013-08-23 12:43:53 +0200
commita2d40aefb8ef2b0892ed87b38ddef96ddaf1dcc7 (patch)
tree4ba5d052fbee53703241bb5efee2a66f4d4578b3 /src/leap/keymanager
parent0347bf68d394118460566c8cd5cd49c75b0825f7 (diff)
Some packaging improvements
* versioneer all the things * add parse_requirements
Diffstat (limited to 'src/leap/keymanager')
-rw-r--r--src/leap/keymanager/__init__.py4
-rw-r--r--src/leap/keymanager/_version.py203
2 files changed, 207 insertions, 0 deletions
diff --git a/src/leap/keymanager/__init__.py b/src/leap/keymanager/__init__.py
index 20e44fd5..05cbccaa 100644
--- a/src/leap/keymanager/__init__.py
+++ b/src/leap/keymanager/__init__.py
@@ -451,3 +451,7 @@ class KeyManager(object):
leap_assert(pubkey.__class__ in self._wrapper_map, 'Unknown key type.')
leap_assert(pubkey.private is False, 'Key is not public.')
return self._wrapper_map[pubkey.__class__].verify(data, pubkey)
+
+from ._version import get_versions
+__version__ = get_versions()['version']
+del get_versions
diff --git a/src/leap/keymanager/_version.py b/src/leap/keymanager/_version.py
new file mode 100644
index 00000000..3a514e14
--- /dev/null
+++ b/src/leap/keymanager/_version.py
@@ -0,0 +1,203 @@
+
+IN_LONG_VERSION_PY = True
+# 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 (build 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-0.7+ (https://github.com/warner/python-versioneer)
+
+# these strings will be replaced by git during git-archive
+git_refnames = "$Format:%d$"
+git_full = "$Format:%H$"
+
+
+import subprocess
+import sys
+
+def run_command(args, cwd=None, verbose=False):
+ try:
+ # remember shell=False, so use git.cmd on windows, not just git
+ p = subprocess.Popen(args, stdout=subprocess.PIPE, cwd=cwd)
+ except EnvironmentError:
+ e = sys.exc_info()[1]
+ if verbose:
+ print("unable to run %s" % args[0])
+ print(e)
+ return None
+ stdout = p.communicate()[0].strip()
+ if sys.version >= '3':
+ stdout = stdout.decode()
+ if p.returncode != 0:
+ if verbose:
+ print("unable to run %s (error)" % args[0])
+ return None
+ return stdout
+
+
+import sys
+import re
+import os.path
+
+def get_expanded_variables(versionfile_source):
+ # the code embedded in _version.py can just fetch the value of these
+ # variables. 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.
+ variables = {}
+ try:
+ f = open(versionfile_source,"r")
+ for line in f.readlines():
+ if line.strip().startswith("git_refnames ="):
+ mo = re.search(r'=\s*"(.*)"', line)
+ if mo:
+ variables["refnames"] = mo.group(1)
+ if line.strip().startswith("git_full ="):
+ mo = re.search(r'=\s*"(.*)"', line)
+ if mo:
+ variables["full"] = mo.group(1)
+ f.close()
+ except EnvironmentError:
+ pass
+ return variables
+
+def versions_from_expanded_variables(variables, tag_prefix, verbose=False):
+ refnames = variables["refnames"].strip()
+ if refnames.startswith("$Format"):
+ if verbose:
+ print("variables are unexpanded, not using")
+ return {} # unexpanded, so not in an unpacked 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": variables["full"].strip() }
+ # no suitable tags, so we use the full revision id
+ if verbose:
+ print("no suitable tags, using full revision id")
+ return { "version": variables["full"].strip(),
+ "full": variables["full"].strip() }
+
+def versions_from_vcs(tag_prefix, versionfile_source, verbose=False):
+ # this runs 'git' from the root of the source tree. That either means
+ # someone ran a setup.py command (and this code is in versioneer.py, so
+ # IN_LONG_VERSION_PY=False, thus the containing directory is the root of
+ # the source tree), or someone ran a project-specific entry point (and
+ # this code is in _version.py, so IN_LONG_VERSION_PY=True, thus the
+ # containing directory is somewhere deeper in the source tree). This only
+ # gets called if the git-archive 'subst' variables 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.
+
+ try:
+ here = os.path.abspath(__file__)
+ except NameError:
+ # some py2exe/bbfreeze/non-CPython implementations don't do __file__
+ return {} # not always correct
+
+ # 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__.
+ root = here
+ if IN_LONG_VERSION_PY:
+ for i in range(len(versionfile_source.split("/"))):
+ root = os.path.dirname(root)
+ else:
+ root = os.path.dirname(here)
+ if not os.path.exists(os.path.join(root, ".git")):
+ if verbose:
+ print("no .git in %s" % root)
+ return {}
+
+ GIT = "git"
+ if sys.platform == "win32":
+ GIT = "git.cmd"
+ stdout = run_command([GIT, "describe", "--tags", "--dirty", "--always"],
+ cwd=root)
+ if stdout is None:
+ return {}
+ if not stdout.startswith(tag_prefix):
+ if verbose:
+ print("tag '%s' doesn't start with prefix '%s'" % (stdout, tag_prefix))
+ return {}
+ tag = stdout[len(tag_prefix):]
+ stdout = run_command([GIT, "rev-parse", "HEAD"], cwd=root)
+ if stdout is None:
+ return {}
+ full = stdout.strip()
+ if tag.endswith("-dirty"):
+ full += "-dirty"
+ return {"version": tag, "full": full}
+
+
+def versions_from_parentdir(parentdir_prefix, versionfile_source, verbose=False):
+ if IN_LONG_VERSION_PY:
+ # We're running from _version.py. If it's from a source tree
+ # (execute-in-place), we can work upwards to find the root of the
+ # tree, and then check the parent directory for a version string. If
+ # it's in an installed application, there's no hope.
+ try:
+ here = os.path.abspath(__file__)
+ except NameError:
+ # py2exe/bbfreeze/non-CPython don't have __file__
+ return {} # without __file__, we have no hope
+ # versionfile_source is the relative path from the top of the source
+ # tree to _version.py. Invert this to find the root from __file__.
+ root = here
+ for i in range(len(versionfile_source.split("/"))):
+ root = os.path.dirname(root)
+ else:
+ # we're running from versioneer.py, which means we're running from
+ # the setup.py in a source tree. sys.argv[0] is setup.py in the root.
+ here = os.path.abspath(sys.argv[0])
+ root = os.path.dirname(here)
+
+ # 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))
+ return None
+ return {"version": dirname[len(parentdir_prefix):], "full": ""}
+
+tag_prefix = ""
+parentdir_prefix = "leap.keymanager-"
+versionfile_source = "src/leap/keymanager/_version.py"
+
+def get_versions(default={"version": "unknown", "full": ""}, verbose=False):
+ variables = { "refnames": git_refnames, "full": git_full }
+ ver = versions_from_expanded_variables(variables, tag_prefix, verbose)
+ if not ver:
+ ver = versions_from_vcs(tag_prefix, versionfile_source, verbose)
+ if not ver:
+ ver = versions_from_parentdir(parentdir_prefix, versionfile_source,
+ verbose)
+ if not ver:
+ ver = default
+ return ver
+