Mercurial > hgrepos > Python > apps > py-cutils
annotate _postprocess-sdist.py @ 371:29a301ff2501
treesum: FIX: also check for TABs when trying to encode strictly
| author | Franz Glasner <fzglas.hg@dom66.de> |
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| date | Sat, 12 Apr 2025 09:05:48 +0200 |
| parents | 2acf206a8fdf |
| children | c19a21180a8f |
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1 # -*- coding: utf-8 -*- |
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2 # :- |
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3 # SPDX-FileCopyrightText: © 2025 Franz Glasner |
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4 # SPDX-License-Identifier: BSD-3-Clause |
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5 # :- |
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6 """Postprocress a .tar-sdist to include tests/data with symlinks as symlinks. |
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7 |
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8 Produce an sdist with all the data in :file:`tests/data/`:: |
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9 |
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10 rm -rf dist py_cutils.egg-info |
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11 python setup.py sdist |
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12 python _postprocess-sdist.py |
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13 gzip dist/*.tar |
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14 |
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15 """ |
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16 |
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17 from __future__ import print_function, absolute_import |
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18 |
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19 try: |
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20 from configparser import ConfigParser |
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21 except ImportError: |
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22 from ConfigParser import SafeConfigParser as ConfigParser |
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23 import importlib |
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24 import io |
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25 import os |
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26 import tarfile |
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27 |
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28 |
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29 def main(): |
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30 with io.open("setup.cfg", "rt", encoding="utf-8") as cfgfile: |
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31 cp = ConfigParser() |
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32 if hasattr(cp, "read_file"): |
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33 cp.read_file(cfgfile, "setup.cfg") |
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34 else: |
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35 cp.readfp(cfgfile, "setup.cfg") |
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36 project_name = cp.get("metadata", "name") |
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37 project_version = cp.get("metadata", "version") |
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38 if project_version.startswith("attr:"): |
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39 vermodname, dummy, vermodattr = (project_version[5:] |
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40 .strip() |
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41 .rpartition('.')) |
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42 assert dummy is not None and vermodattr is not None |
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43 vermod = importlib.import_module(vermodname) |
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44 project_version = getattr(vermod, vermodattr) |
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45 elif project_version.startswith("file:"): |
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46 assert False |
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47 # |
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48 # Compressed tar files cannot be modified by Python: make sure the |
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49 # originally generated archive is uncompressed. |
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50 # |
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51 assert cp.get("sdist", "formats") == "tar" |
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52 |
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53 archive_name = "{}-{}.tar".format(project_name, project_version) |
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54 archive_path = "dist/" + archive_name |
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55 assert os.path.isfile(archive_path) |
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56 |
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57 # the directory within the archive |
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58 archive_path_prefix = "{}-{}".format(project_name, project_version) |
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59 |
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60 egg_directory = "{}.egg-info".format(project_name.replace("-", "_")) |
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61 assert os.path.isdir(egg_directory) |
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62 sources_txt_path = "{}/SOURCES.txt".format(egg_directory) |
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63 sources_txt_arcname = "{}/{}/SOURCES.txt".format( |
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64 archive_path_prefix, |
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65 egg_directory) |
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66 |
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67 with tarfile.TarFile(archive_path, "r") as tf: |
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68 sf = tf.extractfile(sources_txt_arcname) |
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69 try: |
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70 sources_txt = sf.read() |
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71 finally: |
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72 sf.close() |
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73 |
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74 with tarfile.TarFile(archive_path, "a") as tf: |
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75 arcname = "{}/tests/data".format(archive_path_prefix) |
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76 try: |
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77 info = tf.getmember(arcname) |
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78 except KeyError: |
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79 pass |
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80 else: |
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81 raise RuntimeError("already postprocessed") |
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82 pre_names = set(tf.getnames()) |
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83 tf.add("tests/data", arcname=arcname, recursive=True) |
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84 |
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85 # |
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86 # Determine the new files and symlinks that are to be added |
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87 # to SOURCES.txt. Skip directories. |
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88 # |
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89 post_names = set(tf.getnames()) |
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90 new_names = list(post_names - pre_names) |
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91 new_names.sort() |
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92 new_sources = [] |
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93 |
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94 for np in new_names: |
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95 nn = np[len(archive_path_prefix)+1:] |
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96 info = tf.getmember(np) |
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97 if not info.isdir(): |
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98 new_sources.append(nn) |
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99 |
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100 # Augment SOURCES.txt and add it to the archive |
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101 sources_info = tf.gettarinfo( |
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102 sources_txt_path, arcname=sources_txt_arcname) |
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103 sf = io.BytesIO() |
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104 sf.write(sources_txt) |
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105 if not sources_txt.endswith(b'\n'): |
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106 sf.write(b'\n') |
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107 sf.write(b('\n'.join(new_sources))) |
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108 sources_info.size = len(sf.getvalue()) |
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109 sf.seek(0) |
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110 tf.addfile(sources_info, sf) |
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111 |
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112 |
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113 def b(buf, encoding="ascii"): |
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114 if isinstance(buf, bytes): |
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115 return buf |
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116 else: |
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117 return buf.encode(encoding) |
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118 |
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119 |
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120 if __name__ == "__main__": |
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121 main() |
