def png_snippet(id):
"""
Show image (png) with highlighted code of snippet.
"""
api_url = api_url_for("api.get_snippet_by_id", id=id)
response, body = g.h.request(api_url, "GET")
if response.status == 200:
snippet = json.loads(body)
# highlight snippet as plain text if ``language`` isn't specified
language = snippet.get("language", "text")
if language is None:
language = "text"
lexer = get_lexer_by_name(language, stripall=True)
formatter = ImageFormatter(font_name="Ubuntu Mono")
png = highlight(snippet["content"], lexer, formatter)
return png, 200, {"Content-Type": "image/png"}
elif response.status == 404:
abort(404)
else:
abort(500)
def raw_snippet(id):
api_url = api_url_for("api.get_snippet_by_id", id=id)
response, body = g.h.request(api_url, "GET")
if response.status == 200:
snippet = json.loads(body)
headers = {"Content-Type": "text/plain; charset=utf-8"}
return snippet["content"], 200, headers
elif response.status == 404:
abort(404)
else:
abort(500)
def download_snippet(id):
api_url = api_url_for("api.get_snippet_by_id", id=id)
response, body = g.h.request(api_url, "GET")
if response.status == 200:
snippet = json.loads(body)
attachment = "attachment; filename='{0}{1}'".format(
snippet["id"],
ext_by_short_name(snippet.get("language", "text"))
)
headers = {"Content-Type": "text/plain; charset=utf-8",
"Content-Disposition": attachment}
return snippet["content"], 200, headers
elif response.status == 404:
abort(404)
else:
abort(500)
def recent_snippets():
filters = {}
if "author" in request.args:
filters["author"] = r"^{0}$".format(request.args["author"])
if "language" in request.args:
filters["language"] = request.args["language"]
if "tag" in request.args:
filters["tag"] = request.args["tag"]
api_url = api_url_for("api.get_snippets", **filters)
response, body = g.h.request(api_url, "GET")
if response.status == 200:
snippets = json.loads(body)
return render_template("recent_snippets.html", snippets=snippets)
elif response.status == 404:
abort(404)
else:
abort(500)
def show_snippet(id):
api_url = api_url_for("api.get_snippet_by_id", id=id)
response, body = g.h.request(api_url, "GET")
if response.status == 200:
snippet = json.loads(body)
# highlight snippet as plain text if ``language`` isn't specified
language = snippet.get("language", "text")
if language is None:
language = "text"
lexer = get_lexer_by_name(language, stripall=True)
formatter = HtmlFormatter(linenos="table")
snippet["content"] = highlight(snippet["content"], lexer, formatter)
return render_template("show_snippet.html", snippet=snippet)
elif response.status == 404:
abort(404)
else:
abort(500)
def new_snippet():
"""
Create a new snippet entry
:query title: the snippet title
:query author: the snippet author's name
:query content: the snippet body (**MUST NOT** be empty)
:query language: the language name the snippet is written in (for syntax highlighting)
:query tags: the list of text tags (separated by commas) which are associated with the snippet
:statuscode 201: the snippet has been created successfully. The ``id`` of the snippet
is returned in the response body
:statuscode 400: bad request (some request parameters might be missing or incorrect)
:statuscode 500: internal server error
"""
snippet = {
"language": request.form.get("language"),
"content": request.form.get("content"),
"author": request.form.get("author"),
"title": request.form.get("title"),
"created": datetime.datetime.now(),
"tags": [],
}
# parse string with tags
tags = request.form.get("tags")
if tags:
snippet["tags"] = [tag.lstrip() for tag in tags.split(',')]
# save snippet if content isn't empty
if snippet["content"]:
id = current_app.db.snippets.insert(snippet)
response = make_response(jsonify(id=id), 201)
response.headers["Location"] = api_url_for("api.get_snippet_by_id", id=id)
return response
else:
return jsonify(error="The snippet content is empty"), 400
def new_snippet():
api_url = api_url_for("api.new_snippet")
# check for spam-bots filling all form fields
if request.form.get("email", ""):
abort(400)
data = {
"title": request.form.get("title"),
"tags": request.form.get("tags"),
}
if not request.files:
data["language"] = request.form.get("language", "text")
data["content"] = request.form.get("content")
else:
filename, ext = os.path.splitext(request.files["file"].filename)
data["language"] = short_name_by_ext(ext)
data["content"] = request.files["file"].read()
if not data["title"]:
data["title"] = filename
response, body = g.h.request(
api_url,
"POST",
urlencode(data),
headers={"Content-Type": "application/x-www-form-urlencoded"}
)
if response.status == 201:
content = json.loads(body)
return redirect(abs_url_for(".show_snippet", id=content["id"]))
elif response.status == 400:
abort(400) # 400 BAD REQUEST
else:
abort(500)
