Mercurial > repos > bcclaywell > argo_navis

annotate venv/lib/python2.7/site-packages/pip/commands/search.py @ 0:d67268158946 draft

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planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
author bcclaywell
date Mon, 12 Oct 2015 17:43:33 -0400
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1 from __future__ import absolute_import
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2
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3 import logging
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4 import sys
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5 import textwrap
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6
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7 from pip.basecommand import Command, SUCCESS
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8 from pip.download import PipXmlrpcTransport
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9 from pip.index import PyPI
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10 from pip.utils import get_terminal_size
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11 from pip.utils.logging import indent_log
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12 from pip.exceptions import CommandError
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13 from pip.status_codes import NO_MATCHES_FOUND
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14 from pip._vendor import pkg_resources
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15 from pip._vendor.six.moves import xmlrpc_client
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16
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17
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18 logger = logging.getLogger(__name__)
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19
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20
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21 class SearchCommand(Command):
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22 """Search for PyPI packages whose name or summary contains <query>."""
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23 name = 'search'
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24 usage = """
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25 %prog [options] <query>"""
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26 summary = 'Search PyPI for packages.'
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27
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28 def __init__(self, *args, **kw):
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29 super(SearchCommand, self).__init__(*args, **kw)
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30 self.cmd_opts.add_option(
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31 '--index',
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32 dest='index',
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33 metavar='URL',
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34 default=PyPI.pypi_url,
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35 help='Base URL of Python Package Index (default %default)')
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36
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37 self.parser.insert_option_group(0, self.cmd_opts)
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38
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39 def run(self, options, args):
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40 if not args:
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41 raise CommandError('Missing required argument (search query).')
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42 query = args
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43 pypi_hits = self.search(query, options)
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44 hits = transform_hits(pypi_hits)
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45
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46 terminal_width = None
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47 if sys.stdout.isatty():
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48 terminal_width = get_terminal_size()[0]
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49
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50 print_results(hits, terminal_width=terminal_width)
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51 if pypi_hits:
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52 return SUCCESS
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53 return NO_MATCHES_FOUND
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54
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55 def search(self, query, options):
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56 index_url = options.index
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57 with self._build_session(options) as session:
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58 transport = PipXmlrpcTransport(index_url, session)
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59 pypi = xmlrpc_client.ServerProxy(index_url, transport)
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60 hits = pypi.search({'name': query, 'summary': query}, 'or')
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61 return hits
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62
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63
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64 def transform_hits(hits):
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65 """
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66 The list from pypi is really a list of versions. We want a list of
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67 packages with the list of versions stored inline. This converts the
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68 list from pypi into one we can use.
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69 """
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70 packages = {}
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71 for hit in hits:
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72 name = hit['name']
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73 summary = hit['summary']
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74 version = hit['version']
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75 score = hit['_pypi_ordering']
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76 if score is None:
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77 score = 0
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78
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79 if name not in packages.keys():
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80 packages[name] = {
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81 'name': name,
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82 'summary': summary,
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83 'versions': [version],
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84 'score': score,
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85 }
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86 else:
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87 packages[name]['versions'].append(version)
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88
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89 # if this is the highest version, replace summary and score
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90 if version == highest_version(packages[name]['versions']):
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91 packages[name]['summary'] = summary
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92 packages[name]['score'] = score
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93
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94 # each record has a unique name now, so we will convert the dict into a
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95 # list sorted by score
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96 package_list = sorted(
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97 packages.values(),
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98 key=lambda x: x['score'],
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99 reverse=True,
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100 )
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101 return package_list
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102
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103
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104 def print_results(hits, name_column_width=None, terminal_width=None):
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105 if not hits:
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106 return
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107 if name_column_width is None:
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108 name_column_width = max((len(hit['name']) for hit in hits)) + 4
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109 installed_packages = [p.project_name for p in pkg_resources.working_set]
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110 for hit in hits:
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111 name = hit['name']
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112 summary = hit['summary'] or ''
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113 if terminal_width is not None:
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114 # wrap and indent summary to fit terminal
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115 summary = textwrap.wrap(
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116 summary,
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117 terminal_width - name_column_width - 5,
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118 )
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119 summary = ('\n' + ' ' * (name_column_width + 3)).join(summary)
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120 line = '%s - %s' % (name.ljust(name_column_width), summary)
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121 try:
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122 logger.info(line)
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123 if name in installed_packages:
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124 dist = pkg_resources.get_distribution(name)
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125 with indent_log():
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126 latest = highest_version(hit['versions'])
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127 if dist.version == latest:
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128 logger.info('INSTALLED: %s (latest)', dist.version)
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129 else:
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130 logger.info('INSTALLED: %s', dist.version)
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131 logger.info('LATEST: %s', latest)
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132 except UnicodeEncodeError:
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133 pass
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134
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135
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136 def highest_version(versions):
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137 return next(iter(
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138 sorted(versions, key=pkg_resources.parse_version, reverse=True)
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139 ))