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import urllib.request

from io import BytesIO

import os

from pathlib import Path

def download_or_cache(url, version):

"""

Get bytes from the given url or local cache.

Parameters

----------

url : str

The url to download.

sha : str

The sha256 of the file.

Returns

-------

BytesIO

The file loaded into memory.

"""

cache_dir = _get_xdg_cache_dir()

if cache_dir is not None: # Try to read from cache.

try:

data = (cache_dir / version).read_bytes()

except OSError:

pass

else:

return BytesIO(data)

with urllib.request.urlopen(

urllib.request.Request(url, headers={"User-Agent": ""})

) as req:

data = req.read()

if cache_dir is not None: # Try to cache the downloaded file.

try:

cache_dir.mkdir(parents=True, exist_ok=True)

with open(cache_dir / version, "xb") as fout:

fout.write(data)

except OSError:

pass

return BytesIO(data)

def _get_xdg_cache_dir():

"""

Return the XDG cache directory.

See

https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html

"""

cache_dir = os.environ.get("XDG_CACHE_HOME")

if not cache_dir:

cache_dir = os.path.expanduser("~/.cache")

if cache_dir.startswith("~/"): # Expansion failed.

return None

return Path(cache_dir, "matplotlib")

if __name__ == "__main__":

data = {

"v3.10.9": "19716234",

"v3.10.8": "17595503",

"v3.10.7": "17298696",

"v3.10.6": "16999430",

"v3.10.5": "16644850",

"v3.10.3": "15375714",

"v3.10.1": "14940554",

"v3.10.0": "14464227",

"v3.9.4": "14436121",

"v3.9.3": "14249941",

"v3.9.2": "13308876",

"v3.9.1": "12652732",

"v3.9.0": "11201097",

"v3.8.4": "10916799",

"v3.8.3": "10661079",

"v3.8.2": "10150955",

"v3.8.1": "10059757",

"v3.8.0": "8347255",

"v3.7.3": "8336761",

"v3.7.2": "8118151",

"v3.7.1": "7697899",

"v3.7.0": "7637593",

"v3.6.3": "7527665",

"v3.6.2": "7275322",

"v3.6.1": "7162185",

"v3.6.0": "7084615",

"v3.5.3": "6982547",

"v3.5.2": "6513224",

"v3.5.1": "5773480",

"v3.5.0": "5706396",

"v3.4.3": "5194481",

"v3.4.2": "4743323",

"v3.4.1": "4649959",

"v3.4.0": "4638398",

"v3.3.4": "4475376",

"v3.3.3": "4268928",

"v3.3.2": "4030140",

"v3.3.1": "3984190",

"v3.3.0": "3948793",

"v3.2.2": "3898017",

"v3.2.1": "3714460",

"v3.2.0": "3695547",

"v3.1.3": "3633844",

"v3.1.2": "3563226",

"v3.1.1": "3264781",

"v3.1.0": "2893252",

"v3.0.3": "2577644",

"v3.0.2": "1482099",

"v3.0.1": "1482098",

"v2.2.5": "3633833",

"v3.0.0": "1420605",

"v2.2.4": "2669103",

"v2.2.3": "1343133",

"v2.2.2": "1202077",

"v2.2.1": "1202050",

"v2.2.0": "1189358",

"v2.1.2": "1154287",

"v2.1.1": "1098480",

"v2.1.0": "1004650",

"v2.0.2": "573577",

"v2.0.1": "570311",

"v2.0.0": "248351",

"v1.5.3": "61948",

"v1.5.2": "56926",

"v1.5.1": "44579",

"v1.5.0": "32914",

"v1.4.3": "15423",

"v1.4.2": "12400",

"v1.4.1": "12287",

"v1.4.0": "11451",

}

doc_dir = Path(__file__).parent.parent.absolute() / "doc"

target_dir = doc_dir / "_static/zenodo_cache"

citing = doc_dir / "project/citing.rst"

target_dir.mkdir(exist_ok=True, parents=True)

header = []

footer = []

with open(citing) as fin:

target = header

for ln in fin:

if target is not None:

target.append(ln.rstrip())

if ln.strip() == ".. START OF AUTOGENERATED":

target.extend(["", ""])

target = None

if ln.strip() == ".. END OF AUTOGENERATED":

target = footer

target.append(ln.rstrip())

with open(citing, "w") as fout:

fout.write("\n".join(header))

for version, doi in data.items():

svg_path = target_dir / f"{doi}.svg"

if not svg_path.exists():

url = f"https://zenodo.org/badge/doi/10.5281/zenodo.{doi}.svg"

payload = download_or_cache(url, f"{doi}.svg")

with open(svg_path, "xb") as svgout:

svgout.write(payload.read())

fout.write(

f"""

{version}

.. image:: ../_static/zenodo_cache/{doi}.svg

:target: https://doi.org/10.5281/zenodo.{doi}"""

)

fout.write("\n\n")

fout.write("\n".join(footer))

fout.write("\n")

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