Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/networkx/readwrite/nx_yaml.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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1 """ |
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2 **** |
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3 YAML |
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4 **** |
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5 Read and write NetworkX graphs in YAML format. |
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6 |
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7 "YAML is a data serialization format designed for human readability |
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8 and interaction with scripting languages." |
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9 See http://www.yaml.org for documentation. |
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10 |
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11 Format |
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12 ------ |
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13 http://pyyaml.org/wiki/PyYAML |
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14 |
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15 """ |
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16 |
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17 __all__ = ["read_yaml", "write_yaml"] |
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18 |
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19 from networkx.utils import open_file |
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20 |
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21 |
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22 @open_file(1, mode="w") |
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23 def write_yaml(G_to_be_yaml, path_for_yaml_output, **kwds): |
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24 """Write graph G in YAML format to path. |
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25 |
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26 YAML is a data serialization format designed for human readability |
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27 and interaction with scripting languages [1]_. |
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28 |
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29 Parameters |
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30 ---------- |
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31 G : graph |
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32 A NetworkX graph |
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33 path : file or string |
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34 File or filename to write. |
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35 Filenames ending in .gz or .bz2 will be compressed. |
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36 |
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37 Notes |
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38 ----- |
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39 To use encoding on the output file include e.g. `encoding='utf-8'` |
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40 in the keyword arguments. |
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41 |
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42 Examples |
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43 -------- |
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44 >>> G = nx.path_graph(4) |
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45 >>> nx.write_yaml(G, "test.yaml") |
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46 |
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47 References |
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48 ---------- |
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49 .. [1] http://www.yaml.org |
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50 """ |
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51 try: |
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52 import yaml |
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53 except ImportError as e: |
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54 raise ImportError("write_yaml() requires PyYAML: http://pyyaml.org/") from e |
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55 yaml.dump(G_to_be_yaml, path_for_yaml_output, **kwds) |
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56 |
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57 |
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58 @open_file(0, mode="r") |
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59 def read_yaml(path): |
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60 """Read graph in YAML format from path. |
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61 |
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62 YAML is a data serialization format designed for human readability |
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63 and interaction with scripting languages [1]_. |
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64 |
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65 Parameters |
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66 ---------- |
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67 path : file or string |
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68 File or filename to read. Filenames ending in .gz or .bz2 |
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69 will be uncompressed. |
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70 |
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71 Returns |
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72 ------- |
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73 G : NetworkX graph |
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74 |
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75 Examples |
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76 -------- |
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77 >>> G = nx.path_graph(4) |
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78 >>> nx.write_yaml(G, "test.yaml") |
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79 >>> G = nx.read_yaml("test.yaml") |
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80 |
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81 References |
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82 ---------- |
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83 .. [1] http://www.yaml.org |
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84 |
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85 """ |
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86 try: |
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87 import yaml |
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88 except ImportError as e: |
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89 raise ImportError("read_yaml() requires PyYAML: http://pyyaml.org/") from e |
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90 |
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91 G = yaml.load(path, Loader=yaml.FullLoader) |
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92 return G |