From cac854633adfa51f28ea4266b8eb4aacb47f55bc Mon Sep 17 00:00:00 2001
From: Omer <oamsalem@redhat.com>
Date: Wed, 6 Dec 2023 17:49:36 +0200
Subject: [PATCH] chore: fetch and store ODCS compose

Adds a method to pull and store ODCS compose.

Signed-off-by: Omer <oamsalem@redhat.com>
---
 .github/workflows/test.yml                  |   6 +-
 Pipfile                                     |   3 +-
 Pipfile.lock                                | 378 +++++++++++++++++++-
 compose_generator/odcs_compose_generator.py |   4 +-
 compose_generator/odcs_fetcher.py           |  30 +-
 tests/test_odcs_fetcher.py                  |  38 ++
 6 files changed, 439 insertions(+), 20 deletions(-)
 create mode 100644 tests/test_odcs_fetcher.py

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ff91fa3..d482bd2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,15 +9,17 @@ jobs:
       checks: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v4
         with:
           python-version: 3.11
       - name: Install pipenv
         run: pip install pipenv==2023.7.23
       - name: Create virtualenv
         run: pipenv sync
+      - name: Install all missing stub packages
+        run: pipenv run mypy --install-types
       - name: Run tests
         run: |
           pipenv run pytest tests
diff --git a/Pipfile b/Pipfile
index 7b9f190..db816b3 100644
--- a/Pipfile
+++ b/Pipfile
@@ -11,9 +11,10 @@ black = "*"
 mypy = "*"
 pylint = "*"
 isort = "*"
+responses = "*"
 
 [dev-packages]
+pytest = "*"
 
 [requires]
 python_version = "3.11"
-python_full_version = "3.11.6"
diff --git a/Pipfile.lock b/Pipfile.lock
index 5406ea6..510e6d8 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,11 +1,10 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "264c0b231f9d6ee1d77dabeacbb67ff4be3a801496ac82c597640f6aa4779e12"
+            "sha256": "a93a82fc83eb4c0cb1ae1b36151db9dddea879c0bdc1266b6776d8ce93f2a70a"
         },
         "pipfile-spec": 6,
         "requires": {
-            "python_full_version": "3.11.6",
             "python_version": "3.11"
         },
         "sources": [
@@ -17,6 +16,14 @@
         ]
     },
     "default": {
+        "annotated-types": {
+            "hashes": [
+                "sha256:0641064de18ba7a25dee8f96403ebc39113d0cb953a01429249d5c7564666a43",
+                "sha256:563339e807e53ffd9c267e99fc6d9ea23eb8443c08f112651963e24e22f84a5d"
+            ],
+            "markers": "python_version >= '3.8'",
+            "version": "==0.6.0"
+        },
         "astroid": {
             "hashes": [
                 "sha256:7d5895c9825e18079c5aeac0572bc2e4c83205c95d416e0b4fee8bc361d2d9ca",
@@ -47,8 +54,16 @@
                 "sha256:fc7f6a44d52747e65a02558e1d807c82df1d66ffa80a601862040a43ec2e3142"
             ],
             "index": "pypi",
+            "markers": "python_version >= '3.8'",
             "version": "==23.11.0"
         },
+        "cerberus": {
+            "hashes": [
+                "sha256:7649a5815024d18eb7c6aa5e7a95355c649a53aacfc9b050e9d0bf6bfa2af372",
+                "sha256:81011e10266ef71b6ec6d50e60171258a5b134d69f8fb387d16e4936d0d47642"
+            ],
+            "version": "==1.3.5"
+        },
         "certifi": {
             "hashes": [
                 "sha256:9b469f3a900bf28dc19b8cfbf8019bf47f7fdd1a65a1d4ffb98fc14166beb4d1",
@@ -159,6 +174,7 @@
                 "sha256:ca9853ad459e787e2192211578cc907e7594e294c7ccc834310722b41b9ca6de"
             ],
             "index": "pypi",
+            "markers": "python_version >= '3.7'",
             "version": "==8.1.7"
         },
         "dill": {
@@ -166,9 +182,30 @@
                 "sha256:76b122c08ef4ce2eedcd4d1abd8e641114bfc6c2867f49f3c41facf65bf19f5e",
                 "sha256:cc1c8b182eb3013e24bd475ff2e9295af86c1a38eb1aff128dac8962a9ce3c03"
             ],
-            "markers": "python_version >= '3.11'",
+            "markers": "python_version < '3.11'",
             "version": "==0.3.7"
         },
+        "distlib": {
+            "hashes": [
+                "sha256:2e24928bc811348f0feb63014e97aaae3037f2cf48712d51ae61df7fd6075057",
+                "sha256:9dafe54b34a028eafd95039d5e5d4851a13734540f1331060d31c9916e7147a8"
+            ],
+            "version": "==0.3.7"
+        },
+        "docopt": {
+            "hashes": [
+                "sha256:49b3a825280bd66b3aa83585ef59c4a8c82f2c8a522dbe754a8bc8d08c85c491"
+            ],
+            "version": "==0.6.2"
+        },
+        "exceptiongroup": {
+            "hashes": [
+                "sha256:4bfd3996ac73b41e9b9628b04e079f193850720ea5945fc96a08633c66912f14",
+                "sha256:91f5c769735f051a4290d52edd0858999b57e5876e9f85937691bd4c9fa3ed68"
+            ],
+            "markers": "python_version < '3.11'",
+            "version": "==1.2.0"
+        },
         "idna": {
             "hashes": [
                 "sha256:9ecdbbd083b06798ae1e86adcbfe8ab1479cf864e4ee30fe4e46a003d12491ca",
@@ -187,11 +224,12 @@
         },
         "isort": {
             "hashes": [
-                "sha256:8bef7dde241278824a6d83f44a544709b065191b95b6e50894bdc722fcba0504",
-                "sha256:f84c2818376e66cf843d497486ea8fed8700b340f308f076c6fb1229dff318b6"
+                "sha256:15e0e937819b350bc256a7ae13bb25f4fe4f8871a0bc335b20c3627dba33f458",
+                "sha256:d67f78c6a1715f224cca46b29d740037bdb6eea15323a133e897cda15876147b"
             ],
             "index": "pypi",
-            "version": "==5.12.0"
+            "markers": "python_full_version >= '3.8.0'",
+            "version": "==5.13.0"
         },
         "mccabe": {
             "hashes": [
@@ -232,6 +270,7 @@
                 "sha256:fcd2572dd4519e8a6642b733cd3a8cfc1ef94bafd0c1ceed9c94fe736cb65b6a"
             ],
             "index": "pypi",
+            "markers": "python_version >= '3.8'",
             "version": "==1.7.1"
         },
         "mypy-extensions": {
@@ -252,11 +291,43 @@
         },
         "pathspec": {
             "hashes": [
-                "sha256:1d6ed233af05e679efb96b1851550ea95bbb64b7c490b0f5aa52996c11e92a20",
-                "sha256:e0d8d0ac2f12da61956eb2306b69f9469b42f4deb0f3cb6ed47b9cce9996ced3"
+                "sha256:c57e16065a97b7beb175f13c84d27cb05f7b7315741c2fbd5de541042f4ea6e1",
+                "sha256:f1f8a7eab698c357945c85ed79715e014612b8584faebe209dca4558e2b09513"
+            ],
+            "markers": "python_version >= '3.8'",
+            "version": "==0.12.0"
+        },
+        "pep517": {
+            "hashes": [
+                "sha256:1b2fa2ffd3938bb4beffe5d6146cbcb2bda996a5a4da9f31abffd8b24e07b317",
+                "sha256:31b206f67165b3536dd577c5c3f1518e8fbaf38cbc57efff8369a392feff1721"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==0.13.1"
+        },
+        "pip": {
+            "hashes": [
+                "sha256:1fcaa041308d01f14575f6d0d2ea4b75a3e2871fe4f9c694976f908768e14174",
+                "sha256:55eb67bb6171d37447e82213be585b75fe2b12b359e993773aca4de9247a052b"
             ],
             "markers": "python_version >= '3.7'",
-            "version": "==0.11.2"
+            "version": "==23.3.1"
+        },
+        "pip-api": {
+            "hashes": [
+                "sha256:2a0314bd31522eb9ffe8a99668b0d07fee34ebc537931e7b6483001dbedcbdc9",
+                "sha256:a05df2c7aa9b7157374bcf4273544201a0c7bae60a9c65bcf84f3959ef3896f3"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==0.0.30"
+        },
+        "pipreqs": {
+            "hashes": [
+                "sha256:a17f167880b6921be37533ce4c81ddc6e22b465c107aad557db43b1add56a99b",
+                "sha256:e522b9ed54aa3e8b7978ff251ab7a9af2f75d2cd8de4c102e881b666a79a308e"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==0.4.13"
         },
         "platformdirs": {
             "hashes": [
@@ -266,6 +337,17 @@
             "markers": "python_version >= '3.8'",
             "version": "==4.1.0"
         },
+        "plette": {
+            "extras": [
+                "validation"
+            ],
+            "hashes": [
+                "sha256:06b8c09eb90293ad0b8101cb5c95c4ea53e9b2b582901845d0904ff02d237454",
+                "sha256:42d68ce8c6b966874b68758d87d7f20fcff2eff0d861903eea1062126be4d98f"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==0.4.4"
+        },
         "pluggy": {
             "hashes": [
                 "sha256:cf61ae8f126ac6f7c451172cf30e3e43d3ca77615509771b3a984a0730651e12",
@@ -274,12 +356,132 @@
             "markers": "python_version >= '3.8'",
             "version": "==1.3.0"
         },
+        "pydantic": {
+            "hashes": [
+                "sha256:80c50fb8e3dcecfddae1adbcc00ec5822918490c99ab31f6cf6140ca1c1429f0",
+                "sha256:ff177ba64c6faf73d7afa2e8cad38fd456c0dbe01c9954e71038001cd15a6edd"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==2.5.2"
+        },
+        "pydantic-core": {
+            "hashes": [
+                "sha256:038c9f763e650712b899f983076ce783175397c848da04985658e7628cbe873b",
+                "sha256:074f3d86f081ce61414d2dc44901f4f83617329c6f3ab49d2bc6c96948b2c26b",
+                "sha256:079206491c435b60778cf2b0ee5fd645e61ffd6e70c47806c9ed51fc75af078d",
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+                "sha256:cb774298da62aea5c80a89bd58c40205ab4c2abf4834453b5de207d59d2e1651",
+                "sha256:ccd4d5702bb90b84df13bd491be8d900b92016c5a455b7e14630ad7449eb03f8",
+                "sha256:cf9d3fe53b1ee360e2421be95e62ca9b3296bf3f2fb2d3b83ca49ad3f925835e",
+                "sha256:d2ae91f50ccc5810b2f1b6b858257c9ad2e08da70bf890dee02de1775a387c66",
+                "sha256:d37f8ec982ead9ba0a22a996129594938138a1503237b87318392a48882d50b7",
+                "sha256:d81e6987b27bc7d101c8597e1cd2bcaa2fee5e8e0f356735c7ed34368c471550",
+                "sha256:dcf4e6d85614f7a4956c2de5a56531f44efb973d2fe4a444d7251df5d5c4dcfd",
+                "sha256:de790a3b5aa2124b8b78ae5faa033937a72da8efe74b9231698b5a1dd9be3405",
+                "sha256:e47e9a08bcc04d20975b6434cc50bf82665fbc751bcce739d04a3120428f3e27",
+                "sha256:e60f112ac88db9261ad3a52032ea46388378034f3279c643499edb982536a093",
+                "sha256:e87fc540c6cac7f29ede02e0f989d4233f88ad439c5cdee56f693cc9c1c78077",
+                "sha256:eac5c82fc632c599f4639a5886f96867ffced74458c7db61bc9a66ccb8ee3113",
+                "sha256:ebb4e035e28f49b6f1a7032920bb9a0c064aedbbabe52c543343d39341a5b2a3",
+                "sha256:ec1e72d6412f7126eb7b2e3bfca42b15e6e389e1bc88ea0069d0cc1742f477c6",
+                "sha256:ef98ca7d5995a82f43ec0ab39c4caf6a9b994cb0b53648ff61716370eadc43cf",
+                "sha256:f0cbc7fff06a90bbd875cc201f94ef0ee3929dfbd5c55a06674b60857b8b85ed",
+                "sha256:f4791cf0f8c3104ac668797d8c514afb3431bc3305f5638add0ba1a5a37e0d88",
+                "sha256:f5e412d717366e0677ef767eac93566582518fe8be923361a5c204c1a62eaafe",
+                "sha256:fb2ed8b3fe4bf4506d6dab3b93b83bbc22237e230cba03866d561c3577517d18",
+                "sha256:fe0a5a1025eb797752136ac8b4fa21aa891e3d74fd340f864ff982d649691867"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==2.14.5"
+        },
         "pylint": {
             "hashes": [
                 "sha256:0d4c286ef6d2f66c8bfb527a7f8a629009e42c99707dec821a03e1b51a4c1496",
                 "sha256:60ed5f3a9ff8b61839ff0348b3624ceeb9e6c2a92c514d81c9cc273da3b6bcda"
             ],
             "index": "pypi",
+            "markers": "python_full_version >= '3.8.0'",
             "version": "==3.0.2"
         },
         "pytest": {
@@ -288,16 +490,107 @@
                 "sha256:d989d136982de4e3b29dabcc838ad581c64e8ed52c11fbe86ddebd9da0818cd5"
             ],
             "index": "pypi",
+            "markers": "python_version >= '3.7'",
             "version": "==7.4.3"
         },
+        "pyyaml": {
+            "hashes": [
+                "sha256:04ac92ad1925b2cff1db0cfebffb6ffc43457495c9b3c39d3fcae417d7125dc5",
+                "sha256:062582fca9fabdd2c8b54a3ef1c978d786e0f6b3a1510e0ac93ef59e0ddae2bc",
+                "sha256:0d3304d8c0adc42be59c5f8a4d9e3d7379e6955ad754aa9d6ab7a398b59dd1df",
+                "sha256:1635fd110e8d85d55237ab316b5b011de701ea0f29d07611174a1b42f1444741",
+                "sha256:184c5108a2aca3c5b3d3bf9395d50893a7ab82a38004c8f61c258d4428e80206",
+                "sha256:18aeb1bf9a78867dc38b259769503436b7c72f7a1f1f4c93ff9a17de54319b27",
+                "sha256:1d4c7e777c441b20e32f52bd377e0c409713e8bb1386e1099c2415f26e479595",
+                "sha256:1e2722cc9fbb45d9b87631ac70924c11d3a401b2d7f410cc0e3bbf249f2dca62",
+                "sha256:1fe35611261b29bd1de0070f0b2f47cb6ff71fa6595c077e42bd0c419fa27b98",
+                "sha256:28c119d996beec18c05208a8bd78cbe4007878c6dd15091efb73a30e90539696",
+                "sha256:326c013efe8048858a6d312ddd31d56e468118ad4cdeda36c719bf5bb6192290",
+                "sha256:40df9b996c2b73138957fe23a16a4f0ba614f4c0efce1e9406a184b6d07fa3a9",
+                "sha256:42f8152b8dbc4fe7d96729ec2b99c7097d656dc1213a3229ca5383f973a5ed6d",
+                "sha256:49a183be227561de579b4a36efbb21b3eab9651dd81b1858589f796549873dd6",
+                "sha256:4fb147e7a67ef577a588a0e2c17b6db51dda102c71de36f8549b6816a96e1867",
+                "sha256:50550eb667afee136e9a77d6dc71ae76a44df8b3e51e41b77f6de2932bfe0f47",
+                "sha256:510c9deebc5c0225e8c96813043e62b680ba2f9c50a08d3724c7f28a747d1486",
+                "sha256:5773183b6446b2c99bb77e77595dd486303b4faab2b086e7b17bc6bef28865f6",
+                "sha256:596106435fa6ad000c2991a98fa58eeb8656ef2325d7e158344fb33864ed87e3",
+                "sha256:6965a7bc3cf88e5a1c3bd2e0b5c22f8d677dc88a455344035f03399034eb3007",
+                "sha256:69b023b2b4daa7548bcfbd4aa3da05b3a74b772db9e23b982788168117739938",
+                "sha256:6c22bec3fbe2524cde73d7ada88f6566758a8f7227bfbf93a408a9d86bcc12a0",
+                "sha256:704219a11b772aea0d8ecd7058d0082713c3562b4e271b849ad7dc4a5c90c13c",
+                "sha256:7e07cbde391ba96ab58e532ff4803f79c4129397514e1413a7dc761ccd755735",
+                "sha256:81e0b275a9ecc9c0c0c07b4b90ba548307583c125f54d5b6946cfee6360c733d",
+                "sha256:855fb52b0dc35af121542a76b9a84f8d1cd886ea97c84703eaa6d88e37a2ad28",
+                "sha256:8d4e9c88387b0f5c7d5f281e55304de64cf7f9c0021a3525bd3b1c542da3b0e4",
+                "sha256:9046c58c4395dff28dd494285c82ba00b546adfc7ef001486fbf0324bc174fba",
+                "sha256:9eb6caa9a297fc2c2fb8862bc5370d0303ddba53ba97e71f08023b6cd73d16a8",
+                "sha256:a0cd17c15d3bb3fa06978b4e8958dcdc6e0174ccea823003a106c7d4d7899ac5",
+                "sha256:afd7e57eddb1a54f0f1a974bc4391af8bcce0b444685d936840f125cf046d5bd",
+                "sha256:b1275ad35a5d18c62a7220633c913e1b42d44b46ee12554e5fd39c70a243d6a3",
+                "sha256:b786eecbdf8499b9ca1d697215862083bd6d2a99965554781d0d8d1ad31e13a0",
+                "sha256:ba336e390cd8e4d1739f42dfe9bb83a3cc2e80f567d8805e11b46f4a943f5515",
+                "sha256:baa90d3f661d43131ca170712d903e6295d1f7a0f595074f151c0aed377c9b9c",
+                "sha256:bc1bf2925a1ecd43da378f4db9e4f799775d6367bdb94671027b73b393a7c42c",
+                "sha256:bd4af7373a854424dabd882decdc5579653d7868b8fb26dc7d0e99f823aa5924",
+                "sha256:bf07ee2fef7014951eeb99f56f39c9bb4af143d8aa3c21b1677805985307da34",
+                "sha256:bfdf460b1736c775f2ba9f6a92bca30bc2095067b8a9d77876d1fad6cc3b4a43",
+                "sha256:c8098ddcc2a85b61647b2590f825f3db38891662cfc2fc776415143f599bb859",
+                "sha256:d2b04aac4d386b172d5b9692e2d2da8de7bfb6c387fa4f801fbf6fb2e6ba4673",
+                "sha256:d483d2cdf104e7c9fa60c544d92981f12ad66a457afae824d146093b8c294c54",
+                "sha256:d858aa552c999bc8a8d57426ed01e40bef403cd8ccdd0fc5f6f04a00414cac2a",
+                "sha256:e7d73685e87afe9f3b36c799222440d6cf362062f78be1013661b00c5c6f678b",
+                "sha256:f003ed9ad21d6a4713f0a9b5a7a0a79e08dd0f221aff4525a2be4c346ee60aab",
+                "sha256:f22ac1c3cac4dbc50079e965eba2c1058622631e526bd9afd45fedd49ba781fa",
+                "sha256:faca3bdcf85b2fc05d06ff3fbc1f83e1391b3e724afa3feba7d13eeab355484c",
+                "sha256:fca0e3a251908a499833aa292323f32437106001d436eca0e6e7833256674585",
+                "sha256:fd1592b3fdf65fff2ad0004b5e363300ef59ced41c2e6b3a99d4089fa8c5435d",
+                "sha256:fd66fc5d0da6d9815ba2cebeb4205f95818ff4b79c3ebe268e75d961704af52f"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==6.0.1"
+        },
         "requests": {
             "hashes": [
                 "sha256:58cd2187c01e70e6e26505bca751777aa9f2ee0b7f4300988b709f44e013003f",
                 "sha256:942c5a758f98d790eaed1a29cb6eefc7ffb0d1cf7af05c3d2791656dbd6ad1e1"
             ],
             "index": "pypi",
+            "markers": "python_version >= '3.7'",
             "version": "==2.31.0"
         },
+        "requirementslib": {
+            "hashes": [
+                "sha256:28f8e0b1c38b34ae06de68ef115b03bbcdcdb99f9e9393333ff06ded443e3f24",
+                "sha256:67b42903d7c32f89c7047d1020c619d37cb515c475a4ae6f4e5683e1c56d7bf7"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==3.0.0"
+        },
+        "responses": {
+            "hashes": [
+                "sha256:a2b43f4c08bfb9c9bd242568328c65a34b318741d3fab884ac843c5ceeb543f9",
+                "sha256:b127c6ca3f8df0eb9cc82fd93109a3007a86acb24871834c47b77765152ecf8c"
+            ],
+            "index": "pypi",
+            "markers": "python_version >= '3.8'",
+            "version": "==0.24.1"
+        },
+        "setuptools": {
+            "hashes": [
+                "sha256:1e8fdff6797d3865f37397be788a4e3cba233608e9b509382a2777d25ebde7f2",
+                "sha256:735896e78a4742605974de002ac60562d286fa8051a7e2299445e8e8fbb01aa6"
+            ],
+            "markers": "python_version >= '3.8'",
+            "version": "==69.0.2"
+        },
+        "tomli": {
+            "hashes": [
+                "sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc",
+                "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"
+            ],
+            "markers": "python_version < '3.11'",
+            "version": "==2.0.1"
+        },
         "tomlkit": {
             "hashes": [
                 "sha256:75baf5012d06501f07bee5bf8e801b9f343e7aac5a92581f20f80ce632e6b5a4",
@@ -308,11 +601,11 @@
         },
         "typing-extensions": {
             "hashes": [
-                "sha256:8f92fc8806f9a6b641eaa5318da32b44d401efaac0f6678c9bc448ba3605faa0",
-                "sha256:df8e4339e9cb77357558cbdbceca33c303714cf861d1eef15e1070055ae8b7ef"
+                "sha256:23478f88c37f27d76ac8aee6c905017a143b0b1b886c3c9f66bc2fd94f9f5783",
+                "sha256:af72aea155e91adfc61c3ae9e0e342dbc0cba726d6cba4b6c72c1f34e47291cd"
             ],
-            "markers": "python_version >= '3.8'",
-            "version": "==4.8.0"
+            "markers": "python_version < '3.11'",
+            "version": "==4.9.0"
         },
         "urllib3": {
             "hashes": [
@@ -321,7 +614,64 @@
             ],
             "markers": "python_version >= '3.8'",
             "version": "==2.1.0"
+        },
+        "yarg": {
+            "hashes": [
+                "sha256:4f9cebdc00fac946c9bf2783d634e538a71c7d280a4d806d45fd4dc0ef441492",
+                "sha256:55695bf4d1e3e7f756496c36a69ba32c40d18f821e38f61d028f6049e5e15911"
+            ],
+            "version": "==0.1.9"
         }
     },
-    "develop": {}
+    "develop": {
+        "exceptiongroup": {
+            "hashes": [
+                "sha256:4bfd3996ac73b41e9b9628b04e079f193850720ea5945fc96a08633c66912f14",
+                "sha256:91f5c769735f051a4290d52edd0858999b57e5876e9f85937691bd4c9fa3ed68"
+            ],
+            "markers": "python_version < '3.11'",
+            "version": "==1.2.0"
+        },
+        "iniconfig": {
+            "hashes": [
+                "sha256:2d91e135bf72d31a410b17c16da610a82cb55f6b0477d1a902134b24a455b8b3",
+                "sha256:b6a85871a79d2e3b22d2d1b94ac2824226a63c6b741c88f7ae975f18b6778374"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==2.0.0"
+        },
+        "packaging": {
+            "hashes": [
+                "sha256:048fb0e9405036518eaaf48a55953c750c11e1a1b68e0dd1a9d62ed0c092cfc5",
+                "sha256:8c491190033a9af7e1d931d0b5dacc2ef47509b34dd0de67ed209b5203fc88c7"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==23.2"
+        },
+        "pluggy": {
+            "hashes": [
+                "sha256:cf61ae8f126ac6f7c451172cf30e3e43d3ca77615509771b3a984a0730651e12",
+                "sha256:d89c696a773f8bd377d18e5ecda92b7a3793cbe66c87060a6fb58c7b6e1061f7"
+            ],
+            "markers": "python_version >= '3.8'",
+            "version": "==1.3.0"
+        },
+        "pytest": {
+            "hashes": [
+                "sha256:0d009c083ea859a71b76adf7c1d502e4bc170b80a8ef002da5806527b9591fac",
+                "sha256:d989d136982de4e3b29dabcc838ad581c64e8ed52c11fbe86ddebd9da0818cd5"
+            ],
+            "index": "pypi",
+            "markers": "python_version >= '3.7'",
+            "version": "==7.4.3"
+        },
+        "tomli": {
+            "hashes": [
+                "sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc",
+                "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"
+            ],
+            "markers": "python_version < '3.11'",
+            "version": "==2.0.1"
+        }
+    }
 }
diff --git a/compose_generator/odcs_compose_generator.py b/compose_generator/odcs_compose_generator.py
index 4b0179d..b569cd9 100644
--- a/compose_generator/odcs_compose_generator.py
+++ b/compose_generator/odcs_compose_generator.py
@@ -1,6 +1,8 @@
 #!/usr/bin/env python3
 
 """Initialize and use a compose generator using ODCS"""
+import tempfile
+from pathlib import Path
 
 from .compose_generator import ComposeGenerator
 from .odcs_configurations_generator import ODCSConfigurationsGenerator
@@ -23,7 +25,7 @@ def main():
             content_sets_data=content_sets_data,
         ),
         requestor=ODCSRequester(),
-        fetcher=ODCSFetcher(),
+        fetcher=ODCSFetcher(Path(tempfile.mkdtemp()) / "odcs-0000000.repo"),
     )
     compose_generator()
 
diff --git a/compose_generator/odcs_fetcher.py b/compose_generator/odcs_fetcher.py
index 51307a3..5072498 100644
--- a/compose_generator/odcs_fetcher.py
+++ b/compose_generator/odcs_fetcher.py
@@ -2,6 +2,9 @@
 from dataclasses import dataclass
 from pathlib import Path
 
+import requests
+
+from .odcs_requester import ODCSRequestReference
 from .protocols import ComposeFetcher, ComposeReference
 
 
@@ -11,14 +14,37 @@ class ODCSResultReference(ComposeReference):
     Reference to a locally-stored compose result
     """
 
-    compose_path: Path
+    compose_file_path: Path
 
 
 @dataclass(frozen=True)
 class ODCSFetcher(ComposeFetcher):
     """
     Fetch ODCS compose based on a remote compose-reference and store it locally
+
+    :param compose_file_path: The Desired path for the compose file.
+                              must include the full path to the file as
+                              well as the file's name.
     """
 
+    compose_file_path: Path
+
     def __call__(self, request_reference: ComposeReference) -> ODCSResultReference:
-        raise NotImplementedError()
+        """
+        Fetch the 'ODCS compose' from a remote reference.
+
+        :param request_reference: An object containing the url reference for the
+                                  ODCS compose file.
+
+        :raises HTTPError: If the request for the ODCS compose file failed.
+        :return: The filesystem path to the downloaded ODCS compose file.
+        """
+        assert isinstance(request_reference, ODCSRequestReference)
+        response = requests.get(request_reference.compose_url, timeout=10)
+        response.raise_for_status()
+
+        self.compose_file_path.parent.mkdir(parents=True, exist_ok=True)
+        with open(self.compose_file_path, "w+b") as file:
+            file.write(response.content)
+        ocds_result_ref = ODCSResultReference(compose_file_path=self.compose_file_path)
+        return ocds_result_ref
diff --git a/tests/test_odcs_fetcher.py b/tests/test_odcs_fetcher.py
new file mode 100644
index 0000000..719ae94
--- /dev/null
+++ b/tests/test_odcs_fetcher.py
@@ -0,0 +1,38 @@
+"""test_odcs_fetcher.py - test odcs_fetcher"""
+from pathlib import Path
+
+import responses
+
+from compose_generator.odcs_fetcher import ODCSFetcher
+from compose_generator.odcs_requester import ODCSRequestReference
+
+
+def test_odcs_fetcher(tmp_path: Path) -> None:
+    """test ODCSFetcher.__call__"""
+    expected_content = b"""
+    [odcs-2222222]
+    name=ODCS repository for compose odcs-2222222
+    baseurl=http://download.eng.bos.redhat.com/odcs/prod/odcs-2222222/compose/Temporary/$basearch/os
+    type=rpm-md
+    skip_if_unavailable=False
+    gpgcheck=0
+    repo_gpgcheck=0
+    enabled=1
+    enabled_metadata=1
+    """
+    mock_compose_url = (
+        "http://download.eng.bos.redhat.com/odcs/prod/odcs-222222"
+        "/compose/Temporary/odcs-2222222.repo"
+    )
+    ocds_ref = ODCSRequestReference(compose_url=mock_compose_url)
+
+    compose_path = tmp_path / "downloaded_file_dir" / "odcs-2222222.repo"
+    ocds_fetcher = ODCSFetcher(compose_file_path=compose_path)
+
+    with responses.RequestsMock() as rsps:
+        rsps.add(responses.GET, mock_compose_url, body=expected_content)
+        ocds_result_ref = ocds_fetcher(request_reference=ocds_ref)
+
+    assert ocds_result_ref.compose_file_path.exists()
+    ocds_result_ref_content = ocds_result_ref.compose_file_path.read_bytes()
+    assert ocds_result_ref_content == expected_content