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Use UTC in filenames per default

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This adresses bug #69.
All fields in the filename pattern that should be replaced by a date
encoding string (excluding {post.date_local}) are now evaluated using
UTC while ensuring that the replacing string indicates the use of UTC.
This commit is contained in:
André Koch-Kramer 2018-01-10 22:26:49 +01:00
parent 1ca368fa45
commit 3654d6bf6d
1 changed files with 20 additions and 17 deletions
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37
instaloader.py
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@ -267,7 +267,7 @@ class Post:
return int(self._field('owner', 'id'))
@property
def date(self) -> datetime:
def date_local(self) -> datetime:
"""Timestamp when the post was created (local time zone)."""
return datetime.fromtimestamp(self._node["date"] if "date" in self._node else self._node["taken_at_timestamp"])
@ -436,11 +436,14 @@ class Instaloader:
self.quiet = quiet
self.dirname_pattern = dirname_pattern if dirname_pattern is not None else '{target}'
if filename_pattern is not None:
filename_pattern = re.sub(r"(\{(?:post\.)?date)([:}])", r"\1_utc\2", filename_pattern)
filename_pattern = re.sub(r"(?i)(\{(date|date_utc|post.date_utc):(?![^}]*UTC[^}]*).*?)}",
r"\1_UTC}", filename_pattern)
self.filename_pattern = filename_pattern \
.replace('{date}', '{date:%Y-%m-%d_%H-%M-%S}') \
.replace('{date}', '{date_utc}') \
.replace('{date_utc}', '{date_utc:%Y-%m-%d_%H-%M-%S_UTC}')
else:
self.filename_pattern = '{date:%Y-%m-%d_%H-%M-%S}'
self.filename_pattern = '{date_utc:%Y-%m-%d_%H-%M-%S_UTC}'
self.download_videos = download_videos
self.download_video_thumbnails = download_video_thumbnails
self.download_geotags = download_geotags
@ -916,7 +919,7 @@ class Instaloader:
profilename = post.owner_username if needs_profilename else None
dirname = self.dirname_pattern.format(profile=profilename, target=target.lower())
filename = dirname + '/' + self.filename_pattern.format(profile=profilename, target=target.lower(),
date=post.date, date_utc=post.date_utc,
date_utc=post.date_utc,
shortcode=post.shortcode,
post=post)
os.makedirs(os.path.dirname(filename), exist_ok=True)
@ -930,39 +933,39 @@ class Instaloader:
if not edge['node']['is_video'] or self.download_video_thumbnails is Tristate.always:
downloaded |= self.download_pic(filename=filename,
url=edge['node']['display_url'],
mtime=post.date,
mtime=post.date_local,
filename_suffix=str(edge_number))
# Additionally download video if available and desired
if edge['node']['is_video'] and self.download_videos is Tristate.always:
downloaded |= self.download_pic(filename=filename,
url=edge['node']['video_url'],
mtime=post.date,
mtime=post.date_local,
filename_suffix=str(edge_number))
edge_number += 1
elif post.typename == 'GraphImage':
downloaded = self.download_pic(filename=filename, url=post.url, mtime=post.date)
downloaded = self.download_pic(filename=filename, url=post.url, mtime=post.date_local)
elif post.typename == 'GraphVideo':
if self.download_video_thumbnails is Tristate.always:
downloaded = self.download_pic(filename=filename, url=post.url, mtime=post.date)
downloaded = self.download_pic(filename=filename, url=post.url, mtime=post.date_local)
else:
self.error("Warning: {0} has unknown typename: {1}".format(post, post.typename))
# Save caption if desired
if self.save_captions is not Tristate.never:
if post.caption:
self.save_caption(filename, post.date, post.caption)
self.save_caption(filename, post.date_local, post.caption)
else:
self._log("<no caption>", end=' ', flush=True)
# Download video if desired
if post.is_video and self.download_videos is Tristate.always:
downloaded |= self.download_pic(filename=filename, url=post.video_url, mtime=post.date)
downloaded |= self.download_pic(filename=filename, url=post.video_url, mtime=post.date_local)
# Download geotags if desired
if self.download_geotags is Tristate.always:
location = post.get_location()
if location:
self.save_location(filename, location, post.date)
self.save_location(filename, location, post.date_local)
# Update comments if desired
if self.download_comments is Tristate.always:
@ -1057,11 +1060,11 @@ class Instaloader:
"""
shortcode = item["code"] if "code" in item else "no_code"
date = datetime.fromtimestamp(item["taken_at"])
date_local = datetime.fromtimestamp(item["taken_at"])
date_utc = datetime.utcfromtimestamp(item["taken_at"])
dirname = self.dirname_pattern.format(profile=profile, target=target)
filename = dirname + '/' + self.filename_pattern.format(profile=profile, target=target,
date=date, date_utc=date_utc,
date_utc=date_utc,
shortcode=shortcode)
os.makedirs(os.path.dirname(filename), exist_ok=True)
downloaded = False
@ -1070,7 +1073,7 @@ class Instaloader:
url = item["image_versions2"]["candidates"][0]["url"]
downloaded = self.download_pic(filename=filename,
url=url,
mtime=date)
mtime=date_local)
else:
self._log("Warning: Unable to find story image.")
if "caption" in item and item["caption"] is not None and \
@ -1078,17 +1081,17 @@ class Instaloader:
caption = item["caption"]
if isinstance(caption, dict) and "text" in caption:
caption = caption["text"]
self.save_caption(filename, date, caption)
self.save_caption(filename, date_local, caption)
else:
self._log("<no caption>", end=' ', flush=True)
if "video_versions" in item and self.download_videos is Tristate.always:
downloaded |= self.download_pic(filename=filename,
url=item["video_versions"][0]["url"],
mtime=date)
mtime=date_local)
if item["story_locations"] and self.download_geotags is not Tristate.never:
location = item["story_locations"][0]["location"]
if location:
self.save_location(filename, location, date)
self.save_location(filename, location, date_local)
self._log()
return downloaded