Try using the –ignore-installed flag: sudo -H pip3 install –ignore-installed PyYAML This works because to upgrade a package, pip first uninstalls the old version, then installs the new version. It is the uninstall step that fails for distutils packages. With the –ignore-installed flag, the uninstall step is skipped and the new version is simply installed … Read more
Python >= 3.6 In python 3.6+, it seems that dict loading order is preserved by default without special dictionary types. The default Dumper, on the other hand, sorts dictionaries by key. Starting with pyyaml 5.1, you can turn this off by passing sort_keys=False: a = dict(zip(“unsorted”, “unsorted”)) s = yaml.safe_dump(a, sort_keys=False) b = yaml.safe_load(s) assert … Read more
import yaml data = dict( A = ‘a’, B = dict( C = ‘c’, D = ‘d’, E = ‘e’, ) ) with open(‘data.yml’, ‘w’) as outfile: yaml.dump(data, outfile, default_flow_style=False) The default_flow_style=False parameter is necessary to produce the format you want (flow style), otherwise for nested collections it produces block style: A: a B: {C: … Read more
You could try the search feature in pip, $ pip search yaml which looks for packages in PyPI with yaml in the short description. That reveals various packages, including PyYaml, yamltools, and PySyck, among others (Note that PySyck docs recommend using PyYaml, since syck is out of date). Now you know a specific package name, … Read more