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automatically generate list of recent releases
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| import json | ||
| import logging | ||
| import re | ||
| from typing import List | ||
| import urllib.error | ||
| import urllib.request | ||
|
|
||
| LOG = logging.getLogger(__name__) | ||
|
|
||
| SNAP_NAME = "k8s" | ||
|
|
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| # For Snap Store API request | ||
| SNAPSTORE_API = "https://api.snapcraft.io/v2/snaps/info/" | ||
| SNAPSTORE_HEADERS = { | ||
| "Snap-Device-Series": "16", | ||
| "User-Agent": "Mozilla/5.0", | ||
| } | ||
| RISK_LEVELS = ["stable", "candidate", "beta", "edge"] | ||
|
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||
|
|
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| def get_snap_info(snap_name=SNAP_NAME): | ||
| """Get the snap info from the Snap Store API.""" | ||
| req = urllib.request.Request(SNAPSTORE_API + snap_name, headers=SNAPSTORE_HEADERS) | ||
| try: | ||
| with urllib.request.urlopen(req) as response: # nosec | ||
| return json.loads(response.read().decode()) | ||
| except urllib.error.HTTPError as e: | ||
| LOG.exception("HTTPError ({%s}): {%s} {%s}", req.full_url, e.code, e.reason) | ||
| raise | ||
| except urllib.error.URLError as e: | ||
| LOG.exception("URLError ({%s}): {%s}", req.full_url, e.reason) | ||
| raise | ||
|
|
||
|
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| def get_latest_channels( | ||
| num_of_channels: int, flavor: str, include_latest=True | ||
| ) -> List[str]: | ||
| """Get an ascending list of latest channels based on the number of channels and flavour. | ||
| e.g. get_latest_release_channels(3, "classic") -> ['1.31-classic/candidate', '1.30-classic/candidate'] | ||
| if there are less than num_of_channels available, return all available channels. | ||
| Only the most stable risk level is returned for each major.minor version. | ||
| By default, the `latest/edge/<flavor>` channel is included in the list. | ||
| """ | ||
| snap_info = get_snap_info() | ||
|
|
||
| # Extract channel information | ||
| channels = snap_info.get("channel-map", []) | ||
| available_channels = [ch["channel"]["name"] for ch in channels] | ||
|
|
||
| # Define regex pattern to match channels in the format 'major.minor-flavour' | ||
| if flavor == "strict": | ||
| pattern = re.compile(r"(\d+)\.(\d+)\/(" + "|".join(RISK_LEVELS) + ")") | ||
| else: | ||
| pattern = re.compile( | ||
| r"(\d+)\.(\d+)-" + re.escape(flavor) + r"\/(" + "|".join(RISK_LEVELS) + ")" | ||
| ) | ||
|
|
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| # Dictionary to store the highest risk level for each major.minor | ||
| channel_map = {} | ||
|
|
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| for channel in available_channels: | ||
| match = pattern.match(channel) | ||
| if match: | ||
| major, minor, risk = match.groups() | ||
| major_minor = (int(major), int(minor)) | ||
|
|
||
| # Store only the highest risk level channel for each major.minor | ||
| if major_minor not in channel_map or RISK_LEVELS.index( | ||
| risk | ||
| ) < RISK_LEVELS.index(channel_map[major_minor][1]): | ||
| channel_map[major_minor] = (channel, risk) | ||
|
|
||
| # Sort channels by major and minor version in descending order | ||
| sorted_channels = sorted(channel_map.keys(), reverse=False) | ||
|
|
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| # Prepare final channel list | ||
| final_channels = [channel_map[mm][0] for mm in sorted_channels[:num_of_channels]] | ||
|
|
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| if include_latest: | ||
| latest_channel = f"latest/edge/{flavor}" | ||
| final_channels.append(latest_channel) | ||
|
|
||
| return final_channels |
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