diff options
Diffstat (limited to 'jython-tosca-parser/src/main/resources/Lib/site-packages/pip/commands/search.py')
-rw-r--r-- | jython-tosca-parser/src/main/resources/Lib/site-packages/pip/commands/search.py | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/commands/search.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/commands/search.py new file mode 100644 index 0000000..a26f8b4 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/commands/search.py @@ -0,0 +1,146 @@ +import sys +import textwrap + +from pip.basecommand import Command, SUCCESS +from pip.util import get_terminal_size +from pip.log import logger +from pip.backwardcompat import xmlrpclib, reduce, cmp +from pip.exceptions import CommandError +from pip.status_codes import NO_MATCHES_FOUND +from pip._vendor import pkg_resources +from distutils.version import StrictVersion, LooseVersion + + +class SearchCommand(Command): + """Search for PyPI packages whose name or summary contains <query>.""" + name = 'search' + usage = """ + %prog [options] <query>""" + summary = 'Search PyPI for packages.' + + def __init__(self, *args, **kw): + super(SearchCommand, self).__init__(*args, **kw) + self.cmd_opts.add_option( + '--index', + dest='index', + metavar='URL', + default='https://pypi.python.org/pypi', + help='Base URL of Python Package Index (default %default)') + + self.parser.insert_option_group(0, self.cmd_opts) + + def run(self, options, args): + if not args: + raise CommandError('Missing required argument (search query).') + query = args + index_url = options.index + + pypi_hits = self.search(query, index_url) + hits = transform_hits(pypi_hits) + + terminal_width = None + if sys.stdout.isatty(): + terminal_width = get_terminal_size()[0] + + print_results(hits, terminal_width=terminal_width) + if pypi_hits: + return SUCCESS + return NO_MATCHES_FOUND + + def search(self, query, index_url): + pypi = xmlrpclib.ServerProxy(index_url) + hits = pypi.search({'name': query, 'summary': query}, 'or') + return hits + + +def transform_hits(hits): + """ + The list from pypi is really a list of versions. We want a list of + packages with the list of versions stored inline. This converts the + list from pypi into one we can use. + """ + packages = {} + for hit in hits: + name = hit['name'] + summary = hit['summary'] + version = hit['version'] + score = hit['_pypi_ordering'] + if score is None: + score = 0 + + if name not in packages.keys(): + packages[name] = { + 'name': name, + 'summary': summary, + 'versions': [version], + 'score': score, + } + else: + packages[name]['versions'].append(version) + + # if this is the highest version, replace summary and score + if version == highest_version(packages[name]['versions']): + packages[name]['summary'] = summary + packages[name]['score'] = score + + # each record has a unique name now, so we will convert the dict into a + # list sorted by score + package_list = sorted( + packages.values(), + key=lambda x: x['score'], + reverse=True, + ) + return package_list + + +def print_results(hits, name_column_width=25, terminal_width=None): + installed_packages = [p.project_name for p in pkg_resources.working_set] + for hit in hits: + name = hit['name'] + summary = hit['summary'] or '' + if terminal_width is not None: + # wrap and indent summary to fit terminal + summary = textwrap.wrap( + summary, + terminal_width - name_column_width - 5, + ) + summary = ('\n' + ' ' * (name_column_width + 3)).join(summary) + line = '%s - %s' % (name.ljust(name_column_width), summary) + try: + logger.notify(line) + if name in installed_packages: + dist = pkg_resources.get_distribution(name) + logger.indent += 2 + try: + latest = highest_version(hit['versions']) + if dist.version == latest: + logger.notify('INSTALLED: %s (latest)' % dist.version) + else: + logger.notify('INSTALLED: %s' % dist.version) + logger.notify('LATEST: %s' % latest) + finally: + logger.indent -= 2 + except UnicodeEncodeError: + pass + + +def compare_versions(version1, version2): + try: + return cmp(StrictVersion(version1), StrictVersion(version2)) + # in case of abnormal version number, fall back to LooseVersion + except ValueError: + pass + try: + return cmp(LooseVersion(version1), LooseVersion(version2)) + except TypeError: + # certain LooseVersion comparions raise due to unorderable types, + # fallback to string comparison + return cmp([str(v) for v in LooseVersion(version1).version], + [str(v) for v in LooseVersion(version2).version]) + + +def highest_version(versions): + return reduce( + (lambda v1, v2: compare_versions(v1, v2) == 1 and v1 or v2), + versions, + ) |