{"id":23991436,"url":"https://github.com/maxpat78/zlipy","last_synced_at":"2025-06-24T14:33:12.682Z","repository":{"id":270087467,"uuid":"909304083","full_name":"maxpat78/zlipy","owner":"maxpat78","description":"A zlib-like project in pure Python (almost)","archived":false,"fork":false,"pushed_at":"2024-12-29T08:17:51.000Z","size":43,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-02-25T05:31:11.287Z","etag":null,"topics":["compression-implementations","compression-library","compressor","deflate","deflate-algorithm","deflate-compression","deflate-format","purepython","python3"],"latest_commit_sha":null,"homepage":"","language":"Python","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/maxpat78.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2024-12-28T09:53:01.000Z","updated_at":"2024-12-29T08:17:54.000Z","dependencies_parsed_at":"2024-12-28T12:53:33.675Z","dependency_job_id":null,"html_url":"https://github.com/maxpat78/zlipy","commit_stats":null,"previous_names":["maxpat78/zlipy"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/maxpat78/zlipy","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/maxpat78%2Fzlipy","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/maxpat78%2Fzlipy/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/maxpat78%2Fzlipy/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/maxpat78%2Fzlipy/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/maxpat78","download_url":"https://codeload.github.com/maxpat78/zlipy/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/maxpat78%2Fzlipy/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":261694207,"owners_count":23195533,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["compression-implementations","compression-library","compressor","deflate","deflate-algorithm","deflate-compression","deflate-format","purepython","python3"],"created_at":"2025-01-07T19:54:33.003Z","updated_at":"2025-06-24T14:33:12.146Z","avatar_url":"https://github.com/maxpat78.png","language":"Python","funding_links":[],"categories":[],"sub_categories":[],"readme":"# zlipy (beta)\n\nA Python 3 package to explore Deflate compression (RFC1951) and analyze its compressed bit streams with a zlib fashion.\n\nInspired by [pyflate](https://github.com/pfalcon/pyflate) and [acefile](https://github.com/droe/acefile) - if decompression is possible, why not?\n\nWith the help of ChatGPT and 1-million-or-so kicks in its virtual ass to get (almost) proper code.\n\nIt implements:\n- one-step compression and decompression with Static and Dynamic Huffman trees (or no compression);\n- some HC3 LZ77, Deflate-style match finders in pure Python (use PyPy to boost performances) and one in a C++17 module to get reasonable speed;\n- Huffman encoder and decoder;\n- a bit stream reader and writer;\n- minimal ZIP reader and writer classes;\n- adler32 and crc32.\n\nIt does _not_ implement (yet):\n- progressive stream (de)compression (a.k.a. _xxxpress()_ and _flush()_);\n- optimal matches selection/better statistics;\n- compression mixing static/dynamic Huffman and uncompressed blocks;\n- other match finders (i.e. BT);\n- speed and efficiency.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmaxpat78%2Fzlipy","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmaxpat78%2Fzlipy","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmaxpat78%2Fzlipy/lists"}