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426 lines
15 KiB
426 lines
15 KiB
#
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# A collection of shared functions for managing help flag mapping files.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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from oslo.config import cfg
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import os
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import string
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import sys
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import glob
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from collections import defaultdict
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from xml.sax.saxutils import escape
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# gettext internationalisation function requisite:
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import __builtin__
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__builtin__.__dict__['_'] = lambda x: x
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def git_check(repo_path):
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from git import Repo
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"""
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Check a passed directory to verify it is a valid git repository.
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"""
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try:
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repo = Repo(repo_path)
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assert repo.bare is False
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package_name = os.path.basename(repo.remotes.origin.url).rstrip('.git')
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except:
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print "\nThere is a problem verifying that the directory passed in"
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print "is a valid git repository. Please try again.\n"
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sys.exit(1)
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return package_name
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def populate_groups(filepath):
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"""
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Takes a file formatted with lines of config option and group
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separated by a space and constructs a dictionary indexed by
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group, which is returned.
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"""
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groups = defaultdict(list)
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groups_file = open(os.path.expanduser(filepath), 'r')
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for line in groups_file:
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try:
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option, group_list = line.split(None, 1)
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group_list = group_list.split(None)
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except ValueError:
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print "Couldn't read groups file line:%s" % line
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print "Check for formatting errors - did you add the group?"
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sys.exit(1)
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for group in group_list:
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groups[group.strip()].append(option)
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return groups
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def extract_flags(repo_location, module_name, verbose=0, names_only=True):
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"""
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Loops through the repository, importing module by module to
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populate the configuration object (cfg.CONF) created from Oslo.
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"""
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usable_dirs = []
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module_location = os.path.dirname(repo_location + '/' + module_name)
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for root, dirs, files in os.walk(module_location + '/' + module_name):
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for name in dirs:
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abs_path = os.path.join(root.split(module_location)[1][1:], name)
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if ('/tests' not in abs_path and
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'/locale' not in abs_path and
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'/cmd' not in abs_path and
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'/db/migration' not in abs_path and
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'/transfer' not in abs_path):
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usable_dirs.append(os.path.join(root.split(module_location)
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[1][1:], name))
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for directory in usable_dirs:
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for python_file in glob.glob(module_location + '/' + directory
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+ "/*.py"):
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if '__init__' not in python_file:
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usable_dirs.append(os.path.splitext(python_file)
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[0][len(module_location) + 1:])
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package_name = directory.replace('/', '.')
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try:
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__import__(package_name)
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if verbose >= 1:
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print "imported %s" % package_name
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except ImportError as e:
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"""
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work around modules that don't like being imported in this way
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FIXME This could probably be better, but does not affect the
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configuration options found at this stage
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"""
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if verbose >= 2:
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print str(e)
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print "Failed to import: %s (%s)" % (package_name, e)
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continue
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flags = cfg.CONF._opts.items()
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#extract group information
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for group in cfg.CONF._groups.keys():
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flags = flags + cfg.CONF._groups[group]._opts.items()
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flags.sort()
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return flags
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def extract_flags_test(repo_loc, module, verbose=0):
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"""
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TEST TEST TEST TEST TEST TEST
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TEST TEST TEST TEST TEST TEST
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Loops through the repository, importing module by module to
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populate the configuration object (cfg.CONF) created from Oslo.
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TEST TEST TEST TEST TEST TEST
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TEST TEST TEST TEST TEST TEST
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"""
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flag_data = {}
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usable_dirs = []
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module_location = os.path.dirname(repo_loc + '/' + module)
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for root, dirs, files in os.walk(module_location + '/' + module):
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for name in dirs:
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abs_path = os.path.join(root.split(module_location)[1][1:], name)
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if ('/tests' not in abs_path and
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'/locale' not in abs_path and
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'/cmd' not in abs_path and
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'/db/migration' not in abs_path):
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usable_dirs.append(os.path.join(root.split(module_location)
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[1][1:], name))
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for directory in usable_dirs:
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for python_file in glob.glob(module_location + '/' + directory +
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"/*.py"):
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if '__init__' not in python_file:
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usable_dirs.append(os.path.splitext(python_file)[0]
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[len(module_location) + 1:])
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package_name = directory.replace('/', '.')
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try:
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__import__(package_name)
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if verbose >= 1:
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print "imported %s" % package_name
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flag_data[str(package_name)] = sorted(cfg.CONF._opts.items())
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except ImportError as e:
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"""
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work around modules that don't like being imported in this way
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FIXME This could probably be better, but does not affect the
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configuration options found at this stage
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"""
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if verbose >= 2:
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print str(e)
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print "Failed to import: %s (%s)" % (package_name, e)
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continue
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return flag_data
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def write_test(file, repo_dir, pkg_name):
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"""
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"""
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file1 = file + ".test"
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flags = extract_flags_test(repo_dir, pkg_name)
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with open(file1, 'a+') as f:
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f.write("\n")
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for filename, flag_info in flags.iteritems():
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f.write("\n -- start file name area --\n")
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f.write(filename)
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f.write("\n -- end file name area --\n")
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print "\n -- start file name area --\n"
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print filename
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print "\n -- end file name area --\n"
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print len(flag_info)
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for name, value in flag_info:
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#opt = value['opt']
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#print type(opt)
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#print opt
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#print name
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#print value
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f.write(name)
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f.write("\n")
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def write_header(filepath, verbose=0):
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"""
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Write header to output flag file.
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"""
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pass
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def write_buffer(file, flags, verbose=0):
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"""
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Write flag data to file.
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Note that the header is written with the write_header function.
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"""
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pass
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#with open(os.path.expanduser(filepath), 'wb') as f:
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def write_flags(filepath, flags, name_only=True, verbose=0):
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"""
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write out the list of flags in the cfg.CONF object to filepath
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if name_only is True - write only a list of names, one per line,
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otherwise use MediaWiki syntax to write out the full table with
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help text and default values.
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"""
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with open(os.path.expanduser(filepath), 'wb') as f:
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if not name_only:
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f.write("{|\n") # start table
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# print headers
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f.write("!")
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f.write("!!".join(["name", "default", "description"]))
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f.write("\n|-\n")
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for name, value in flags:
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opt = value['opt']
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if not opt.help:
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opt.help = "No help text available for this option"
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if not name_only:
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f.write("|")
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f.write("||".join([string.strip(name),
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string.strip(str(opt.default)),
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string.strip(opt.help.replace("\n", " "))]))
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f.write("\n|-\n")
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else:
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f.write(name + "\n")
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if not name_only:
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f.write("|}\n") # end table
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def write_docbook(directory, flags, groups, package_name, verbose=0):
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"""
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Prints a docbook-formatted table for every group of options.
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"""
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count = 0
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for group in groups.items():
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groups_file = open(package_name + '-' + group[0] + '.xml', 'w')
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groups_file.write('<?xml version="1.0" encoding="UTF-8"?>\n\
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<!-- Warning: Do not edit this file. It is automatically\n\
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generated and your changes will be overwritten.\n\
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The tool to do so lives in the tools directory of this\n\
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repository -->\n\
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<para xmlns="http://docbook.org/ns/docbook" version="5.0">\n\
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<table rules="all">\n\
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<caption>Description of configuration options for ' + group[0] +
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'</caption>\n\
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<col width="50%"/>\n\
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<col width="50%"/>\n\
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<thead>\n\
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<tr>\n\
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<th>Configuration option=Default value</th>\n\
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<th>Description</th>\n\
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</tr>\n\
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</thead>\n\
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<tbody>')
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for flag_name in group[1]:
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for flag in flags:
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if flag[0] == flag_name:
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count = count + 1
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opt = flag[1]["opt"]
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if not opt.help:
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opt.help = "No help text available for this option"
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if (type(opt).__name__ == "ListOpt" and
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opt.default is not None):
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opt.default = ",".join(opt.default)
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groups_file.write('\n <tr>\n\
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<td>' + flag_name + '=' + str(opt.default) + '</td>\n\
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<td>(' + type(opt).__name__ + ') '
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+ escape(opt.help) + '</td>\n\
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</tr>')
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groups_file.write('\n </tbody>\n\
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</table>\n\
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</para>')
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groups_file.close()
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def create(flag_file, repo_path):
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"""
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Create new flag mappings file, containing help information for
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the project whose repo location has been passed in at the command line.
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"""
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# flag_file testing.
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#try:
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# Test for successful creation of flag_file.
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#except:
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# If the test(s) fail, exit noting the problem(s).
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# repo_path git repo validity testing.
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#try:
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# Test to be sure the repo_path passed in is a valid directory
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# and that directory is a valid existing git repo.
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#except:
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# If the test(s) fail, exit noting the problem(s).
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# get as much help as possible, searching recursively through the
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# entire repo source directory tree.
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#help_data = get_help(repo_path)
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# Write this information to the file.
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#write_file(flag_file, help_data)
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def update(filepath, flags, name_only=True, verbose=0):
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"""
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Update flag mappings file, adding or removing entries as needed.
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This will update the file content, essentially overriding the data.
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The primary difference between create and update is that create will
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make a new file, and update will just work with the data that is
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data that is already there.
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"""
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original_flags = []
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updated_flags = []
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write_flags(filepath + '.new', flags, name_only=True, verbose=0)
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original_flag_file = open(filepath)
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updated_flag_file = open(filepath + '.new', 'r')
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for line in original_flag_file:
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original_flags.append(line.split()[0])
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for line in updated_flag_file:
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updated_flags.append(line.rstrip())
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updated_flag_file.close()
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removed_flags = set(original_flags) - set(updated_flags)
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added_flags = set(updated_flags) - set(original_flags)
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print "\nRemoved Flags\n"
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for line in sorted(removed_flags):
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print line
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print "\nAdded Flags\n"
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for line in sorted(added_flags):
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print line
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updated_flag_file = open(filepath + '.new', 'wb')
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original_flag_file.seek(0)
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for line in original_flag_file:
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flag_name = line.split()[0]
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if flag_name not in removed_flags:
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for added_flag in added_flags:
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if flag_name > added_flag:
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updated_flag_file.write(added_flag + ' Unknown\n')
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added_flags.remove(added_flag)
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break
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updated_flag_file.write(line)
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def verify(flag_file):
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"""
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Verify flag file contents. No actions are taken.
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"""
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pass
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def usage():
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print "\nUsage: %s docbook <groups file> <source loc>" % sys.argv[0]
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print "\nGenerate a list of all flags for package in source loc and"\
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"\nwrites them in a docbook table format, grouped by the groups"\
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"\nin the groups file, one file per group.\n"
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print "\n %s names <names file> <source loc>" % sys.argv[0]
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print "\nGenerate a list of all flags names for the package in"\
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"\nsource loc and writes them to names file, one per line \n"
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def parse_me_args():
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import argparse
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parser = argparse.ArgumentParser(
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description='Manage flag files, to aid in updatingdocumentation.',
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epilog='Example: %(prog)s -a create -in ./nova.flagfile -fmt docbook\
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-p /nova',
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usage='%(prog)s [options]')
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parser.add_argument('-a', '--action',
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choices=['create', 'update', 'verify'],
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dest='action',
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help='action (create, update, verify) [REQUIRED]',
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required=True,
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type=str,)
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# trying str data type... instead of file.
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parser.add_argument('-i', '-in', '--input',
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dest='file',
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help='flag file being worked with [REQUIRED]',
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required=True,
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type=str,)
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parser.add_argument('-f', '-fmt', '--format', '-o', '-out',
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dest='format',
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help='file output format (options: docbook, names)',
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required=False,
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type=str,)
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# ..tried having 'dir' here for the type, but the git.Repo function
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# requires a string is passed to it.. a directory won't work.
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parser.add_argument('-p', '--path',
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dest='repo',
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help='path to valid git repository [REQUIRED]',
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required=True,
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type=str,)
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parser.add_argument('-v', '--verbose',
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action='count',
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default=0,
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dest='verbose',
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required=False,)
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parser.add_argument('-no', '--name_only',
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action='store_true',
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dest='name',
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help='whether output should contain names only',
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required=False,)
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parser.add_argument('-test',
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action='store_true',
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dest='test',
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help=argparse.SUPPRESS,
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required=False,)
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args = vars(parser.parse_args())
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return args
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