projects / OpenSPARC-T2-SAM / blame
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| 54 | <H2><A NAME="SECTION0091930000000000000000"></A><A NAME="tar-examples"></A> | |
| 55 | <BR> | |
| 56 | 7.19.3 Examples | |
| 57 | </H2> | |
| 58 | ||
| 59 | <P> | |
| 60 | How to create an uncompressed tar archive from a list of filenames: | |
| 61 | <div class="verbatim"><pre> | |
| 62 | import tarfile | |
| 63 | tar = tarfile.open("sample.tar", "w") | |
| 64 | for name in ["foo", "bar", "quux"]: | |
| 65 | tar.add(name) | |
| 66 | tar.close() | |
| 67 | </pre></div> | |
| 68 | ||
| 69 | <P> | |
| 70 | How to read a gzip compressed tar archive and display some member information: | |
| 71 | <div class="verbatim"><pre> | |
| 72 | import tarfile | |
| 73 | tar = tarfile.open("sample.tar.gz", "r:gz") | |
| 74 | for tarinfo in tar: | |
| 75 | print tarinfo.name, "is", tarinfo.size, "bytes in size and is", | |
| 76 | if tarinfo.isreg(): | |
| 77 | print "a regular file." | |
| 78 | elif tarinfo.isdir(): | |
| 79 | print "a directory." | |
| 80 | else: | |
| 81 | print "something else." | |
| 82 | tar.close() | |
| 83 | </pre></div> | |
| 84 | ||
| 85 | <P> | |
| 86 | How to create a tar archive with faked information: | |
| 87 | <div class="verbatim"><pre> | |
| 88 | import tarfile | |
| 89 | tar = tarfile.open("sample.tar.gz", "w:gz") | |
| 90 | for name in namelist: | |
| 91 | tarinfo = tar.gettarinfo(name, "fakeproj-1.0/" + name) | |
| 92 | tarinfo.uid = 123 | |
| 93 | tarinfo.gid = 456 | |
| 94 | tarinfo.uname = "johndoe" | |
| 95 | tarinfo.gname = "fake" | |
| 96 | tar.addfile(tarinfo, file(name)) | |
| 97 | tar.close() | |
| 98 | </pre></div> | |
| 99 | ||
| 100 | <P> | |
| 101 | The <em>only</em> way to extract an uncompressed tar stream from | |
| 102 | <code>sys.stdin</code>: | |
| 103 | <div class="verbatim"><pre> | |
| 104 | import sys | |
| 105 | import tarfile | |
| 106 | tar = tarfile.open(mode="r|", fileobj=sys.stdin) | |
| 107 | for tarinfo in tar: | |
| 108 | tar.extract(tarinfo) | |
| 109 | tar.close() | |
| 110 | </pre></div> | |
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