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| #!/usr/bin/env python | |
| ''' Get a list of out-of-date packages from a pip requirements.txt file. ''' | |
| import itertools | |
| import json | |
| import requests | |
| import sys | |
| import yaml | |
| def make_rainbow_string(input): | |
| # http://www.codepost.io/snippets/13 | |
| color_template, min_color, max_color, output = "\033[{}m", 31, 37, "" | |
| current_color = min_color | |
| for index in range(0, len(input)): | |
| output += color_template.format(current_color) + input[index] | |
| if input[index] != " ": | |
| current_color += 1 | |
| if current_color > max_color: | |
| current_color = min_color | |
| return output + color_template.format("05") | |
| # TODO: Rewrite this using requirements-parser | |
| # https://github.com/davidfischer/requirements-parser | |
| class ProgressIndicator(object): | |
| chars = itertools.cycle(('|', '/', '-', '\\')) | |
| def update(self, message): | |
| self.clear() | |
| message = make_rainbow_string(message) | |
| sys.stderr.write('{0} {1}'.format(next(self.chars), message)) | |
| sys.stderr.flush() | |
| def clear(self): | |
| # For more ANSI control characters, check out fish.ANSIControl | |
| sys.stderr.write("\033[0m\x1b[2K\r") | |
| sys.stderr.flush() | |
| def main(): | |
| try: | |
| requirements_txt = sys.argv[1] | |
| except IndexError: | |
| requirements_txt = 'requirements.txt' | |
| status = ProgressIndicator() | |
| packages = {} | |
| requirements = open(requirements_txt, 'r').read() | |
| for line in requirements.splitlines(): | |
| line = line.strip() | |
| if not line or line.count('==') != 1 or line.startswith('#'): | |
| continue | |
| package, version = line.split('#')[0].split('==') | |
| status.update(package) | |
| response = requests.get('http://pypi.python.org/pypi/{0}/json'.format(package)) | |
| try: | |
| data = json.loads(response.content) | |
| except Exception, err: | |
| status.update('ERROR [{0}]: {1}'.format(package, err)) | |
| continue | |
| current_version = data['info']['version'].strip() | |
| if version != current_version: | |
| packages[package] = { | |
| 'installed_version': version, | |
| 'current_version': current_version | |
| } | |
| status.clear() | |
| print yaml.dump(packages,default_flow_style=False) | |
| if __name__ == '__main__': | |
| main() |
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